(function(l, i, v, e) { v = l.createElement(i); v.async = 1; v.src = '//' + (location.host || 'localhost').split(':')[0] + ':35729/livereload.js?snipver=1'; e = l.getElementsByTagName(i)[0]; e.parentNode.insertBefore(v, e)})(document, 'script');
var app = (function () {
    'use strict';

    function noop() { }
    function assign(tar, src) {
        // @ts-ignore
        for (const k in src)
            tar[k] = src[k];
        return tar;
    }
    function is_promise(value) {
        return value && typeof value === 'object' && typeof value.then === 'function';
    }
    function add_location(element, file, line, column, char) {
        element.__svelte_meta = {
            loc: { file, line, column, char }
        };
    }
    function run(fn) {
        return fn();
    }
    function blank_object() {
        return Object.create(null);
    }
    function run_all(fns) {
        fns.forEach(run);
    }
    function is_function(thing) {
        return typeof thing === 'function';
    }
    function safe_not_equal(a, b) {
        return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
    }
    function create_slot(definition, ctx, fn) {
        if (definition) {
            const slot_ctx = get_slot_context(definition, ctx, fn);
            return definition[0](slot_ctx);
        }
    }
    function get_slot_context(definition, ctx, fn) {
        return definition[1]
            ? assign({}, assign(ctx.$$scope.ctx, definition[1](fn ? fn(ctx) : {})))
            : ctx.$$scope.ctx;
    }
    function get_slot_changes(definition, ctx, changed, fn) {
        return definition[1]
            ? assign({}, assign(ctx.$$scope.changed || {}, definition[1](fn ? fn(changed) : {})))
            : ctx.$$scope.changed || {};
    }
    function null_to_empty(value) {
        return value == null ? '' : value;
    }

    function append(target, node) {
        target.appendChild(node);
    }
    function insert(target, node, anchor) {
        target.insertBefore(node, anchor || null);
    }
    function detach(node) {
        node.parentNode.removeChild(node);
    }
    function destroy_each(iterations, detaching) {
        for (let i = 0; i < iterations.length; i += 1) {
            if (iterations[i])
                iterations[i].d(detaching);
        }
    }
    function element(name) {
        return document.createElement(name);
    }
    function svg_element(name) {
        return document.createElementNS('http://www.w3.org/2000/svg', name);
    }
    function text(data) {
        return document.createTextNode(data);
    }
    function space() {
        return text(' ');
    }
    function empty() {
        return text('');
    }
    function listen(node, event, handler, options) {
        node.addEventListener(event, handler, options);
        return () => node.removeEventListener(event, handler, options);
    }
    function attr(node, attribute, value) {
        if (value == null)
            node.removeAttribute(attribute);
        else
            node.setAttribute(attribute, value);
    }
    function children(element) {
        return Array.from(element.childNodes);
    }
    function claim_element(nodes, name, attributes, svg) {
        for (let i = 0; i < nodes.length; i += 1) {
            const node = nodes[i];
            if (node.nodeName === name) {
                for (let j = 0; j < node.attributes.length; j += 1) {
                    const attribute = node.attributes[j];
                    if (!attributes[attribute.name])
                        node.removeAttribute(attribute.name);
                }
                return nodes.splice(i, 1)[0]; // TODO strip unwanted attributes
            }
        }
        return svg ? svg_element(name) : element(name);
    }
    function claim_text(nodes, data) {
        for (let i = 0; i < nodes.length; i += 1) {
            const node = nodes[i];
            if (node.nodeType === 3) {
                node.data = '' + data;
                return nodes.splice(i, 1)[0];
            }
        }
        return text(data);
    }
    function claim_space(nodes) {
        return claim_text(nodes, ' ');
    }
    function set_input_value(input, value) {
        if (value != null || input.value) {
            input.value = value;
        }
    }
    function set_style(node, key, value, important) {
        node.style.setProperty(key, value, important ? 'important' : '');
    }
    function toggle_class(element, name, toggle) {
        element.classList[toggle ? 'add' : 'remove'](name);
    }
    function custom_event(type, detail) {
        const e = document.createEvent('CustomEvent');
        e.initCustomEvent(type, false, false, detail);
        return e;
    }

    let current_component;
    function set_current_component(component) {
        current_component = component;
    }
    function get_current_component() {
        if (!current_component)
            throw new Error(`Function called outside component initialization`);
        return current_component;
    }

    const dirty_components = [];
    const binding_callbacks = [];
    const render_callbacks = [];
    const flush_callbacks = [];
    const resolved_promise = Promise.resolve();
    let update_scheduled = false;
    function schedule_update() {
        if (!update_scheduled) {
            update_scheduled = true;
            resolved_promise.then(flush);
        }
    }
    function add_render_callback(fn) {
        render_callbacks.push(fn);
    }
    function flush() {
        const seen_callbacks = new Set();
        do {
            // first, call beforeUpdate functions
            // and update components
            while (dirty_components.length) {
                const component = dirty_components.shift();
                set_current_component(component);
                update(component.$$);
            }
            while (binding_callbacks.length)
                binding_callbacks.pop()();
            // then, once components are updated, call
            // afterUpdate functions. This may cause
            // subsequent updates...
            for (let i = 0; i < render_callbacks.length; i += 1) {
                const callback = render_callbacks[i];
                if (!seen_callbacks.has(callback)) {
                    callback();
                    // ...so guard against infinite loops
                    seen_callbacks.add(callback);
                }
            }
            render_callbacks.length = 0;
        } while (dirty_components.length);
        while (flush_callbacks.length) {
            flush_callbacks.pop()();
        }
        update_scheduled = false;
    }
    function update($$) {
        if ($$.fragment) {
            $$.update($$.dirty);
            run_all($$.before_update);
            $$.fragment.p($$.dirty, $$.ctx);
            $$.dirty = null;
            $$.after_update.forEach(add_render_callback);
        }
    }
    const outroing = new Set();
    let outros;
    function group_outros() {
        outros = {
            r: 0,
            c: [],
            p: outros // parent group
        };
    }
    function check_outros() {
        if (!outros.r) {
            run_all(outros.c);
        }
        outros = outros.p;
    }
    function transition_in(block, local) {
        if (block && block.i) {
            outroing.delete(block);
            block.i(local);
        }
    }
    function transition_out(block, local, detach, callback) {
        if (block && block.o) {
            if (outroing.has(block))
                return;
            outroing.add(block);
            outros.c.push(() => {
                outroing.delete(block);
                if (callback) {
                    if (detach)
                        block.d(1);
                    callback();
                }
            });
            block.o(local);
        }
    }

    function handle_promise(promise, info) {
        const token = info.token = {};
        function update(type, index, key, value) {
            if (info.token !== token)
                return;
            info.resolved = key && { [key]: value };
            const child_ctx = assign(assign({}, info.ctx), info.resolved);
            const block = type && (info.current = type)(child_ctx);
            if (info.block) {
                if (info.blocks) {
                    info.blocks.forEach((block, i) => {
                        if (i !== index && block) {
                            group_outros();
                            transition_out(block, 1, 1, () => {
                                info.blocks[i] = null;
                            });
                            check_outros();
                        }
                    });
                }
                else {
                    info.block.d(1);
                }
                block.c();
                transition_in(block, 1);
                block.m(info.mount(), info.anchor);
                flush();
            }
            info.block = block;
            if (info.blocks)
                info.blocks[index] = block;
        }
        if (is_promise(promise)) {
            const current_component = get_current_component();
            promise.then(value => {
                set_current_component(current_component);
                update(info.then, 1, info.value, value);
                set_current_component(null);
            }, error => {
                set_current_component(current_component);
                update(info.catch, 2, info.error, error);
                set_current_component(null);
            });
            // if we previously had a then/catch block, destroy it
            if (info.current !== info.pending) {
                update(info.pending, 0);
                return true;
            }
        }
        else {
            if (info.current !== info.then) {
                update(info.then, 1, info.value, promise);
                return true;
            }
            info.resolved = { [info.value]: promise };
        }
    }

    const globals = (typeof window !== 'undefined' ? window : global);
    function mount_component(component, target, anchor) {
        const { fragment, on_mount, on_destroy, after_update } = component.$$;
        fragment.m(target, anchor);
        // onMount happens before the initial afterUpdate
        add_render_callback(() => {
            const new_on_destroy = on_mount.map(run).filter(is_function);
            if (on_destroy) {
                on_destroy.push(...new_on_destroy);
            }
            else {
                // Edge case - component was destroyed immediately,
                // most likely as a result of a binding initialising
                run_all(new_on_destroy);
            }
            component.$$.on_mount = [];
        });
        after_update.forEach(add_render_callback);
    }
    function destroy_component(component, detaching) {
        if (component.$$.fragment) {
            run_all(component.$$.on_destroy);
            component.$$.fragment.d(detaching);
            // TODO null out other refs, including component.$$ (but need to
            // preserve final state?)
            component.$$.on_destroy = component.$$.fragment = null;
            component.$$.ctx = {};
        }
    }
    function make_dirty(component, key) {
        if (!component.$$.dirty) {
            dirty_components.push(component);
            schedule_update();
            component.$$.dirty = blank_object();
        }
        component.$$.dirty[key] = true;
    }
    function init(component, options, instance, create_fragment, not_equal, prop_names) {
        const parent_component = current_component;
        set_current_component(component);
        const props = options.props || {};
        const $$ = component.$$ = {
            fragment: null,
            ctx: null,
            // state
            props: prop_names,
            update: noop,
            not_equal,
            bound: blank_object(),
            // lifecycle
            on_mount: [],
            on_destroy: [],
            before_update: [],
            after_update: [],
            context: new Map(parent_component ? parent_component.$$.context : []),
            // everything else
            callbacks: blank_object(),
            dirty: null
        };
        let ready = false;
        $$.ctx = instance
            ? instance(component, props, (key, ret, value = ret) => {
                if ($$.ctx && not_equal($$.ctx[key], $$.ctx[key] = value)) {
                    if ($$.bound[key])
                        $$.bound[key](value);
                    if (ready)
                        make_dirty(component, key);
                }
                return ret;
            })
            : props;
        $$.update();
        ready = true;
        run_all($$.before_update);
        $$.fragment = create_fragment($$.ctx);
        if (options.target) {
            if (options.hydrate) {
                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                $$.fragment.l(children(options.target));
            }
            else {
                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
                $$.fragment.c();
            }
            if (options.intro)
                transition_in(component.$$.fragment);
            mount_component(component, options.target, options.anchor);
            flush();
        }
        set_current_component(parent_component);
    }
    let SvelteElement;
    if (typeof HTMLElement !== 'undefined') {
        SvelteElement = class extends HTMLElement {
            constructor() {
                super();
                this.attachShadow({ mode: 'open' });
            }
            connectedCallback() {
                // @ts-ignore todo: improve typings
                for (const key in this.$$.slotted) {
                    // @ts-ignore todo: improve typings
                    this.appendChild(this.$$.slotted[key]);
                }
            }
            attributeChangedCallback(attr, _oldValue, newValue) {
                this[attr] = newValue;
            }
            $destroy() {
                destroy_component(this, 1);
                this.$destroy = noop;
            }
            $on(type, callback) {
                // TODO should this delegate to addEventListener?
                const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));
                callbacks.push(callback);
                return () => {
                    const index = callbacks.indexOf(callback);
                    if (index !== -1)
                        callbacks.splice(index, 1);
                };
            }
            $set() {
                // overridden by instance, if it has props
            }
        };
    }
    class SvelteComponent {
        $destroy() {
            destroy_component(this, 1);
            this.$destroy = noop;
        }
        $on(type, callback) {
            const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));
            callbacks.push(callback);
            return () => {
                const index = callbacks.indexOf(callback);
                if (index !== -1)
                    callbacks.splice(index, 1);
            };
        }
        $set() {
            // overridden by instance, if it has props
        }
    }

    function dispatch_dev(type, detail) {
        document.dispatchEvent(custom_event(type, detail));
    }
    function append_dev(target, node) {
        dispatch_dev("SvelteDOMInsert", { target, node });
        append(target, node);
    }
    function insert_dev(target, node, anchor) {
        dispatch_dev("SvelteDOMInsert", { target, node, anchor });
        insert(target, node, anchor);
    }
    function detach_dev(node) {
        dispatch_dev("SvelteDOMRemove", { node });
        detach(node);
    }
    function listen_dev(node, event, handler, options, has_prevent_default, has_stop_propagation) {
        const modifiers = options === true ? ["capture"] : options ? Array.from(Object.keys(options)) : [];
        if (has_prevent_default)
            modifiers.push('preventDefault');
        if (has_stop_propagation)
            modifiers.push('stopPropagation');
        dispatch_dev("SvelteDOMAddEventListener", { node, event, handler, modifiers });
        const dispose = listen(node, event, handler, options);
        return () => {
            dispatch_dev("SvelteDOMRemoveEventListener", { node, event, handler, modifiers });
            dispose();
        };
    }
    function attr_dev(node, attribute, value) {
        attr(node, attribute, value);
        if (value == null)
            dispatch_dev("SvelteDOMRemoveAttribute", { node, attribute });
        else
            dispatch_dev("SvelteDOMSetAttribute", { node, attribute, value });
    }
    function prop_dev(node, property, value) {
        node[property] = value;
        dispatch_dev("SvelteDOMSetProperty", { node, property, value });
    }
    function set_data_dev(text, data) {
        data = '' + data;
        if (text.data === data)
            return;
        dispatch_dev("SvelteDOMSetData", { node: text, data });
        text.data = data;
    }
    class SvelteComponentDev extends SvelteComponent {
        constructor(options) {
            if (!options || (!options.target && !options.$$inline)) {
                throw new Error(`'target' is a required option`);
            }
            super();
        }
        $destroy() {
            super.$destroy();
            this.$destroy = () => {
                console.warn(`Component was already destroyed`); // eslint-disable-line no-console
            };
        }
    }

    const subscriber_queue = [];
    /**
     * Create a `Writable` store that allows both updating and reading by subscription.
     * @param {*=}value initial value
     * @param {StartStopNotifier=}start start and stop notifications for subscriptions
     */
    function writable(value, start = noop) {
        let stop;
        const subscribers = [];
        function set(new_value) {
            if (safe_not_equal(value, new_value)) {
                value = new_value;
                if (stop) { // store is ready
                    const run_queue = !subscriber_queue.length;
                    for (let i = 0; i < subscribers.length; i += 1) {
                        const s = subscribers[i];
                        s[1]();
                        subscriber_queue.push(s, value);
                    }
                    if (run_queue) {
                        for (let i = 0; i < subscriber_queue.length; i += 2) {
                            subscriber_queue[i][0](subscriber_queue[i + 1]);
                        }
                        subscriber_queue.length = 0;
                    }
                }
            }
        }
        function update(fn) {
            set(fn(value));
        }
        function subscribe(run, invalidate = noop) {
            const subscriber = [run, invalidate];
            subscribers.push(subscriber);
            if (subscribers.length === 1) {
                stop = start(set) || noop;
            }
            run(value);
            return () => {
                const index = subscribers.indexOf(subscriber);
                if (index !== -1) {
                    subscribers.splice(index, 1);
                }
                if (subscribers.length === 0) {
                    stop();
                    stop = null;
                }
            };
        }
        return { set, update, subscribe };
    }

    /* src\Textbox.svelte generated by Svelte v3.12.1 */

    const file = "src\\Textbox.svelte";

    // (24:0) {:else}
    function create_else_block(ctx) {
    	var input, input_class_value, dispose;

    	const block = {
    		c: function create() {
    			input = element("input");
    			this.h();
    		},

    		l: function claim(nodes) {
    			input = claim_element(nodes, "INPUT", { class: true, type: true, value: true }, false);
    			var input_nodes = children(input);

    			input_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(input, "class", input_class_value = "" + null_to_empty(ctx.className) + " svelte-1ec4wqj");
    			attr_dev(input, "type", "text");
    			input.value = ctx.value;
    			add_location(input, file, 24, 0, 372);
    			dispose = listen_dev(input, "change", ctx.onchange);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, input, anchor);
    		},

    		p: function update(changed, ctx) {
    			if ((changed.className) && input_class_value !== (input_class_value = "" + null_to_empty(ctx.className) + " svelte-1ec4wqj")) {
    				attr_dev(input, "class", input_class_value);
    			}

    			if (changed.value) {
    				prop_dev(input, "value", ctx.value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(input);
    			}

    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_else_block.name, type: "else", source: "(24:0) {:else}", ctx });
    	return block;
    }

    // (19:0) {#if hideValue}
    function create_if_block(ctx) {
    	var input, input_class_value, dispose;

    	const block = {
    		c: function create() {
    			input = element("input");
    			this.h();
    		},

    		l: function claim(nodes) {
    			input = claim_element(nodes, "INPUT", { class: true, type: true, value: true }, false);
    			var input_nodes = children(input);

    			input_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(input, "class", input_class_value = "" + null_to_empty(ctx.className) + " svelte-1ec4wqj");
    			attr_dev(input, "type", "password");
    			input.value = ctx.value;
    			add_location(input, file, 19, 0, 271);
    			dispose = listen_dev(input, "change", ctx.onchange);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, input, anchor);
    		},

    		p: function update(changed, ctx) {
    			if ((changed.className) && input_class_value !== (input_class_value = "" + null_to_empty(ctx.className) + " svelte-1ec4wqj")) {
    				attr_dev(input, "class", input_class_value);
    			}

    			if (changed.value) {
    				prop_dev(input, "value", ctx.value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(input);
    			}

    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block.name, type: "if", source: "(19:0) {#if hideValue}", ctx });
    	return block;
    }

    function create_fragment(ctx) {
    	var if_block_anchor;

    	function select_block_type(changed, ctx) {
    		if (ctx.hideValue) return create_if_block;
    		return create_else_block;
    	}

    	var current_block_type = select_block_type(null, ctx);
    	var if_block = current_block_type(ctx);

    	const block = {
    		c: function create() {
    			if_block.c();
    			if_block_anchor = empty();
    		},

    		l: function claim(nodes) {
    			if_block.l(nodes);
    			if_block_anchor = empty();
    		},

    		m: function mount(target, anchor) {
    			if_block.m(target, anchor);
    			insert_dev(target, if_block_anchor, anchor);
    		},

    		p: function update(changed, ctx) {
    			if (current_block_type === (current_block_type = select_block_type(changed, ctx)) && if_block) {
    				if_block.p(changed, ctx);
    			} else {
    				if_block.d(1);
    				if_block = current_block_type(ctx);
    				if (if_block) {
    					if_block.c();
    					if_block.m(if_block_anchor.parentNode, if_block_anchor);
    				}
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if_block.d(detaching);

    			if (detaching) {
    				detach_dev(if_block_anchor);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment.name, type: "component", source: "", ctx });
    	return block;
    }

    let actualValue = "";

    function instance($$self, $$props, $$invalidate) {
    	let { value="", hideValue = false, className = "default", _bb } = $$props;

    const onchange = (ev) => {
    	if(_bb) {
    		_bb.setStateFromBinding(_bb.bindings.value, ev.target.value);
    	}
    };

    	const writable_props = ['value', 'hideValue', 'className', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Textbox> was created with unknown prop '${key}'`);
    	});

    	$$self.$set = $$props => {
    		if ('value' in $$props) $$invalidate('value', value = $$props.value);
    		if ('hideValue' in $$props) $$invalidate('hideValue', hideValue = $$props.hideValue);
    		if ('className' in $$props) $$invalidate('className', className = $$props.className);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { value, hideValue, className, _bb, actualValue };
    	};

    	$$self.$inject_state = $$props => {
    		if ('value' in $$props) $$invalidate('value', value = $$props.value);
    		if ('hideValue' in $$props) $$invalidate('hideValue', hideValue = $$props.hideValue);
    		if ('className' in $$props) $$invalidate('className', className = $$props.className);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('actualValue' in $$props) actualValue = $$props.actualValue;
    	};

    	return {
    		value,
    		hideValue,
    		className,
    		_bb,
    		onchange
    	};
    }

    class Textbox extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance, create_fragment, safe_not_equal, ["value", "hideValue", "className", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Textbox", options, id: create_fragment.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Textbox> was created without expected prop '_bb'");
    		}
    	}

    	get value() {
    		throw new Error("<Textbox>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set value(value) {
    		throw new Error("<Textbox>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hideValue() {
    		throw new Error("<Textbox>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hideValue(value) {
    		throw new Error("<Textbox>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get className() {
    		throw new Error("<Textbox>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set className(value) {
    		throw new Error("<Textbox>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Textbox>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Textbox>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Form.svelte generated by Svelte v3.12.1 */

    const file$1 = "src\\Form.svelte";

    function get_each_context(ctx, list, i) {
    	const child_ctx = Object.create(ctx);
    	child_ctx.child = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    // (30:4) {#each formControls as child, index}
    function create_each_block(ctx) {
    	var div0, t0_value = ctx.labels[ctx.index] + "", t0, t1, div1, index = ctx.index;

    	const assign_div1 = () => ctx.div1_binding(div1, index);
    	const unassign_div1 = () => ctx.div1_binding(null, index);

    	const block = {
    		c: function create() {
    			div0 = element("div");
    			t0 = text(t0_value);
    			t1 = space();
    			div1 = element("div");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div0 = claim_element(nodes, "DIV", { class: true }, false);
    			var div0_nodes = children(div0);

    			t0 = claim_text(div0_nodes, t0_value);
    			div0_nodes.forEach(detach_dev);
    			t1 = claim_space(nodes);

    			div1 = claim_element(nodes, "DIV", { class: true }, false);
    			var div1_nodes = children(div1);

    			div1_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div0, "class", "label svelte-m9d6ue");
    			add_location(div0, file$1, 30, 4, 556);
    			attr_dev(div1, "class", "control svelte-m9d6ue");
    			add_location(div1, file$1, 31, 4, 601);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div0, anchor);
    			append_dev(div0, t0);
    			insert_dev(target, t1, anchor);
    			insert_dev(target, div1, anchor);
    			assign_div1();
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if ((changed.labels) && t0_value !== (t0_value = ctx.labels[ctx.index] + "")) {
    				set_data_dev(t0, t0_value);
    			}

    			if (index !== ctx.index) {
    				unassign_div1();
    				index = ctx.index;
    				assign_div1();
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div0);
    				detach_dev(t1);
    				detach_dev(div1);
    			}

    			unassign_div1();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block.name, type: "each", source: "(30:4) {#each formControls as child, index}", ctx });
    	return block;
    }

    function create_fragment$1(ctx) {
    	var div, div_class_value;

    	let each_value = ctx.formControls;

    	let each_blocks = [];

    	for (let i = 0; i < each_value.length; i += 1) {
    		each_blocks[i] = create_each_block(get_each_context(ctx, each_value, i));
    	}

    	const block = {
    		c: function create() {
    			div = element("div");

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(div_nodes);
    			}

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", div_class_value = "form-root " + ctx.containerClass + " svelte-m9d6ue");
    			add_location(div, file$1, 28, 0, 470);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(div, null);
    			}
    		},

    		p: function update(changed, ctx) {
    			if (changed.htmlElements || changed.labels || changed.formControls) {
    				each_value = ctx.formControls;

    				let i;
    				for (i = 0; i < each_value.length; i += 1) {
    					const child_ctx = get_each_context(ctx, each_value, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(div, null);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value.length;
    			}

    			if ((changed.containerClass) && div_class_value !== (div_class_value = "form-root " + ctx.containerClass + " svelte-m9d6ue")) {
    				attr_dev(div, "class", div_class_value);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			destroy_each(each_blocks, detaching);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$1.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$1($$self, $$props, $$invalidate) {
    	let { containerClass = "", formControls = [], _bb } = $$props;

    let htmlElements = {};
    let labels = {};

    	const writable_props = ['containerClass', 'formControls', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Form> was created with unknown prop '${key}'`);
    	});

    	function div1_binding($$value, index) {
    		if (htmlElements[index] === $$value) return;
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			htmlElements[index] = $$value;
    			$$invalidate('htmlElements', htmlElements);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('formControls' in $$props) $$invalidate('formControls', formControls = $$props.formControls);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { containerClass, formControls, _bb, htmlElements, labels };
    	};

    	$$self.$inject_state = $$props => {
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('formControls' in $$props) $$invalidate('formControls', formControls = $$props.formControls);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('htmlElements' in $$props) $$invalidate('htmlElements', htmlElements = $$props.htmlElements);
    		if ('labels' in $$props) $$invalidate('labels', labels = $$props.labels);
    	};

    	$$self.$$.update = ($$dirty = { formControls: 1, _bb: 1, htmlElements: 1 }) => {
    		if ($$dirty.formControls || $$dirty._bb || $$dirty.htmlElements) { {
                let cIndex = 0;
                for(let c of formControls) {
                    $$invalidate('labels', labels[cIndex] = c.label, labels);
                    cIndex++;
                }
            
                if(_bb && htmlElements) {
                    for(let el in htmlElements) {
                        _bb.hydrateComponent(
                            formControls[el].control,
                            htmlElements[el]
                        );
                    }
                }
            } }
    	};

    	return {
    		containerClass,
    		formControls,
    		_bb,
    		htmlElements,
    		labels,
    		div1_binding
    	};
    }

    class Form extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$1, create_fragment$1, safe_not_equal, ["containerClass", "formControls", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Form", options, id: create_fragment$1.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Form> was created without expected prop '_bb'");
    		}
    	}

    	get containerClass() {
    		throw new Error("<Form>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set containerClass(value) {
    		throw new Error("<Form>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get formControls() {
    		throw new Error("<Form>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set formControls(value) {
    		throw new Error("<Form>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Form>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Form>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    // https://github.com/kaisermann/svelte-css-vars

    var cssVars = (node, props) => {
        Object.entries(props).forEach(([key, value]) => {
          node.style.setProperty(`--${key}`, value);
        });
      
        return {
          update(new_props) {
            Object.entries(new_props).forEach(([key, value]) => {
              node.style.setProperty(`--${key}`, value);
              delete props[key];
            });
      
            Object.keys(props).forEach(name =>
              node.style.removeProperty(`--${name}`),
            );
            props = new_props;
          },
        };
      };

    const buildStyle = (styles) => {
        let str = "";
        for(let s in styles) {
            if(styles[s]) {
                str += `${s}: ${styles[s]}; `;
            }
        }
        return str;
    };

    /* src\Button.svelte generated by Svelte v3.12.1 */

    const file$2 = "src\\Button.svelte";

    // (80:4) {:else}
    function create_else_block$1(ctx) {
    	var current;

    	const default_slot_template = ctx.$$slots.default;
    	const default_slot = create_slot(default_slot_template, ctx, null);

    	const block = {
    		c: function create() {
    			if (default_slot) default_slot.c();
    		},

    		l: function claim(nodes) {
    			if (default_slot) default_slot.l(nodes);
    		},

    		m: function mount(target, anchor) {
    			if (default_slot) {
    				default_slot.m(target, anchor);
    			}

    			current = true;
    		},

    		p: function update(changed, ctx) {
    			if (default_slot && default_slot.p && changed.$$scope) {
    				default_slot.p(
    					get_slot_changes(default_slot_template, ctx, changed, null),
    					get_slot_context(default_slot_template, ctx, null)
    				);
    			}
    		},

    		i: function intro(local) {
    			if (current) return;
    			transition_in(default_slot, local);
    			current = true;
    		},

    		o: function outro(local) {
    			transition_out(default_slot, local);
    			current = false;
    		},

    		d: function destroy(detaching) {
    			if (default_slot) default_slot.d(detaching);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_else_block$1.name, type: "else", source: "(80:4) {:else}", ctx });
    	return block;
    }

    // (78:26) 
    function create_if_block_1(ctx) {
    	var t;

    	const block = {
    		c: function create() {
    			t = text(ctx.contentText);
    		},

    		l: function claim(nodes) {
    			t = claim_text(nodes, ctx.contentText);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, t, anchor);
    		},

    		p: function update(changed, ctx) {
    			if (changed.contentText) {
    				set_data_dev(t, ctx.contentText);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(t);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block_1.name, type: "if", source: "(78:26) ", ctx });
    	return block;
    }

    // (75:4) {#if contentComponent && contentComponent._component}
    function create_if_block$1(ctx) {
    	var div;

    	const block = {
    		c: function create() {
    			div = element("div");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", {}, false);
    			var div_nodes = children(div);

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			add_location(div, file$2, 75, 1, 1404);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			ctx.div_binding(div);
    		},

    		p: noop,
    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			ctx.div_binding(null);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block$1.name, type: "if", source: "(75:4) {#if contentComponent && contentComponent._component}", ctx });
    	return block;
    }

    function create_fragment$2(ctx) {
    	var button, current_block_type_index, if_block, button_class_value, button_disabled_value, cssVars_action, current, dispose;

    	var if_block_creators = [
    		create_if_block$1,
    		create_if_block_1,
    		create_else_block$1
    	];

    	var if_blocks = [];

    	function select_block_type(changed, ctx) {
    		if (ctx.contentComponent && ctx.contentComponent._component) return 0;
    		if (ctx.contentText) return 1;
    		return 2;
    	}

    	current_block_type_index = select_block_type(null, ctx);
    	if_block = if_blocks[current_block_type_index] = if_block_creators[current_block_type_index](ctx);

    	const block = {
    		c: function create() {
    			button = element("button");
    			if_block.c();
    			this.h();
    		},

    		l: function claim(nodes) {
    			button = claim_element(nodes, "BUTTON", { class: true, disabled: true, style: true }, false);
    			var button_nodes = children(button);

    			if_block.l(button_nodes);
    			button_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(button, "class", button_class_value = "" + ctx.className + " " + ctx.customClasses + " svelte-181okpd");
    			button.disabled = button_disabled_value = ctx.disabled || false;
    			attr_dev(button, "style", ctx.buttonStyles);
    			add_location(button, file$2, 69, 0, 1187);
    			dispose = listen_dev(button, "click", ctx.clickHandler);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, button, anchor);
    			if_blocks[current_block_type_index].m(button, null);
    			cssVars_action = cssVars.call(null, button, ctx.cssVariables) || {};
    			current = true;
    		},

    		p: function update(changed, ctx) {
    			var previous_block_index = current_block_type_index;
    			current_block_type_index = select_block_type(changed, ctx);
    			if (current_block_type_index === previous_block_index) {
    				if_blocks[current_block_type_index].p(changed, ctx);
    			} else {
    				group_outros();
    				transition_out(if_blocks[previous_block_index], 1, 1, () => {
    					if_blocks[previous_block_index] = null;
    				});
    				check_outros();

    				if_block = if_blocks[current_block_type_index];
    				if (!if_block) {
    					if_block = if_blocks[current_block_type_index] = if_block_creators[current_block_type_index](ctx);
    					if_block.c();
    				}
    				transition_in(if_block, 1);
    				if_block.m(button, null);
    			}

    			if ((!current || changed.className || changed.customClasses) && button_class_value !== (button_class_value = "" + ctx.className + " " + ctx.customClasses + " svelte-181okpd")) {
    				attr_dev(button, "class", button_class_value);
    			}

    			if ((!current || changed.disabled) && button_disabled_value !== (button_disabled_value = ctx.disabled || false)) {
    				prop_dev(button, "disabled", button_disabled_value);
    			}

    			if (!current || changed.buttonStyles) {
    				attr_dev(button, "style", ctx.buttonStyles);
    			}

    			if (typeof cssVars_action.update === 'function' && changed.cssVariables) {
    				cssVars_action.update.call(null, ctx.cssVariables);
    			}
    		},

    		i: function intro(local) {
    			if (current) return;
    			transition_in(if_block);
    			current = true;
    		},

    		o: function outro(local) {
    			transition_out(if_block);
    			current = false;
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(button);
    			}

    			if_blocks[current_block_type_index].d();
    			if (cssVars_action && typeof cssVars_action.destroy === 'function') cssVars_action.destroy();
    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$2.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$2($$self, $$props, $$invalidate) {
    	
    let { className = "default", disabled = false, contentText, contentComponent, onClick, background, color, border, padding, hoverColor, hoverBackground, hoverBorder, _bb } = $$props;
    let contentComponentContainer;
    let cssVariables;
    let buttonStyles;

    let customHoverColorClass;
    let customHoverBorderClass;
    let customHoverBackClass;

    let customClasses = "";

    const createClasses = (classes) => {
    	let all = "";
    	for(let cls in classes) {
    		if(classes[cls]) {
    			all = all + " " + cls;
    		}
    	}
    	return all;
    };




    const clickHandler = () => {
    	_bb.call(onClick);
    };

    	const writable_props = ['className', 'disabled', 'contentText', 'contentComponent', 'onClick', 'background', 'color', 'border', 'padding', 'hoverColor', 'hoverBackground', 'hoverBorder', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Button> was created with unknown prop '${key}'`);
    	});

    	let { $$slots = {}, $$scope } = $$props;

    	function div_binding($$value) {
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			$$invalidate('contentComponentContainer', contentComponentContainer = $$value);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('className' in $$props) $$invalidate('className', className = $$props.className);
    		if ('disabled' in $$props) $$invalidate('disabled', disabled = $$props.disabled);
    		if ('contentText' in $$props) $$invalidate('contentText', contentText = $$props.contentText);
    		if ('contentComponent' in $$props) $$invalidate('contentComponent', contentComponent = $$props.contentComponent);
    		if ('onClick' in $$props) $$invalidate('onClick', onClick = $$props.onClick);
    		if ('background' in $$props) $$invalidate('background', background = $$props.background);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('border' in $$props) $$invalidate('border', border = $$props.border);
    		if ('padding' in $$props) $$invalidate('padding', padding = $$props.padding);
    		if ('hoverColor' in $$props) $$invalidate('hoverColor', hoverColor = $$props.hoverColor);
    		if ('hoverBackground' in $$props) $$invalidate('hoverBackground', hoverBackground = $$props.hoverBackground);
    		if ('hoverBorder' in $$props) $$invalidate('hoverBorder', hoverBorder = $$props.hoverBorder);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('$$scope' in $$props) $$invalidate('$$scope', $$scope = $$props.$$scope);
    	};

    	$$self.$capture_state = () => {
    		return { className, disabled, contentText, contentComponent, onClick, background, color, border, padding, hoverColor, hoverBackground, hoverBorder, _bb, contentComponentContainer, cssVariables, buttonStyles, customHoverColorClass, customHoverBorderClass, customHoverBackClass, customClasses };
    	};

    	$$self.$inject_state = $$props => {
    		if ('className' in $$props) $$invalidate('className', className = $$props.className);
    		if ('disabled' in $$props) $$invalidate('disabled', disabled = $$props.disabled);
    		if ('contentText' in $$props) $$invalidate('contentText', contentText = $$props.contentText);
    		if ('contentComponent' in $$props) $$invalidate('contentComponent', contentComponent = $$props.contentComponent);
    		if ('onClick' in $$props) $$invalidate('onClick', onClick = $$props.onClick);
    		if ('background' in $$props) $$invalidate('background', background = $$props.background);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('border' in $$props) $$invalidate('border', border = $$props.border);
    		if ('padding' in $$props) $$invalidate('padding', padding = $$props.padding);
    		if ('hoverColor' in $$props) $$invalidate('hoverColor', hoverColor = $$props.hoverColor);
    		if ('hoverBackground' in $$props) $$invalidate('hoverBackground', hoverBackground = $$props.hoverBackground);
    		if ('hoverBorder' in $$props) $$invalidate('hoverBorder', hoverBorder = $$props.hoverBorder);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('contentComponentContainer' in $$props) $$invalidate('contentComponentContainer', contentComponentContainer = $$props.contentComponentContainer);
    		if ('cssVariables' in $$props) $$invalidate('cssVariables', cssVariables = $$props.cssVariables);
    		if ('buttonStyles' in $$props) $$invalidate('buttonStyles', buttonStyles = $$props.buttonStyles);
    		if ('customHoverColorClass' in $$props) customHoverColorClass = $$props.customHoverColorClass;
    		if ('customHoverBorderClass' in $$props) customHoverBorderClass = $$props.customHoverBorderClass;
    		if ('customHoverBackClass' in $$props) customHoverBackClass = $$props.customHoverBackClass;
    		if ('customClasses' in $$props) $$invalidate('customClasses', customClasses = $$props.customClasses);
    	};

    	$$self.$$.update = ($$dirty = { _bb: 1, contentComponentContainer: 1, contentComponent: 1, hoverColor: 1, hoverBorder: 1, hoverBackground: 1, background: 1, color: 1, border: 1, padding: 1 }) => {
    		if ($$dirty._bb || $$dirty.contentComponentContainer || $$dirty.contentComponent || $$dirty.hoverColor || $$dirty.hoverBorder || $$dirty.hoverBackground || $$dirty.background || $$dirty.color || $$dirty.border || $$dirty.padding) { {
    			if(_bb && contentComponentContainer && contentComponent._component)
    				_bb.hydrateComponent(contentComponent, contentComponentContainer);
    		
    			$$invalidate('cssVariables', cssVariables = {
    				hoverColor, hoverBorder,
    				hoverBackground,
    				background, color, border,
    			});
    		
    			$$invalidate('buttonStyles', buttonStyles = buildStyle({
    				padding
    			}));	
    			
    			$$invalidate('customClasses', customClasses = createClasses({
    				hoverColor, hoverBorder, hoverBackground,
    				background, border, color
    			}));
    			
    		} }
    	};

    	return {
    		className,
    		disabled,
    		contentText,
    		contentComponent,
    		onClick,
    		background,
    		color,
    		border,
    		padding,
    		hoverColor,
    		hoverBackground,
    		hoverBorder,
    		_bb,
    		contentComponentContainer,
    		cssVariables,
    		buttonStyles,
    		customClasses,
    		clickHandler,
    		div_binding,
    		$$slots,
    		$$scope
    	};
    }

    class Button extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$2, create_fragment$2, safe_not_equal, ["className", "disabled", "contentText", "contentComponent", "onClick", "background", "color", "border", "padding", "hoverColor", "hoverBackground", "hoverBorder", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Button", options, id: create_fragment$2.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx.contentText === undefined && !('contentText' in props)) {
    			console.warn("<Button> was created without expected prop 'contentText'");
    		}
    		if (ctx.contentComponent === undefined && !('contentComponent' in props)) {
    			console.warn("<Button> was created without expected prop 'contentComponent'");
    		}
    		if (ctx.onClick === undefined && !('onClick' in props)) {
    			console.warn("<Button> was created without expected prop 'onClick'");
    		}
    		if (ctx.background === undefined && !('background' in props)) {
    			console.warn("<Button> was created without expected prop 'background'");
    		}
    		if (ctx.color === undefined && !('color' in props)) {
    			console.warn("<Button> was created without expected prop 'color'");
    		}
    		if (ctx.border === undefined && !('border' in props)) {
    			console.warn("<Button> was created without expected prop 'border'");
    		}
    		if (ctx.padding === undefined && !('padding' in props)) {
    			console.warn("<Button> was created without expected prop 'padding'");
    		}
    		if (ctx.hoverColor === undefined && !('hoverColor' in props)) {
    			console.warn("<Button> was created without expected prop 'hoverColor'");
    		}
    		if (ctx.hoverBackground === undefined && !('hoverBackground' in props)) {
    			console.warn("<Button> was created without expected prop 'hoverBackground'");
    		}
    		if (ctx.hoverBorder === undefined && !('hoverBorder' in props)) {
    			console.warn("<Button> was created without expected prop 'hoverBorder'");
    		}
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Button> was created without expected prop '_bb'");
    		}
    	}

    	get className() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set className(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get disabled() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set disabled(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get contentText() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set contentText(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get contentComponent() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set contentComponent(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get onClick() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set onClick(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get background() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set background(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get color() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set color(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get border() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set border(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get padding() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set padding(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hoverColor() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hoverColor(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hoverBackground() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hoverBackground(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hoverBorder() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hoverBorder(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Button>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Button>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Login.svelte generated by Svelte v3.12.1 */

    const file$3 = "src\\Login.svelte";

    // (57:8) {#if _logo}
    function create_if_block_1$1(ctx) {
    	var div, img;

    	const block = {
    		c: function create() {
    			div = element("div");
    			img = element("img");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			img = claim_element(div_nodes, "IMG", { src: true, alt: true, class: true }, false);
    			var img_nodes = children(img);

    			img_nodes.forEach(detach_dev);
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(img, "src", ctx._logo);
    			attr_dev(img, "alt", "logo");
    			attr_dev(img, "class", "svelte-crnq0a");
    			add_location(img, file$3, 58, 12, 1222);
    			attr_dev(div, "class", "logo-container svelte-crnq0a");
    			add_location(div, file$3, 57, 8, 1181);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			append_dev(div, img);
    		},

    		p: function update(changed, ctx) {
    			if (changed._logo) {
    				attr_dev(img, "src", ctx._logo);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block_1$1.name, type: "if", source: "(57:8) {#if _logo}", ctx });
    	return block;
    }

    // (86:8) {#if incorrect}
    function create_if_block$2(ctx) {
    	var div, t;

    	const block = {
    		c: function create() {
    			div = element("div");
    			t = text("Incorrect username or password");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			t = claim_text(div_nodes, "Incorrect username or password");
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", "incorrect-details-panel svelte-crnq0a");
    			add_location(div, file$3, 86, 8, 2034);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			append_dev(div, t);
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block$2.name, type: "if", source: "(86:8) {#if incorrect}", ctx });
    	return block;
    }

    function create_fragment$3(ctx) {
    	var div7, div6, t0, div4, div0, t1, t2, div1, input0, input0_class_value, t3, div2, t4, t5, div3, input1, input1_class_value, t6, div5, button, t7, button_class_value, t8, dispose;

    	var if_block0 = (ctx._logo) && create_if_block_1$1(ctx);

    	var if_block1 = (ctx.incorrect) && create_if_block$2(ctx);

    	const block = {
    		c: function create() {
    			div7 = element("div");
    			div6 = element("div");
    			if (if_block0) if_block0.c();
    			t0 = space();
    			div4 = element("div");
    			div0 = element("div");
    			t1 = text(ctx.usernameLabel);
    			t2 = space();
    			div1 = element("div");
    			input0 = element("input");
    			t3 = space();
    			div2 = element("div");
    			t4 = text(ctx.passwordLabel);
    			t5 = space();
    			div3 = element("div");
    			input1 = element("input");
    			t6 = space();
    			div5 = element("div");
    			button = element("button");
    			t7 = text(ctx.loginButtonLabel);
    			t8 = space();
    			if (if_block1) if_block1.c();
    			this.h();
    		},

    		l: function claim(nodes) {
    			div7 = claim_element(nodes, "DIV", { class: true }, false);
    			var div7_nodes = children(div7);

    			div6 = claim_element(div7_nodes, "DIV", { class: true }, false);
    			var div6_nodes = children(div6);

    			if (if_block0) if_block0.l(div6_nodes);
    			t0 = claim_space(div6_nodes);

    			div4 = claim_element(div6_nodes, "DIV", { class: true }, false);
    			var div4_nodes = children(div4);

    			div0 = claim_element(div4_nodes, "DIV", { class: true }, false);
    			var div0_nodes = children(div0);

    			t1 = claim_text(div0_nodes, ctx.usernameLabel);
    			div0_nodes.forEach(detach_dev);
    			t2 = claim_space(div4_nodes);

    			div1 = claim_element(div4_nodes, "DIV", { class: true }, false);
    			var div1_nodes = children(div1);

    			input0 = claim_element(div1_nodes, "INPUT", { type: true, class: true }, false);
    			var input0_nodes = children(input0);

    			input0_nodes.forEach(detach_dev);
    			div1_nodes.forEach(detach_dev);
    			t3 = claim_space(div4_nodes);

    			div2 = claim_element(div4_nodes, "DIV", { class: true }, false);
    			var div2_nodes = children(div2);

    			t4 = claim_text(div2_nodes, ctx.passwordLabel);
    			div2_nodes.forEach(detach_dev);
    			t5 = claim_space(div4_nodes);

    			div3 = claim_element(div4_nodes, "DIV", { class: true }, false);
    			var div3_nodes = children(div3);

    			input1 = claim_element(div3_nodes, "INPUT", { type: true, class: true }, false);
    			var input1_nodes = children(input1);

    			input1_nodes.forEach(detach_dev);
    			div3_nodes.forEach(detach_dev);
    			div4_nodes.forEach(detach_dev);
    			t6 = claim_space(div6_nodes);

    			div5 = claim_element(div6_nodes, "DIV", { class: true }, false);
    			var div5_nodes = children(div5);

    			button = claim_element(div5_nodes, "BUTTON", { disabled: true, class: true }, false);
    			var button_nodes = children(button);

    			t7 = claim_text(button_nodes, ctx.loginButtonLabel);
    			button_nodes.forEach(detach_dev);
    			div5_nodes.forEach(detach_dev);
    			t8 = claim_space(div6_nodes);
    			if (if_block1) if_block1.l(div6_nodes);
    			div6_nodes.forEach(detach_dev);
    			div7_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div0, "class", "label svelte-crnq0a");
    			add_location(div0, file$3, 63, 12, 1326);
    			attr_dev(input0, "type", "text");
    			attr_dev(input0, "class", input0_class_value = "" + null_to_empty(ctx._inputClass) + " svelte-crnq0a");
    			add_location(input0, file$3, 67, 16, 1447);
    			attr_dev(div1, "class", "control svelte-crnq0a");
    			add_location(div1, file$3, 66, 12, 1409);
    			attr_dev(div2, "class", "label svelte-crnq0a");
    			add_location(div2, file$3, 69, 12, 1541);
    			attr_dev(input1, "type", "password");
    			attr_dev(input1, "class", input1_class_value = "" + null_to_empty(ctx._inputClass) + " svelte-crnq0a");
    			add_location(input1, file$3, 73, 16, 1662);
    			attr_dev(div3, "class", "control svelte-crnq0a");
    			add_location(div3, file$3, 72, 12, 1624);
    			attr_dev(div4, "class", "form-root svelte-crnq0a");
    			add_location(div4, file$3, 62, 8, 1290);
    			button.disabled = ctx.busy;
    			attr_dev(button, "class", button_class_value = "" + null_to_empty(ctx._buttonClass) + " svelte-crnq0a");
    			add_location(button, file$3, 78, 12, 1821);
    			attr_dev(div5, "class", "login-button-container svelte-crnq0a");
    			add_location(div5, file$3, 77, 8, 1772);
    			attr_dev(div6, "class", "content svelte-crnq0a");
    			add_location(div6, file$3, 54, 4, 1130);
    			attr_dev(div7, "class", "root svelte-crnq0a");
    			add_location(div7, file$3, 52, 0, 1106);

    			dispose = [
    				listen_dev(input0, "input", ctx.input0_input_handler),
    				listen_dev(input1, "input", ctx.input1_input_handler),
    				listen_dev(button, "click", ctx.login)
    			];
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div7, anchor);
    			append_dev(div7, div6);
    			if (if_block0) if_block0.m(div6, null);
    			append_dev(div6, t0);
    			append_dev(div6, div4);
    			append_dev(div4, div0);
    			append_dev(div0, t1);
    			append_dev(div4, t2);
    			append_dev(div4, div1);
    			append_dev(div1, input0);

    			set_input_value(input0, ctx.username);

    			append_dev(div4, t3);
    			append_dev(div4, div2);
    			append_dev(div2, t4);
    			append_dev(div4, t5);
    			append_dev(div4, div3);
    			append_dev(div3, input1);

    			set_input_value(input1, ctx.password);

    			append_dev(div6, t6);
    			append_dev(div6, div5);
    			append_dev(div5, button);
    			append_dev(button, t7);
    			append_dev(div6, t8);
    			if (if_block1) if_block1.m(div6, null);
    		},

    		p: function update(changed, ctx) {
    			if (ctx._logo) {
    				if (if_block0) {
    					if_block0.p(changed, ctx);
    				} else {
    					if_block0 = create_if_block_1$1(ctx);
    					if_block0.c();
    					if_block0.m(div6, t0);
    				}
    			} else if (if_block0) {
    				if_block0.d(1);
    				if_block0 = null;
    			}

    			if (changed.usernameLabel) {
    				set_data_dev(t1, ctx.usernameLabel);
    			}

    			if (changed.username && (input0.value !== ctx.username)) set_input_value(input0, ctx.username);

    			if ((changed._inputClass) && input0_class_value !== (input0_class_value = "" + null_to_empty(ctx._inputClass) + " svelte-crnq0a")) {
    				attr_dev(input0, "class", input0_class_value);
    			}

    			if (changed.passwordLabel) {
    				set_data_dev(t4, ctx.passwordLabel);
    			}

    			if (changed.password && (input1.value !== ctx.password)) set_input_value(input1, ctx.password);

    			if ((changed._inputClass) && input1_class_value !== (input1_class_value = "" + null_to_empty(ctx._inputClass) + " svelte-crnq0a")) {
    				attr_dev(input1, "class", input1_class_value);
    			}

    			if (changed.loginButtonLabel) {
    				set_data_dev(t7, ctx.loginButtonLabel);
    			}

    			if (changed.busy) {
    				prop_dev(button, "disabled", ctx.busy);
    			}

    			if ((changed._buttonClass) && button_class_value !== (button_class_value = "" + null_to_empty(ctx._buttonClass) + " svelte-crnq0a")) {
    				attr_dev(button, "class", button_class_value);
    			}

    			if (ctx.incorrect) {
    				if (!if_block1) {
    					if_block1 = create_if_block$2(ctx);
    					if_block1.c();
    					if_block1.m(div6, null);
    				}
    			} else if (if_block1) {
    				if_block1.d(1);
    				if_block1 = null;
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div7);
    			}

    			if (if_block0) if_block0.d();
    			if (if_block1) if_block1.d();
    			run_all(dispose);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$3.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$3($$self, $$props, $$invalidate) {
    	

    let { usernameLabel = "Username", passwordLabel = "Password", loginButtonLabel = "Login", loginRedirect = "", logo = "", buttonClass = "", inputClass="", _bb } = $$props;

    let username = "";
    let password = "";
    let busy = false;
    let incorrect = false;
    let _logo = "";
    let _buttonClass = "";
    let _inputClass = "";

    const login = () => {
        $$invalidate('busy', busy = true);
        _bb.api.post("/api/authenticate", {username, password})
        .then(r => {
            $$invalidate('busy', busy = false);
            if(r.status === 200) {
                return r.json();
            } else {
                $$invalidate('incorrect', incorrect = true);
                return;
            }
        })
        .then(user => {
            if(user) {
                localStorage.setItem("budibase:user", JSON.stringify(user));
                location.reload();
            }
        });
    };

    	const writable_props = ['usernameLabel', 'passwordLabel', 'loginButtonLabel', 'loginRedirect', 'logo', 'buttonClass', 'inputClass', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Login> was created with unknown prop '${key}'`);
    	});

    	function input0_input_handler() {
    		username = this.value;
    		$$invalidate('username', username);
    	}

    	function input1_input_handler() {
    		password = this.value;
    		$$invalidate('password', password);
    	}

    	$$self.$set = $$props => {
    		if ('usernameLabel' in $$props) $$invalidate('usernameLabel', usernameLabel = $$props.usernameLabel);
    		if ('passwordLabel' in $$props) $$invalidate('passwordLabel', passwordLabel = $$props.passwordLabel);
    		if ('loginButtonLabel' in $$props) $$invalidate('loginButtonLabel', loginButtonLabel = $$props.loginButtonLabel);
    		if ('loginRedirect' in $$props) $$invalidate('loginRedirect', loginRedirect = $$props.loginRedirect);
    		if ('logo' in $$props) $$invalidate('logo', logo = $$props.logo);
    		if ('buttonClass' in $$props) $$invalidate('buttonClass', buttonClass = $$props.buttonClass);
    		if ('inputClass' in $$props) $$invalidate('inputClass', inputClass = $$props.inputClass);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { usernameLabel, passwordLabel, loginButtonLabel, loginRedirect, logo, buttonClass, inputClass, _bb, username, password, busy, incorrect, _logo, _buttonClass, _inputClass };
    	};

    	$$self.$inject_state = $$props => {
    		if ('usernameLabel' in $$props) $$invalidate('usernameLabel', usernameLabel = $$props.usernameLabel);
    		if ('passwordLabel' in $$props) $$invalidate('passwordLabel', passwordLabel = $$props.passwordLabel);
    		if ('loginButtonLabel' in $$props) $$invalidate('loginButtonLabel', loginButtonLabel = $$props.loginButtonLabel);
    		if ('loginRedirect' in $$props) $$invalidate('loginRedirect', loginRedirect = $$props.loginRedirect);
    		if ('logo' in $$props) $$invalidate('logo', logo = $$props.logo);
    		if ('buttonClass' in $$props) $$invalidate('buttonClass', buttonClass = $$props.buttonClass);
    		if ('inputClass' in $$props) $$invalidate('inputClass', inputClass = $$props.inputClass);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('username' in $$props) $$invalidate('username', username = $$props.username);
    		if ('password' in $$props) $$invalidate('password', password = $$props.password);
    		if ('busy' in $$props) $$invalidate('busy', busy = $$props.busy);
    		if ('incorrect' in $$props) $$invalidate('incorrect', incorrect = $$props.incorrect);
    		if ('_logo' in $$props) $$invalidate('_logo', _logo = $$props._logo);
    		if ('_buttonClass' in $$props) $$invalidate('_buttonClass', _buttonClass = $$props._buttonClass);
    		if ('_inputClass' in $$props) $$invalidate('_inputClass', _inputClass = $$props._inputClass);
    	};

    	$$self.$$.update = ($$dirty = { _bb: 1, logo: 1, buttonClass: 1, inputClass: 1 }) => {
    		if ($$dirty._bb || $$dirty.logo || $$dirty.buttonClass || $$dirty.inputClass) { {
                $$invalidate('_logo', _logo = _bb.relativeUrl(logo));
                $$invalidate('_buttonClass', _buttonClass = buttonClass || "default-button");
                $$invalidate('_inputClass', _inputClass = inputClass || "default-input");
            } }
    	};

    	return {
    		usernameLabel,
    		passwordLabel,
    		loginButtonLabel,
    		loginRedirect,
    		logo,
    		buttonClass,
    		inputClass,
    		_bb,
    		username,
    		password,
    		busy,
    		incorrect,
    		_logo,
    		_buttonClass,
    		_inputClass,
    		login,
    		input0_input_handler,
    		input1_input_handler
    	};
    }

    class Login extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$3, create_fragment$3, safe_not_equal, ["usernameLabel", "passwordLabel", "loginButtonLabel", "loginRedirect", "logo", "buttonClass", "inputClass", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Login", options, id: create_fragment$3.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Login> was created without expected prop '_bb'");
    		}
    	}

    	get usernameLabel() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set usernameLabel(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get passwordLabel() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set passwordLabel(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get loginButtonLabel() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set loginButtonLabel(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get loginRedirect() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set loginRedirect(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get logo() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set logo(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get buttonClass() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set buttonClass(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get inputClass() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set inputClass(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Login>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Login>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Grid.svelte generated by Svelte v3.12.1 */

    const file$4 = "src\\Grid.svelte";

    function get_each_context$1(ctx, list, i) {
    	const child_ctx = Object.create(ctx);
    	child_ctx.child = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    // (49:4) {#each children as child, index}
    function create_each_block$1(ctx) {
    	var div, index = ctx.index, div_class_value, div_style_value;

    	const assign_div = () => ctx.div_binding(div, index);
    	const unassign_div = () => ctx.div_binding(null, index);

    	const block = {
    		c: function create() {
    			div = element("div");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true, style: true }, false);
    			var div_nodes = children(div);

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", div_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-10kw8to");
    			attr_dev(div, "style", div_style_value = ctx.childStyle(ctx.child));
    			add_location(div, file$4, 49, 4, 1265);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			assign_div();
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if (index !== ctx.index) {
    				unassign_div();
    				index = ctx.index;
    				assign_div();
    			}

    			if ((changed.itemContainerClass) && div_class_value !== (div_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-10kw8to")) {
    				attr_dev(div, "class", div_class_value);
    			}

    			if ((changed.children) && div_style_value !== (div_style_value = ctx.childStyle(ctx.child))) {
    				attr_dev(div, "style", div_style_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			unassign_div();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block$1.name, type: "each", source: "(49:4) {#each children as child, index}", ctx });
    	return block;
    }

    function create_fragment$4(ctx) {
    	var div, div_class_value;

    	let each_value = ctx.children;

    	let each_blocks = [];

    	for (let i = 0; i < each_value.length; i += 1) {
    		each_blocks[i] = create_each_block$1(get_each_context$1(ctx, each_value, i));
    	}

    	const block = {
    		c: function create() {
    			div = element("div");

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true, style: true }, false);
    			var div_nodes = children(div);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(div_nodes);
    			}

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", div_class_value = "root " + ctx.containerClass + " svelte-10kw8to");
    			set_style(div, "width", ctx.width);
    			set_style(div, "height", ctx.height);
    			set_style(div, "grid-template-columns", ctx.gridTemplateColumns);
    			set_style(div, "grid-template-rows", ctx.gridTemplateRows);
    			add_location(div, file$4, 46, 0, 1052);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(div, null);
    			}
    		},

    		p: function update(changed, ctx) {
    			if (changed.itemContainerClass || changed.childStyle || changed.children || changed.htmlElements) {
    				each_value = ctx.children;

    				let i;
    				for (i = 0; i < each_value.length; i += 1) {
    					const child_ctx = get_each_context$1(ctx, each_value, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block$1(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(div, null);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value.length;
    			}

    			if ((changed.containerClass) && div_class_value !== (div_class_value = "root " + ctx.containerClass + " svelte-10kw8to")) {
    				attr_dev(div, "class", div_class_value);
    			}

    			if (changed.width) {
    				set_style(div, "width", ctx.width);
    			}

    			if (changed.height) {
    				set_style(div, "height", ctx.height);
    			}

    			if (changed.gridTemplateColumns) {
    				set_style(div, "grid-template-columns", ctx.gridTemplateColumns);
    			}

    			if (changed.gridTemplateRows) {
    				set_style(div, "grid-template-rows", ctx.gridTemplateRows);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			destroy_each(each_blocks, detaching);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$4.name, type: "component", source: "", ctx });
    	return block;
    }

    let style="";

    function instance$4($$self, $$props, $$invalidate) {
    	

    let { gridTemplateRows ="", gridTemplateColumns ="", children = [], width = "auto", height = "auto", containerClass="", itemContainerClass="", _bb } = $$props;
    let htmlElements = {};

    const childStyle = child => 
        buildStyle({
            "grid-column-start": child.gridColumnStart,
            "grid-column-end": child.gridColumnEnd,
            "grid-column": child.gridColumn,
            "grid-row-start": child.gridRowStart,
            "grid-row-end": child.gridRowStart,
            "grid-row": child.gridRow,
        });

    	const writable_props = ['gridTemplateRows', 'gridTemplateColumns', 'children', 'width', 'height', 'containerClass', 'itemContainerClass', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Grid> was created with unknown prop '${key}'`);
    	});

    	function div_binding($$value, index) {
    		if (htmlElements[index] === $$value) return;
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			htmlElements[index] = $$value;
    			$$invalidate('htmlElements', htmlElements);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('gridTemplateRows' in $$props) $$invalidate('gridTemplateRows', gridTemplateRows = $$props.gridTemplateRows);
    		if ('gridTemplateColumns' in $$props) $$invalidate('gridTemplateColumns', gridTemplateColumns = $$props.gridTemplateColumns);
    		if ('children' in $$props) $$invalidate('children', children = $$props.children);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('itemContainerClass' in $$props) $$invalidate('itemContainerClass', itemContainerClass = $$props.itemContainerClass);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { gridTemplateRows, gridTemplateColumns, children, width, height, containerClass, itemContainerClass, _bb, style, htmlElements };
    	};

    	$$self.$inject_state = $$props => {
    		if ('gridTemplateRows' in $$props) $$invalidate('gridTemplateRows', gridTemplateRows = $$props.gridTemplateRows);
    		if ('gridTemplateColumns' in $$props) $$invalidate('gridTemplateColumns', gridTemplateColumns = $$props.gridTemplateColumns);
    		if ('children' in $$props) $$invalidate('children', children = $$props.children);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('itemContainerClass' in $$props) $$invalidate('itemContainerClass', itemContainerClass = $$props.itemContainerClass);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('style' in $$props) style = $$props.style;
    		if ('htmlElements' in $$props) $$invalidate('htmlElements', htmlElements = $$props.htmlElements);
    	};

    	$$self.$$.update = ($$dirty = { _bb: 1, htmlElements: 1, children: 1 }) => {
    		if ($$dirty._bb || $$dirty.htmlElements || $$dirty.children) { {
                if(_bb && htmlElements) {
                    for(let el in htmlElements) {
                        _bb.hydrateComponent(
                            children[el].control,
                            htmlElements[el]
                        );
                    }
                }
            } }
    	};

    	return {
    		gridTemplateRows,
    		gridTemplateColumns,
    		children,
    		width,
    		height,
    		containerClass,
    		itemContainerClass,
    		_bb,
    		htmlElements,
    		childStyle,
    		div_binding
    	};
    }

    class Grid extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$4, create_fragment$4, safe_not_equal, ["gridTemplateRows", "gridTemplateColumns", "children", "width", "height", "containerClass", "itemContainerClass", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Grid", options, id: create_fragment$4.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Grid> was created without expected prop '_bb'");
    		}
    	}

    	get gridTemplateRows() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set gridTemplateRows(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get gridTemplateColumns() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set gridTemplateColumns(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get children() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set children(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get width() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set width(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get height() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set height(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get containerClass() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set containerClass(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get itemContainerClass() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set itemContainerClass(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Grid>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Grid>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Text.svelte generated by Svelte v3.12.1 */

    const file$5 = "src\\Text.svelte";

    function create_fragment$5(ctx) {
    	var div, t;

    	const block = {
    		c: function create() {
    			div = element("div");
    			t = text(ctx.value);
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true, style: true }, false);
    			var div_nodes = children(div);

    			t = claim_text(div_nodes, ctx.value);
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", ctx.containerClass);
    			attr_dev(div, "style", ctx.style);
    			add_location(div, file$5, 27, 0, 442);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			append_dev(div, t);
    		},

    		p: function update(changed, ctx) {
    			if (changed.value) {
    				set_data_dev(t, ctx.value);
    			}

    			if (changed.containerClass) {
    				attr_dev(div, "class", ctx.containerClass);
    			}

    			if (changed.style) {
    				attr_dev(div, "style", ctx.style);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$5.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$5($$self, $$props, $$invalidate) {
    	let { value="", containerClass="", font="", textAlign="", verticalAlign="", color="", display="", _bb } = $$props;

    let style="";

    	const writable_props = ['value', 'containerClass', 'font', 'textAlign', 'verticalAlign', 'color', 'display', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Text> was created with unknown prop '${key}'`);
    	});

    	$$self.$set = $$props => {
    		if ('value' in $$props) $$invalidate('value', value = $$props.value);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('font' in $$props) $$invalidate('font', font = $$props.font);
    		if ('textAlign' in $$props) $$invalidate('textAlign', textAlign = $$props.textAlign);
    		if ('verticalAlign' in $$props) $$invalidate('verticalAlign', verticalAlign = $$props.verticalAlign);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('display' in $$props) $$invalidate('display', display = $$props.display);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { value, containerClass, font, textAlign, verticalAlign, color, display, _bb, style };
    	};

    	$$self.$inject_state = $$props => {
    		if ('value' in $$props) $$invalidate('value', value = $$props.value);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('font' in $$props) $$invalidate('font', font = $$props.font);
    		if ('textAlign' in $$props) $$invalidate('textAlign', textAlign = $$props.textAlign);
    		if ('verticalAlign' in $$props) $$invalidate('verticalAlign', verticalAlign = $$props.verticalAlign);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('display' in $$props) $$invalidate('display', display = $$props.display);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('style' in $$props) $$invalidate('style', style = $$props.style);
    	};

    	$$self.$$.update = ($$dirty = { font: 1, verticalAlign: 1, color: 1, textAlign: 1 }) => {
    		if ($$dirty.font || $$dirty.verticalAlign || $$dirty.color || $$dirty.textAlign) { {
                $$invalidate('style', style=buildStyle({
                    font,  verticalAlign, color, 
                    "text-align": textAlign,
                    "vertical-align": verticalAlign
                }));
            } }
    	};

    	return {
    		value,
    		containerClass,
    		font,
    		textAlign,
    		verticalAlign,
    		color,
    		display,
    		_bb,
    		style
    	};
    }

    class Text extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$5, create_fragment$5, safe_not_equal, ["value", "containerClass", "font", "textAlign", "verticalAlign", "color", "display", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Text", options, id: create_fragment$5.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Text> was created without expected prop '_bb'");
    		}
    	}

    	get value() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set value(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get containerClass() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set containerClass(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get font() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set font(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get textAlign() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set textAlign(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get verticalAlign() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set verticalAlign(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get color() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set color(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get display() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set display(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Text>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Text>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Nav.svelte generated by Svelte v3.12.1 */
    const { Object: Object_1 } = globals;

    const file$6 = "src\\Nav.svelte";

    function get_each_context$2(ctx, list, i) {
    	const child_ctx = Object_1.create(ctx);
    	child_ctx.navItem = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    function get_each_context_1(ctx, list, i) {
    	const child_ctx = Object_1.create(ctx);
    	child_ctx.navItem = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    // (66:4) {#if !hideNavBar}
    function create_if_block$3(ctx) {
    	var div;

    	let each_value_1 = ctx.items;

    	let each_blocks = [];

    	for (let i = 0; i < each_value_1.length; i += 1) {
    		each_blocks[i] = create_each_block_1(get_each_context_1(ctx, each_value_1, i));
    	}

    	const block = {
    		c: function create() {
    			div = element("div");

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(div_nodes);
    			}

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", "navbar svelte-aihwli");
    			add_location(div, file$6, 66, 4, 1771);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(div, null);
    			}
    		},

    		p: function update(changed, ctx) {
    			if (changed.selectedIndex || changed.items) {
    				each_value_1 = ctx.items;

    				let i;
    				for (i = 0; i < each_value_1.length; i += 1) {
    					const child_ctx = get_each_context_1(ctx, each_value_1, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block_1(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(div, null);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value_1.length;
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			destroy_each(each_blocks, detaching);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block$3.name, type: "if", source: "(66:4) {#if !hideNavBar}", ctx });
    	return block;
    }

    // (68:8) {#each items as navItem, index}
    function create_each_block_1(ctx) {
    	var div, t0_value = ctx.navItem.title + "", t0, t1, dispose;

    	const block = {
    		c: function create() {
    			div = element("div");
    			t0 = text(t0_value);
    			t1 = space();
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			t0 = claim_text(div_nodes, t0_value);
    			t1 = claim_space(div_nodes);
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", "navitem svelte-aihwli");
    			toggle_class(div, "selected", ctx.selectedIndex === ctx.index);
    			add_location(div, file$6, 68, 8, 1842);
    			dispose = listen_dev(div, "click", ctx.onSelectItem(ctx.index));
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			append_dev(div, t0);
    			append_dev(div, t1);
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if ((changed.items) && t0_value !== (t0_value = ctx.navItem.title + "")) {
    				set_data_dev(t0, t0_value);
    			}

    			if (changed.selectedIndex) {
    				toggle_class(div, "selected", ctx.selectedIndex === ctx.index);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block_1.name, type: "each", source: "(68:8) {#each items as navItem, index}", ctx });
    	return block;
    }

    // (77:4) {#each items as navItem, index}
    function create_each_block$2(ctx) {
    	var div, index = ctx.index;

    	const assign_div = () => ctx.div_binding(div, index);
    	const unassign_div = () => ctx.div_binding(null, index);

    	const block = {
    		c: function create() {
    			div = element("div");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", "content svelte-aihwli");
    			add_location(div, file$6, 78, 4, 2093);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			assign_div();
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if (index !== ctx.index) {
    				unassign_div();
    				index = ctx.index;
    				assign_div();
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			unassign_div();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block$2.name, type: "each", source: "(77:4) {#each items as navItem, index}", ctx });
    	return block;
    }

    function create_fragment$6(ctx) {
    	var div, t, cssVars_action;

    	var if_block = (!ctx.hideNavBar) && create_if_block$3(ctx);

    	let each_value = ctx.items;

    	let each_blocks = [];

    	for (let i = 0; i < each_value.length; i += 1) {
    		each_blocks[i] = create_each_block$2(get_each_context$2(ctx, each_value, i));
    	}

    	const block = {
    		c: function create() {
    			div = element("div");
    			if (if_block) if_block.c();
    			t = space();

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true }, false);
    			var div_nodes = children(div);

    			if (if_block) if_block.l(div_nodes);
    			t = claim_space(div_nodes);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(div_nodes);
    			}

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", "root svelte-aihwli");
    			add_location(div, file$6, 64, 0, 1700);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			if (if_block) if_block.m(div, null);
    			append_dev(div, t);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(div, null);
    			}

    			cssVars_action = cssVars.call(null, div, ctx.styleVars) || {};
    		},

    		p: function update(changed, ctx) {
    			if (!ctx.hideNavBar) {
    				if (if_block) {
    					if_block.p(changed, ctx);
    				} else {
    					if_block = create_if_block$3(ctx);
    					if_block.c();
    					if_block.m(div, t);
    				}
    			} else if (if_block) {
    				if_block.d(1);
    				if_block = null;
    			}

    			if (changed.componentElements || changed.items) {
    				each_value = ctx.items;

    				let i;
    				for (i = 0; i < each_value.length; i += 1) {
    					const child_ctx = get_each_context$2(ctx, each_value, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block$2(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(div, null);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value.length;
    			}

    			if (typeof cssVars_action.update === 'function' && changed.styleVars) {
    				cssVars_action.update.call(null, ctx.styleVars);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			if (if_block) if_block.d();

    			destroy_each(each_blocks, detaching);

    			if (cssVars_action && typeof cssVars_action.destroy === 'function') cssVars_action.destroy();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$6.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$6($$self, $$props, $$invalidate) {
    	let { navBarBackground = "", navBarBorder="", navBarColor="", selectedItemBackground="", selectedItemColor="", selectedItemBorder="", itemHoverBackground="", itemHoverColor="", items = [], hideNavBar=false, selectedItem="", _bb } = $$props;

    let selectedIndex = -1;
    let styleVars={};
    let components = {};
    let componentElements = {};


    const hasComponentElements = () => 
        Object.getOwnPropertyNames(componentElements).length > 0;

    const onSelectItem = (index) => () => {
        $$invalidate('selectedIndex', selectedIndex = index);
        if(!components[index]) {
            const comp = _bb.hydrateComponent(
                items[index].component, componentElements[index]);
            components[index] = comp;   
        }
    };

    	const writable_props = ['navBarBackground', 'navBarBorder', 'navBarColor', 'selectedItemBackground', 'selectedItemColor', 'selectedItemBorder', 'itemHoverBackground', 'itemHoverColor', 'items', 'hideNavBar', 'selectedItem', '_bb'];
    	Object_1.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Nav> was created with unknown prop '${key}'`);
    	});

    	function div_binding($$value, index) {
    		if (componentElements[index] === $$value) return;
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			componentElements[index] = $$value;
    			$$invalidate('componentElements', componentElements);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('navBarBackground' in $$props) $$invalidate('navBarBackground', navBarBackground = $$props.navBarBackground);
    		if ('navBarBorder' in $$props) $$invalidate('navBarBorder', navBarBorder = $$props.navBarBorder);
    		if ('navBarColor' in $$props) $$invalidate('navBarColor', navBarColor = $$props.navBarColor);
    		if ('selectedItemBackground' in $$props) $$invalidate('selectedItemBackground', selectedItemBackground = $$props.selectedItemBackground);
    		if ('selectedItemColor' in $$props) $$invalidate('selectedItemColor', selectedItemColor = $$props.selectedItemColor);
    		if ('selectedItemBorder' in $$props) $$invalidate('selectedItemBorder', selectedItemBorder = $$props.selectedItemBorder);
    		if ('itemHoverBackground' in $$props) $$invalidate('itemHoverBackground', itemHoverBackground = $$props.itemHoverBackground);
    		if ('itemHoverColor' in $$props) $$invalidate('itemHoverColor', itemHoverColor = $$props.itemHoverColor);
    		if ('items' in $$props) $$invalidate('items', items = $$props.items);
    		if ('hideNavBar' in $$props) $$invalidate('hideNavBar', hideNavBar = $$props.hideNavBar);
    		if ('selectedItem' in $$props) $$invalidate('selectedItem', selectedItem = $$props.selectedItem);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { navBarBackground, navBarBorder, navBarColor, selectedItemBackground, selectedItemColor, selectedItemBorder, itemHoverBackground, itemHoverColor, items, hideNavBar, selectedItem, _bb, selectedIndex, styleVars, components, componentElements };
    	};

    	$$self.$inject_state = $$props => {
    		if ('navBarBackground' in $$props) $$invalidate('navBarBackground', navBarBackground = $$props.navBarBackground);
    		if ('navBarBorder' in $$props) $$invalidate('navBarBorder', navBarBorder = $$props.navBarBorder);
    		if ('navBarColor' in $$props) $$invalidate('navBarColor', navBarColor = $$props.navBarColor);
    		if ('selectedItemBackground' in $$props) $$invalidate('selectedItemBackground', selectedItemBackground = $$props.selectedItemBackground);
    		if ('selectedItemColor' in $$props) $$invalidate('selectedItemColor', selectedItemColor = $$props.selectedItemColor);
    		if ('selectedItemBorder' in $$props) $$invalidate('selectedItemBorder', selectedItemBorder = $$props.selectedItemBorder);
    		if ('itemHoverBackground' in $$props) $$invalidate('itemHoverBackground', itemHoverBackground = $$props.itemHoverBackground);
    		if ('itemHoverColor' in $$props) $$invalidate('itemHoverColor', itemHoverColor = $$props.itemHoverColor);
    		if ('items' in $$props) $$invalidate('items', items = $$props.items);
    		if ('hideNavBar' in $$props) $$invalidate('hideNavBar', hideNavBar = $$props.hideNavBar);
    		if ('selectedItem' in $$props) $$invalidate('selectedItem', selectedItem = $$props.selectedItem);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('selectedIndex' in $$props) $$invalidate('selectedIndex', selectedIndex = $$props.selectedIndex);
    		if ('styleVars' in $$props) $$invalidate('styleVars', styleVars = $$props.styleVars);
    		if ('components' in $$props) components = $$props.components;
    		if ('componentElements' in $$props) $$invalidate('componentElements', componentElements = $$props.componentElements);
    	};

    	$$self.$$.update = ($$dirty = { navBarBackground: 1, navBarBorder: 1, navBarColor: 1, selectedItemBackground: 1, selectedItemColor: 1, selectedItemBorder: 1, itemHoverBackground: 1, itemHoverColor: 1, items: 1, selectedIndex: 1, selectedItem: 1 }) => {
    		if ($$dirty.navBarBackground || $$dirty.navBarBorder || $$dirty.navBarColor || $$dirty.selectedItemBackground || $$dirty.selectedItemColor || $$dirty.selectedItemBorder || $$dirty.itemHoverBackground || $$dirty.itemHoverColor || $$dirty.items || $$dirty.selectedIndex || $$dirty.selectedItem) { {
                $$invalidate('styleVars', styleVars = {
                    navBarBackground, navBarBorder,
                    navBarColor, selectedItemBackground,
                    selectedItemColor, selectedItemBorder,
                    itemHoverBackground, itemHoverColor
                });
            
                if(items && items.length > 0 && hasComponentElements()) {
                    const currentSelectedItem = selectedIndex > 0
                                               ? items[selectedIndex].title
                                               : "";
                    if(selectedItem && currentSelectedItem !== selectedItem) {
                        let i=0;
                        for(let item of items) {
                            if(item.title === selectedItem) {
                                onSelectItem(i)();
                            }
                            i++;
                        }
                    }
                }
            } }
    	};

    	return {
    		navBarBackground,
    		navBarBorder,
    		navBarColor,
    		selectedItemBackground,
    		selectedItemColor,
    		selectedItemBorder,
    		itemHoverBackground,
    		itemHoverColor,
    		items,
    		hideNavBar,
    		selectedItem,
    		_bb,
    		selectedIndex,
    		styleVars,
    		componentElements,
    		onSelectItem,
    		div_binding
    	};
    }

    class Nav extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$6, create_fragment$6, safe_not_equal, ["navBarBackground", "navBarBorder", "navBarColor", "selectedItemBackground", "selectedItemColor", "selectedItemBorder", "itemHoverBackground", "itemHoverColor", "items", "hideNavBar", "selectedItem", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Nav", options, id: create_fragment$6.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Nav> was created without expected prop '_bb'");
    		}
    	}

    	get navBarBackground() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set navBarBackground(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get navBarBorder() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set navBarBorder(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get navBarColor() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set navBarColor(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get selectedItemBackground() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set selectedItemBackground(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get selectedItemColor() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set selectedItemColor(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get selectedItemBorder() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set selectedItemBorder(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get itemHoverBackground() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set itemHoverBackground(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get itemHoverColor() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set itemHoverColor(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get items() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set items(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hideNavBar() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hideNavBar(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get selectedItem() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set selectedItem(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Nav>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Nav>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Panel.svelte generated by Svelte v3.12.1 */

    const file$7 = "src\\Panel.svelte";

    function create_fragment$7(ctx) {
    	var div, t_value = ctx.component && ctx.component._component ? "" : ctx.text + "", t, div_class_value, cssVars_action, dispose;

    	const block = {
    		c: function create() {
    			div = element("div");
    			t = text(t_value);
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true, style: true }, false);
    			var div_nodes = children(div);

    			t = claim_text(div_nodes, t_value);
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", div_class_value = "" + ctx.containerClass + " panel" + " svelte-1nuhpxd");
    			attr_dev(div, "style", ctx.style);
    			add_location(div, file$7, 57, 0, 1219);
    			dispose = listen_dev(div, "click", ctx.clickHandler);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			append_dev(div, t);
    			ctx.div_binding(div);
    			cssVars_action = cssVars.call(null, div, ctx.styleVars) || {};
    		},

    		p: function update(changed, ctx) {
    			if ((changed.component || changed.text) && t_value !== (t_value = ctx.component && ctx.component._component ? "" : ctx.text + "")) {
    				set_data_dev(t, t_value);
    			}

    			if ((changed.containerClass) && div_class_value !== (div_class_value = "" + ctx.containerClass + " panel" + " svelte-1nuhpxd")) {
    				attr_dev(div, "class", div_class_value);
    			}

    			if (changed.style) {
    				attr_dev(div, "style", ctx.style);
    			}

    			if (typeof cssVars_action.update === 'function' && changed.styleVars) {
    				cssVars_action.update.call(null, ctx.styleVars);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			ctx.div_binding(null);
    			if (cssVars_action && typeof cssVars_action.destroy === 'function') cssVars_action.destroy();
    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$7.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$7($$self, $$props, $$invalidate) {
    	

    let { component="", text="", containerClass="", background="", border="", borderRadius="", font="", display="", textAlign="", color="", padding="", margin="", hoverBackground="", hoverColor="", onClick, height, width, _bb } = $$props;

    let styleVars;
    let style="";
    let componentElement;
    let componentInitialised=false;

    const clickHandler = () => {
        if(onClick) {
            _bb.call(onClick);
        }
    };

    	const writable_props = ['component', 'text', 'containerClass', 'background', 'border', 'borderRadius', 'font', 'display', 'textAlign', 'color', 'padding', 'margin', 'hoverBackground', 'hoverColor', 'onClick', 'height', 'width', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Panel> was created with unknown prop '${key}'`);
    	});

    	function div_binding($$value) {
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			$$invalidate('componentElement', componentElement = $$value);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('component' in $$props) $$invalidate('component', component = $$props.component);
    		if ('text' in $$props) $$invalidate('text', text = $$props.text);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('background' in $$props) $$invalidate('background', background = $$props.background);
    		if ('border' in $$props) $$invalidate('border', border = $$props.border);
    		if ('borderRadius' in $$props) $$invalidate('borderRadius', borderRadius = $$props.borderRadius);
    		if ('font' in $$props) $$invalidate('font', font = $$props.font);
    		if ('display' in $$props) $$invalidate('display', display = $$props.display);
    		if ('textAlign' in $$props) $$invalidate('textAlign', textAlign = $$props.textAlign);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('padding' in $$props) $$invalidate('padding', padding = $$props.padding);
    		if ('margin' in $$props) $$invalidate('margin', margin = $$props.margin);
    		if ('hoverBackground' in $$props) $$invalidate('hoverBackground', hoverBackground = $$props.hoverBackground);
    		if ('hoverColor' in $$props) $$invalidate('hoverColor', hoverColor = $$props.hoverColor);
    		if ('onClick' in $$props) $$invalidate('onClick', onClick = $$props.onClick);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { component, text, containerClass, background, border, borderRadius, font, display, textAlign, color, padding, margin, hoverBackground, hoverColor, onClick, height, width, _bb, styleVars, style, componentElement, componentInitialised };
    	};

    	$$self.$inject_state = $$props => {
    		if ('component' in $$props) $$invalidate('component', component = $$props.component);
    		if ('text' in $$props) $$invalidate('text', text = $$props.text);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('background' in $$props) $$invalidate('background', background = $$props.background);
    		if ('border' in $$props) $$invalidate('border', border = $$props.border);
    		if ('borderRadius' in $$props) $$invalidate('borderRadius', borderRadius = $$props.borderRadius);
    		if ('font' in $$props) $$invalidate('font', font = $$props.font);
    		if ('display' in $$props) $$invalidate('display', display = $$props.display);
    		if ('textAlign' in $$props) $$invalidate('textAlign', textAlign = $$props.textAlign);
    		if ('color' in $$props) $$invalidate('color', color = $$props.color);
    		if ('padding' in $$props) $$invalidate('padding', padding = $$props.padding);
    		if ('margin' in $$props) $$invalidate('margin', margin = $$props.margin);
    		if ('hoverBackground' in $$props) $$invalidate('hoverBackground', hoverBackground = $$props.hoverBackground);
    		if ('hoverColor' in $$props) $$invalidate('hoverColor', hoverColor = $$props.hoverColor);
    		if ('onClick' in $$props) $$invalidate('onClick', onClick = $$props.onClick);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('styleVars' in $$props) $$invalidate('styleVars', styleVars = $$props.styleVars);
    		if ('style' in $$props) $$invalidate('style', style = $$props.style);
    		if ('componentElement' in $$props) $$invalidate('componentElement', componentElement = $$props.componentElement);
    		if ('componentInitialised' in $$props) $$invalidate('componentInitialised', componentInitialised = $$props.componentInitialised);
    	};

    	$$self.$$.update = ($$dirty = { border: 1, background: 1, font: 1, margin: 1, padding: 1, display: 1, color: 1, height: 1, width: 1, textAlign: 1, borderRadius: 1, onClick: 1, _bb: 1, component: 1, componentElement: 1, componentInitialised: 1, hoverBackground: 1, hoverColor: 1 }) => {
    		if ($$dirty.border || $$dirty.background || $$dirty.font || $$dirty.margin || $$dirty.padding || $$dirty.display || $$dirty.color || $$dirty.height || $$dirty.width || $$dirty.textAlign || $$dirty.borderRadius || $$dirty.onClick || $$dirty._bb || $$dirty.component || $$dirty.componentElement || $$dirty.componentInitialised || $$dirty.hoverBackground || $$dirty.hoverColor) { {
                $$invalidate('style', style=buildStyle({
                    border, background, font, margin,
                    padding, display, color, height, width,
                    "text-align": textAlign,
                    "border-radius":borderRadius,
                    cursor: onClick ? "pointer" : "none"
                }));
            
                if(_bb && component && componentElement && !componentInitialised) {
                    _bb.hydrateComponent(component, componentElement);
                    $$invalidate('componentInitialised', componentInitialised = true);
                }
            
                $$invalidate('styleVars', styleVars = {
                    hoverBackground:hoverBackground || background, 
                    hoverColor:hoverColor || color
                });
            } }
    	};

    	return {
    		component,
    		text,
    		containerClass,
    		background,
    		border,
    		borderRadius,
    		font,
    		display,
    		textAlign,
    		color,
    		padding,
    		margin,
    		hoverBackground,
    		hoverColor,
    		onClick,
    		height,
    		width,
    		_bb,
    		styleVars,
    		style,
    		componentElement,
    		clickHandler,
    		div_binding
    	};
    }

    class Panel extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$7, create_fragment$7, safe_not_equal, ["component", "text", "containerClass", "background", "border", "borderRadius", "font", "display", "textAlign", "color", "padding", "margin", "hoverBackground", "hoverColor", "onClick", "height", "width", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Panel", options, id: create_fragment$7.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx.onClick === undefined && !('onClick' in props)) {
    			console.warn("<Panel> was created without expected prop 'onClick'");
    		}
    		if (ctx.height === undefined && !('height' in props)) {
    			console.warn("<Panel> was created without expected prop 'height'");
    		}
    		if (ctx.width === undefined && !('width' in props)) {
    			console.warn("<Panel> was created without expected prop 'width'");
    		}
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Panel> was created without expected prop '_bb'");
    		}
    	}

    	get component() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set component(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get text() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set text(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get containerClass() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set containerClass(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get background() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set background(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get border() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set border(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get borderRadius() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set borderRadius(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get font() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set font(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get display() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set display(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get textAlign() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set textAlign(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get color() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set color(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get padding() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set padding(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get margin() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set margin(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hoverBackground() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hoverBackground(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get hoverColor() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set hoverColor(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get onClick() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set onClick(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get height() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set height(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get width() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set width(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Panel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Panel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\StackPanel.svelte generated by Svelte v3.12.1 */
    const { Object: Object_1$1 } = globals;

    const file$8 = "src\\StackPanel.svelte";

    function get_each_context$3(ctx, list, i) {
    	const child_ctx = Object_1$1.create(ctx);
    	child_ctx.child = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    function get_each_context_1$1(ctx, list, i) {
    	const child_ctx = Object_1$1.create(ctx);
    	child_ctx.child = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    // (84:4) {#if children}
    function create_if_block_1$2(ctx) {
    	var each_1_anchor;

    	let each_value_1 = ctx.children;

    	let each_blocks = [];

    	for (let i = 0; i < each_value_1.length; i += 1) {
    		each_blocks[i] = create_each_block_1$1(get_each_context_1$1(ctx, each_value_1, i));
    	}

    	const block = {
    		c: function create() {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}

    			each_1_anchor = empty();
    		},

    		l: function claim(nodes) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(nodes);
    			}

    			each_1_anchor = empty();
    		},

    		m: function mount(target, anchor) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(target, anchor);
    			}

    			insert_dev(target, each_1_anchor, anchor);
    		},

    		p: function update(changed, ctx) {
    			if (changed.direction || changed.itemContainerClass || changed.staticHtmlElements || changed.children) {
    				each_value_1 = ctx.children;

    				let i;
    				for (i = 0; i < each_value_1.length; i += 1) {
    					const child_ctx = get_each_context_1$1(ctx, each_value_1, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block_1$1(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value_1.length;
    			}
    		},

    		d: function destroy(detaching) {
    			destroy_each(each_blocks, detaching);

    			if (detaching) {
    				detach_dev(each_1_anchor);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block_1$2.name, type: "if", source: "(84:4) {#if children}", ctx });
    	return block;
    }

    // (85:4) {#each children as child, index}
    function create_each_block_1$1(ctx) {
    	var div1, div0, index = ctx.index, div0_class_value, t, div1_class_value;

    	const assign_div0 = () => ctx.div0_binding(div0, index);
    	const unassign_div0 = () => ctx.div0_binding(null, index);

    	const block = {
    		c: function create() {
    			div1 = element("div");
    			div0 = element("div");
    			t = space();
    			this.h();
    		},

    		l: function claim(nodes) {
    			div1 = claim_element(nodes, "DIV", { class: true }, false);
    			var div1_nodes = children(div1);

    			div0 = claim_element(div1_nodes, "DIV", { class: true }, false);
    			var div0_nodes = children(div0);

    			div0_nodes.forEach(detach_dev);
    			t = claim_space(div1_nodes);
    			div1_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div0, "class", div0_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-osi0db");
    			add_location(div0, file$8, 86, 8, 1928);
    			attr_dev(div1, "class", div1_class_value = "" + null_to_empty(ctx.direction) + " svelte-osi0db");
    			add_location(div1, file$8, 85, 4, 1896);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div1, anchor);
    			append_dev(div1, div0);
    			assign_div0();
    			append_dev(div1, t);
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if (index !== ctx.index) {
    				unassign_div0();
    				index = ctx.index;
    				assign_div0();
    			}

    			if ((changed.itemContainerClass) && div0_class_value !== (div0_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-osi0db")) {
    				attr_dev(div0, "class", div0_class_value);
    			}

    			if ((changed.direction) && div1_class_value !== (div1_class_value = "" + null_to_empty(ctx.direction) + " svelte-osi0db")) {
    				attr_dev(div1, "class", div1_class_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div1);
    			}

    			unassign_div0();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block_1$1.name, type: "each", source: "(85:4) {#each children as child, index}", ctx });
    	return block;
    }

    // (94:4) {#if data && data.length > 0}
    function create_if_block$4(ctx) {
    	var each_1_anchor;

    	let each_value = ctx.data;

    	let each_blocks = [];

    	for (let i = 0; i < each_value.length; i += 1) {
    		each_blocks[i] = create_each_block$3(get_each_context$3(ctx, each_value, i));
    	}

    	const block = {
    		c: function create() {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}

    			each_1_anchor = empty();
    		},

    		l: function claim(nodes) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(nodes);
    			}

    			each_1_anchor = empty();
    		},

    		m: function mount(target, anchor) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(target, anchor);
    			}

    			insert_dev(target, each_1_anchor, anchor);
    		},

    		p: function update(changed, ctx) {
    			if (changed.direction || changed.itemContainerClass || changed.dataBoundElements || changed.data) {
    				each_value = ctx.data;

    				let i;
    				for (i = 0; i < each_value.length; i += 1) {
    					const child_ctx = get_each_context$3(ctx, each_value, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block$3(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value.length;
    			}
    		},

    		d: function destroy(detaching) {
    			destroy_each(each_blocks, detaching);

    			if (detaching) {
    				detach_dev(each_1_anchor);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block$4.name, type: "if", source: "(94:4) {#if data && data.length > 0}", ctx });
    	return block;
    }

    // (95:4) {#each data as child, index}
    function create_each_block$3(ctx) {
    	var div1, div0, index = ctx.index, div0_class_value, t, div1_class_value;

    	const assign_div0 = () => ctx.div0_binding_1(div0, index);
    	const unassign_div0 = () => ctx.div0_binding_1(null, index);

    	const block = {
    		c: function create() {
    			div1 = element("div");
    			div0 = element("div");
    			t = space();
    			this.h();
    		},

    		l: function claim(nodes) {
    			div1 = claim_element(nodes, "DIV", { class: true }, false);
    			var div1_nodes = children(div1);

    			div0 = claim_element(div1_nodes, "DIV", { class: true }, false);
    			var div0_nodes = children(div0);

    			div0_nodes.forEach(detach_dev);
    			t = claim_space(div1_nodes);
    			div1_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div0, "class", div0_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-osi0db");
    			add_location(div0, file$8, 96, 8, 2165);
    			attr_dev(div1, "class", div1_class_value = "" + null_to_empty(ctx.direction) + " svelte-osi0db");
    			add_location(div1, file$8, 95, 4, 2133);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div1, anchor);
    			append_dev(div1, div0);
    			assign_div0();
    			append_dev(div1, t);
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if (index !== ctx.index) {
    				unassign_div0();
    				index = ctx.index;
    				assign_div0();
    			}

    			if ((changed.itemContainerClass) && div0_class_value !== (div0_class_value = "" + null_to_empty(ctx.itemContainerClass) + " svelte-osi0db")) {
    				attr_dev(div0, "class", div0_class_value);
    			}

    			if ((changed.direction) && div1_class_value !== (div1_class_value = "" + null_to_empty(ctx.direction) + " svelte-osi0db")) {
    				attr_dev(div1, "class", div1_class_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div1);
    			}

    			unassign_div0();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block$3.name, type: "each", source: "(95:4) {#each data as child, index}", ctx });
    	return block;
    }

    function create_fragment$8(ctx) {
    	var div, t, div_class_value;

    	var if_block0 = (ctx.children) && create_if_block_1$2(ctx);

    	var if_block1 = (ctx.data && ctx.data.length > 0) && create_if_block$4(ctx);

    	const block = {
    		c: function create() {
    			div = element("div");
    			if (if_block0) if_block0.c();
    			t = space();
    			if (if_block1) if_block1.c();
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { class: true, style: true }, false);
    			var div_nodes = children(div);

    			if (if_block0) if_block0.l(div_nodes);
    			t = claim_space(div_nodes);
    			if (if_block1) if_block1.l(div_nodes);
    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "class", div_class_value = "root " + ctx.containerClass + " svelte-osi0db");
    			set_style(div, "width", ctx.width);
    			set_style(div, "height", ctx.height);
    			add_location(div, file$8, 80, 0, 1753);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			if (if_block0) if_block0.m(div, null);
    			append_dev(div, t);
    			if (if_block1) if_block1.m(div, null);
    		},

    		p: function update(changed, ctx) {
    			if (ctx.children) {
    				if (if_block0) {
    					if_block0.p(changed, ctx);
    				} else {
    					if_block0 = create_if_block_1$2(ctx);
    					if_block0.c();
    					if_block0.m(div, t);
    				}
    			} else if (if_block0) {
    				if_block0.d(1);
    				if_block0 = null;
    			}

    			if (ctx.data && ctx.data.length > 0) {
    				if (if_block1) {
    					if_block1.p(changed, ctx);
    				} else {
    					if_block1 = create_if_block$4(ctx);
    					if_block1.c();
    					if_block1.m(div, null);
    				}
    			} else if (if_block1) {
    				if_block1.d(1);
    				if_block1 = null;
    			}

    			if ((changed.containerClass) && div_class_value !== (div_class_value = "root " + ctx.containerClass + " svelte-osi0db")) {
    				attr_dev(div, "class", div_class_value);
    			}

    			if (changed.width) {
    				set_style(div, "width", ctx.width);
    			}

    			if (changed.height) {
    				set_style(div, "height", ctx.height);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			if (if_block0) if_block0.d();
    			if (if_block1) if_block1.d();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$8.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$8($$self, $$props, $$invalidate) {
    	let { direction = "horizontal", children = [], width = "auto", height = "auto", containerClass="", itemContainerClass="", onLoad, data=[], dataItemComponent, _bb } = $$props;

    let staticHtmlElements = {};
    let staticComponents = {};
    let dataBoundElements = {};
    let dataBoundComponents = {};

    let onLoadCalled = false;

    const hasDataBoundComponents = () => 
        Object.getOwnPropertyNames(dataBoundComponents).length > 0;

    const hasData = () => 
        Array.isArray(data) && data.length > 0;

    const hasStaticComponents = () => {
        return Object.getOwnPropertyNames(staticComponents).length > 0;
    };

    	const writable_props = ['direction', 'children', 'width', 'height', 'containerClass', 'itemContainerClass', 'onLoad', 'data', 'dataItemComponent', '_bb'];
    	Object_1$1.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<StackPanel> was created with unknown prop '${key}'`);
    	});

    	function div0_binding($$value, index) {
    		if (staticHtmlElements[index] === $$value) return;
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			staticHtmlElements[index] = $$value;
    			$$invalidate('staticHtmlElements', staticHtmlElements);
    		});
    	}

    	function div0_binding_1($$value, index) {
    		if (dataBoundElements[index] === $$value) return;
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			dataBoundElements[index] = $$value;
    			$$invalidate('dataBoundElements', dataBoundElements);
    		});
    	}

    	$$self.$set = $$props => {
    		if ('direction' in $$props) $$invalidate('direction', direction = $$props.direction);
    		if ('children' in $$props) $$invalidate('children', children = $$props.children);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('itemContainerClass' in $$props) $$invalidate('itemContainerClass', itemContainerClass = $$props.itemContainerClass);
    		if ('onLoad' in $$props) $$invalidate('onLoad', onLoad = $$props.onLoad);
    		if ('data' in $$props) $$invalidate('data', data = $$props.data);
    		if ('dataItemComponent' in $$props) $$invalidate('dataItemComponent', dataItemComponent = $$props.dataItemComponent);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { direction, children, width, height, containerClass, itemContainerClass, onLoad, data, dataItemComponent, _bb, staticHtmlElements, staticComponents, dataBoundElements, dataBoundComponents, onLoadCalled };
    	};

    	$$self.$inject_state = $$props => {
    		if ('direction' in $$props) $$invalidate('direction', direction = $$props.direction);
    		if ('children' in $$props) $$invalidate('children', children = $$props.children);
    		if ('width' in $$props) $$invalidate('width', width = $$props.width);
    		if ('height' in $$props) $$invalidate('height', height = $$props.height);
    		if ('containerClass' in $$props) $$invalidate('containerClass', containerClass = $$props.containerClass);
    		if ('itemContainerClass' in $$props) $$invalidate('itemContainerClass', itemContainerClass = $$props.itemContainerClass);
    		if ('onLoad' in $$props) $$invalidate('onLoad', onLoad = $$props.onLoad);
    		if ('data' in $$props) $$invalidate('data', data = $$props.data);
    		if ('dataItemComponent' in $$props) $$invalidate('dataItemComponent', dataItemComponent = $$props.dataItemComponent);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('staticHtmlElements' in $$props) $$invalidate('staticHtmlElements', staticHtmlElements = $$props.staticHtmlElements);
    		if ('staticComponents' in $$props) $$invalidate('staticComponents', staticComponents = $$props.staticComponents);
    		if ('dataBoundElements' in $$props) $$invalidate('dataBoundElements', dataBoundElements = $$props.dataBoundElements);
    		if ('dataBoundComponents' in $$props) $$invalidate('dataBoundComponents', dataBoundComponents = $$props.dataBoundComponents);
    		if ('onLoadCalled' in $$props) $$invalidate('onLoadCalled', onLoadCalled = $$props.onLoadCalled);
    	};

    	$$self.$$.update = ($$dirty = { staticHtmlElements: 1, staticComponents: 1, _bb: 1, children: 1, dataBoundComponents: 1, dataBoundElements: 1, dataItemComponent: 1, data: 1, onLoadCalled: 1, onLoad: 1 }) => {
    		if ($$dirty.staticHtmlElements || $$dirty.staticComponents || $$dirty._bb || $$dirty.children || $$dirty.dataBoundComponents || $$dirty.dataBoundElements || $$dirty.dataItemComponent || $$dirty.data || $$dirty.onLoadCalled || $$dirty.onLoad) { {
            
                if(staticHtmlElements) {
                    if(hasStaticComponents()) {
                        for(let c in staticComponents) {
                            staticComponents[c].$destroy();
                        }
                        $$invalidate('staticComponents', staticComponents = {});
                    }
            
                    for(let el in staticHtmlElements) {
                        $$invalidate('staticComponents', staticComponents[el] = _bb.hydrateComponent(
                            children[el].control,
                            staticHtmlElements[el]
                        ), staticComponents);
                    }
                }
                
            
                if(hasDataBoundComponents()) {
                    for(let c in dataBoundComponents) {
                        dataBoundComponents[c].$destroy();
                    }
                    $$invalidate('dataBoundComponents', dataBoundComponents = {});
                }
            
                if(hasData()) {
                    for(let d in dataBoundElements) {
                        _bb.hydrateComponent(
                            dataItemComponent,
                            dataBoundElements[d],
                            data[parseInt(d)]
                        );
                    }
                }
            
                if(!onLoadCalled && onLoad && !onLoad.isPlaceholder) {
                    _bb.call(onLoad);
                    $$invalidate('onLoadCalled', onLoadCalled = true);
                }
            } }
    	};

    	return {
    		direction,
    		children,
    		width,
    		height,
    		containerClass,
    		itemContainerClass,
    		onLoad,
    		data,
    		dataItemComponent,
    		_bb,
    		staticHtmlElements,
    		dataBoundElements,
    		div0_binding,
    		div0_binding_1
    	};
    }

    class StackPanel extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$8, create_fragment$8, safe_not_equal, ["direction", "children", "width", "height", "containerClass", "itemContainerClass", "onLoad", "data", "dataItemComponent", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "StackPanel", options, id: create_fragment$8.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx.onLoad === undefined && !('onLoad' in props)) {
    			console.warn("<StackPanel> was created without expected prop 'onLoad'");
    		}
    		if (ctx.dataItemComponent === undefined && !('dataItemComponent' in props)) {
    			console.warn("<StackPanel> was created without expected prop 'dataItemComponent'");
    		}
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<StackPanel> was created without expected prop '_bb'");
    		}
    	}

    	get direction() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set direction(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get children() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set children(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get width() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set width(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get height() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set height(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get containerClass() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set containerClass(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get itemContainerClass() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set itemContainerClass(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get onLoad() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set onLoad(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get data() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set data(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get dataItemComponent() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set dataItemComponent(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<StackPanel>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<StackPanel>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    /* src\Table.svelte generated by Svelte v3.12.1 */

    const file$9 = "src\\Table.svelte";

    function get_each_context_1$2(ctx, list, i) {
    	const child_ctx = Object.create(ctx);
    	child_ctx.col = list[i];
    	child_ctx.index = i;
    	return child_ctx;
    }

    function get_each_context$4(ctx, list, i) {
    	const child_ctx = Object.create(ctx);
    	child_ctx.row = list[i];
    	return child_ctx;
    }

    function get_each_context_2(ctx, list, i) {
    	const child_ctx = Object.create(ctx);
    	child_ctx.col = list[i];
    	return child_ctx;
    }

    // (29:12) {#each columns as col}
    function create_each_block_2(ctx) {
    	var th, t_value = ctx.col.title + "", t, th_class_value;

    	const block = {
    		c: function create() {
    			th = element("th");
    			t = text(t_value);
    			this.h();
    		},

    		l: function claim(nodes) {
    			th = claim_element(nodes, "TH", { class: true }, false);
    			var th_nodes = children(th);

    			t = claim_text(th_nodes, t_value);
    			th_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(th, "class", th_class_value = "" + null_to_empty(ctx.thClass) + " svelte-h8rqk6");
    			add_location(th, file$9, 29, 12, 593);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, th, anchor);
    			append_dev(th, t);
    		},

    		p: function update(changed, ctx) {
    			if ((changed.columns) && t_value !== (t_value = ctx.col.title + "")) {
    				set_data_dev(t, t_value);
    			}

    			if ((changed.thClass) && th_class_value !== (th_class_value = "" + null_to_empty(ctx.thClass) + " svelte-h8rqk6")) {
    				attr_dev(th, "class", th_class_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(th);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block_2.name, type: "each", source: "(29:12) {#each columns as col}", ctx });
    	return block;
    }

    // (35:8) {#if data}
    function create_if_block$5(ctx) {
    	var each_1_anchor;

    	let each_value = ctx.data;

    	let each_blocks = [];

    	for (let i = 0; i < each_value.length; i += 1) {
    		each_blocks[i] = create_each_block$4(get_each_context$4(ctx, each_value, i));
    	}

    	const block = {
    		c: function create() {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}

    			each_1_anchor = empty();
    		},

    		l: function claim(nodes) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(nodes);
    			}

    			each_1_anchor = empty();
    		},

    		m: function mount(target, anchor) {
    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(target, anchor);
    			}

    			insert_dev(target, each_1_anchor, anchor);
    		},

    		p: function update(changed, ctx) {
    			if (changed.trClass || changed.columns || changed.thClass || changed.cellValue || changed.data) {
    				each_value = ctx.data;

    				let i;
    				for (i = 0; i < each_value.length; i += 1) {
    					const child_ctx = get_each_context$4(ctx, each_value, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block$4(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(each_1_anchor.parentNode, each_1_anchor);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value.length;
    			}
    		},

    		d: function destroy(detaching) {
    			destroy_each(each_blocks, detaching);

    			if (detaching) {
    				detach_dev(each_1_anchor);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_if_block$5.name, type: "if", source: "(35:8) {#if data}", ctx });
    	return block;
    }

    // (39:12) {#each columns as col, index}
    function create_each_block_1$2(ctx) {
    	var th, t_value = ctx.cellValue(ctx.index, ctx.row) + "", t, th_class_value;

    	const block = {
    		c: function create() {
    			th = element("th");
    			t = text(t_value);
    			this.h();
    		},

    		l: function claim(nodes) {
    			th = claim_element(nodes, "TH", { class: true }, false);
    			var th_nodes = children(th);

    			t = claim_text(th_nodes, t_value);
    			th_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(th, "class", th_class_value = "" + null_to_empty(ctx.thClass) + " svelte-h8rqk6");
    			add_location(th, file$9, 39, 12, 893);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, th, anchor);
    			append_dev(th, t);
    		},

    		p: function update(changed, ctx) {
    			if ((changed.data) && t_value !== (t_value = ctx.cellValue(ctx.index, ctx.row) + "")) {
    				set_data_dev(t, t_value);
    			}

    			if ((changed.thClass) && th_class_value !== (th_class_value = "" + null_to_empty(ctx.thClass) + " svelte-h8rqk6")) {
    				attr_dev(th, "class", th_class_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(th);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block_1$2.name, type: "each", source: "(39:12) {#each columns as col, index}", ctx });
    	return block;
    }

    // (36:8) {#each data as row}
    function create_each_block$4(ctx) {
    	var tr, t, tr_class_value, dispose;

    	let each_value_1 = ctx.columns;

    	let each_blocks = [];

    	for (let i = 0; i < each_value_1.length; i += 1) {
    		each_blocks[i] = create_each_block_1$2(get_each_context_1$2(ctx, each_value_1, i));
    	}

    	const block = {
    		c: function create() {
    			tr = element("tr");

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}

    			t = space();
    			this.h();
    		},

    		l: function claim(nodes) {
    			tr = claim_element(nodes, "TR", { class: true }, false);
    			var tr_nodes = children(tr);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(tr_nodes);
    			}

    			t = claim_space(tr_nodes);
    			tr_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(tr, "class", tr_class_value = "" + null_to_empty(ctx.trClass) + " svelte-h8rqk6");
    			add_location(tr, file$9, 36, 8, 770);
    			dispose = listen_dev(tr, "click", ctx.rowClickHandler(ctx.row));
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, tr, anchor);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(tr, null);
    			}

    			append_dev(tr, t);
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			if (changed.thClass || changed.cellValue || changed.data || changed.columns) {
    				each_value_1 = ctx.columns;

    				let i;
    				for (i = 0; i < each_value_1.length; i += 1) {
    					const child_ctx = get_each_context_1$2(ctx, each_value_1, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block_1$2(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(tr, t);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value_1.length;
    			}

    			if ((changed.trClass) && tr_class_value !== (tr_class_value = "" + null_to_empty(ctx.trClass) + " svelte-h8rqk6")) {
    				attr_dev(tr, "class", tr_class_value);
    			}
    		},

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(tr);
    			}

    			destroy_each(each_blocks, detaching);

    			dispose();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_each_block$4.name, type: "each", source: "(36:8) {#each data as row}", ctx });
    	return block;
    }

    function create_fragment$9(ctx) {
    	var table, thead, tr, tr_class_value, thead_class_value, t, tbody, tbody_class_value, table_class_value;

    	let each_value_2 = ctx.columns;

    	let each_blocks = [];

    	for (let i = 0; i < each_value_2.length; i += 1) {
    		each_blocks[i] = create_each_block_2(get_each_context_2(ctx, each_value_2, i));
    	}

    	var if_block = (ctx.data) && create_if_block$5(ctx);

    	const block = {
    		c: function create() {
    			table = element("table");
    			thead = element("thead");
    			tr = element("tr");

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].c();
    			}

    			t = space();
    			tbody = element("tbody");
    			if (if_block) if_block.c();
    			this.h();
    		},

    		l: function claim(nodes) {
    			table = claim_element(nodes, "TABLE", { class: true }, false);
    			var table_nodes = children(table);

    			thead = claim_element(table_nodes, "THEAD", { class: true }, false);
    			var thead_nodes = children(thead);

    			tr = claim_element(thead_nodes, "TR", { class: true }, false);
    			var tr_nodes = children(tr);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].l(tr_nodes);
    			}

    			tr_nodes.forEach(detach_dev);
    			thead_nodes.forEach(detach_dev);
    			t = claim_space(table_nodes);

    			tbody = claim_element(table_nodes, "TBODY", { class: true }, false);
    			var tbody_nodes = children(tbody);

    			if (if_block) if_block.l(tbody_nodes);
    			tbody_nodes.forEach(detach_dev);
    			table_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(tr, "class", tr_class_value = "" + null_to_empty(ctx.trClass) + " svelte-h8rqk6");
    			add_location(tr, file$9, 27, 8, 523);
    			attr_dev(thead, "class", thead_class_value = "" + null_to_empty(ctx.theadClass) + " svelte-h8rqk6");
    			add_location(thead, file$9, 26, 4, 487);
    			attr_dev(tbody, "class", tbody_class_value = "" + null_to_empty(ctx.tbodyClass) + " svelte-h8rqk6");
    			add_location(tbody, file$9, 33, 4, 685);
    			attr_dev(table, "class", table_class_value = "" + null_to_empty(ctx.tableClass) + " svelte-h8rqk6");
    			add_location(table, file$9, 25, 1, 455);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, table, anchor);
    			append_dev(table, thead);
    			append_dev(thead, tr);

    			for (let i = 0; i < each_blocks.length; i += 1) {
    				each_blocks[i].m(tr, null);
    			}

    			append_dev(table, t);
    			append_dev(table, tbody);
    			if (if_block) if_block.m(tbody, null);
    		},

    		p: function update(changed, ctx) {
    			if (changed.thClass || changed.columns) {
    				each_value_2 = ctx.columns;

    				let i;
    				for (i = 0; i < each_value_2.length; i += 1) {
    					const child_ctx = get_each_context_2(ctx, each_value_2, i);

    					if (each_blocks[i]) {
    						each_blocks[i].p(changed, child_ctx);
    					} else {
    						each_blocks[i] = create_each_block_2(child_ctx);
    						each_blocks[i].c();
    						each_blocks[i].m(tr, null);
    					}
    				}

    				for (; i < each_blocks.length; i += 1) {
    					each_blocks[i].d(1);
    				}
    				each_blocks.length = each_value_2.length;
    			}

    			if ((changed.trClass) && tr_class_value !== (tr_class_value = "" + null_to_empty(ctx.trClass) + " svelte-h8rqk6")) {
    				attr_dev(tr, "class", tr_class_value);
    			}

    			if ((changed.theadClass) && thead_class_value !== (thead_class_value = "" + null_to_empty(ctx.theadClass) + " svelte-h8rqk6")) {
    				attr_dev(thead, "class", thead_class_value);
    			}

    			if (ctx.data) {
    				if (if_block) {
    					if_block.p(changed, ctx);
    				} else {
    					if_block = create_if_block$5(ctx);
    					if_block.c();
    					if_block.m(tbody, null);
    				}
    			} else if (if_block) {
    				if_block.d(1);
    				if_block = null;
    			}

    			if ((changed.tbodyClass) && tbody_class_value !== (tbody_class_value = "" + null_to_empty(ctx.tbodyClass) + " svelte-h8rqk6")) {
    				attr_dev(tbody, "class", tbody_class_value);
    			}

    			if ((changed.tableClass) && table_class_value !== (table_class_value = "" + null_to_empty(ctx.tableClass) + " svelte-h8rqk6")) {
    				attr_dev(table, "class", table_class_value);
    			}
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(table);
    			}

    			destroy_each(each_blocks, detaching);

    			if (if_block) if_block.d();
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$9.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$9($$self, $$props, $$invalidate) {
    	let { columns=[], data="", tableClass="", theadClass="", tbodyClass="", trClass="", thClass="", onRowClick, _bb } = $$props;

    const rowClickHandler = (row) => () => {
        _bb.call(onRowClick, row);
    };

    const cellValue = (colIndex, row) => 
        _bb.getStateOrValue(
            _bb.bindings.columns[colIndex].value
            , row);

    	const writable_props = ['columns', 'data', 'tableClass', 'theadClass', 'tbodyClass', 'trClass', 'thClass', 'onRowClick', '_bb'];
    	Object.keys($$props).forEach(key => {
    		if (!writable_props.includes(key) && !key.startsWith('$$')) console.warn(`<Table> was created with unknown prop '${key}'`);
    	});

    	$$self.$set = $$props => {
    		if ('columns' in $$props) $$invalidate('columns', columns = $$props.columns);
    		if ('data' in $$props) $$invalidate('data', data = $$props.data);
    		if ('tableClass' in $$props) $$invalidate('tableClass', tableClass = $$props.tableClass);
    		if ('theadClass' in $$props) $$invalidate('theadClass', theadClass = $$props.theadClass);
    		if ('tbodyClass' in $$props) $$invalidate('tbodyClass', tbodyClass = $$props.tbodyClass);
    		if ('trClass' in $$props) $$invalidate('trClass', trClass = $$props.trClass);
    		if ('thClass' in $$props) $$invalidate('thClass', thClass = $$props.thClass);
    		if ('onRowClick' in $$props) $$invalidate('onRowClick', onRowClick = $$props.onRowClick);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	$$self.$capture_state = () => {
    		return { columns, data, tableClass, theadClass, tbodyClass, trClass, thClass, onRowClick, _bb };
    	};

    	$$self.$inject_state = $$props => {
    		if ('columns' in $$props) $$invalidate('columns', columns = $$props.columns);
    		if ('data' in $$props) $$invalidate('data', data = $$props.data);
    		if ('tableClass' in $$props) $$invalidate('tableClass', tableClass = $$props.tableClass);
    		if ('theadClass' in $$props) $$invalidate('theadClass', theadClass = $$props.theadClass);
    		if ('tbodyClass' in $$props) $$invalidate('tbodyClass', tbodyClass = $$props.tbodyClass);
    		if ('trClass' in $$props) $$invalidate('trClass', trClass = $$props.trClass);
    		if ('thClass' in $$props) $$invalidate('thClass', thClass = $$props.thClass);
    		if ('onRowClick' in $$props) $$invalidate('onRowClick', onRowClick = $$props.onRowClick);
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    	};

    	return {
    		columns,
    		data,
    		tableClass,
    		theadClass,
    		tbodyClass,
    		trClass,
    		thClass,
    		onRowClick,
    		_bb,
    		rowClickHandler,
    		cellValue
    	};
    }

    class Table extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$9, create_fragment$9, safe_not_equal, ["columns", "data", "tableClass", "theadClass", "tbodyClass", "trClass", "thClass", "onRowClick", "_bb"]);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "Table", options, id: create_fragment$9.name });

    		const { ctx } = this.$$;
    		const props = options.props || {};
    		if (ctx.onRowClick === undefined && !('onRowClick' in props)) {
    			console.warn("<Table> was created without expected prop 'onRowClick'");
    		}
    		if (ctx._bb === undefined && !('_bb' in props)) {
    			console.warn("<Table> was created without expected prop '_bb'");
    		}
    	}

    	get columns() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set columns(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get data() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set data(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get tableClass() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set tableClass(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get theadClass() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set theadClass(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get tbodyClass() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set tbodyClass(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get trClass() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set trClass(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get thClass() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set thClass(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get onRowClick() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set onRowClick(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	get _bb() {
    		throw new Error("<Table>: Props cannot be read directly from the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}

    	set _bb(value) {
    		throw new Error("<Table>: Props cannot be set directly on the component instance unless compiling with 'accessors: true' or '<svelte:options accessors/>'");
    	}
    }

    var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

    function createCommonjsModule(fn, module) {
    	return module = { exports: {} }, fn(module, module.exports), module.exports;
    }

    var lodash_min = createCommonjsModule(function (module, exports) {
    (function(){function n(n,t,r){switch(r.length){case 0:return n.call(t);case 1:return n.call(t,r[0]);case 2:return n.call(t,r[0],r[1]);case 3:return n.call(t,r[0],r[1],r[2])}return n.apply(t,r)}function t(n,t,r,e){for(var u=-1,i=null==n?0:n.length;++u<i;){var o=n[u];t(e,o,r(o),n);}return e}function r(n,t){for(var r=-1,e=null==n?0:n.length;++r<e&&false!==t(n[r],r,n););return n}function e(n,t){for(var r=null==n?0:n.length;r--&&false!==t(n[r],r,n););return n}function u(n,t){for(var r=-1,e=null==n?0:n.length;++r<e;)if(!t(n[r],r,n))return false;
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    /** Used to map aliases to their real names. */
    exports.aliasToReal = {

      // Lodash aliases.
      'each': 'forEach',
      'eachRight': 'forEachRight',
      'entries': 'toPairs',
      'entriesIn': 'toPairsIn',
      'extend': 'assignIn',
      'extendAll': 'assignInAll',
      'extendAllWith': 'assignInAllWith',
      'extendWith': 'assignInWith',
      'first': 'head',

      // Methods that are curried variants of others.
      'conforms': 'conformsTo',
      'matches': 'isMatch',
      'property': 'get',

      // Ramda aliases.
      '__': 'placeholder',
      'F': 'stubFalse',
      'T': 'stubTrue',
      'all': 'every',
      'allPass': 'overEvery',
      'always': 'constant',
      'any': 'some',
      'anyPass': 'overSome',
      'apply': 'spread',
      'assoc': 'set',
      'assocPath': 'set',
      'complement': 'negate',
      'compose': 'flowRight',
      'contains': 'includes',
      'dissoc': 'unset',
      'dissocPath': 'unset',
      'dropLast': 'dropRight',
      'dropLastWhile': 'dropRightWhile',
      'equals': 'isEqual',
      'identical': 'eq',
      'indexBy': 'keyBy',
      'init': 'initial',
      'invertObj': 'invert',
      'juxt': 'over',
      'omitAll': 'omit',
      'nAry': 'ary',
      'path': 'get',
      'pathEq': 'matchesProperty',
      'pathOr': 'getOr',
      'paths': 'at',
      'pickAll': 'pick',
      'pipe': 'flow',
      'pluck': 'map',
      'prop': 'get',
      'propEq': 'matchesProperty',
      'propOr': 'getOr',
      'props': 'at',
      'symmetricDifference': 'xor',
      'symmetricDifferenceBy': 'xorBy',
      'symmetricDifferenceWith': 'xorWith',
      'takeLast': 'takeRight',
      'takeLastWhile': 'takeRightWhile',
      'unapply': 'rest',
      'unnest': 'flatten',
      'useWith': 'overArgs',
      'where': 'conformsTo',
      'whereEq': 'isMatch',
      'zipObj': 'zipObject'
    };

    /** Used to map ary to method names. */
    exports.aryMethod = {
      '1': [
        'assignAll', 'assignInAll', 'attempt', 'castArray', 'ceil', 'create',
        'curry', 'curryRight', 'defaultsAll', 'defaultsDeepAll', 'floor', 'flow',
        'flowRight', 'fromPairs', 'invert', 'iteratee', 'memoize', 'method', 'mergeAll',
        'methodOf', 'mixin', 'nthArg', 'over', 'overEvery', 'overSome','rest', 'reverse',
        'round', 'runInContext', 'spread', 'template', 'trim', 'trimEnd', 'trimStart',
        'uniqueId', 'words', 'zipAll'
      ],
      '2': [
        'add', 'after', 'ary', 'assign', 'assignAllWith', 'assignIn', 'assignInAllWith',
        'at', 'before', 'bind', 'bindAll', 'bindKey', 'chunk', 'cloneDeepWith',
        'cloneWith', 'concat', 'conformsTo', 'countBy', 'curryN', 'curryRightN',
        'debounce', 'defaults', 'defaultsDeep', 'defaultTo', 'delay', 'difference',
        'divide', 'drop', 'dropRight', 'dropRightWhile', 'dropWhile', 'endsWith', 'eq',
        'every', 'filter', 'find', 'findIndex', 'findKey', 'findLast', 'findLastIndex',
        'findLastKey', 'flatMap', 'flatMapDeep', 'flattenDepth', 'forEach',
        'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'get',
        'groupBy', 'gt', 'gte', 'has', 'hasIn', 'includes', 'indexOf', 'intersection',
        'invertBy', 'invoke', 'invokeMap', 'isEqual', 'isMatch', 'join', 'keyBy',
        'lastIndexOf', 'lt', 'lte', 'map', 'mapKeys', 'mapValues', 'matchesProperty',
        'maxBy', 'meanBy', 'merge', 'mergeAllWith', 'minBy', 'multiply', 'nth', 'omit',
        'omitBy', 'overArgs', 'pad', 'padEnd', 'padStart', 'parseInt', 'partial',
        'partialRight', 'partition', 'pick', 'pickBy', 'propertyOf', 'pull', 'pullAll',
        'pullAt', 'random', 'range', 'rangeRight', 'rearg', 'reject', 'remove',
        'repeat', 'restFrom', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
        'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
        'split', 'spreadFrom', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight',
        'takeRightWhile', 'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars',
        'trimCharsEnd', 'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith',
        'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
        'zipObjectDeep'
      ],
      '3': [
        'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
        'findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom', 'getOr',
        'includesFrom', 'indexOfFrom', 'inRange', 'intersectionBy', 'intersectionWith',
        'invokeArgs', 'invokeArgsMap', 'isEqualWith', 'isMatchWith', 'flatMapDepth',
        'lastIndexOfFrom', 'mergeWith', 'orderBy', 'padChars', 'padCharsEnd',
        'padCharsStart', 'pullAllBy', 'pullAllWith', 'rangeStep', 'rangeStepRight',
        'reduce', 'reduceRight', 'replace', 'set', 'slice', 'sortedIndexBy',
        'sortedLastIndexBy', 'transform', 'unionBy', 'unionWith', 'update', 'xorBy',
        'xorWith', 'zipWith'
      ],
      '4': [
        'fill', 'setWith', 'updateWith'
      ]
    };

    /** Used to map ary to rearg configs. */
    exports.aryRearg = {
      '2': [1, 0],
      '3': [2, 0, 1],
      '4': [3, 2, 0, 1]
    };

    /** Used to map method names to their iteratee ary. */
    exports.iterateeAry = {
      'dropRightWhile': 1,
      'dropWhile': 1,
      'every': 1,
      'filter': 1,
      'find': 1,
      'findFrom': 1,
      'findIndex': 1,
      'findIndexFrom': 1,
      'findKey': 1,
      'findLast': 1,
      'findLastFrom': 1,
      'findLastIndex': 1,
      'findLastIndexFrom': 1,
      'findLastKey': 1,
      'flatMap': 1,
      'flatMapDeep': 1,
      'flatMapDepth': 1,
      'forEach': 1,
      'forEachRight': 1,
      'forIn': 1,
      'forInRight': 1,
      'forOwn': 1,
      'forOwnRight': 1,
      'map': 1,
      'mapKeys': 1,
      'mapValues': 1,
      'partition': 1,
      'reduce': 2,
      'reduceRight': 2,
      'reject': 1,
      'remove': 1,
      'some': 1,
      'takeRightWhile': 1,
      'takeWhile': 1,
      'times': 1,
      'transform': 2
    };

    /** Used to map method names to iteratee rearg configs. */
    exports.iterateeRearg = {
      'mapKeys': [1],
      'reduceRight': [1, 0]
    };

    /** Used to map method names to rearg configs. */
    exports.methodRearg = {
      'assignInAllWith': [1, 0],
      'assignInWith': [1, 2, 0],
      'assignAllWith': [1, 0],
      'assignWith': [1, 2, 0],
      'differenceBy': [1, 2, 0],
      'differenceWith': [1, 2, 0],
      'getOr': [2, 1, 0],
      'intersectionBy': [1, 2, 0],
      'intersectionWith': [1, 2, 0],
      'isEqualWith': [1, 2, 0],
      'isMatchWith': [2, 1, 0],
      'mergeAllWith': [1, 0],
      'mergeWith': [1, 2, 0],
      'padChars': [2, 1, 0],
      'padCharsEnd': [2, 1, 0],
      'padCharsStart': [2, 1, 0],
      'pullAllBy': [2, 1, 0],
      'pullAllWith': [2, 1, 0],
      'rangeStep': [1, 2, 0],
      'rangeStepRight': [1, 2, 0],
      'setWith': [3, 1, 2, 0],
      'sortedIndexBy': [2, 1, 0],
      'sortedLastIndexBy': [2, 1, 0],
      'unionBy': [1, 2, 0],
      'unionWith': [1, 2, 0],
      'updateWith': [3, 1, 2, 0],
      'xorBy': [1, 2, 0],
      'xorWith': [1, 2, 0],
      'zipWith': [1, 2, 0]
    };

    /** Used to map method names to spread configs. */
    exports.methodSpread = {
      'assignAll': { 'start': 0 },
      'assignAllWith': { 'start': 0 },
      'assignInAll': { 'start': 0 },
      'assignInAllWith': { 'start': 0 },
      'defaultsAll': { 'start': 0 },
      'defaultsDeepAll': { 'start': 0 },
      'invokeArgs': { 'start': 2 },
      'invokeArgsMap': { 'start': 2 },
      'mergeAll': { 'start': 0 },
      'mergeAllWith': { 'start': 0 },
      'partial': { 'start': 1 },
      'partialRight': { 'start': 1 },
      'without': { 'start': 1 },
      'zipAll': { 'start': 0 }
    };

    /** Used to identify methods which mutate arrays or objects. */
    exports.mutate = {
      'array': {
        'fill': true,
        'pull': true,
        'pullAll': true,
        'pullAllBy': true,
        'pullAllWith': true,
        'pullAt': true,
        'remove': true,
        'reverse': true
      },
      'object': {
        'assign': true,
        'assignAll': true,
        'assignAllWith': true,
        'assignIn': true,
        'assignInAll': true,
        'assignInAllWith': true,
        'assignInWith': true,
        'assignWith': true,
        'defaults': true,
        'defaultsAll': true,
        'defaultsDeep': true,
        'defaultsDeepAll': true,
        'merge': true,
        'mergeAll': true,
        'mergeAllWith': true,
        'mergeWith': true,
      },
      'set': {
        'set': true,
        'setWith': true,
        'unset': true,
        'update': true,
        'updateWith': true
      }
    };

    /** Used to map real names to their aliases. */
    exports.realToAlias = (function() {
      var hasOwnProperty = Object.prototype.hasOwnProperty,
          object = exports.aliasToReal,
          result = {};

      for (var key in object) {
        var value = object[key];
        if (hasOwnProperty.call(result, value)) {
          result[value].push(key);
        } else {
          result[value] = [key];
        }
      }
      return result;
    }());

    /** Used to map method names to other names. */
    exports.remap = {
      'assignAll': 'assign',
      'assignAllWith': 'assignWith',
      'assignInAll': 'assignIn',
      'assignInAllWith': 'assignInWith',
      'curryN': 'curry',
      'curryRightN': 'curryRight',
      'defaultsAll': 'defaults',
      'defaultsDeepAll': 'defaultsDeep',
      'findFrom': 'find',
      'findIndexFrom': 'findIndex',
      'findLastFrom': 'findLast',
      'findLastIndexFrom': 'findLastIndex',
      'getOr': 'get',
      'includesFrom': 'includes',
      'indexOfFrom': 'indexOf',
      'invokeArgs': 'invoke',
      'invokeArgsMap': 'invokeMap',
      'lastIndexOfFrom': 'lastIndexOf',
      'mergeAll': 'merge',
      'mergeAllWith': 'mergeWith',
      'padChars': 'pad',
      'padCharsEnd': 'padEnd',
      'padCharsStart': 'padStart',
      'propertyOf': 'get',
      'rangeStep': 'range',
      'rangeStepRight': 'rangeRight',
      'restFrom': 'rest',
      'spreadFrom': 'spread',
      'trimChars': 'trim',
      'trimCharsEnd': 'trimEnd',
      'trimCharsStart': 'trimStart',
      'zipAll': 'zip'
    };

    /** Used to track methods that skip fixing their arity. */
    exports.skipFixed = {
      'castArray': true,
      'flow': true,
      'flowRight': true,
      'iteratee': true,
      'mixin': true,
      'rearg': true,
      'runInContext': true
    };

    /** Used to track methods that skip rearranging arguments. */
    exports.skipRearg = {
      'add': true,
      'assign': true,
      'assignIn': true,
      'bind': true,
      'bindKey': true,
      'concat': true,
      'difference': true,
      'divide': true,
      'eq': true,
      'gt': true,
      'gte': true,
      'isEqual': true,
      'lt': true,
      'lte': true,
      'matchesProperty': true,
      'merge': true,
      'multiply': true,
      'overArgs': true,
      'partial': true,
      'partialRight': true,
      'propertyOf': true,
      'random': true,
      'range': true,
      'rangeRight': true,
      'subtract': true,
      'zip': true,
      'zipObject': true,
      'zipObjectDeep': true
    };
    });
    var _mapping_1 = _mapping.aliasToReal;
    var _mapping_2 = _mapping.aryMethod;
    var _mapping_3 = _mapping.aryRearg;
    var _mapping_4 = _mapping.iterateeAry;
    var _mapping_5 = _mapping.iterateeRearg;
    var _mapping_6 = _mapping.methodRearg;
    var _mapping_7 = _mapping.methodSpread;
    var _mapping_8 = _mapping.mutate;
    var _mapping_9 = _mapping.realToAlias;
    var _mapping_10 = _mapping.remap;
    var _mapping_11 = _mapping.skipFixed;
    var _mapping_12 = _mapping.skipRearg;

    /**
     * The default argument placeholder value for methods.
     *
     * @type {Object}
     */
    var placeholder = {};

    /** Built-in value reference. */
    var push = Array.prototype.push;

    /**
     * Creates a function, with an arity of `n`, that invokes `func` with the
     * arguments it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {number} n The arity of the new function.
     * @returns {Function} Returns the new function.
     */
    function baseArity(func, n) {
      return n == 2
        ? function(a, b) { return func.apply(undefined, arguments); }
        : function(a) { return func.apply(undefined, arguments); };
    }

    /**
     * Creates a function that invokes `func`, with up to `n` arguments, ignoring
     * any additional arguments.
     *
     * @private
     * @param {Function} func The function to cap arguments for.
     * @param {number} n The arity cap.
     * @returns {Function} Returns the new function.
     */
    function baseAry(func, n) {
      return n == 2
        ? function(a, b) { return func(a, b); }
        : function(a) { return func(a); };
    }

    /**
     * Creates a clone of `array`.
     *
     * @private
     * @param {Array} array The array to clone.
     * @returns {Array} Returns the cloned array.
     */
    function cloneArray(array) {
      var length = array ? array.length : 0,
          result = Array(length);

      while (length--) {
        result[length] = array[length];
      }
      return result;
    }

    /**
     * Creates a function that clones a given object using the assignment `func`.
     *
     * @private
     * @param {Function} func The assignment function.
     * @returns {Function} Returns the new cloner function.
     */
    function createCloner(func) {
      return function(object) {
        return func({}, object);
      };
    }

    /**
     * A specialized version of `_.spread` which flattens the spread array into
     * the arguments of the invoked `func`.
     *
     * @private
     * @param {Function} func The function to spread arguments over.
     * @param {number} start The start position of the spread.
     * @returns {Function} Returns the new function.
     */
    function flatSpread(func, start) {
      return function() {
        var length = arguments.length,
            lastIndex = length - 1,
            args = Array(length);

        while (length--) {
          args[length] = arguments[length];
        }
        var array = args[start],
            otherArgs = args.slice(0, start);

        if (array) {
          push.apply(otherArgs, array);
        }
        if (start != lastIndex) {
          push.apply(otherArgs, args.slice(start + 1));
        }
        return func.apply(this, otherArgs);
      };
    }

    /**
     * Creates a function that wraps `func` and uses `cloner` to clone the first
     * argument it receives.
     *
     * @private
     * @param {Function} func The function to wrap.
     * @param {Function} cloner The function to clone arguments.
     * @returns {Function} Returns the new immutable function.
     */
    function wrapImmutable(func, cloner) {
      return function() {
        var length = arguments.length;
        if (!length) {
          return;
        }
        var args = Array(length);
        while (length--) {
          args[length] = arguments[length];
        }
        var result = args[0] = cloner.apply(undefined, args);
        func.apply(undefined, args);
        return result;
      };
    }

    /**
     * The base implementation of `convert` which accepts a `util` object of methods
     * required to perform conversions.
     *
     * @param {Object} util The util object.
     * @param {string} name The name of the function to convert.
     * @param {Function} func The function to convert.
     * @param {Object} [options] The options object.
     * @param {boolean} [options.cap=true] Specify capping iteratee arguments.
     * @param {boolean} [options.curry=true] Specify currying.
     * @param {boolean} [options.fixed=true] Specify fixed arity.
     * @param {boolean} [options.immutable=true] Specify immutable operations.
     * @param {boolean} [options.rearg=true] Specify rearranging arguments.
     * @returns {Function|Object} Returns the converted function or object.
     */
    function baseConvert(util, name, func, options) {
      var isLib = typeof name == 'function',
          isObj = name === Object(name);

      if (isObj) {
        options = func;
        func = name;
        name = undefined;
      }
      if (func == null) {
        throw new TypeError;
      }
      options || (options = {});

      var config = {
        'cap': 'cap' in options ? options.cap : true,
        'curry': 'curry' in options ? options.curry : true,
        'fixed': 'fixed' in options ? options.fixed : true,
        'immutable': 'immutable' in options ? options.immutable : true,
        'rearg': 'rearg' in options ? options.rearg : true
      };

      var defaultHolder = isLib ? func : placeholder,
          forceCurry = ('curry' in options) && options.curry,
          forceFixed = ('fixed' in options) && options.fixed,
          forceRearg = ('rearg' in options) && options.rearg,
          pristine = isLib ? func.runInContext() : undefined;

      var helpers = isLib ? func : {
        'ary': util.ary,
        'assign': util.assign,
        'clone': util.clone,
        'curry': util.curry,
        'forEach': util.forEach,
        'isArray': util.isArray,
        'isError': util.isError,
        'isFunction': util.isFunction,
        'isWeakMap': util.isWeakMap,
        'iteratee': util.iteratee,
        'keys': util.keys,
        'rearg': util.rearg,
        'toInteger': util.toInteger,
        'toPath': util.toPath
      };

      var ary = helpers.ary,
          assign = helpers.assign,
          clone = helpers.clone,
          curry = helpers.curry,
          each = helpers.forEach,
          isArray = helpers.isArray,
          isError = helpers.isError,
          isFunction = helpers.isFunction,
          isWeakMap = helpers.isWeakMap,
          keys = helpers.keys,
          rearg = helpers.rearg,
          toInteger = helpers.toInteger,
          toPath = helpers.toPath;

      var aryMethodKeys = keys(_mapping.aryMethod);

      var wrappers = {
        'castArray': function(castArray) {
          return function() {
            var value = arguments[0];
            return isArray(value)
              ? castArray(cloneArray(value))
              : castArray.apply(undefined, arguments);
          };
        },
        'iteratee': function(iteratee) {
          return function() {
            var func = arguments[0],
                arity = arguments[1],
                result = iteratee(func, arity),
                length = result.length;

            if (config.cap && typeof arity == 'number') {
              arity = arity > 2 ? (arity - 2) : 1;
              return (length && length <= arity) ? result : baseAry(result, arity);
            }
            return result;
          };
        },
        'mixin': function(mixin) {
          return function(source) {
            var func = this;
            if (!isFunction(func)) {
              return mixin(func, Object(source));
            }
            var pairs = [];
            each(keys(source), function(key) {
              if (isFunction(source[key])) {
                pairs.push([key, func.prototype[key]]);
              }
            });

            mixin(func, Object(source));

            each(pairs, function(pair) {
              var value = pair[1];
              if (isFunction(value)) {
                func.prototype[pair[0]] = value;
              } else {
                delete func.prototype[pair[0]];
              }
            });
            return func;
          };
        },
        'nthArg': function(nthArg) {
          return function(n) {
            var arity = n < 0 ? 1 : (toInteger(n) + 1);
            return curry(nthArg(n), arity);
          };
        },
        'rearg': function(rearg) {
          return function(func, indexes) {
            var arity = indexes ? indexes.length : 0;
            return curry(rearg(func, indexes), arity);
          };
        },
        'runInContext': function(runInContext) {
          return function(context) {
            return baseConvert(util, runInContext(context), options);
          };
        }
      };

      /*--------------------------------------------------------------------------*/

      /**
       * Casts `func` to a function with an arity capped iteratee if needed.
       *
       * @private
       * @param {string} name The name of the function to inspect.
       * @param {Function} func The function to inspect.
       * @returns {Function} Returns the cast function.
       */
      function castCap(name, func) {
        if (config.cap) {
          var indexes = _mapping.iterateeRearg[name];
          if (indexes) {
            return iterateeRearg(func, indexes);
          }
          var n = !isLib && _mapping.iterateeAry[name];
          if (n) {
            return iterateeAry(func, n);
          }
        }
        return func;
      }

      /**
       * Casts `func` to a curried function if needed.
       *
       * @private
       * @param {string} name The name of the function to inspect.
       * @param {Function} func The function to inspect.
       * @param {number} n The arity of `func`.
       * @returns {Function} Returns the cast function.
       */
      function castCurry(name, func, n) {
        return (forceCurry || (config.curry && n > 1))
          ? curry(func, n)
          : func;
      }

      /**
       * Casts `func` to a fixed arity function if needed.
       *
       * @private
       * @param {string} name The name of the function to inspect.
       * @param {Function} func The function to inspect.
       * @param {number} n The arity cap.
       * @returns {Function} Returns the cast function.
       */
      function castFixed(name, func, n) {
        if (config.fixed && (forceFixed || !_mapping.skipFixed[name])) {
          var data = _mapping.methodSpread[name],
              start = data && data.start;

          return start  === undefined ? ary(func, n) : flatSpread(func, start);
        }
        return func;
      }

      /**
       * Casts `func` to an rearged function if needed.
       *
       * @private
       * @param {string} name The name of the function to inspect.
       * @param {Function} func The function to inspect.
       * @param {number} n The arity of `func`.
       * @returns {Function} Returns the cast function.
       */
      function castRearg(name, func, n) {
        return (config.rearg && n > 1 && (forceRearg || !_mapping.skipRearg[name]))
          ? rearg(func, _mapping.methodRearg[name] || _mapping.aryRearg[n])
          : func;
      }

      /**
       * Creates a clone of `object` by `path`.
       *
       * @private
       * @param {Object} object The object to clone.
       * @param {Array|string} path The path to clone by.
       * @returns {Object} Returns the cloned object.
       */
      function cloneByPath(object, path) {
        path = toPath(path);

        var index = -1,
            length = path.length,
            lastIndex = length - 1,
            result = clone(Object(object)),
            nested = result;

        while (nested != null && ++index < length) {
          var key = path[index],
              value = nested[key];

          if (value != null &&
              !(isFunction(value) || isError(value) || isWeakMap(value))) {
            nested[key] = clone(index == lastIndex ? value : Object(value));
          }
          nested = nested[key];
        }
        return result;
      }

      /**
       * Converts `lodash` to an immutable auto-curried iteratee-first data-last
       * version with conversion `options` applied.
       *
       * @param {Object} [options] The options object. See `baseConvert` for more details.
       * @returns {Function} Returns the converted `lodash`.
       */
      function convertLib(options) {
        return _.runInContext.convert(options)(undefined);
      }

      /**
       * Create a converter function for `func` of `name`.
       *
       * @param {string} name The name of the function to convert.
       * @param {Function} func The function to convert.
       * @returns {Function} Returns the new converter function.
       */
      function createConverter(name, func) {
        var realName = _mapping.aliasToReal[name] || name,
            methodName = _mapping.remap[realName] || realName,
            oldOptions = options;

        return function(options) {
          var newUtil = isLib ? pristine : helpers,
              newFunc = isLib ? pristine[methodName] : func,
              newOptions = assign(assign({}, oldOptions), options);

          return baseConvert(newUtil, realName, newFunc, newOptions);
        };
      }

      /**
       * Creates a function that wraps `func` to invoke its iteratee, with up to `n`
       * arguments, ignoring any additional arguments.
       *
       * @private
       * @param {Function} func The function to cap iteratee arguments for.
       * @param {number} n The arity cap.
       * @returns {Function} Returns the new function.
       */
      function iterateeAry(func, n) {
        return overArg(func, function(func) {
          return typeof func == 'function' ? baseAry(func, n) : func;
        });
      }

      /**
       * Creates a function that wraps `func` to invoke its iteratee with arguments
       * arranged according to the specified `indexes` where the argument value at
       * the first index is provided as the first argument, the argument value at
       * the second index is provided as the second argument, and so on.
       *
       * @private
       * @param {Function} func The function to rearrange iteratee arguments for.
       * @param {number[]} indexes The arranged argument indexes.
       * @returns {Function} Returns the new function.
       */
      function iterateeRearg(func, indexes) {
        return overArg(func, function(func) {
          var n = indexes.length;
          return baseArity(rearg(baseAry(func, n), indexes), n);
        });
      }

      /**
       * Creates a function that invokes `func` with its first argument transformed.
       *
       * @private
       * @param {Function} func The function to wrap.
       * @param {Function} transform The argument transform.
       * @returns {Function} Returns the new function.
       */
      function overArg(func, transform) {
        return function() {
          var length = arguments.length;
          if (!length) {
            return func();
          }
          var args = Array(length);
          while (length--) {
            args[length] = arguments[length];
          }
          var index = config.rearg ? 0 : (length - 1);
          args[index] = transform(args[index]);
          return func.apply(undefined, args);
        };
      }

      /**
       * Creates a function that wraps `func` and applys the conversions
       * rules by `name`.
       *
       * @private
       * @param {string} name The name of the function to wrap.
       * @param {Function} func The function to wrap.
       * @returns {Function} Returns the converted function.
       */
      function wrap(name, func, placeholder) {
        var result,
            realName = _mapping.aliasToReal[name] || name,
            wrapped = func,
            wrapper = wrappers[realName];

        if (wrapper) {
          wrapped = wrapper(func);
        }
        else if (config.immutable) {
          if (_mapping.mutate.array[realName]) {
            wrapped = wrapImmutable(func, cloneArray);
          }
          else if (_mapping.mutate.object[realName]) {
            wrapped = wrapImmutable(func, createCloner(func));
          }
          else if (_mapping.mutate.set[realName]) {
            wrapped = wrapImmutable(func, cloneByPath);
          }
        }
        each(aryMethodKeys, function(aryKey) {
          each(_mapping.aryMethod[aryKey], function(otherName) {
            if (realName == otherName) {
              var data = _mapping.methodSpread[realName],
                  afterRearg = data && data.afterRearg;

              result = afterRearg
                ? castFixed(realName, castRearg(realName, wrapped, aryKey), aryKey)
                : castRearg(realName, castFixed(realName, wrapped, aryKey), aryKey);

              result = castCap(realName, result);
              result = castCurry(realName, result, aryKey);
              return false;
            }
          });
          return !result;
        });

        result || (result = wrapped);
        if (result == func) {
          result = forceCurry ? curry(result, 1) : function() {
            return func.apply(this, arguments);
          };
        }
        result.convert = createConverter(realName, func);
        result.placeholder = func.placeholder = placeholder;

        return result;
      }

      /*--------------------------------------------------------------------------*/

      if (!isObj) {
        return wrap(name, func, defaultHolder);
      }
      var _ = func;

      // Convert methods by ary cap.
      var pairs = [];
      each(aryMethodKeys, function(aryKey) {
        each(_mapping.aryMethod[aryKey], function(key) {
          var func = _[_mapping.remap[key] || key];
          if (func) {
            pairs.push([key, wrap(key, func, _)]);
          }
        });
      });

      // Convert remaining methods.
      each(keys(_), function(key) {
        var func = _[key];
        if (typeof func == 'function') {
          var length = pairs.length;
          while (length--) {
            if (pairs[length][0] == key) {
              return;
            }
          }
          func.convert = createConverter(key, func);
          pairs.push([key, func]);
        }
      });

      // Assign to `_` leaving `_.prototype` unchanged to allow chaining.
      each(pairs, function(pair) {
        _[pair[0]] = pair[1];
      });

      _.convert = convertLib;
      _.placeholder = _;

      // Assign aliases.
      each(keys(_), function(key) {
        each(_mapping.realToAlias[key] || [], function(alias) {
          _[alias] = _[key];
        });
      });

      return _;
    }

    var _baseConvert = baseConvert;

    var _ = lodash_min.runInContext();
    var fp = _baseConvert(_, _);
    var fp_1 = fp.find;
    var fp_2 = fp.isUndefined;
    var fp_3 = fp.split;
    var fp_4 = fp.max;
    var fp_5 = fp.last;
    var fp_6 = fp.union;
    var fp_7 = fp.reduce;
    var fp_8 = fp.isObject;
    var fp_9 = fp.cloneDeep;
    var fp_10 = fp.some;
    var fp_11 = fp.isArray;
    var fp_12 = fp.map;
    var fp_13 = fp.filter;
    var fp_14 = fp.keys;
    var fp_15 = fp.isFunction;
    var fp_16 = fp.isEmpty;
    var fp_17 = fp.countBy;
    var fp_18 = fp.join;
    var fp_19 = fp.includes;
    var fp_20 = fp.flatten;
    var fp_21 = fp.constant;
    var fp_22 = fp.first;
    var fp_23 = fp.intersection;
    var fp_24 = fp.take;
    var fp_25 = fp.has;
    var fp_26 = fp.mapValues;
    var fp_27 = fp.isString;
    var fp_28 = fp.isBoolean;
    var fp_29 = fp.isNull;
    var fp_30 = fp.isNumber;
    var fp_31 = fp.isObjectLike;
    var fp_32 = fp.isDate;
    var fp_33 = fp.clone;
    var fp_34 = fp.values;
    var fp_35 = fp.keyBy;
    var fp_36 = fp.isNaN;
    var fp_37 = fp.isInteger;
    var fp_38 = fp.toNumber;

    var lodash = createCommonjsModule(function (module, exports) {
    (function() {

      /** Used as a safe reference for `undefined` in pre-ES5 environments. */
      var undefined$1;

      /** Used as the semantic version number. */
      var VERSION = '4.17.15';

      /** Used as the size to enable large array optimizations. */
      var LARGE_ARRAY_SIZE = 200;

      /** Error message constants. */
      var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
          FUNC_ERROR_TEXT = 'Expected a function';

      /** Used to stand-in for `undefined` hash values. */
      var HASH_UNDEFINED = '__lodash_hash_undefined__';

      /** Used as the maximum memoize cache size. */
      var MAX_MEMOIZE_SIZE = 500;

      /** Used as the internal argument placeholder. */
      var PLACEHOLDER = '__lodash_placeholder__';

      /** Used to compose bitmasks for cloning. */
      var CLONE_DEEP_FLAG = 1,
          CLONE_FLAT_FLAG = 2,
          CLONE_SYMBOLS_FLAG = 4;

      /** Used to compose bitmasks for value comparisons. */
      var COMPARE_PARTIAL_FLAG = 1,
          COMPARE_UNORDERED_FLAG = 2;

      /** Used to compose bitmasks for function metadata. */
      var WRAP_BIND_FLAG = 1,
          WRAP_BIND_KEY_FLAG = 2,
          WRAP_CURRY_BOUND_FLAG = 4,
          WRAP_CURRY_FLAG = 8,
          WRAP_CURRY_RIGHT_FLAG = 16,
          WRAP_PARTIAL_FLAG = 32,
          WRAP_PARTIAL_RIGHT_FLAG = 64,
          WRAP_ARY_FLAG = 128,
          WRAP_REARG_FLAG = 256,
          WRAP_FLIP_FLAG = 512;

      /** Used as default options for `_.truncate`. */
      var DEFAULT_TRUNC_LENGTH = 30,
          DEFAULT_TRUNC_OMISSION = '...';

      /** Used to detect hot functions by number of calls within a span of milliseconds. */
      var HOT_COUNT = 800,
          HOT_SPAN = 16;

      /** Used to indicate the type of lazy iteratees. */
      var LAZY_FILTER_FLAG = 1,
          LAZY_MAP_FLAG = 2,
          LAZY_WHILE_FLAG = 3;

      /** Used as references for various `Number` constants. */
      var INFINITY = 1 / 0,
          MAX_SAFE_INTEGER = 9007199254740991,
          MAX_INTEGER = 1.7976931348623157e+308,
          NAN = 0 / 0;

      /** Used as references for the maximum length and index of an array. */
      var MAX_ARRAY_LENGTH = 4294967295,
          MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
          HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;

      /** Used to associate wrap methods with their bit flags. */
      var wrapFlags = [
        ['ary', WRAP_ARY_FLAG],
        ['bind', WRAP_BIND_FLAG],
        ['bindKey', WRAP_BIND_KEY_FLAG],
        ['curry', WRAP_CURRY_FLAG],
        ['curryRight', WRAP_CURRY_RIGHT_FLAG],
        ['flip', WRAP_FLIP_FLAG],
        ['partial', WRAP_PARTIAL_FLAG],
        ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
        ['rearg', WRAP_REARG_FLAG]
      ];

      /** `Object#toString` result references. */
      var argsTag = '[object Arguments]',
          arrayTag = '[object Array]',
          asyncTag = '[object AsyncFunction]',
          boolTag = '[object Boolean]',
          dateTag = '[object Date]',
          domExcTag = '[object DOMException]',
          errorTag = '[object Error]',
          funcTag = '[object Function]',
          genTag = '[object GeneratorFunction]',
          mapTag = '[object Map]',
          numberTag = '[object Number]',
          nullTag = '[object Null]',
          objectTag = '[object Object]',
          promiseTag = '[object Promise]',
          proxyTag = '[object Proxy]',
          regexpTag = '[object RegExp]',
          setTag = '[object Set]',
          stringTag = '[object String]',
          symbolTag = '[object Symbol]',
          undefinedTag = '[object Undefined]',
          weakMapTag = '[object WeakMap]',
          weakSetTag = '[object WeakSet]';

      var arrayBufferTag = '[object ArrayBuffer]',
          dataViewTag = '[object DataView]',
          float32Tag = '[object Float32Array]',
          float64Tag = '[object Float64Array]',
          int8Tag = '[object Int8Array]',
          int16Tag = '[object Int16Array]',
          int32Tag = '[object Int32Array]',
          uint8Tag = '[object Uint8Array]',
          uint8ClampedTag = '[object Uint8ClampedArray]',
          uint16Tag = '[object Uint16Array]',
          uint32Tag = '[object Uint32Array]';

      /** Used to match empty string literals in compiled template source. */
      var reEmptyStringLeading = /\b__p \+= '';/g,
          reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
          reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;

      /** Used to match HTML entities and HTML characters. */
      var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
          reUnescapedHtml = /[&<>"']/g,
          reHasEscapedHtml = RegExp(reEscapedHtml.source),
          reHasUnescapedHtml = RegExp(reUnescapedHtml.source);

      /** Used to match template delimiters. */
      var reEscape = /<%-([\s\S]+?)%>/g,
          reEvaluate = /<%([\s\S]+?)%>/g,
          reInterpolate = /<%=([\s\S]+?)%>/g;

      /** Used to match property names within property paths. */
      var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
          reIsPlainProp = /^\w*$/,
          rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;

      /**
       * Used to match `RegExp`
       * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
       */
      var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
          reHasRegExpChar = RegExp(reRegExpChar.source);

      /** Used to match leading and trailing whitespace. */
      var reTrim = /^\s+|\s+$/g,
          reTrimStart = /^\s+/,
          reTrimEnd = /\s+$/;

      /** Used to match wrap detail comments. */
      var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
          reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
          reSplitDetails = /,? & /;

      /** Used to match words composed of alphanumeric characters. */
      var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;

      /** Used to match backslashes in property paths. */
      var reEscapeChar = /\\(\\)?/g;

      /**
       * Used to match
       * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
       */
      var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;

      /** Used to match `RegExp` flags from their coerced string values. */
      var reFlags = /\w*$/;

      /** Used to detect bad signed hexadecimal string values. */
      var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;

      /** Used to detect binary string values. */
      var reIsBinary = /^0b[01]+$/i;

      /** Used to detect host constructors (Safari). */
      var reIsHostCtor = /^\[object .+?Constructor\]$/;

      /** Used to detect octal string values. */
      var reIsOctal = /^0o[0-7]+$/i;

      /** Used to detect unsigned integer values. */
      var reIsUint = /^(?:0|[1-9]\d*)$/;

      /** Used to match Latin Unicode letters (excluding mathematical operators). */
      var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;

      /** Used to ensure capturing order of template delimiters. */
      var reNoMatch = /($^)/;

      /** Used to match unescaped characters in compiled string literals. */
      var reUnescapedString = /['\n\r\u2028\u2029\\]/g;

      /** Used to compose unicode character classes. */
      var rsAstralRange = '\\ud800-\\udfff',
          rsComboMarksRange = '\\u0300-\\u036f',
          reComboHalfMarksRange = '\\ufe20-\\ufe2f',
          rsComboSymbolsRange = '\\u20d0-\\u20ff',
          rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
          rsDingbatRange = '\\u2700-\\u27bf',
          rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
          rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
          rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
          rsPunctuationRange = '\\u2000-\\u206f',
          rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
          rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
          rsVarRange = '\\ufe0e\\ufe0f',
          rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;

      /** Used to compose unicode capture groups. */
      var rsApos = "['\u2019]",
          rsAstral = '[' + rsAstralRange + ']',
          rsBreak = '[' + rsBreakRange + ']',
          rsCombo = '[' + rsComboRange + ']',
          rsDigits = '\\d+',
          rsDingbat = '[' + rsDingbatRange + ']',
          rsLower = '[' + rsLowerRange + ']',
          rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
          rsFitz = '\\ud83c[\\udffb-\\udfff]',
          rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
          rsNonAstral = '[^' + rsAstralRange + ']',
          rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
          rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
          rsUpper = '[' + rsUpperRange + ']',
          rsZWJ = '\\u200d';

      /** Used to compose unicode regexes. */
      var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
          rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
          rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
          rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
          reOptMod = rsModifier + '?',
          rsOptVar = '[' + rsVarRange + ']?',
          rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
          rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])',
          rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])',
          rsSeq = rsOptVar + reOptMod + rsOptJoin,
          rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
          rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';

      /** Used to match apostrophes. */
      var reApos = RegExp(rsApos, 'g');

      /**
       * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
       * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
       */
      var reComboMark = RegExp(rsCombo, 'g');

      /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
      var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');

      /** Used to match complex or compound words. */
      var reUnicodeWord = RegExp([
        rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
        rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
        rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
        rsUpper + '+' + rsOptContrUpper,
        rsOrdUpper,
        rsOrdLower,
        rsDigits,
        rsEmoji
      ].join('|'), 'g');

      /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
      var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');

      /** Used to detect strings that need a more robust regexp to match words. */
      var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;

      /** Used to assign default `context` object properties. */
      var contextProps = [
        'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
        'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
        'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
        'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
        '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
      ];

      /** Used to make template sourceURLs easier to identify. */
      var templateCounter = -1;

      /** Used to identify `toStringTag` values of typed arrays. */
      var typedArrayTags = {};
      typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
      typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
      typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
      typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
      typedArrayTags[uint32Tag] = true;
      typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
      typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
      typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
      typedArrayTags[errorTag] = typedArrayTags[funcTag] =
      typedArrayTags[mapTag] = typedArrayTags[numberTag] =
      typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
      typedArrayTags[setTag] = typedArrayTags[stringTag] =
      typedArrayTags[weakMapTag] = false;

      /** Used to identify `toStringTag` values supported by `_.clone`. */
      var cloneableTags = {};
      cloneableTags[argsTag] = cloneableTags[arrayTag] =
      cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
      cloneableTags[boolTag] = cloneableTags[dateTag] =
      cloneableTags[float32Tag] = cloneableTags[float64Tag] =
      cloneableTags[int8Tag] = cloneableTags[int16Tag] =
      cloneableTags[int32Tag] = cloneableTags[mapTag] =
      cloneableTags[numberTag] = cloneableTags[objectTag] =
      cloneableTags[regexpTag] = cloneableTags[setTag] =
      cloneableTags[stringTag] = cloneableTags[symbolTag] =
      cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
      cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
      cloneableTags[errorTag] = cloneableTags[funcTag] =
      cloneableTags[weakMapTag] = false;

      /** Used to map Latin Unicode letters to basic Latin letters. */
      var deburredLetters = {
        // Latin-1 Supplement block.
        '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
        '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
        '\xc7': 'C',  '\xe7': 'c',
        '\xd0': 'D',  '\xf0': 'd',
        '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
        '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
        '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
        '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
        '\xd1': 'N',  '\xf1': 'n',
        '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
        '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
        '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
        '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
        '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
        '\xc6': 'Ae', '\xe6': 'ae',
        '\xde': 'Th', '\xfe': 'th',
        '\xdf': 'ss',
        // Latin Extended-A block.
        '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
        '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
        '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
        '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
        '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
        '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
        '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
        '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
        '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
        '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
        '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
        '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
        '\u0134': 'J',  '\u0135': 'j',
        '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
        '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
        '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
        '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
        '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
        '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
        '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
        '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
        '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
        '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
        '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
        '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
        '\u0163': 't',  '\u0165': 't', '\u0167': 't',
        '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
        '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
        '\u0174': 'W',  '\u0175': 'w',
        '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
        '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
        '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
        '\u0132': 'IJ', '\u0133': 'ij',
        '\u0152': 'Oe', '\u0153': 'oe',
        '\u0149': "'n", '\u017f': 's'
      };

      /** Used to map characters to HTML entities. */
      var htmlEscapes = {
        '&': '&amp;',
        '<': '&lt;',
        '>': '&gt;',
        '"': '&quot;',
        "'": '&#39;'
      };

      /** Used to map HTML entities to characters. */
      var htmlUnescapes = {
        '&amp;': '&',
        '&lt;': '<',
        '&gt;': '>',
        '&quot;': '"',
        '&#39;': "'"
      };

      /** Used to escape characters for inclusion in compiled string literals. */
      var stringEscapes = {
        '\\': '\\',
        "'": "'",
        '\n': 'n',
        '\r': 'r',
        '\u2028': 'u2028',
        '\u2029': 'u2029'
      };

      /** Built-in method references without a dependency on `root`. */
      var freeParseFloat = parseFloat,
          freeParseInt = parseInt;

      /** Detect free variable `global` from Node.js. */
      var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;

      /** Detect free variable `self`. */
      var freeSelf = typeof self == 'object' && self && self.Object === Object && self;

      /** Used as a reference to the global object. */
      var root = freeGlobal || freeSelf || Function('return this')();

      /** Detect free variable `exports`. */
      var freeExports =  exports && !exports.nodeType && exports;

      /** Detect free variable `module`. */
      var freeModule = freeExports && 'object' == 'object' && module && !module.nodeType && module;

      /** Detect the popular CommonJS extension `module.exports`. */
      var moduleExports = freeModule && freeModule.exports === freeExports;

      /** Detect free variable `process` from Node.js. */
      var freeProcess = moduleExports && freeGlobal.process;

      /** Used to access faster Node.js helpers. */
      var nodeUtil = (function() {
        try {
          // Use `util.types` for Node.js 10+.
          var types = freeModule && freeModule.require && freeModule.require('util').types;

          if (types) {
            return types;
          }

          // Legacy `process.binding('util')` for Node.js < 10.
          return freeProcess && freeProcess.binding && freeProcess.binding('util');
        } catch (e) {}
      }());

      /* Node.js helper references. */
      var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
          nodeIsDate = nodeUtil && nodeUtil.isDate,
          nodeIsMap = nodeUtil && nodeUtil.isMap,
          nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
          nodeIsSet = nodeUtil && nodeUtil.isSet,
          nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;

      /*--------------------------------------------------------------------------*/

      /**
       * A faster alternative to `Function#apply`, this function invokes `func`
       * with the `this` binding of `thisArg` and the arguments of `args`.
       *
       * @private
       * @param {Function} func The function to invoke.
       * @param {*} thisArg The `this` binding of `func`.
       * @param {Array} args The arguments to invoke `func` with.
       * @returns {*} Returns the result of `func`.
       */
      function apply(func, thisArg, args) {
        switch (args.length) {
          case 0: return func.call(thisArg);
          case 1: return func.call(thisArg, args[0]);
          case 2: return func.call(thisArg, args[0], args[1]);
          case 3: return func.call(thisArg, args[0], args[1], args[2]);
        }
        return func.apply(thisArg, args);
      }

      /**
       * A specialized version of `baseAggregator` for arrays.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} setter The function to set `accumulator` values.
       * @param {Function} iteratee The iteratee to transform keys.
       * @param {Object} accumulator The initial aggregated object.
       * @returns {Function} Returns `accumulator`.
       */
      function arrayAggregator(array, setter, iteratee, accumulator) {
        var index = -1,
            length = array == null ? 0 : array.length;

        while (++index < length) {
          var value = array[index];
          setter(accumulator, value, iteratee(value), array);
        }
        return accumulator;
      }

      /**
       * A specialized version of `_.forEach` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {Array} Returns `array`.
       */
      function arrayEach(array, iteratee) {
        var index = -1,
            length = array == null ? 0 : array.length;

        while (++index < length) {
          if (iteratee(array[index], index, array) === false) {
            break;
          }
        }
        return array;
      }

      /**
       * A specialized version of `_.forEachRight` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {Array} Returns `array`.
       */
      function arrayEachRight(array, iteratee) {
        var length = array == null ? 0 : array.length;

        while (length--) {
          if (iteratee(array[length], length, array) === false) {
            break;
          }
        }
        return array;
      }

      /**
       * A specialized version of `_.every` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} predicate The function invoked per iteration.
       * @returns {boolean} Returns `true` if all elements pass the predicate check,
       *  else `false`.
       */
      function arrayEvery(array, predicate) {
        var index = -1,
            length = array == null ? 0 : array.length;

        while (++index < length) {
          if (!predicate(array[index], index, array)) {
            return false;
          }
        }
        return true;
      }

      /**
       * A specialized version of `_.filter` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} predicate The function invoked per iteration.
       * @returns {Array} Returns the new filtered array.
       */
      function arrayFilter(array, predicate) {
        var index = -1,
            length = array == null ? 0 : array.length,
            resIndex = 0,
            result = [];

        while (++index < length) {
          var value = array[index];
          if (predicate(value, index, array)) {
            result[resIndex++] = value;
          }
        }
        return result;
      }

      /**
       * A specialized version of `_.includes` for arrays without support for
       * specifying an index to search from.
       *
       * @private
       * @param {Array} [array] The array to inspect.
       * @param {*} target The value to search for.
       * @returns {boolean} Returns `true` if `target` is found, else `false`.
       */
      function arrayIncludes(array, value) {
        var length = array == null ? 0 : array.length;
        return !!length && baseIndexOf(array, value, 0) > -1;
      }

      /**
       * This function is like `arrayIncludes` except that it accepts a comparator.
       *
       * @private
       * @param {Array} [array] The array to inspect.
       * @param {*} target The value to search for.
       * @param {Function} comparator The comparator invoked per element.
       * @returns {boolean} Returns `true` if `target` is found, else `false`.
       */
      function arrayIncludesWith(array, value, comparator) {
        var index = -1,
            length = array == null ? 0 : array.length;

        while (++index < length) {
          if (comparator(value, array[index])) {
            return true;
          }
        }
        return false;
      }

      /**
       * A specialized version of `_.map` for arrays without support for iteratee
       * shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {Array} Returns the new mapped array.
       */
      function arrayMap(array, iteratee) {
        var index = -1,
            length = array == null ? 0 : array.length,
            result = Array(length);

        while (++index < length) {
          result[index] = iteratee(array[index], index, array);
        }
        return result;
      }

      /**
       * Appends the elements of `values` to `array`.
       *
       * @private
       * @param {Array} array The array to modify.
       * @param {Array} values The values to append.
       * @returns {Array} Returns `array`.
       */
      function arrayPush(array, values) {
        var index = -1,
            length = values.length,
            offset = array.length;

        while (++index < length) {
          array[offset + index] = values[index];
        }
        return array;
      }

      /**
       * A specialized version of `_.reduce` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @param {*} [accumulator] The initial value.
       * @param {boolean} [initAccum] Specify using the first element of `array` as
       *  the initial value.
       * @returns {*} Returns the accumulated value.
       */
      function arrayReduce(array, iteratee, accumulator, initAccum) {
        var index = -1,
            length = array == null ? 0 : array.length;

        if (initAccum && length) {
          accumulator = array[++index];
        }
        while (++index < length) {
          accumulator = iteratee(accumulator, array[index], index, array);
        }
        return accumulator;
      }

      /**
       * A specialized version of `_.reduceRight` for arrays without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @param {*} [accumulator] The initial value.
       * @param {boolean} [initAccum] Specify using the last element of `array` as
       *  the initial value.
       * @returns {*} Returns the accumulated value.
       */
      function arrayReduceRight(array, iteratee, accumulator, initAccum) {
        var length = array == null ? 0 : array.length;
        if (initAccum && length) {
          accumulator = array[--length];
        }
        while (length--) {
          accumulator = iteratee(accumulator, array[length], length, array);
        }
        return accumulator;
      }

      /**
       * A specialized version of `_.some` for arrays without support for iteratee
       * shorthands.
       *
       * @private
       * @param {Array} [array] The array to iterate over.
       * @param {Function} predicate The function invoked per iteration.
       * @returns {boolean} Returns `true` if any element passes the predicate check,
       *  else `false`.
       */
      function arraySome(array, predicate) {
        var index = -1,
            length = array == null ? 0 : array.length;

        while (++index < length) {
          if (predicate(array[index], index, array)) {
            return true;
          }
        }
        return false;
      }

      /**
       * Gets the size of an ASCII `string`.
       *
       * @private
       * @param {string} string The string inspect.
       * @returns {number} Returns the string size.
       */
      var asciiSize = baseProperty('length');

      /**
       * Converts an ASCII `string` to an array.
       *
       * @private
       * @param {string} string The string to convert.
       * @returns {Array} Returns the converted array.
       */
      function asciiToArray(string) {
        return string.split('');
      }

      /**
       * Splits an ASCII `string` into an array of its words.
       *
       * @private
       * @param {string} The string to inspect.
       * @returns {Array} Returns the words of `string`.
       */
      function asciiWords(string) {
        return string.match(reAsciiWord) || [];
      }

      /**
       * The base implementation of methods like `_.findKey` and `_.findLastKey`,
       * without support for iteratee shorthands, which iterates over `collection`
       * using `eachFunc`.
       *
       * @private
       * @param {Array|Object} collection The collection to inspect.
       * @param {Function} predicate The function invoked per iteration.
       * @param {Function} eachFunc The function to iterate over `collection`.
       * @returns {*} Returns the found element or its key, else `undefined`.
       */
      function baseFindKey(collection, predicate, eachFunc) {
        var result;
        eachFunc(collection, function(value, key, collection) {
          if (predicate(value, key, collection)) {
            result = key;
            return false;
          }
        });
        return result;
      }

      /**
       * The base implementation of `_.findIndex` and `_.findLastIndex` without
       * support for iteratee shorthands.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {Function} predicate The function invoked per iteration.
       * @param {number} fromIndex The index to search from.
       * @param {boolean} [fromRight] Specify iterating from right to left.
       * @returns {number} Returns the index of the matched value, else `-1`.
       */
      function baseFindIndex(array, predicate, fromIndex, fromRight) {
        var length = array.length,
            index = fromIndex + (fromRight ? 1 : -1);

        while ((fromRight ? index-- : ++index < length)) {
          if (predicate(array[index], index, array)) {
            return index;
          }
        }
        return -1;
      }

      /**
       * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {*} value The value to search for.
       * @param {number} fromIndex The index to search from.
       * @returns {number} Returns the index of the matched value, else `-1`.
       */
      function baseIndexOf(array, value, fromIndex) {
        return value === value
          ? strictIndexOf(array, value, fromIndex)
          : baseFindIndex(array, baseIsNaN, fromIndex);
      }

      /**
       * This function is like `baseIndexOf` except that it accepts a comparator.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {*} value The value to search for.
       * @param {number} fromIndex The index to search from.
       * @param {Function} comparator The comparator invoked per element.
       * @returns {number} Returns the index of the matched value, else `-1`.
       */
      function baseIndexOfWith(array, value, fromIndex, comparator) {
        var index = fromIndex - 1,
            length = array.length;

        while (++index < length) {
          if (comparator(array[index], value)) {
            return index;
          }
        }
        return -1;
      }

      /**
       * The base implementation of `_.isNaN` without support for number objects.
       *
       * @private
       * @param {*} value The value to check.
       * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
       */
      function baseIsNaN(value) {
        return value !== value;
      }

      /**
       * The base implementation of `_.mean` and `_.meanBy` without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} array The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {number} Returns the mean.
       */
      function baseMean(array, iteratee) {
        var length = array == null ? 0 : array.length;
        return length ? (baseSum(array, iteratee) / length) : NAN;
      }

      /**
       * The base implementation of `_.property` without support for deep paths.
       *
       * @private
       * @param {string} key The key of the property to get.
       * @returns {Function} Returns the new accessor function.
       */
      function baseProperty(key) {
        return function(object) {
          return object == null ? undefined$1 : object[key];
        };
      }

      /**
       * The base implementation of `_.propertyOf` without support for deep paths.
       *
       * @private
       * @param {Object} object The object to query.
       * @returns {Function} Returns the new accessor function.
       */
      function basePropertyOf(object) {
        return function(key) {
          return object == null ? undefined$1 : object[key];
        };
      }

      /**
       * The base implementation of `_.reduce` and `_.reduceRight`, without support
       * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
       *
       * @private
       * @param {Array|Object} collection The collection to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @param {*} accumulator The initial value.
       * @param {boolean} initAccum Specify using the first or last element of
       *  `collection` as the initial value.
       * @param {Function} eachFunc The function to iterate over `collection`.
       * @returns {*} Returns the accumulated value.
       */
      function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
        eachFunc(collection, function(value, index, collection) {
          accumulator = initAccum
            ? (initAccum = false, value)
            : iteratee(accumulator, value, index, collection);
        });
        return accumulator;
      }

      /**
       * The base implementation of `_.sortBy` which uses `comparer` to define the
       * sort order of `array` and replaces criteria objects with their corresponding
       * values.
       *
       * @private
       * @param {Array} array The array to sort.
       * @param {Function} comparer The function to define sort order.
       * @returns {Array} Returns `array`.
       */
      function baseSortBy(array, comparer) {
        var length = array.length;

        array.sort(comparer);
        while (length--) {
          array[length] = array[length].value;
        }
        return array;
      }

      /**
       * The base implementation of `_.sum` and `_.sumBy` without support for
       * iteratee shorthands.
       *
       * @private
       * @param {Array} array The array to iterate over.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {number} Returns the sum.
       */
      function baseSum(array, iteratee) {
        var result,
            index = -1,
            length = array.length;

        while (++index < length) {
          var current = iteratee(array[index]);
          if (current !== undefined$1) {
            result = result === undefined$1 ? current : (result + current);
          }
        }
        return result;
      }

      /**
       * The base implementation of `_.times` without support for iteratee shorthands
       * or max array length checks.
       *
       * @private
       * @param {number} n The number of times to invoke `iteratee`.
       * @param {Function} iteratee The function invoked per iteration.
       * @returns {Array} Returns the array of results.
       */
      function baseTimes(n, iteratee) {
        var index = -1,
            result = Array(n);

        while (++index < n) {
          result[index] = iteratee(index);
        }
        return result;
      }

      /**
       * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
       * of key-value pairs for `object` corresponding to the property names of `props`.
       *
       * @private
       * @param {Object} object The object to query.
       * @param {Array} props The property names to get values for.
       * @returns {Object} Returns the key-value pairs.
       */
      function baseToPairs(object, props) {
        return arrayMap(props, function(key) {
          return [key, object[key]];
        });
      }

      /**
       * The base implementation of `_.unary` without support for storing metadata.
       *
       * @private
       * @param {Function} func The function to cap arguments for.
       * @returns {Function} Returns the new capped function.
       */
      function baseUnary(func) {
        return function(value) {
          return func(value);
        };
      }

      /**
       * The base implementation of `_.values` and `_.valuesIn` which creates an
       * array of `object` property values corresponding to the property names
       * of `props`.
       *
       * @private
       * @param {Object} object The object to query.
       * @param {Array} props The property names to get values for.
       * @returns {Object} Returns the array of property values.
       */
      function baseValues(object, props) {
        return arrayMap(props, function(key) {
          return object[key];
        });
      }

      /**
       * Checks if a `cache` value for `key` exists.
       *
       * @private
       * @param {Object} cache The cache to query.
       * @param {string} key The key of the entry to check.
       * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
       */
      function cacheHas(cache, key) {
        return cache.has(key);
      }

      /**
       * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
       * that is not found in the character symbols.
       *
       * @private
       * @param {Array} strSymbols The string symbols to inspect.
       * @param {Array} chrSymbols The character symbols to find.
       * @returns {number} Returns the index of the first unmatched string symbol.
       */
      function charsStartIndex(strSymbols, chrSymbols) {
        var index = -1,
            length = strSymbols.length;

        while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
        return index;
      }

      /**
       * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
       * that is not found in the character symbols.
       *
       * @private
       * @param {Array} strSymbols The string symbols to inspect.
       * @param {Array} chrSymbols The character symbols to find.
       * @returns {number} Returns the index of the last unmatched string symbol.
       */
      function charsEndIndex(strSymbols, chrSymbols) {
        var index = strSymbols.length;

        while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
        return index;
      }

      /**
       * Gets the number of `placeholder` occurrences in `array`.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {*} placeholder The placeholder to search for.
       * @returns {number} Returns the placeholder count.
       */
      function countHolders(array, placeholder) {
        var length = array.length,
            result = 0;

        while (length--) {
          if (array[length] === placeholder) {
            ++result;
          }
        }
        return result;
      }

      /**
       * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
       * letters to basic Latin letters.
       *
       * @private
       * @param {string} letter The matched letter to deburr.
       * @returns {string} Returns the deburred letter.
       */
      var deburrLetter = basePropertyOf(deburredLetters);

      /**
       * Used by `_.escape` to convert characters to HTML entities.
       *
       * @private
       * @param {string} chr The matched character to escape.
       * @returns {string} Returns the escaped character.
       */
      var escapeHtmlChar = basePropertyOf(htmlEscapes);

      /**
       * Used by `_.template` to escape characters for inclusion in compiled string literals.
       *
       * @private
       * @param {string} chr The matched character to escape.
       * @returns {string} Returns the escaped character.
       */
      function escapeStringChar(chr) {
        return '\\' + stringEscapes[chr];
      }

      /**
       * Gets the value at `key` of `object`.
       *
       * @private
       * @param {Object} [object] The object to query.
       * @param {string} key The key of the property to get.
       * @returns {*} Returns the property value.
       */
      function getValue(object, key) {
        return object == null ? undefined$1 : object[key];
      }

      /**
       * Checks if `string` contains Unicode symbols.
       *
       * @private
       * @param {string} string The string to inspect.
       * @returns {boolean} Returns `true` if a symbol is found, else `false`.
       */
      function hasUnicode(string) {
        return reHasUnicode.test(string);
      }

      /**
       * Checks if `string` contains a word composed of Unicode symbols.
       *
       * @private
       * @param {string} string The string to inspect.
       * @returns {boolean} Returns `true` if a word is found, else `false`.
       */
      function hasUnicodeWord(string) {
        return reHasUnicodeWord.test(string);
      }

      /**
       * Converts `iterator` to an array.
       *
       * @private
       * @param {Object} iterator The iterator to convert.
       * @returns {Array} Returns the converted array.
       */
      function iteratorToArray(iterator) {
        var data,
            result = [];

        while (!(data = iterator.next()).done) {
          result.push(data.value);
        }
        return result;
      }

      /**
       * Converts `map` to its key-value pairs.
       *
       * @private
       * @param {Object} map The map to convert.
       * @returns {Array} Returns the key-value pairs.
       */
      function mapToArray(map) {
        var index = -1,
            result = Array(map.size);

        map.forEach(function(value, key) {
          result[++index] = [key, value];
        });
        return result;
      }

      /**
       * Creates a unary function that invokes `func` with its argument transformed.
       *
       * @private
       * @param {Function} func The function to wrap.
       * @param {Function} transform The argument transform.
       * @returns {Function} Returns the new function.
       */
      function overArg(func, transform) {
        return function(arg) {
          return func(transform(arg));
        };
      }

      /**
       * Replaces all `placeholder` elements in `array` with an internal placeholder
       * and returns an array of their indexes.
       *
       * @private
       * @param {Array} array The array to modify.
       * @param {*} placeholder The placeholder to replace.
       * @returns {Array} Returns the new array of placeholder indexes.
       */
      function replaceHolders(array, placeholder) {
        var index = -1,
            length = array.length,
            resIndex = 0,
            result = [];

        while (++index < length) {
          var value = array[index];
          if (value === placeholder || value === PLACEHOLDER) {
            array[index] = PLACEHOLDER;
            result[resIndex++] = index;
          }
        }
        return result;
      }

      /**
       * Converts `set` to an array of its values.
       *
       * @private
       * @param {Object} set The set to convert.
       * @returns {Array} Returns the values.
       */
      function setToArray(set) {
        var index = -1,
            result = Array(set.size);

        set.forEach(function(value) {
          result[++index] = value;
        });
        return result;
      }

      /**
       * Converts `set` to its value-value pairs.
       *
       * @private
       * @param {Object} set The set to convert.
       * @returns {Array} Returns the value-value pairs.
       */
      function setToPairs(set) {
        var index = -1,
            result = Array(set.size);

        set.forEach(function(value) {
          result[++index] = [value, value];
        });
        return result;
      }

      /**
       * A specialized version of `_.indexOf` which performs strict equality
       * comparisons of values, i.e. `===`.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {*} value The value to search for.
       * @param {number} fromIndex The index to search from.
       * @returns {number} Returns the index of the matched value, else `-1`.
       */
      function strictIndexOf(array, value, fromIndex) {
        var index = fromIndex - 1,
            length = array.length;

        while (++index < length) {
          if (array[index] === value) {
            return index;
          }
        }
        return -1;
      }

      /**
       * A specialized version of `_.lastIndexOf` which performs strict equality
       * comparisons of values, i.e. `===`.
       *
       * @private
       * @param {Array} array The array to inspect.
       * @param {*} value The value to search for.
       * @param {number} fromIndex The index to search from.
       * @returns {number} Returns the index of the matched value, else `-1`.
       */
      function strictLastIndexOf(array, value, fromIndex) {
        var index = fromIndex + 1;
        while (index--) {
          if (array[index] === value) {
            return index;
          }
        }
        return index;
      }

      /**
       * Gets the number of symbols in `string`.
       *
       * @private
       * @param {string} string The string to inspect.
       * @returns {number} Returns the string size.
       */
      function stringSize(string) {
        return hasUnicode(string)
          ? unicodeSize(string)
          : asciiSize(string);
      }

      /**
       * Converts `string` to an array.
       *
       * @private
       * @param {string} string The string to convert.
       * @returns {Array} Returns the converted array.
       */
      function stringToArray(string) {
        return hasUnicode(string)
          ? unicodeToArray(string)
          : asciiToArray(string);
      }

      /**
       * Used by `_.unescape` to convert HTML entities to characters.
       *
       * @private
       * @param {string} chr The matched character to unescape.
       * @returns {string} Returns the unescaped character.
       */
      var unescapeHtmlChar = basePropertyOf(htmlUnescapes);

      /**
       * Gets the size of a Unicode `string`.
       *
       * @private
       * @param {string} string The string inspect.
       * @returns {number} Returns the string size.
       */
      function unicodeSize(string) {
        var result = reUnicode.lastIndex = 0;
        while (reUnicode.test(string)) {
          ++result;
        }
        return result;
      }

      /**
       * Converts a Unicode `string` to an array.
       *
       * @private
       * @param {string} string The string to convert.
       * @returns {Array} Returns the converted array.
       */
      function unicodeToArray(string) {
        return string.match(reUnicode) || [];
      }

      /**
       * Splits a Unicode `string` into an array of its words.
       *
       * @private
       * @param {string} The string to inspect.
       * @returns {Array} Returns the words of `string`.
       */
      function unicodeWords(string) {
        return string.match(reUnicodeWord) || [];
      }

      /*--------------------------------------------------------------------------*/

      /**
       * Create a new pristine `lodash` function using the `context` object.
       *
       * @static
       * @memberOf _
       * @since 1.1.0
       * @category Util
       * @param {Object} [context=root] The context object.
       * @returns {Function} Returns a new `lodash` function.
       * @example
       *
       * _.mixin({ 'foo': _.constant('foo') });
       *
       * var lodash = _.runInContext();
       * lodash.mixin({ 'bar': lodash.constant('bar') });
       *
       * _.isFunction(_.foo);
       * // => true
       * _.isFunction(_.bar);
       * // => false
       *
       * lodash.isFunction(lodash.foo);
       * // => false
       * lodash.isFunction(lodash.bar);
       * // => true
       *
       * // Create a suped-up `defer` in Node.js.
       * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
       */
      var runInContext = (function runInContext(context) {
        context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));

        /** Built-in constructor references. */
        var Array = context.Array,
            Date = context.Date,
            Error = context.Error,
            Function = context.Function,
            Math = context.Math,
            Object = context.Object,
            RegExp = context.RegExp,
            String = context.String,
            TypeError = context.TypeError;

        /** Used for built-in method references. */
        var arrayProto = Array.prototype,
            funcProto = Function.prototype,
            objectProto = Object.prototype;

        /** Used to detect overreaching core-js shims. */
        var coreJsData = context['__core-js_shared__'];

        /** Used to resolve the decompiled source of functions. */
        var funcToString = funcProto.toString;

        /** Used to check objects for own properties. */
        var hasOwnProperty = objectProto.hasOwnProperty;

        /** Used to generate unique IDs. */
        var idCounter = 0;

        /** Used to detect methods masquerading as native. */
        var maskSrcKey = (function() {
          var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
          return uid ? ('Symbol(src)_1.' + uid) : '';
        }());

        /**
         * Used to resolve the
         * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
         * of values.
         */
        var nativeObjectToString = objectProto.toString;

        /** Used to infer the `Object` constructor. */
        var objectCtorString = funcToString.call(Object);

        /** Used to restore the original `_` reference in `_.noConflict`. */
        var oldDash = root._;

        /** Used to detect if a method is native. */
        var reIsNative = RegExp('^' +
          funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
          .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
        );

        /** Built-in value references. */
        var Buffer = moduleExports ? context.Buffer : undefined$1,
            Symbol = context.Symbol,
            Uint8Array = context.Uint8Array,
            allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined$1,
            getPrototype = overArg(Object.getPrototypeOf, Object),
            objectCreate = Object.create,
            propertyIsEnumerable = objectProto.propertyIsEnumerable,
            splice = arrayProto.splice,
            spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined$1,
            symIterator = Symbol ? Symbol.iterator : undefined$1,
            symToStringTag = Symbol ? Symbol.toStringTag : undefined$1;

        var defineProperty = (function() {
          try {
            var func = getNative(Object, 'defineProperty');
            func({}, '', {});
            return func;
          } catch (e) {}
        }());

        /** Mocked built-ins. */
        var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
            ctxNow = Date && Date.now !== root.Date.now && Date.now,
            ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;

        /* Built-in method references for those with the same name as other `lodash` methods. */
        var nativeCeil = Math.ceil,
            nativeFloor = Math.floor,
            nativeGetSymbols = Object.getOwnPropertySymbols,
            nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined$1,
            nativeIsFinite = context.isFinite,
            nativeJoin = arrayProto.join,
            nativeKeys = overArg(Object.keys, Object),
            nativeMax = Math.max,
            nativeMin = Math.min,
            nativeNow = Date.now,
            nativeParseInt = context.parseInt,
            nativeRandom = Math.random,
            nativeReverse = arrayProto.reverse;

        /* Built-in method references that are verified to be native. */
        var DataView = getNative(context, 'DataView'),
            Map = getNative(context, 'Map'),
            Promise = getNative(context, 'Promise'),
            Set = getNative(context, 'Set'),
            WeakMap = getNative(context, 'WeakMap'),
            nativeCreate = getNative(Object, 'create');

        /** Used to store function metadata. */
        var metaMap = WeakMap && new WeakMap;

        /** Used to lookup unminified function names. */
        var realNames = {};

        /** Used to detect maps, sets, and weakmaps. */
        var dataViewCtorString = toSource(DataView),
            mapCtorString = toSource(Map),
            promiseCtorString = toSource(Promise),
            setCtorString = toSource(Set),
            weakMapCtorString = toSource(WeakMap);

        /** Used to convert symbols to primitives and strings. */
        var symbolProto = Symbol ? Symbol.prototype : undefined$1,
            symbolValueOf = symbolProto ? symbolProto.valueOf : undefined$1,
            symbolToString = symbolProto ? symbolProto.toString : undefined$1;

        /*------------------------------------------------------------------------*/

        /**
         * Creates a `lodash` object which wraps `value` to enable implicit method
         * chain sequences. Methods that operate on and return arrays, collections,
         * and functions can be chained together. Methods that retrieve a single value
         * or may return a primitive value will automatically end the chain sequence
         * and return the unwrapped value. Otherwise, the value must be unwrapped
         * with `_#value`.
         *
         * Explicit chain sequences, which must be unwrapped with `_#value`, may be
         * enabled using `_.chain`.
         *
         * The execution of chained methods is lazy, that is, it's deferred until
         * `_#value` is implicitly or explicitly called.
         *
         * Lazy evaluation allows several methods to support shortcut fusion.
         * Shortcut fusion is an optimization to merge iteratee calls; this avoids
         * the creation of intermediate arrays and can greatly reduce the number of
         * iteratee executions. Sections of a chain sequence qualify for shortcut
         * fusion if the section is applied to an array and iteratees accept only
         * one argument. The heuristic for whether a section qualifies for shortcut
         * fusion is subject to change.
         *
         * Chaining is supported in custom builds as long as the `_#value` method is
         * directly or indirectly included in the build.
         *
         * In addition to lodash methods, wrappers have `Array` and `String` methods.
         *
         * The wrapper `Array` methods are:
         * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
         *
         * The wrapper `String` methods are:
         * `replace` and `split`
         *
         * The wrapper methods that support shortcut fusion are:
         * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
         * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
         * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
         *
         * The chainable wrapper methods are:
         * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
         * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
         * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
         * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
         * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
         * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
         * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
         * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
         * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
         * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
         * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
         * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
         * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
         * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
         * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
         * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
         * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
         * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
         * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
         * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
         * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
         * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
         * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
         * `zipObject`, `zipObjectDeep`, and `zipWith`
         *
         * The wrapper methods that are **not** chainable by default are:
         * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
         * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
         * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
         * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
         * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
         * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
         * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
         * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
         * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
         * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
         * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
         * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
         * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
         * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
         * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
         * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
         * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
         * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
         * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
         * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
         * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
         * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
         * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
         * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
         * `upperFirst`, `value`, and `words`
         *
         * @name _
         * @constructor
         * @category Seq
         * @param {*} value The value to wrap in a `lodash` instance.
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * var wrapped = _([1, 2, 3]);
         *
         * // Returns an unwrapped value.
         * wrapped.reduce(_.add);
         * // => 6
         *
         * // Returns a wrapped value.
         * var squares = wrapped.map(square);
         *
         * _.isArray(squares);
         * // => false
         *
         * _.isArray(squares.value());
         * // => true
         */
        function lodash(value) {
          if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
            if (value instanceof LodashWrapper) {
              return value;
            }
            if (hasOwnProperty.call(value, '__wrapped__')) {
              return wrapperClone(value);
            }
          }
          return new LodashWrapper(value);
        }

        /**
         * The base implementation of `_.create` without support for assigning
         * properties to the created object.
         *
         * @private
         * @param {Object} proto The object to inherit from.
         * @returns {Object} Returns the new object.
         */
        var baseCreate = (function() {
          function object() {}
          return function(proto) {
            if (!isObject(proto)) {
              return {};
            }
            if (objectCreate) {
              return objectCreate(proto);
            }
            object.prototype = proto;
            var result = new object;
            object.prototype = undefined$1;
            return result;
          };
        }());

        /**
         * The function whose prototype chain sequence wrappers inherit from.
         *
         * @private
         */
        function baseLodash() {
          // No operation performed.
        }

        /**
         * The base constructor for creating `lodash` wrapper objects.
         *
         * @private
         * @param {*} value The value to wrap.
         * @param {boolean} [chainAll] Enable explicit method chain sequences.
         */
        function LodashWrapper(value, chainAll) {
          this.__wrapped__ = value;
          this.__actions__ = [];
          this.__chain__ = !!chainAll;
          this.__index__ = 0;
          this.__values__ = undefined$1;
        }

        /**
         * By default, the template delimiters used by lodash are like those in
         * embedded Ruby (ERB) as well as ES2015 template strings. Change the
         * following template settings to use alternative delimiters.
         *
         * @static
         * @memberOf _
         * @type {Object}
         */
        lodash.templateSettings = {

          /**
           * Used to detect `data` property values to be HTML-escaped.
           *
           * @memberOf _.templateSettings
           * @type {RegExp}
           */
          'escape': reEscape,

          /**
           * Used to detect code to be evaluated.
           *
           * @memberOf _.templateSettings
           * @type {RegExp}
           */
          'evaluate': reEvaluate,

          /**
           * Used to detect `data` property values to inject.
           *
           * @memberOf _.templateSettings
           * @type {RegExp}
           */
          'interpolate': reInterpolate,

          /**
           * Used to reference the data object in the template text.
           *
           * @memberOf _.templateSettings
           * @type {string}
           */
          'variable': '',

          /**
           * Used to import variables into the compiled template.
           *
           * @memberOf _.templateSettings
           * @type {Object}
           */
          'imports': {

            /**
             * A reference to the `lodash` function.
             *
             * @memberOf _.templateSettings.imports
             * @type {Function}
             */
            '_': lodash
          }
        };

        // Ensure wrappers are instances of `baseLodash`.
        lodash.prototype = baseLodash.prototype;
        lodash.prototype.constructor = lodash;

        LodashWrapper.prototype = baseCreate(baseLodash.prototype);
        LodashWrapper.prototype.constructor = LodashWrapper;

        /*------------------------------------------------------------------------*/

        /**
         * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
         *
         * @private
         * @constructor
         * @param {*} value The value to wrap.
         */
        function LazyWrapper(value) {
          this.__wrapped__ = value;
          this.__actions__ = [];
          this.__dir__ = 1;
          this.__filtered__ = false;
          this.__iteratees__ = [];
          this.__takeCount__ = MAX_ARRAY_LENGTH;
          this.__views__ = [];
        }

        /**
         * Creates a clone of the lazy wrapper object.
         *
         * @private
         * @name clone
         * @memberOf LazyWrapper
         * @returns {Object} Returns the cloned `LazyWrapper` object.
         */
        function lazyClone() {
          var result = new LazyWrapper(this.__wrapped__);
          result.__actions__ = copyArray(this.__actions__);
          result.__dir__ = this.__dir__;
          result.__filtered__ = this.__filtered__;
          result.__iteratees__ = copyArray(this.__iteratees__);
          result.__takeCount__ = this.__takeCount__;
          result.__views__ = copyArray(this.__views__);
          return result;
        }

        /**
         * Reverses the direction of lazy iteration.
         *
         * @private
         * @name reverse
         * @memberOf LazyWrapper
         * @returns {Object} Returns the new reversed `LazyWrapper` object.
         */
        function lazyReverse() {
          if (this.__filtered__) {
            var result = new LazyWrapper(this);
            result.__dir__ = -1;
            result.__filtered__ = true;
          } else {
            result = this.clone();
            result.__dir__ *= -1;
          }
          return result;
        }

        /**
         * Extracts the unwrapped value from its lazy wrapper.
         *
         * @private
         * @name value
         * @memberOf LazyWrapper
         * @returns {*} Returns the unwrapped value.
         */
        function lazyValue() {
          var array = this.__wrapped__.value(),
              dir = this.__dir__,
              isArr = isArray(array),
              isRight = dir < 0,
              arrLength = isArr ? array.length : 0,
              view = getView(0, arrLength, this.__views__),
              start = view.start,
              end = view.end,
              length = end - start,
              index = isRight ? end : (start - 1),
              iteratees = this.__iteratees__,
              iterLength = iteratees.length,
              resIndex = 0,
              takeCount = nativeMin(length, this.__takeCount__);

          if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
            return baseWrapperValue(array, this.__actions__);
          }
          var result = [];

          outer:
          while (length-- && resIndex < takeCount) {
            index += dir;

            var iterIndex = -1,
                value = array[index];

            while (++iterIndex < iterLength) {
              var data = iteratees[iterIndex],
                  iteratee = data.iteratee,
                  type = data.type,
                  computed = iteratee(value);

              if (type == LAZY_MAP_FLAG) {
                value = computed;
              } else if (!computed) {
                if (type == LAZY_FILTER_FLAG) {
                  continue outer;
                } else {
                  break outer;
                }
              }
            }
            result[resIndex++] = value;
          }
          return result;
        }

        // Ensure `LazyWrapper` is an instance of `baseLodash`.
        LazyWrapper.prototype = baseCreate(baseLodash.prototype);
        LazyWrapper.prototype.constructor = LazyWrapper;

        /*------------------------------------------------------------------------*/

        /**
         * Creates a hash object.
         *
         * @private
         * @constructor
         * @param {Array} [entries] The key-value pairs to cache.
         */
        function Hash(entries) {
          var index = -1,
              length = entries == null ? 0 : entries.length;

          this.clear();
          while (++index < length) {
            var entry = entries[index];
            this.set(entry[0], entry[1]);
          }
        }

        /**
         * Removes all key-value entries from the hash.
         *
         * @private
         * @name clear
         * @memberOf Hash
         */
        function hashClear() {
          this.__data__ = nativeCreate ? nativeCreate(null) : {};
          this.size = 0;
        }

        /**
         * Removes `key` and its value from the hash.
         *
         * @private
         * @name delete
         * @memberOf Hash
         * @param {Object} hash The hash to modify.
         * @param {string} key The key of the value to remove.
         * @returns {boolean} Returns `true` if the entry was removed, else `false`.
         */
        function hashDelete(key) {
          var result = this.has(key) && delete this.__data__[key];
          this.size -= result ? 1 : 0;
          return result;
        }

        /**
         * Gets the hash value for `key`.
         *
         * @private
         * @name get
         * @memberOf Hash
         * @param {string} key The key of the value to get.
         * @returns {*} Returns the entry value.
         */
        function hashGet(key) {
          var data = this.__data__;
          if (nativeCreate) {
            var result = data[key];
            return result === HASH_UNDEFINED ? undefined$1 : result;
          }
          return hasOwnProperty.call(data, key) ? data[key] : undefined$1;
        }

        /**
         * Checks if a hash value for `key` exists.
         *
         * @private
         * @name has
         * @memberOf Hash
         * @param {string} key The key of the entry to check.
         * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
         */
        function hashHas(key) {
          var data = this.__data__;
          return nativeCreate ? (data[key] !== undefined$1) : hasOwnProperty.call(data, key);
        }

        /**
         * Sets the hash `key` to `value`.
         *
         * @private
         * @name set
         * @memberOf Hash
         * @param {string} key The key of the value to set.
         * @param {*} value The value to set.
         * @returns {Object} Returns the hash instance.
         */
        function hashSet(key, value) {
          var data = this.__data__;
          this.size += this.has(key) ? 0 : 1;
          data[key] = (nativeCreate && value === undefined$1) ? HASH_UNDEFINED : value;
          return this;
        }

        // Add methods to `Hash`.
        Hash.prototype.clear = hashClear;
        Hash.prototype['delete'] = hashDelete;
        Hash.prototype.get = hashGet;
        Hash.prototype.has = hashHas;
        Hash.prototype.set = hashSet;

        /*------------------------------------------------------------------------*/

        /**
         * Creates an list cache object.
         *
         * @private
         * @constructor
         * @param {Array} [entries] The key-value pairs to cache.
         */
        function ListCache(entries) {
          var index = -1,
              length = entries == null ? 0 : entries.length;

          this.clear();
          while (++index < length) {
            var entry = entries[index];
            this.set(entry[0], entry[1]);
          }
        }

        /**
         * Removes all key-value entries from the list cache.
         *
         * @private
         * @name clear
         * @memberOf ListCache
         */
        function listCacheClear() {
          this.__data__ = [];
          this.size = 0;
        }

        /**
         * Removes `key` and its value from the list cache.
         *
         * @private
         * @name delete
         * @memberOf ListCache
         * @param {string} key The key of the value to remove.
         * @returns {boolean} Returns `true` if the entry was removed, else `false`.
         */
        function listCacheDelete(key) {
          var data = this.__data__,
              index = assocIndexOf(data, key);

          if (index < 0) {
            return false;
          }
          var lastIndex = data.length - 1;
          if (index == lastIndex) {
            data.pop();
          } else {
            splice.call(data, index, 1);
          }
          --this.size;
          return true;
        }

        /**
         * Gets the list cache value for `key`.
         *
         * @private
         * @name get
         * @memberOf ListCache
         * @param {string} key The key of the value to get.
         * @returns {*} Returns the entry value.
         */
        function listCacheGet(key) {
          var data = this.__data__,
              index = assocIndexOf(data, key);

          return index < 0 ? undefined$1 : data[index][1];
        }

        /**
         * Checks if a list cache value for `key` exists.
         *
         * @private
         * @name has
         * @memberOf ListCache
         * @param {string} key The key of the entry to check.
         * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
         */
        function listCacheHas(key) {
          return assocIndexOf(this.__data__, key) > -1;
        }

        /**
         * Sets the list cache `key` to `value`.
         *
         * @private
         * @name set
         * @memberOf ListCache
         * @param {string} key The key of the value to set.
         * @param {*} value The value to set.
         * @returns {Object} Returns the list cache instance.
         */
        function listCacheSet(key, value) {
          var data = this.__data__,
              index = assocIndexOf(data, key);

          if (index < 0) {
            ++this.size;
            data.push([key, value]);
          } else {
            data[index][1] = value;
          }
          return this;
        }

        // Add methods to `ListCache`.
        ListCache.prototype.clear = listCacheClear;
        ListCache.prototype['delete'] = listCacheDelete;
        ListCache.prototype.get = listCacheGet;
        ListCache.prototype.has = listCacheHas;
        ListCache.prototype.set = listCacheSet;

        /*------------------------------------------------------------------------*/

        /**
         * Creates a map cache object to store key-value pairs.
         *
         * @private
         * @constructor
         * @param {Array} [entries] The key-value pairs to cache.
         */
        function MapCache(entries) {
          var index = -1,
              length = entries == null ? 0 : entries.length;

          this.clear();
          while (++index < length) {
            var entry = entries[index];
            this.set(entry[0], entry[1]);
          }
        }

        /**
         * Removes all key-value entries from the map.
         *
         * @private
         * @name clear
         * @memberOf MapCache
         */
        function mapCacheClear() {
          this.size = 0;
          this.__data__ = {
            'hash': new Hash,
            'map': new (Map || ListCache),
            'string': new Hash
          };
        }

        /**
         * Removes `key` and its value from the map.
         *
         * @private
         * @name delete
         * @memberOf MapCache
         * @param {string} key The key of the value to remove.
         * @returns {boolean} Returns `true` if the entry was removed, else `false`.
         */
        function mapCacheDelete(key) {
          var result = getMapData(this, key)['delete'](key);
          this.size -= result ? 1 : 0;
          return result;
        }

        /**
         * Gets the map value for `key`.
         *
         * @private
         * @name get
         * @memberOf MapCache
         * @param {string} key The key of the value to get.
         * @returns {*} Returns the entry value.
         */
        function mapCacheGet(key) {
          return getMapData(this, key).get(key);
        }

        /**
         * Checks if a map value for `key` exists.
         *
         * @private
         * @name has
         * @memberOf MapCache
         * @param {string} key The key of the entry to check.
         * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
         */
        function mapCacheHas(key) {
          return getMapData(this, key).has(key);
        }

        /**
         * Sets the map `key` to `value`.
         *
         * @private
         * @name set
         * @memberOf MapCache
         * @param {string} key The key of the value to set.
         * @param {*} value The value to set.
         * @returns {Object} Returns the map cache instance.
         */
        function mapCacheSet(key, value) {
          var data = getMapData(this, key),
              size = data.size;

          data.set(key, value);
          this.size += data.size == size ? 0 : 1;
          return this;
        }

        // Add methods to `MapCache`.
        MapCache.prototype.clear = mapCacheClear;
        MapCache.prototype['delete'] = mapCacheDelete;
        MapCache.prototype.get = mapCacheGet;
        MapCache.prototype.has = mapCacheHas;
        MapCache.prototype.set = mapCacheSet;

        /*------------------------------------------------------------------------*/

        /**
         *
         * Creates an array cache object to store unique values.
         *
         * @private
         * @constructor
         * @param {Array} [values] The values to cache.
         */
        function SetCache(values) {
          var index = -1,
              length = values == null ? 0 : values.length;

          this.__data__ = new MapCache;
          while (++index < length) {
            this.add(values[index]);
          }
        }

        /**
         * Adds `value` to the array cache.
         *
         * @private
         * @name add
         * @memberOf SetCache
         * @alias push
         * @param {*} value The value to cache.
         * @returns {Object} Returns the cache instance.
         */
        function setCacheAdd(value) {
          this.__data__.set(value, HASH_UNDEFINED);
          return this;
        }

        /**
         * Checks if `value` is in the array cache.
         *
         * @private
         * @name has
         * @memberOf SetCache
         * @param {*} value The value to search for.
         * @returns {number} Returns `true` if `value` is found, else `false`.
         */
        function setCacheHas(value) {
          return this.__data__.has(value);
        }

        // Add methods to `SetCache`.
        SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
        SetCache.prototype.has = setCacheHas;

        /*------------------------------------------------------------------------*/

        /**
         * Creates a stack cache object to store key-value pairs.
         *
         * @private
         * @constructor
         * @param {Array} [entries] The key-value pairs to cache.
         */
        function Stack(entries) {
          var data = this.__data__ = new ListCache(entries);
          this.size = data.size;
        }

        /**
         * Removes all key-value entries from the stack.
         *
         * @private
         * @name clear
         * @memberOf Stack
         */
        function stackClear() {
          this.__data__ = new ListCache;
          this.size = 0;
        }

        /**
         * Removes `key` and its value from the stack.
         *
         * @private
         * @name delete
         * @memberOf Stack
         * @param {string} key The key of the value to remove.
         * @returns {boolean} Returns `true` if the entry was removed, else `false`.
         */
        function stackDelete(key) {
          var data = this.__data__,
              result = data['delete'](key);

          this.size = data.size;
          return result;
        }

        /**
         * Gets the stack value for `key`.
         *
         * @private
         * @name get
         * @memberOf Stack
         * @param {string} key The key of the value to get.
         * @returns {*} Returns the entry value.
         */
        function stackGet(key) {
          return this.__data__.get(key);
        }

        /**
         * Checks if a stack value for `key` exists.
         *
         * @private
         * @name has
         * @memberOf Stack
         * @param {string} key The key of the entry to check.
         * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
         */
        function stackHas(key) {
          return this.__data__.has(key);
        }

        /**
         * Sets the stack `key` to `value`.
         *
         * @private
         * @name set
         * @memberOf Stack
         * @param {string} key The key of the value to set.
         * @param {*} value The value to set.
         * @returns {Object} Returns the stack cache instance.
         */
        function stackSet(key, value) {
          var data = this.__data__;
          if (data instanceof ListCache) {
            var pairs = data.__data__;
            if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
              pairs.push([key, value]);
              this.size = ++data.size;
              return this;
            }
            data = this.__data__ = new MapCache(pairs);
          }
          data.set(key, value);
          this.size = data.size;
          return this;
        }

        // Add methods to `Stack`.
        Stack.prototype.clear = stackClear;
        Stack.prototype['delete'] = stackDelete;
        Stack.prototype.get = stackGet;
        Stack.prototype.has = stackHas;
        Stack.prototype.set = stackSet;

        /*------------------------------------------------------------------------*/

        /**
         * Creates an array of the enumerable property names of the array-like `value`.
         *
         * @private
         * @param {*} value The value to query.
         * @param {boolean} inherited Specify returning inherited property names.
         * @returns {Array} Returns the array of property names.
         */
        function arrayLikeKeys(value, inherited) {
          var isArr = isArray(value),
              isArg = !isArr && isArguments(value),
              isBuff = !isArr && !isArg && isBuffer(value),
              isType = !isArr && !isArg && !isBuff && isTypedArray(value),
              skipIndexes = isArr || isArg || isBuff || isType,
              result = skipIndexes ? baseTimes(value.length, String) : [],
              length = result.length;

          for (var key in value) {
            if ((inherited || hasOwnProperty.call(value, key)) &&
                !(skipIndexes && (
                   // Safari 9 has enumerable `arguments.length` in strict mode.
                   key == 'length' ||
                   // Node.js 0.10 has enumerable non-index properties on buffers.
                   (isBuff && (key == 'offset' || key == 'parent')) ||
                   // PhantomJS 2 has enumerable non-index properties on typed arrays.
                   (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
                   // Skip index properties.
                   isIndex(key, length)
                ))) {
              result.push(key);
            }
          }
          return result;
        }

        /**
         * A specialized version of `_.sample` for arrays.
         *
         * @private
         * @param {Array} array The array to sample.
         * @returns {*} Returns the random element.
         */
        function arraySample(array) {
          var length = array.length;
          return length ? array[baseRandom(0, length - 1)] : undefined$1;
        }

        /**
         * A specialized version of `_.sampleSize` for arrays.
         *
         * @private
         * @param {Array} array The array to sample.
         * @param {number} n The number of elements to sample.
         * @returns {Array} Returns the random elements.
         */
        function arraySampleSize(array, n) {
          return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
        }

        /**
         * A specialized version of `_.shuffle` for arrays.
         *
         * @private
         * @param {Array} array The array to shuffle.
         * @returns {Array} Returns the new shuffled array.
         */
        function arrayShuffle(array) {
          return shuffleSelf(copyArray(array));
        }

        /**
         * This function is like `assignValue` except that it doesn't assign
         * `undefined` values.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {string} key The key of the property to assign.
         * @param {*} value The value to assign.
         */
        function assignMergeValue(object, key, value) {
          if ((value !== undefined$1 && !eq(object[key], value)) ||
              (value === undefined$1 && !(key in object))) {
            baseAssignValue(object, key, value);
          }
        }

        /**
         * Assigns `value` to `key` of `object` if the existing value is not equivalent
         * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {string} key The key of the property to assign.
         * @param {*} value The value to assign.
         */
        function assignValue(object, key, value) {
          var objValue = object[key];
          if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
              (value === undefined$1 && !(key in object))) {
            baseAssignValue(object, key, value);
          }
        }

        /**
         * Gets the index at which the `key` is found in `array` of key-value pairs.
         *
         * @private
         * @param {Array} array The array to inspect.
         * @param {*} key The key to search for.
         * @returns {number} Returns the index of the matched value, else `-1`.
         */
        function assocIndexOf(array, key) {
          var length = array.length;
          while (length--) {
            if (eq(array[length][0], key)) {
              return length;
            }
          }
          return -1;
        }

        /**
         * Aggregates elements of `collection` on `accumulator` with keys transformed
         * by `iteratee` and values set by `setter`.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} setter The function to set `accumulator` values.
         * @param {Function} iteratee The iteratee to transform keys.
         * @param {Object} accumulator The initial aggregated object.
         * @returns {Function} Returns `accumulator`.
         */
        function baseAggregator(collection, setter, iteratee, accumulator) {
          baseEach(collection, function(value, key, collection) {
            setter(accumulator, value, iteratee(value), collection);
          });
          return accumulator;
        }

        /**
         * The base implementation of `_.assign` without support for multiple sources
         * or `customizer` functions.
         *
         * @private
         * @param {Object} object The destination object.
         * @param {Object} source The source object.
         * @returns {Object} Returns `object`.
         */
        function baseAssign(object, source) {
          return object && copyObject(source, keys(source), object);
        }

        /**
         * The base implementation of `_.assignIn` without support for multiple sources
         * or `customizer` functions.
         *
         * @private
         * @param {Object} object The destination object.
         * @param {Object} source The source object.
         * @returns {Object} Returns `object`.
         */
        function baseAssignIn(object, source) {
          return object && copyObject(source, keysIn(source), object);
        }

        /**
         * The base implementation of `assignValue` and `assignMergeValue` without
         * value checks.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {string} key The key of the property to assign.
         * @param {*} value The value to assign.
         */
        function baseAssignValue(object, key, value) {
          if (key == '__proto__' && defineProperty) {
            defineProperty(object, key, {
              'configurable': true,
              'enumerable': true,
              'value': value,
              'writable': true
            });
          } else {
            object[key] = value;
          }
        }

        /**
         * The base implementation of `_.at` without support for individual paths.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {string[]} paths The property paths to pick.
         * @returns {Array} Returns the picked elements.
         */
        function baseAt(object, paths) {
          var index = -1,
              length = paths.length,
              result = Array(length),
              skip = object == null;

          while (++index < length) {
            result[index] = skip ? undefined$1 : get(object, paths[index]);
          }
          return result;
        }

        /**
         * The base implementation of `_.clamp` which doesn't coerce arguments.
         *
         * @private
         * @param {number} number The number to clamp.
         * @param {number} [lower] The lower bound.
         * @param {number} upper The upper bound.
         * @returns {number} Returns the clamped number.
         */
        function baseClamp(number, lower, upper) {
          if (number === number) {
            if (upper !== undefined$1) {
              number = number <= upper ? number : upper;
            }
            if (lower !== undefined$1) {
              number = number >= lower ? number : lower;
            }
          }
          return number;
        }

        /**
         * The base implementation of `_.clone` and `_.cloneDeep` which tracks
         * traversed objects.
         *
         * @private
         * @param {*} value The value to clone.
         * @param {boolean} bitmask The bitmask flags.
         *  1 - Deep clone
         *  2 - Flatten inherited properties
         *  4 - Clone symbols
         * @param {Function} [customizer] The function to customize cloning.
         * @param {string} [key] The key of `value`.
         * @param {Object} [object] The parent object of `value`.
         * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
         * @returns {*} Returns the cloned value.
         */
        function baseClone(value, bitmask, customizer, key, object, stack) {
          var result,
              isDeep = bitmask & CLONE_DEEP_FLAG,
              isFlat = bitmask & CLONE_FLAT_FLAG,
              isFull = bitmask & CLONE_SYMBOLS_FLAG;

          if (customizer) {
            result = object ? customizer(value, key, object, stack) : customizer(value);
          }
          if (result !== undefined$1) {
            return result;
          }
          if (!isObject(value)) {
            return value;
          }
          var isArr = isArray(value);
          if (isArr) {
            result = initCloneArray(value);
            if (!isDeep) {
              return copyArray(value, result);
            }
          } else {
            var tag = getTag(value),
                isFunc = tag == funcTag || tag == genTag;

            if (isBuffer(value)) {
              return cloneBuffer(value, isDeep);
            }
            if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
              result = (isFlat || isFunc) ? {} : initCloneObject(value);
              if (!isDeep) {
                return isFlat
                  ? copySymbolsIn(value, baseAssignIn(result, value))
                  : copySymbols(value, baseAssign(result, value));
              }
            } else {
              if (!cloneableTags[tag]) {
                return object ? value : {};
              }
              result = initCloneByTag(value, tag, isDeep);
            }
          }
          // Check for circular references and return its corresponding clone.
          stack || (stack = new Stack);
          var stacked = stack.get(value);
          if (stacked) {
            return stacked;
          }
          stack.set(value, result);

          if (isSet(value)) {
            value.forEach(function(subValue) {
              result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
            });
          } else if (isMap(value)) {
            value.forEach(function(subValue, key) {
              result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));
            });
          }

          var keysFunc = isFull
            ? (isFlat ? getAllKeysIn : getAllKeys)
            : (isFlat ? keysIn : keys);

          var props = isArr ? undefined$1 : keysFunc(value);
          arrayEach(props || value, function(subValue, key) {
            if (props) {
              key = subValue;
              subValue = value[key];
            }
            // Recursively populate clone (susceptible to call stack limits).
            assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
          });
          return result;
        }

        /**
         * The base implementation of `_.conforms` which doesn't clone `source`.
         *
         * @private
         * @param {Object} source The object of property predicates to conform to.
         * @returns {Function} Returns the new spec function.
         */
        function baseConforms(source) {
          var props = keys(source);
          return function(object) {
            return baseConformsTo(object, source, props);
          };
        }

        /**
         * The base implementation of `_.conformsTo` which accepts `props` to check.
         *
         * @private
         * @param {Object} object The object to inspect.
         * @param {Object} source The object of property predicates to conform to.
         * @returns {boolean} Returns `true` if `object` conforms, else `false`.
         */
        function baseConformsTo(object, source, props) {
          var length = props.length;
          if (object == null) {
            return !length;
          }
          object = Object(object);
          while (length--) {
            var key = props[length],
                predicate = source[key],
                value = object[key];

            if ((value === undefined$1 && !(key in object)) || !predicate(value)) {
              return false;
            }
          }
          return true;
        }

        /**
         * The base implementation of `_.delay` and `_.defer` which accepts `args`
         * to provide to `func`.
         *
         * @private
         * @param {Function} func The function to delay.
         * @param {number} wait The number of milliseconds to delay invocation.
         * @param {Array} args The arguments to provide to `func`.
         * @returns {number|Object} Returns the timer id or timeout object.
         */
        function baseDelay(func, wait, args) {
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          return setTimeout(function() { func.apply(undefined$1, args); }, wait);
        }

        /**
         * The base implementation of methods like `_.difference` without support
         * for excluding multiple arrays or iteratee shorthands.
         *
         * @private
         * @param {Array} array The array to inspect.
         * @param {Array} values The values to exclude.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of filtered values.
         */
        function baseDifference(array, values, iteratee, comparator) {
          var index = -1,
              includes = arrayIncludes,
              isCommon = true,
              length = array.length,
              result = [],
              valuesLength = values.length;

          if (!length) {
            return result;
          }
          if (iteratee) {
            values = arrayMap(values, baseUnary(iteratee));
          }
          if (comparator) {
            includes = arrayIncludesWith;
            isCommon = false;
          }
          else if (values.length >= LARGE_ARRAY_SIZE) {
            includes = cacheHas;
            isCommon = false;
            values = new SetCache(values);
          }
          outer:
          while (++index < length) {
            var value = array[index],
                computed = iteratee == null ? value : iteratee(value);

            value = (comparator || value !== 0) ? value : 0;
            if (isCommon && computed === computed) {
              var valuesIndex = valuesLength;
              while (valuesIndex--) {
                if (values[valuesIndex] === computed) {
                  continue outer;
                }
              }
              result.push(value);
            }
            else if (!includes(values, computed, comparator)) {
              result.push(value);
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.forEach` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @returns {Array|Object} Returns `collection`.
         */
        var baseEach = createBaseEach(baseForOwn);

        /**
         * The base implementation of `_.forEachRight` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @returns {Array|Object} Returns `collection`.
         */
        var baseEachRight = createBaseEach(baseForOwnRight, true);

        /**
         * The base implementation of `_.every` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} predicate The function invoked per iteration.
         * @returns {boolean} Returns `true` if all elements pass the predicate check,
         *  else `false`
         */
        function baseEvery(collection, predicate) {
          var result = true;
          baseEach(collection, function(value, index, collection) {
            result = !!predicate(value, index, collection);
            return result;
          });
          return result;
        }

        /**
         * The base implementation of methods like `_.max` and `_.min` which accepts a
         * `comparator` to determine the extremum value.
         *
         * @private
         * @param {Array} array The array to iterate over.
         * @param {Function} iteratee The iteratee invoked per iteration.
         * @param {Function} comparator The comparator used to compare values.
         * @returns {*} Returns the extremum value.
         */
        function baseExtremum(array, iteratee, comparator) {
          var index = -1,
              length = array.length;

          while (++index < length) {
            var value = array[index],
                current = iteratee(value);

            if (current != null && (computed === undefined$1
                  ? (current === current && !isSymbol(current))
                  : comparator(current, computed)
                )) {
              var computed = current,
                  result = value;
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.fill` without an iteratee call guard.
         *
         * @private
         * @param {Array} array The array to fill.
         * @param {*} value The value to fill `array` with.
         * @param {number} [start=0] The start position.
         * @param {number} [end=array.length] The end position.
         * @returns {Array} Returns `array`.
         */
        function baseFill(array, value, start, end) {
          var length = array.length;

          start = toInteger(start);
          if (start < 0) {
            start = -start > length ? 0 : (length + start);
          }
          end = (end === undefined$1 || end > length) ? length : toInteger(end);
          if (end < 0) {
            end += length;
          }
          end = start > end ? 0 : toLength(end);
          while (start < end) {
            array[start++] = value;
          }
          return array;
        }

        /**
         * The base implementation of `_.filter` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} predicate The function invoked per iteration.
         * @returns {Array} Returns the new filtered array.
         */
        function baseFilter(collection, predicate) {
          var result = [];
          baseEach(collection, function(value, index, collection) {
            if (predicate(value, index, collection)) {
              result.push(value);
            }
          });
          return result;
        }

        /**
         * The base implementation of `_.flatten` with support for restricting flattening.
         *
         * @private
         * @param {Array} array The array to flatten.
         * @param {number} depth The maximum recursion depth.
         * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
         * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
         * @param {Array} [result=[]] The initial result value.
         * @returns {Array} Returns the new flattened array.
         */
        function baseFlatten(array, depth, predicate, isStrict, result) {
          var index = -1,
              length = array.length;

          predicate || (predicate = isFlattenable);
          result || (result = []);

          while (++index < length) {
            var value = array[index];
            if (depth > 0 && predicate(value)) {
              if (depth > 1) {
                // Recursively flatten arrays (susceptible to call stack limits).
                baseFlatten(value, depth - 1, predicate, isStrict, result);
              } else {
                arrayPush(result, value);
              }
            } else if (!isStrict) {
              result[result.length] = value;
            }
          }
          return result;
        }

        /**
         * The base implementation of `baseForOwn` which iterates over `object`
         * properties returned by `keysFunc` and invokes `iteratee` for each property.
         * Iteratee functions may exit iteration early by explicitly returning `false`.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @param {Function} keysFunc The function to get the keys of `object`.
         * @returns {Object} Returns `object`.
         */
        var baseFor = createBaseFor();

        /**
         * This function is like `baseFor` except that it iterates over properties
         * in the opposite order.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @param {Function} keysFunc The function to get the keys of `object`.
         * @returns {Object} Returns `object`.
         */
        var baseForRight = createBaseFor(true);

        /**
         * The base implementation of `_.forOwn` without support for iteratee shorthands.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @returns {Object} Returns `object`.
         */
        function baseForOwn(object, iteratee) {
          return object && baseFor(object, iteratee, keys);
        }

        /**
         * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @returns {Object} Returns `object`.
         */
        function baseForOwnRight(object, iteratee) {
          return object && baseForRight(object, iteratee, keys);
        }

        /**
         * The base implementation of `_.functions` which creates an array of
         * `object` function property names filtered from `props`.
         *
         * @private
         * @param {Object} object The object to inspect.
         * @param {Array} props The property names to filter.
         * @returns {Array} Returns the function names.
         */
        function baseFunctions(object, props) {
          return arrayFilter(props, function(key) {
            return isFunction(object[key]);
          });
        }

        /**
         * The base implementation of `_.get` without support for default values.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {Array|string} path The path of the property to get.
         * @returns {*} Returns the resolved value.
         */
        function baseGet(object, path) {
          path = castPath(path, object);

          var index = 0,
              length = path.length;

          while (object != null && index < length) {
            object = object[toKey(path[index++])];
          }
          return (index && index == length) ? object : undefined$1;
        }

        /**
         * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
         * `keysFunc` and `symbolsFunc` to get the enumerable property names and
         * symbols of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {Function} keysFunc The function to get the keys of `object`.
         * @param {Function} symbolsFunc The function to get the symbols of `object`.
         * @returns {Array} Returns the array of property names and symbols.
         */
        function baseGetAllKeys(object, keysFunc, symbolsFunc) {
          var result = keysFunc(object);
          return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
        }

        /**
         * The base implementation of `getTag` without fallbacks for buggy environments.
         *
         * @private
         * @param {*} value The value to query.
         * @returns {string} Returns the `toStringTag`.
         */
        function baseGetTag(value) {
          if (value == null) {
            return value === undefined$1 ? undefinedTag : nullTag;
          }
          return (symToStringTag && symToStringTag in Object(value))
            ? getRawTag(value)
            : objectToString(value);
        }

        /**
         * The base implementation of `_.gt` which doesn't coerce arguments.
         *
         * @private
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is greater than `other`,
         *  else `false`.
         */
        function baseGt(value, other) {
          return value > other;
        }

        /**
         * The base implementation of `_.has` without support for deep paths.
         *
         * @private
         * @param {Object} [object] The object to query.
         * @param {Array|string} key The key to check.
         * @returns {boolean} Returns `true` if `key` exists, else `false`.
         */
        function baseHas(object, key) {
          return object != null && hasOwnProperty.call(object, key);
        }

        /**
         * The base implementation of `_.hasIn` without support for deep paths.
         *
         * @private
         * @param {Object} [object] The object to query.
         * @param {Array|string} key The key to check.
         * @returns {boolean} Returns `true` if `key` exists, else `false`.
         */
        function baseHasIn(object, key) {
          return object != null && key in Object(object);
        }

        /**
         * The base implementation of `_.inRange` which doesn't coerce arguments.
         *
         * @private
         * @param {number} number The number to check.
         * @param {number} start The start of the range.
         * @param {number} end The end of the range.
         * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
         */
        function baseInRange(number, start, end) {
          return number >= nativeMin(start, end) && number < nativeMax(start, end);
        }

        /**
         * The base implementation of methods like `_.intersection`, without support
         * for iteratee shorthands, that accepts an array of arrays to inspect.
         *
         * @private
         * @param {Array} arrays The arrays to inspect.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of shared values.
         */
        function baseIntersection(arrays, iteratee, comparator) {
          var includes = comparator ? arrayIncludesWith : arrayIncludes,
              length = arrays[0].length,
              othLength = arrays.length,
              othIndex = othLength,
              caches = Array(othLength),
              maxLength = Infinity,
              result = [];

          while (othIndex--) {
            var array = arrays[othIndex];
            if (othIndex && iteratee) {
              array = arrayMap(array, baseUnary(iteratee));
            }
            maxLength = nativeMin(array.length, maxLength);
            caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
              ? new SetCache(othIndex && array)
              : undefined$1;
          }
          array = arrays[0];

          var index = -1,
              seen = caches[0];

          outer:
          while (++index < length && result.length < maxLength) {
            var value = array[index],
                computed = iteratee ? iteratee(value) : value;

            value = (comparator || value !== 0) ? value : 0;
            if (!(seen
                  ? cacheHas(seen, computed)
                  : includes(result, computed, comparator)
                )) {
              othIndex = othLength;
              while (--othIndex) {
                var cache = caches[othIndex];
                if (!(cache
                      ? cacheHas(cache, computed)
                      : includes(arrays[othIndex], computed, comparator))
                    ) {
                  continue outer;
                }
              }
              if (seen) {
                seen.push(computed);
              }
              result.push(value);
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.invert` and `_.invertBy` which inverts
         * `object` with values transformed by `iteratee` and set by `setter`.
         *
         * @private
         * @param {Object} object The object to iterate over.
         * @param {Function} setter The function to set `accumulator` values.
         * @param {Function} iteratee The iteratee to transform values.
         * @param {Object} accumulator The initial inverted object.
         * @returns {Function} Returns `accumulator`.
         */
        function baseInverter(object, setter, iteratee, accumulator) {
          baseForOwn(object, function(value, key, object) {
            setter(accumulator, iteratee(value), key, object);
          });
          return accumulator;
        }

        /**
         * The base implementation of `_.invoke` without support for individual
         * method arguments.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {Array|string} path The path of the method to invoke.
         * @param {Array} args The arguments to invoke the method with.
         * @returns {*} Returns the result of the invoked method.
         */
        function baseInvoke(object, path, args) {
          path = castPath(path, object);
          object = parent(object, path);
          var func = object == null ? object : object[toKey(last(path))];
          return func == null ? undefined$1 : apply(func, object, args);
        }

        /**
         * The base implementation of `_.isArguments`.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an `arguments` object,
         */
        function baseIsArguments(value) {
          return isObjectLike(value) && baseGetTag(value) == argsTag;
        }

        /**
         * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
         */
        function baseIsArrayBuffer(value) {
          return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
        }

        /**
         * The base implementation of `_.isDate` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
         */
        function baseIsDate(value) {
          return isObjectLike(value) && baseGetTag(value) == dateTag;
        }

        /**
         * The base implementation of `_.isEqual` which supports partial comparisons
         * and tracks traversed objects.
         *
         * @private
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @param {boolean} bitmask The bitmask flags.
         *  1 - Unordered comparison
         *  2 - Partial comparison
         * @param {Function} [customizer] The function to customize comparisons.
         * @param {Object} [stack] Tracks traversed `value` and `other` objects.
         * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
         */
        function baseIsEqual(value, other, bitmask, customizer, stack) {
          if (value === other) {
            return true;
          }
          if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
            return value !== value && other !== other;
          }
          return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
        }

        /**
         * A specialized version of `baseIsEqual` for arrays and objects which performs
         * deep comparisons and tracks traversed objects enabling objects with circular
         * references to be compared.
         *
         * @private
         * @param {Object} object The object to compare.
         * @param {Object} other The other object to compare.
         * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
         * @param {Function} customizer The function to customize comparisons.
         * @param {Function} equalFunc The function to determine equivalents of values.
         * @param {Object} [stack] Tracks traversed `object` and `other` objects.
         * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
         */
        function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
          var objIsArr = isArray(object),
              othIsArr = isArray(other),
              objTag = objIsArr ? arrayTag : getTag(object),
              othTag = othIsArr ? arrayTag : getTag(other);

          objTag = objTag == argsTag ? objectTag : objTag;
          othTag = othTag == argsTag ? objectTag : othTag;

          var objIsObj = objTag == objectTag,
              othIsObj = othTag == objectTag,
              isSameTag = objTag == othTag;

          if (isSameTag && isBuffer(object)) {
            if (!isBuffer(other)) {
              return false;
            }
            objIsArr = true;
            objIsObj = false;
          }
          if (isSameTag && !objIsObj) {
            stack || (stack = new Stack);
            return (objIsArr || isTypedArray(object))
              ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
              : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
          }
          if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
            var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
                othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

            if (objIsWrapped || othIsWrapped) {
              var objUnwrapped = objIsWrapped ? object.value() : object,
                  othUnwrapped = othIsWrapped ? other.value() : other;

              stack || (stack = new Stack);
              return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
            }
          }
          if (!isSameTag) {
            return false;
          }
          stack || (stack = new Stack);
          return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
        }

        /**
         * The base implementation of `_.isMap` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a map, else `false`.
         */
        function baseIsMap(value) {
          return isObjectLike(value) && getTag(value) == mapTag;
        }

        /**
         * The base implementation of `_.isMatch` without support for iteratee shorthands.
         *
         * @private
         * @param {Object} object The object to inspect.
         * @param {Object} source The object of property values to match.
         * @param {Array} matchData The property names, values, and compare flags to match.
         * @param {Function} [customizer] The function to customize comparisons.
         * @returns {boolean} Returns `true` if `object` is a match, else `false`.
         */
        function baseIsMatch(object, source, matchData, customizer) {
          var index = matchData.length,
              length = index,
              noCustomizer = !customizer;

          if (object == null) {
            return !length;
          }
          object = Object(object);
          while (index--) {
            var data = matchData[index];
            if ((noCustomizer && data[2])
                  ? data[1] !== object[data[0]]
                  : !(data[0] in object)
                ) {
              return false;
            }
          }
          while (++index < length) {
            data = matchData[index];
            var key = data[0],
                objValue = object[key],
                srcValue = data[1];

            if (noCustomizer && data[2]) {
              if (objValue === undefined$1 && !(key in object)) {
                return false;
              }
            } else {
              var stack = new Stack;
              if (customizer) {
                var result = customizer(objValue, srcValue, key, object, source, stack);
              }
              if (!(result === undefined$1
                    ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
                    : result
                  )) {
                return false;
              }
            }
          }
          return true;
        }

        /**
         * The base implementation of `_.isNative` without bad shim checks.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a native function,
         *  else `false`.
         */
        function baseIsNative(value) {
          if (!isObject(value) || isMasked(value)) {
            return false;
          }
          var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
          return pattern.test(toSource(value));
        }

        /**
         * The base implementation of `_.isRegExp` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
         */
        function baseIsRegExp(value) {
          return isObjectLike(value) && baseGetTag(value) == regexpTag;
        }

        /**
         * The base implementation of `_.isSet` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a set, else `false`.
         */
        function baseIsSet(value) {
          return isObjectLike(value) && getTag(value) == setTag;
        }

        /**
         * The base implementation of `_.isTypedArray` without Node.js optimizations.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
         */
        function baseIsTypedArray(value) {
          return isObjectLike(value) &&
            isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
        }

        /**
         * The base implementation of `_.iteratee`.
         *
         * @private
         * @param {*} [value=_.identity] The value to convert to an iteratee.
         * @returns {Function} Returns the iteratee.
         */
        function baseIteratee(value) {
          // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
          // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
          if (typeof value == 'function') {
            return value;
          }
          if (value == null) {
            return identity;
          }
          if (typeof value == 'object') {
            return isArray(value)
              ? baseMatchesProperty(value[0], value[1])
              : baseMatches(value);
          }
          return property(value);
        }

        /**
         * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names.
         */
        function baseKeys(object) {
          if (!isPrototype(object)) {
            return nativeKeys(object);
          }
          var result = [];
          for (var key in Object(object)) {
            if (hasOwnProperty.call(object, key) && key != 'constructor') {
              result.push(key);
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names.
         */
        function baseKeysIn(object) {
          if (!isObject(object)) {
            return nativeKeysIn(object);
          }
          var isProto = isPrototype(object),
              result = [];

          for (var key in object) {
            if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
              result.push(key);
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.lt` which doesn't coerce arguments.
         *
         * @private
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is less than `other`,
         *  else `false`.
         */
        function baseLt(value, other) {
          return value < other;
        }

        /**
         * The base implementation of `_.map` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} iteratee The function invoked per iteration.
         * @returns {Array} Returns the new mapped array.
         */
        function baseMap(collection, iteratee) {
          var index = -1,
              result = isArrayLike(collection) ? Array(collection.length) : [];

          baseEach(collection, function(value, key, collection) {
            result[++index] = iteratee(value, key, collection);
          });
          return result;
        }

        /**
         * The base implementation of `_.matches` which doesn't clone `source`.
         *
         * @private
         * @param {Object} source The object of property values to match.
         * @returns {Function} Returns the new spec function.
         */
        function baseMatches(source) {
          var matchData = getMatchData(source);
          if (matchData.length == 1 && matchData[0][2]) {
            return matchesStrictComparable(matchData[0][0], matchData[0][1]);
          }
          return function(object) {
            return object === source || baseIsMatch(object, source, matchData);
          };
        }

        /**
         * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
         *
         * @private
         * @param {string} path The path of the property to get.
         * @param {*} srcValue The value to match.
         * @returns {Function} Returns the new spec function.
         */
        function baseMatchesProperty(path, srcValue) {
          if (isKey(path) && isStrictComparable(srcValue)) {
            return matchesStrictComparable(toKey(path), srcValue);
          }
          return function(object) {
            var objValue = get(object, path);
            return (objValue === undefined$1 && objValue === srcValue)
              ? hasIn(object, path)
              : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
          };
        }

        /**
         * The base implementation of `_.merge` without support for multiple sources.
         *
         * @private
         * @param {Object} object The destination object.
         * @param {Object} source The source object.
         * @param {number} srcIndex The index of `source`.
         * @param {Function} [customizer] The function to customize merged values.
         * @param {Object} [stack] Tracks traversed source values and their merged
         *  counterparts.
         */
        function baseMerge(object, source, srcIndex, customizer, stack) {
          if (object === source) {
            return;
          }
          baseFor(source, function(srcValue, key) {
            stack || (stack = new Stack);
            if (isObject(srcValue)) {
              baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
            }
            else {
              var newValue = customizer
                ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)
                : undefined$1;

              if (newValue === undefined$1) {
                newValue = srcValue;
              }
              assignMergeValue(object, key, newValue);
            }
          }, keysIn);
        }

        /**
         * A specialized version of `baseMerge` for arrays and objects which performs
         * deep merges and tracks traversed objects enabling objects with circular
         * references to be merged.
         *
         * @private
         * @param {Object} object The destination object.
         * @param {Object} source The source object.
         * @param {string} key The key of the value to merge.
         * @param {number} srcIndex The index of `source`.
         * @param {Function} mergeFunc The function to merge values.
         * @param {Function} [customizer] The function to customize assigned values.
         * @param {Object} [stack] Tracks traversed source values and their merged
         *  counterparts.
         */
        function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
          var objValue = safeGet(object, key),
              srcValue = safeGet(source, key),
              stacked = stack.get(srcValue);

          if (stacked) {
            assignMergeValue(object, key, stacked);
            return;
          }
          var newValue = customizer
            ? customizer(objValue, srcValue, (key + ''), object, source, stack)
            : undefined$1;

          var isCommon = newValue === undefined$1;

          if (isCommon) {
            var isArr = isArray(srcValue),
                isBuff = !isArr && isBuffer(srcValue),
                isTyped = !isArr && !isBuff && isTypedArray(srcValue);

            newValue = srcValue;
            if (isArr || isBuff || isTyped) {
              if (isArray(objValue)) {
                newValue = objValue;
              }
              else if (isArrayLikeObject(objValue)) {
                newValue = copyArray(objValue);
              }
              else if (isBuff) {
                isCommon = false;
                newValue = cloneBuffer(srcValue, true);
              }
              else if (isTyped) {
                isCommon = false;
                newValue = cloneTypedArray(srcValue, true);
              }
              else {
                newValue = [];
              }
            }
            else if (isPlainObject(srcValue) || isArguments(srcValue)) {
              newValue = objValue;
              if (isArguments(objValue)) {
                newValue = toPlainObject(objValue);
              }
              else if (!isObject(objValue) || isFunction(objValue)) {
                newValue = initCloneObject(srcValue);
              }
            }
            else {
              isCommon = false;
            }
          }
          if (isCommon) {
            // Recursively merge objects and arrays (susceptible to call stack limits).
            stack.set(srcValue, newValue);
            mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
            stack['delete'](srcValue);
          }
          assignMergeValue(object, key, newValue);
        }

        /**
         * The base implementation of `_.nth` which doesn't coerce arguments.
         *
         * @private
         * @param {Array} array The array to query.
         * @param {number} n The index of the element to return.
         * @returns {*} Returns the nth element of `array`.
         */
        function baseNth(array, n) {
          var length = array.length;
          if (!length) {
            return;
          }
          n += n < 0 ? length : 0;
          return isIndex(n, length) ? array[n] : undefined$1;
        }

        /**
         * The base implementation of `_.orderBy` without param guards.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
         * @param {string[]} orders The sort orders of `iteratees`.
         * @returns {Array} Returns the new sorted array.
         */
        function baseOrderBy(collection, iteratees, orders) {
          var index = -1;
          iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));

          var result = baseMap(collection, function(value, key, collection) {
            var criteria = arrayMap(iteratees, function(iteratee) {
              return iteratee(value);
            });
            return { 'criteria': criteria, 'index': ++index, 'value': value };
          });

          return baseSortBy(result, function(object, other) {
            return compareMultiple(object, other, orders);
          });
        }

        /**
         * The base implementation of `_.pick` without support for individual
         * property identifiers.
         *
         * @private
         * @param {Object} object The source object.
         * @param {string[]} paths The property paths to pick.
         * @returns {Object} Returns the new object.
         */
        function basePick(object, paths) {
          return basePickBy(object, paths, function(value, path) {
            return hasIn(object, path);
          });
        }

        /**
         * The base implementation of  `_.pickBy` without support for iteratee shorthands.
         *
         * @private
         * @param {Object} object The source object.
         * @param {string[]} paths The property paths to pick.
         * @param {Function} predicate The function invoked per property.
         * @returns {Object} Returns the new object.
         */
        function basePickBy(object, paths, predicate) {
          var index = -1,
              length = paths.length,
              result = {};

          while (++index < length) {
            var path = paths[index],
                value = baseGet(object, path);

            if (predicate(value, path)) {
              baseSet(result, castPath(path, object), value);
            }
          }
          return result;
        }

        /**
         * A specialized version of `baseProperty` which supports deep paths.
         *
         * @private
         * @param {Array|string} path The path of the property to get.
         * @returns {Function} Returns the new accessor function.
         */
        function basePropertyDeep(path) {
          return function(object) {
            return baseGet(object, path);
          };
        }

        /**
         * The base implementation of `_.pullAllBy` without support for iteratee
         * shorthands.
         *
         * @private
         * @param {Array} array The array to modify.
         * @param {Array} values The values to remove.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns `array`.
         */
        function basePullAll(array, values, iteratee, comparator) {
          var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
              index = -1,
              length = values.length,
              seen = array;

          if (array === values) {
            values = copyArray(values);
          }
          if (iteratee) {
            seen = arrayMap(array, baseUnary(iteratee));
          }
          while (++index < length) {
            var fromIndex = 0,
                value = values[index],
                computed = iteratee ? iteratee(value) : value;

            while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
              if (seen !== array) {
                splice.call(seen, fromIndex, 1);
              }
              splice.call(array, fromIndex, 1);
            }
          }
          return array;
        }

        /**
         * The base implementation of `_.pullAt` without support for individual
         * indexes or capturing the removed elements.
         *
         * @private
         * @param {Array} array The array to modify.
         * @param {number[]} indexes The indexes of elements to remove.
         * @returns {Array} Returns `array`.
         */
        function basePullAt(array, indexes) {
          var length = array ? indexes.length : 0,
              lastIndex = length - 1;

          while (length--) {
            var index = indexes[length];
            if (length == lastIndex || index !== previous) {
              var previous = index;
              if (isIndex(index)) {
                splice.call(array, index, 1);
              } else {
                baseUnset(array, index);
              }
            }
          }
          return array;
        }

        /**
         * The base implementation of `_.random` without support for returning
         * floating-point numbers.
         *
         * @private
         * @param {number} lower The lower bound.
         * @param {number} upper The upper bound.
         * @returns {number} Returns the random number.
         */
        function baseRandom(lower, upper) {
          return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
        }

        /**
         * The base implementation of `_.range` and `_.rangeRight` which doesn't
         * coerce arguments.
         *
         * @private
         * @param {number} start The start of the range.
         * @param {number} end The end of the range.
         * @param {number} step The value to increment or decrement by.
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Array} Returns the range of numbers.
         */
        function baseRange(start, end, step, fromRight) {
          var index = -1,
              length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
              result = Array(length);

          while (length--) {
            result[fromRight ? length : ++index] = start;
            start += step;
          }
          return result;
        }

        /**
         * The base implementation of `_.repeat` which doesn't coerce arguments.
         *
         * @private
         * @param {string} string The string to repeat.
         * @param {number} n The number of times to repeat the string.
         * @returns {string} Returns the repeated string.
         */
        function baseRepeat(string, n) {
          var result = '';
          if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
            return result;
          }
          // Leverage the exponentiation by squaring algorithm for a faster repeat.
          // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
          do {
            if (n % 2) {
              result += string;
            }
            n = nativeFloor(n / 2);
            if (n) {
              string += string;
            }
          } while (n);

          return result;
        }

        /**
         * The base implementation of `_.rest` which doesn't validate or coerce arguments.
         *
         * @private
         * @param {Function} func The function to apply a rest parameter to.
         * @param {number} [start=func.length-1] The start position of the rest parameter.
         * @returns {Function} Returns the new function.
         */
        function baseRest(func, start) {
          return setToString(overRest(func, start, identity), func + '');
        }

        /**
         * The base implementation of `_.sample`.
         *
         * @private
         * @param {Array|Object} collection The collection to sample.
         * @returns {*} Returns the random element.
         */
        function baseSample(collection) {
          return arraySample(values(collection));
        }

        /**
         * The base implementation of `_.sampleSize` without param guards.
         *
         * @private
         * @param {Array|Object} collection The collection to sample.
         * @param {number} n The number of elements to sample.
         * @returns {Array} Returns the random elements.
         */
        function baseSampleSize(collection, n) {
          var array = values(collection);
          return shuffleSelf(array, baseClamp(n, 0, array.length));
        }

        /**
         * The base implementation of `_.set`.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to set.
         * @param {*} value The value to set.
         * @param {Function} [customizer] The function to customize path creation.
         * @returns {Object} Returns `object`.
         */
        function baseSet(object, path, value, customizer) {
          if (!isObject(object)) {
            return object;
          }
          path = castPath(path, object);

          var index = -1,
              length = path.length,
              lastIndex = length - 1,
              nested = object;

          while (nested != null && ++index < length) {
            var key = toKey(path[index]),
                newValue = value;

            if (index != lastIndex) {
              var objValue = nested[key];
              newValue = customizer ? customizer(objValue, key, nested) : undefined$1;
              if (newValue === undefined$1) {
                newValue = isObject(objValue)
                  ? objValue
                  : (isIndex(path[index + 1]) ? [] : {});
              }
            }
            assignValue(nested, key, newValue);
            nested = nested[key];
          }
          return object;
        }

        /**
         * The base implementation of `setData` without support for hot loop shorting.
         *
         * @private
         * @param {Function} func The function to associate metadata with.
         * @param {*} data The metadata.
         * @returns {Function} Returns `func`.
         */
        var baseSetData = !metaMap ? identity : function(func, data) {
          metaMap.set(func, data);
          return func;
        };

        /**
         * The base implementation of `setToString` without support for hot loop shorting.
         *
         * @private
         * @param {Function} func The function to modify.
         * @param {Function} string The `toString` result.
         * @returns {Function} Returns `func`.
         */
        var baseSetToString = !defineProperty ? identity : function(func, string) {
          return defineProperty(func, 'toString', {
            'configurable': true,
            'enumerable': false,
            'value': constant(string),
            'writable': true
          });
        };

        /**
         * The base implementation of `_.shuffle`.
         *
         * @private
         * @param {Array|Object} collection The collection to shuffle.
         * @returns {Array} Returns the new shuffled array.
         */
        function baseShuffle(collection) {
          return shuffleSelf(values(collection));
        }

        /**
         * The base implementation of `_.slice` without an iteratee call guard.
         *
         * @private
         * @param {Array} array The array to slice.
         * @param {number} [start=0] The start position.
         * @param {number} [end=array.length] The end position.
         * @returns {Array} Returns the slice of `array`.
         */
        function baseSlice(array, start, end) {
          var index = -1,
              length = array.length;

          if (start < 0) {
            start = -start > length ? 0 : (length + start);
          }
          end = end > length ? length : end;
          if (end < 0) {
            end += length;
          }
          length = start > end ? 0 : ((end - start) >>> 0);
          start >>>= 0;

          var result = Array(length);
          while (++index < length) {
            result[index] = array[index + start];
          }
          return result;
        }

        /**
         * The base implementation of `_.some` without support for iteratee shorthands.
         *
         * @private
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} predicate The function invoked per iteration.
         * @returns {boolean} Returns `true` if any element passes the predicate check,
         *  else `false`.
         */
        function baseSome(collection, predicate) {
          var result;

          baseEach(collection, function(value, index, collection) {
            result = predicate(value, index, collection);
            return !result;
          });
          return !!result;
        }

        /**
         * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
         * performs a binary search of `array` to determine the index at which `value`
         * should be inserted into `array` in order to maintain its sort order.
         *
         * @private
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @param {boolean} [retHighest] Specify returning the highest qualified index.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         */
        function baseSortedIndex(array, value, retHighest) {
          var low = 0,
              high = array == null ? low : array.length;

          if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
            while (low < high) {
              var mid = (low + high) >>> 1,
                  computed = array[mid];

              if (computed !== null && !isSymbol(computed) &&
                  (retHighest ? (computed <= value) : (computed < value))) {
                low = mid + 1;
              } else {
                high = mid;
              }
            }
            return high;
          }
          return baseSortedIndexBy(array, value, identity, retHighest);
        }

        /**
         * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
         * which invokes `iteratee` for `value` and each element of `array` to compute
         * their sort ranking. The iteratee is invoked with one argument; (value).
         *
         * @private
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @param {Function} iteratee The iteratee invoked per element.
         * @param {boolean} [retHighest] Specify returning the highest qualified index.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         */
        function baseSortedIndexBy(array, value, iteratee, retHighest) {
          value = iteratee(value);

          var low = 0,
              high = array == null ? 0 : array.length,
              valIsNaN = value !== value,
              valIsNull = value === null,
              valIsSymbol = isSymbol(value),
              valIsUndefined = value === undefined$1;

          while (low < high) {
            var mid = nativeFloor((low + high) / 2),
                computed = iteratee(array[mid]),
                othIsDefined = computed !== undefined$1,
                othIsNull = computed === null,
                othIsReflexive = computed === computed,
                othIsSymbol = isSymbol(computed);

            if (valIsNaN) {
              var setLow = retHighest || othIsReflexive;
            } else if (valIsUndefined) {
              setLow = othIsReflexive && (retHighest || othIsDefined);
            } else if (valIsNull) {
              setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
            } else if (valIsSymbol) {
              setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
            } else if (othIsNull || othIsSymbol) {
              setLow = false;
            } else {
              setLow = retHighest ? (computed <= value) : (computed < value);
            }
            if (setLow) {
              low = mid + 1;
            } else {
              high = mid;
            }
          }
          return nativeMin(high, MAX_ARRAY_INDEX);
        }

        /**
         * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
         * support for iteratee shorthands.
         *
         * @private
         * @param {Array} array The array to inspect.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @returns {Array} Returns the new duplicate free array.
         */
        function baseSortedUniq(array, iteratee) {
          var index = -1,
              length = array.length,
              resIndex = 0,
              result = [];

          while (++index < length) {
            var value = array[index],
                computed = iteratee ? iteratee(value) : value;

            if (!index || !eq(computed, seen)) {
              var seen = computed;
              result[resIndex++] = value === 0 ? 0 : value;
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.toNumber` which doesn't ensure correct
         * conversions of binary, hexadecimal, or octal string values.
         *
         * @private
         * @param {*} value The value to process.
         * @returns {number} Returns the number.
         */
        function baseToNumber(value) {
          if (typeof value == 'number') {
            return value;
          }
          if (isSymbol(value)) {
            return NAN;
          }
          return +value;
        }

        /**
         * The base implementation of `_.toString` which doesn't convert nullish
         * values to empty strings.
         *
         * @private
         * @param {*} value The value to process.
         * @returns {string} Returns the string.
         */
        function baseToString(value) {
          // Exit early for strings to avoid a performance hit in some environments.
          if (typeof value == 'string') {
            return value;
          }
          if (isArray(value)) {
            // Recursively convert values (susceptible to call stack limits).
            return arrayMap(value, baseToString) + '';
          }
          if (isSymbol(value)) {
            return symbolToString ? symbolToString.call(value) : '';
          }
          var result = (value + '');
          return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
        }

        /**
         * The base implementation of `_.uniqBy` without support for iteratee shorthands.
         *
         * @private
         * @param {Array} array The array to inspect.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new duplicate free array.
         */
        function baseUniq(array, iteratee, comparator) {
          var index = -1,
              includes = arrayIncludes,
              length = array.length,
              isCommon = true,
              result = [],
              seen = result;

          if (comparator) {
            isCommon = false;
            includes = arrayIncludesWith;
          }
          else if (length >= LARGE_ARRAY_SIZE) {
            var set = iteratee ? null : createSet(array);
            if (set) {
              return setToArray(set);
            }
            isCommon = false;
            includes = cacheHas;
            seen = new SetCache;
          }
          else {
            seen = iteratee ? [] : result;
          }
          outer:
          while (++index < length) {
            var value = array[index],
                computed = iteratee ? iteratee(value) : value;

            value = (comparator || value !== 0) ? value : 0;
            if (isCommon && computed === computed) {
              var seenIndex = seen.length;
              while (seenIndex--) {
                if (seen[seenIndex] === computed) {
                  continue outer;
                }
              }
              if (iteratee) {
                seen.push(computed);
              }
              result.push(value);
            }
            else if (!includes(seen, computed, comparator)) {
              if (seen !== result) {
                seen.push(computed);
              }
              result.push(value);
            }
          }
          return result;
        }

        /**
         * The base implementation of `_.unset`.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {Array|string} path The property path to unset.
         * @returns {boolean} Returns `true` if the property is deleted, else `false`.
         */
        function baseUnset(object, path) {
          path = castPath(path, object);
          object = parent(object, path);
          return object == null || delete object[toKey(last(path))];
        }

        /**
         * The base implementation of `_.update`.
         *
         * @private
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to update.
         * @param {Function} updater The function to produce the updated value.
         * @param {Function} [customizer] The function to customize path creation.
         * @returns {Object} Returns `object`.
         */
        function baseUpdate(object, path, updater, customizer) {
          return baseSet(object, path, updater(baseGet(object, path)), customizer);
        }

        /**
         * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
         * without support for iteratee shorthands.
         *
         * @private
         * @param {Array} array The array to query.
         * @param {Function} predicate The function invoked per iteration.
         * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Array} Returns the slice of `array`.
         */
        function baseWhile(array, predicate, isDrop, fromRight) {
          var length = array.length,
              index = fromRight ? length : -1;

          while ((fromRight ? index-- : ++index < length) &&
            predicate(array[index], index, array)) {}

          return isDrop
            ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
            : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
        }

        /**
         * The base implementation of `wrapperValue` which returns the result of
         * performing a sequence of actions on the unwrapped `value`, where each
         * successive action is supplied the return value of the previous.
         *
         * @private
         * @param {*} value The unwrapped value.
         * @param {Array} actions Actions to perform to resolve the unwrapped value.
         * @returns {*} Returns the resolved value.
         */
        function baseWrapperValue(value, actions) {
          var result = value;
          if (result instanceof LazyWrapper) {
            result = result.value();
          }
          return arrayReduce(actions, function(result, action) {
            return action.func.apply(action.thisArg, arrayPush([result], action.args));
          }, result);
        }

        /**
         * The base implementation of methods like `_.xor`, without support for
         * iteratee shorthands, that accepts an array of arrays to inspect.
         *
         * @private
         * @param {Array} arrays The arrays to inspect.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of values.
         */
        function baseXor(arrays, iteratee, comparator) {
          var length = arrays.length;
          if (length < 2) {
            return length ? baseUniq(arrays[0]) : [];
          }
          var index = -1,
              result = Array(length);

          while (++index < length) {
            var array = arrays[index],
                othIndex = -1;

            while (++othIndex < length) {
              if (othIndex != index) {
                result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
              }
            }
          }
          return baseUniq(baseFlatten(result, 1), iteratee, comparator);
        }

        /**
         * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
         *
         * @private
         * @param {Array} props The property identifiers.
         * @param {Array} values The property values.
         * @param {Function} assignFunc The function to assign values.
         * @returns {Object} Returns the new object.
         */
        function baseZipObject(props, values, assignFunc) {
          var index = -1,
              length = props.length,
              valsLength = values.length,
              result = {};

          while (++index < length) {
            var value = index < valsLength ? values[index] : undefined$1;
            assignFunc(result, props[index], value);
          }
          return result;
        }

        /**
         * Casts `value` to an empty array if it's not an array like object.
         *
         * @private
         * @param {*} value The value to inspect.
         * @returns {Array|Object} Returns the cast array-like object.
         */
        function castArrayLikeObject(value) {
          return isArrayLikeObject(value) ? value : [];
        }

        /**
         * Casts `value` to `identity` if it's not a function.
         *
         * @private
         * @param {*} value The value to inspect.
         * @returns {Function} Returns cast function.
         */
        function castFunction(value) {
          return typeof value == 'function' ? value : identity;
        }

        /**
         * Casts `value` to a path array if it's not one.
         *
         * @private
         * @param {*} value The value to inspect.
         * @param {Object} [object] The object to query keys on.
         * @returns {Array} Returns the cast property path array.
         */
        function castPath(value, object) {
          if (isArray(value)) {
            return value;
          }
          return isKey(value, object) ? [value] : stringToPath(toString(value));
        }

        /**
         * A `baseRest` alias which can be replaced with `identity` by module
         * replacement plugins.
         *
         * @private
         * @type {Function}
         * @param {Function} func The function to apply a rest parameter to.
         * @returns {Function} Returns the new function.
         */
        var castRest = baseRest;

        /**
         * Casts `array` to a slice if it's needed.
         *
         * @private
         * @param {Array} array The array to inspect.
         * @param {number} start The start position.
         * @param {number} [end=array.length] The end position.
         * @returns {Array} Returns the cast slice.
         */
        function castSlice(array, start, end) {
          var length = array.length;
          end = end === undefined$1 ? length : end;
          return (!start && end >= length) ? array : baseSlice(array, start, end);
        }

        /**
         * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
         *
         * @private
         * @param {number|Object} id The timer id or timeout object of the timer to clear.
         */
        var clearTimeout = ctxClearTimeout || function(id) {
          return root.clearTimeout(id);
        };

        /**
         * Creates a clone of  `buffer`.
         *
         * @private
         * @param {Buffer} buffer The buffer to clone.
         * @param {boolean} [isDeep] Specify a deep clone.
         * @returns {Buffer} Returns the cloned buffer.
         */
        function cloneBuffer(buffer, isDeep) {
          if (isDeep) {
            return buffer.slice();
          }
          var length = buffer.length,
              result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);

          buffer.copy(result);
          return result;
        }

        /**
         * Creates a clone of `arrayBuffer`.
         *
         * @private
         * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
         * @returns {ArrayBuffer} Returns the cloned array buffer.
         */
        function cloneArrayBuffer(arrayBuffer) {
          var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
          new Uint8Array(result).set(new Uint8Array(arrayBuffer));
          return result;
        }

        /**
         * Creates a clone of `dataView`.
         *
         * @private
         * @param {Object} dataView The data view to clone.
         * @param {boolean} [isDeep] Specify a deep clone.
         * @returns {Object} Returns the cloned data view.
         */
        function cloneDataView(dataView, isDeep) {
          var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
          return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
        }

        /**
         * Creates a clone of `regexp`.
         *
         * @private
         * @param {Object} regexp The regexp to clone.
         * @returns {Object} Returns the cloned regexp.
         */
        function cloneRegExp(regexp) {
          var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
          result.lastIndex = regexp.lastIndex;
          return result;
        }

        /**
         * Creates a clone of the `symbol` object.
         *
         * @private
         * @param {Object} symbol The symbol object to clone.
         * @returns {Object} Returns the cloned symbol object.
         */
        function cloneSymbol(symbol) {
          return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
        }

        /**
         * Creates a clone of `typedArray`.
         *
         * @private
         * @param {Object} typedArray The typed array to clone.
         * @param {boolean} [isDeep] Specify a deep clone.
         * @returns {Object} Returns the cloned typed array.
         */
        function cloneTypedArray(typedArray, isDeep) {
          var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
          return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
        }

        /**
         * Compares values to sort them in ascending order.
         *
         * @private
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {number} Returns the sort order indicator for `value`.
         */
        function compareAscending(value, other) {
          if (value !== other) {
            var valIsDefined = value !== undefined$1,
                valIsNull = value === null,
                valIsReflexive = value === value,
                valIsSymbol = isSymbol(value);

            var othIsDefined = other !== undefined$1,
                othIsNull = other === null,
                othIsReflexive = other === other,
                othIsSymbol = isSymbol(other);

            if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
                (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
                (valIsNull && othIsDefined && othIsReflexive) ||
                (!valIsDefined && othIsReflexive) ||
                !valIsReflexive) {
              return 1;
            }
            if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
                (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
                (othIsNull && valIsDefined && valIsReflexive) ||
                (!othIsDefined && valIsReflexive) ||
                !othIsReflexive) {
              return -1;
            }
          }
          return 0;
        }

        /**
         * Used by `_.orderBy` to compare multiple properties of a value to another
         * and stable sort them.
         *
         * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
         * specify an order of "desc" for descending or "asc" for ascending sort order
         * of corresponding values.
         *
         * @private
         * @param {Object} object The object to compare.
         * @param {Object} other The other object to compare.
         * @param {boolean[]|string[]} orders The order to sort by for each property.
         * @returns {number} Returns the sort order indicator for `object`.
         */
        function compareMultiple(object, other, orders) {
          var index = -1,
              objCriteria = object.criteria,
              othCriteria = other.criteria,
              length = objCriteria.length,
              ordersLength = orders.length;

          while (++index < length) {
            var result = compareAscending(objCriteria[index], othCriteria[index]);
            if (result) {
              if (index >= ordersLength) {
                return result;
              }
              var order = orders[index];
              return result * (order == 'desc' ? -1 : 1);
            }
          }
          // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
          // that causes it, under certain circumstances, to provide the same value for
          // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
          // for more details.
          //
          // This also ensures a stable sort in V8 and other engines.
          // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
          return object.index - other.index;
        }

        /**
         * Creates an array that is the composition of partially applied arguments,
         * placeholders, and provided arguments into a single array of arguments.
         *
         * @private
         * @param {Array} args The provided arguments.
         * @param {Array} partials The arguments to prepend to those provided.
         * @param {Array} holders The `partials` placeholder indexes.
         * @params {boolean} [isCurried] Specify composing for a curried function.
         * @returns {Array} Returns the new array of composed arguments.
         */
        function composeArgs(args, partials, holders, isCurried) {
          var argsIndex = -1,
              argsLength = args.length,
              holdersLength = holders.length,
              leftIndex = -1,
              leftLength = partials.length,
              rangeLength = nativeMax(argsLength - holdersLength, 0),
              result = Array(leftLength + rangeLength),
              isUncurried = !isCurried;

          while (++leftIndex < leftLength) {
            result[leftIndex] = partials[leftIndex];
          }
          while (++argsIndex < holdersLength) {
            if (isUncurried || argsIndex < argsLength) {
              result[holders[argsIndex]] = args[argsIndex];
            }
          }
          while (rangeLength--) {
            result[leftIndex++] = args[argsIndex++];
          }
          return result;
        }

        /**
         * This function is like `composeArgs` except that the arguments composition
         * is tailored for `_.partialRight`.
         *
         * @private
         * @param {Array} args The provided arguments.
         * @param {Array} partials The arguments to append to those provided.
         * @param {Array} holders The `partials` placeholder indexes.
         * @params {boolean} [isCurried] Specify composing for a curried function.
         * @returns {Array} Returns the new array of composed arguments.
         */
        function composeArgsRight(args, partials, holders, isCurried) {
          var argsIndex = -1,
              argsLength = args.length,
              holdersIndex = -1,
              holdersLength = holders.length,
              rightIndex = -1,
              rightLength = partials.length,
              rangeLength = nativeMax(argsLength - holdersLength, 0),
              result = Array(rangeLength + rightLength),
              isUncurried = !isCurried;

          while (++argsIndex < rangeLength) {
            result[argsIndex] = args[argsIndex];
          }
          var offset = argsIndex;
          while (++rightIndex < rightLength) {
            result[offset + rightIndex] = partials[rightIndex];
          }
          while (++holdersIndex < holdersLength) {
            if (isUncurried || argsIndex < argsLength) {
              result[offset + holders[holdersIndex]] = args[argsIndex++];
            }
          }
          return result;
        }

        /**
         * Copies the values of `source` to `array`.
         *
         * @private
         * @param {Array} source The array to copy values from.
         * @param {Array} [array=[]] The array to copy values to.
         * @returns {Array} Returns `array`.
         */
        function copyArray(source, array) {
          var index = -1,
              length = source.length;

          array || (array = Array(length));
          while (++index < length) {
            array[index] = source[index];
          }
          return array;
        }

        /**
         * Copies properties of `source` to `object`.
         *
         * @private
         * @param {Object} source The object to copy properties from.
         * @param {Array} props The property identifiers to copy.
         * @param {Object} [object={}] The object to copy properties to.
         * @param {Function} [customizer] The function to customize copied values.
         * @returns {Object} Returns `object`.
         */
        function copyObject(source, props, object, customizer) {
          var isNew = !object;
          object || (object = {});

          var index = -1,
              length = props.length;

          while (++index < length) {
            var key = props[index];

            var newValue = customizer
              ? customizer(object[key], source[key], key, object, source)
              : undefined$1;

            if (newValue === undefined$1) {
              newValue = source[key];
            }
            if (isNew) {
              baseAssignValue(object, key, newValue);
            } else {
              assignValue(object, key, newValue);
            }
          }
          return object;
        }

        /**
         * Copies own symbols of `source` to `object`.
         *
         * @private
         * @param {Object} source The object to copy symbols from.
         * @param {Object} [object={}] The object to copy symbols to.
         * @returns {Object} Returns `object`.
         */
        function copySymbols(source, object) {
          return copyObject(source, getSymbols(source), object);
        }

        /**
         * Copies own and inherited symbols of `source` to `object`.
         *
         * @private
         * @param {Object} source The object to copy symbols from.
         * @param {Object} [object={}] The object to copy symbols to.
         * @returns {Object} Returns `object`.
         */
        function copySymbolsIn(source, object) {
          return copyObject(source, getSymbolsIn(source), object);
        }

        /**
         * Creates a function like `_.groupBy`.
         *
         * @private
         * @param {Function} setter The function to set accumulator values.
         * @param {Function} [initializer] The accumulator object initializer.
         * @returns {Function} Returns the new aggregator function.
         */
        function createAggregator(setter, initializer) {
          return function(collection, iteratee) {
            var func = isArray(collection) ? arrayAggregator : baseAggregator,
                accumulator = initializer ? initializer() : {};

            return func(collection, setter, getIteratee(iteratee, 2), accumulator);
          };
        }

        /**
         * Creates a function like `_.assign`.
         *
         * @private
         * @param {Function} assigner The function to assign values.
         * @returns {Function} Returns the new assigner function.
         */
        function createAssigner(assigner) {
          return baseRest(function(object, sources) {
            var index = -1,
                length = sources.length,
                customizer = length > 1 ? sources[length - 1] : undefined$1,
                guard = length > 2 ? sources[2] : undefined$1;

            customizer = (assigner.length > 3 && typeof customizer == 'function')
              ? (length--, customizer)
              : undefined$1;

            if (guard && isIterateeCall(sources[0], sources[1], guard)) {
              customizer = length < 3 ? undefined$1 : customizer;
              length = 1;
            }
            object = Object(object);
            while (++index < length) {
              var source = sources[index];
              if (source) {
                assigner(object, source, index, customizer);
              }
            }
            return object;
          });
        }

        /**
         * Creates a `baseEach` or `baseEachRight` function.
         *
         * @private
         * @param {Function} eachFunc The function to iterate over a collection.
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Function} Returns the new base function.
         */
        function createBaseEach(eachFunc, fromRight) {
          return function(collection, iteratee) {
            if (collection == null) {
              return collection;
            }
            if (!isArrayLike(collection)) {
              return eachFunc(collection, iteratee);
            }
            var length = collection.length,
                index = fromRight ? length : -1,
                iterable = Object(collection);

            while ((fromRight ? index-- : ++index < length)) {
              if (iteratee(iterable[index], index, iterable) === false) {
                break;
              }
            }
            return collection;
          };
        }

        /**
         * Creates a base function for methods like `_.forIn` and `_.forOwn`.
         *
         * @private
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Function} Returns the new base function.
         */
        function createBaseFor(fromRight) {
          return function(object, iteratee, keysFunc) {
            var index = -1,
                iterable = Object(object),
                props = keysFunc(object),
                length = props.length;

            while (length--) {
              var key = props[fromRight ? length : ++index];
              if (iteratee(iterable[key], key, iterable) === false) {
                break;
              }
            }
            return object;
          };
        }

        /**
         * Creates a function that wraps `func` to invoke it with the optional `this`
         * binding of `thisArg`.
         *
         * @private
         * @param {Function} func The function to wrap.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @param {*} [thisArg] The `this` binding of `func`.
         * @returns {Function} Returns the new wrapped function.
         */
        function createBind(func, bitmask, thisArg) {
          var isBind = bitmask & WRAP_BIND_FLAG,
              Ctor = createCtor(func);

          function wrapper() {
            var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
            return fn.apply(isBind ? thisArg : this, arguments);
          }
          return wrapper;
        }

        /**
         * Creates a function like `_.lowerFirst`.
         *
         * @private
         * @param {string} methodName The name of the `String` case method to use.
         * @returns {Function} Returns the new case function.
         */
        function createCaseFirst(methodName) {
          return function(string) {
            string = toString(string);

            var strSymbols = hasUnicode(string)
              ? stringToArray(string)
              : undefined$1;

            var chr = strSymbols
              ? strSymbols[0]
              : string.charAt(0);

            var trailing = strSymbols
              ? castSlice(strSymbols, 1).join('')
              : string.slice(1);

            return chr[methodName]() + trailing;
          };
        }

        /**
         * Creates a function like `_.camelCase`.
         *
         * @private
         * @param {Function} callback The function to combine each word.
         * @returns {Function} Returns the new compounder function.
         */
        function createCompounder(callback) {
          return function(string) {
            return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
          };
        }

        /**
         * Creates a function that produces an instance of `Ctor` regardless of
         * whether it was invoked as part of a `new` expression or by `call` or `apply`.
         *
         * @private
         * @param {Function} Ctor The constructor to wrap.
         * @returns {Function} Returns the new wrapped function.
         */
        function createCtor(Ctor) {
          return function() {
            // Use a `switch` statement to work with class constructors. See
            // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
            // for more details.
            var args = arguments;
            switch (args.length) {
              case 0: return new Ctor;
              case 1: return new Ctor(args[0]);
              case 2: return new Ctor(args[0], args[1]);
              case 3: return new Ctor(args[0], args[1], args[2]);
              case 4: return new Ctor(args[0], args[1], args[2], args[3]);
              case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
              case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
              case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
            }
            var thisBinding = baseCreate(Ctor.prototype),
                result = Ctor.apply(thisBinding, args);

            // Mimic the constructor's `return` behavior.
            // See https://es5.github.io/#x13.2.2 for more details.
            return isObject(result) ? result : thisBinding;
          };
        }

        /**
         * Creates a function that wraps `func` to enable currying.
         *
         * @private
         * @param {Function} func The function to wrap.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @param {number} arity The arity of `func`.
         * @returns {Function} Returns the new wrapped function.
         */
        function createCurry(func, bitmask, arity) {
          var Ctor = createCtor(func);

          function wrapper() {
            var length = arguments.length,
                args = Array(length),
                index = length,
                placeholder = getHolder(wrapper);

            while (index--) {
              args[index] = arguments[index];
            }
            var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
              ? []
              : replaceHolders(args, placeholder);

            length -= holders.length;
            if (length < arity) {
              return createRecurry(
                func, bitmask, createHybrid, wrapper.placeholder, undefined$1,
                args, holders, undefined$1, undefined$1, arity - length);
            }
            var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
            return apply(fn, this, args);
          }
          return wrapper;
        }

        /**
         * Creates a `_.find` or `_.findLast` function.
         *
         * @private
         * @param {Function} findIndexFunc The function to find the collection index.
         * @returns {Function} Returns the new find function.
         */
        function createFind(findIndexFunc) {
          return function(collection, predicate, fromIndex) {
            var iterable = Object(collection);
            if (!isArrayLike(collection)) {
              var iteratee = getIteratee(predicate, 3);
              collection = keys(collection);
              predicate = function(key) { return iteratee(iterable[key], key, iterable); };
            }
            var index = findIndexFunc(collection, predicate, fromIndex);
            return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined$1;
          };
        }

        /**
         * Creates a `_.flow` or `_.flowRight` function.
         *
         * @private
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Function} Returns the new flow function.
         */
        function createFlow(fromRight) {
          return flatRest(function(funcs) {
            var length = funcs.length,
                index = length,
                prereq = LodashWrapper.prototype.thru;

            if (fromRight) {
              funcs.reverse();
            }
            while (index--) {
              var func = funcs[index];
              if (typeof func != 'function') {
                throw new TypeError(FUNC_ERROR_TEXT);
              }
              if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
                var wrapper = new LodashWrapper([], true);
              }
            }
            index = wrapper ? index : length;
            while (++index < length) {
              func = funcs[index];

              var funcName = getFuncName(func),
                  data = funcName == 'wrapper' ? getData(func) : undefined$1;

              if (data && isLaziable(data[0]) &&
                    data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
                    !data[4].length && data[9] == 1
                  ) {
                wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
              } else {
                wrapper = (func.length == 1 && isLaziable(func))
                  ? wrapper[funcName]()
                  : wrapper.thru(func);
              }
            }
            return function() {
              var args = arguments,
                  value = args[0];

              if (wrapper && args.length == 1 && isArray(value)) {
                return wrapper.plant(value).value();
              }
              var index = 0,
                  result = length ? funcs[index].apply(this, args) : value;

              while (++index < length) {
                result = funcs[index].call(this, result);
              }
              return result;
            };
          });
        }

        /**
         * Creates a function that wraps `func` to invoke it with optional `this`
         * binding of `thisArg`, partial application, and currying.
         *
         * @private
         * @param {Function|string} func The function or method name to wrap.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @param {*} [thisArg] The `this` binding of `func`.
         * @param {Array} [partials] The arguments to prepend to those provided to
         *  the new function.
         * @param {Array} [holders] The `partials` placeholder indexes.
         * @param {Array} [partialsRight] The arguments to append to those provided
         *  to the new function.
         * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
         * @param {Array} [argPos] The argument positions of the new function.
         * @param {number} [ary] The arity cap of `func`.
         * @param {number} [arity] The arity of `func`.
         * @returns {Function} Returns the new wrapped function.
         */
        function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
          var isAry = bitmask & WRAP_ARY_FLAG,
              isBind = bitmask & WRAP_BIND_FLAG,
              isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
              isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
              isFlip = bitmask & WRAP_FLIP_FLAG,
              Ctor = isBindKey ? undefined$1 : createCtor(func);

          function wrapper() {
            var length = arguments.length,
                args = Array(length),
                index = length;

            while (index--) {
              args[index] = arguments[index];
            }
            if (isCurried) {
              var placeholder = getHolder(wrapper),
                  holdersCount = countHolders(args, placeholder);
            }
            if (partials) {
              args = composeArgs(args, partials, holders, isCurried);
            }
            if (partialsRight) {
              args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
            }
            length -= holdersCount;
            if (isCurried && length < arity) {
              var newHolders = replaceHolders(args, placeholder);
              return createRecurry(
                func, bitmask, createHybrid, wrapper.placeholder, thisArg,
                args, newHolders, argPos, ary, arity - length
              );
            }
            var thisBinding = isBind ? thisArg : this,
                fn = isBindKey ? thisBinding[func] : func;

            length = args.length;
            if (argPos) {
              args = reorder(args, argPos);
            } else if (isFlip && length > 1) {
              args.reverse();
            }
            if (isAry && ary < length) {
              args.length = ary;
            }
            if (this && this !== root && this instanceof wrapper) {
              fn = Ctor || createCtor(fn);
            }
            return fn.apply(thisBinding, args);
          }
          return wrapper;
        }

        /**
         * Creates a function like `_.invertBy`.
         *
         * @private
         * @param {Function} setter The function to set accumulator values.
         * @param {Function} toIteratee The function to resolve iteratees.
         * @returns {Function} Returns the new inverter function.
         */
        function createInverter(setter, toIteratee) {
          return function(object, iteratee) {
            return baseInverter(object, setter, toIteratee(iteratee), {});
          };
        }

        /**
         * Creates a function that performs a mathematical operation on two values.
         *
         * @private
         * @param {Function} operator The function to perform the operation.
         * @param {number} [defaultValue] The value used for `undefined` arguments.
         * @returns {Function} Returns the new mathematical operation function.
         */
        function createMathOperation(operator, defaultValue) {
          return function(value, other) {
            var result;
            if (value === undefined$1 && other === undefined$1) {
              return defaultValue;
            }
            if (value !== undefined$1) {
              result = value;
            }
            if (other !== undefined$1) {
              if (result === undefined$1) {
                return other;
              }
              if (typeof value == 'string' || typeof other == 'string') {
                value = baseToString(value);
                other = baseToString(other);
              } else {
                value = baseToNumber(value);
                other = baseToNumber(other);
              }
              result = operator(value, other);
            }
            return result;
          };
        }

        /**
         * Creates a function like `_.over`.
         *
         * @private
         * @param {Function} arrayFunc The function to iterate over iteratees.
         * @returns {Function} Returns the new over function.
         */
        function createOver(arrayFunc) {
          return flatRest(function(iteratees) {
            iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
            return baseRest(function(args) {
              var thisArg = this;
              return arrayFunc(iteratees, function(iteratee) {
                return apply(iteratee, thisArg, args);
              });
            });
          });
        }

        /**
         * Creates the padding for `string` based on `length`. The `chars` string
         * is truncated if the number of characters exceeds `length`.
         *
         * @private
         * @param {number} length The padding length.
         * @param {string} [chars=' '] The string used as padding.
         * @returns {string} Returns the padding for `string`.
         */
        function createPadding(length, chars) {
          chars = chars === undefined$1 ? ' ' : baseToString(chars);

          var charsLength = chars.length;
          if (charsLength < 2) {
            return charsLength ? baseRepeat(chars, length) : chars;
          }
          var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
          return hasUnicode(chars)
            ? castSlice(stringToArray(result), 0, length).join('')
            : result.slice(0, length);
        }

        /**
         * Creates a function that wraps `func` to invoke it with the `this` binding
         * of `thisArg` and `partials` prepended to the arguments it receives.
         *
         * @private
         * @param {Function} func The function to wrap.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @param {*} thisArg The `this` binding of `func`.
         * @param {Array} partials The arguments to prepend to those provided to
         *  the new function.
         * @returns {Function} Returns the new wrapped function.
         */
        function createPartial(func, bitmask, thisArg, partials) {
          var isBind = bitmask & WRAP_BIND_FLAG,
              Ctor = createCtor(func);

          function wrapper() {
            var argsIndex = -1,
                argsLength = arguments.length,
                leftIndex = -1,
                leftLength = partials.length,
                args = Array(leftLength + argsLength),
                fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;

            while (++leftIndex < leftLength) {
              args[leftIndex] = partials[leftIndex];
            }
            while (argsLength--) {
              args[leftIndex++] = arguments[++argsIndex];
            }
            return apply(fn, isBind ? thisArg : this, args);
          }
          return wrapper;
        }

        /**
         * Creates a `_.range` or `_.rangeRight` function.
         *
         * @private
         * @param {boolean} [fromRight] Specify iterating from right to left.
         * @returns {Function} Returns the new range function.
         */
        function createRange(fromRight) {
          return function(start, end, step) {
            if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
              end = step = undefined$1;
            }
            // Ensure the sign of `-0` is preserved.
            start = toFinite(start);
            if (end === undefined$1) {
              end = start;
              start = 0;
            } else {
              end = toFinite(end);
            }
            step = step === undefined$1 ? (start < end ? 1 : -1) : toFinite(step);
            return baseRange(start, end, step, fromRight);
          };
        }

        /**
         * Creates a function that performs a relational operation on two values.
         *
         * @private
         * @param {Function} operator The function to perform the operation.
         * @returns {Function} Returns the new relational operation function.
         */
        function createRelationalOperation(operator) {
          return function(value, other) {
            if (!(typeof value == 'string' && typeof other == 'string')) {
              value = toNumber(value);
              other = toNumber(other);
            }
            return operator(value, other);
          };
        }

        /**
         * Creates a function that wraps `func` to continue currying.
         *
         * @private
         * @param {Function} func The function to wrap.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @param {Function} wrapFunc The function to create the `func` wrapper.
         * @param {*} placeholder The placeholder value.
         * @param {*} [thisArg] The `this` binding of `func`.
         * @param {Array} [partials] The arguments to prepend to those provided to
         *  the new function.
         * @param {Array} [holders] The `partials` placeholder indexes.
         * @param {Array} [argPos] The argument positions of the new function.
         * @param {number} [ary] The arity cap of `func`.
         * @param {number} [arity] The arity of `func`.
         * @returns {Function} Returns the new wrapped function.
         */
        function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
          var isCurry = bitmask & WRAP_CURRY_FLAG,
              newHolders = isCurry ? holders : undefined$1,
              newHoldersRight = isCurry ? undefined$1 : holders,
              newPartials = isCurry ? partials : undefined$1,
              newPartialsRight = isCurry ? undefined$1 : partials;

          bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
          bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);

          if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
            bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
          }
          var newData = [
            func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
            newHoldersRight, argPos, ary, arity
          ];

          var result = wrapFunc.apply(undefined$1, newData);
          if (isLaziable(func)) {
            setData(result, newData);
          }
          result.placeholder = placeholder;
          return setWrapToString(result, func, bitmask);
        }

        /**
         * Creates a function like `_.round`.
         *
         * @private
         * @param {string} methodName The name of the `Math` method to use when rounding.
         * @returns {Function} Returns the new round function.
         */
        function createRound(methodName) {
          var func = Math[methodName];
          return function(number, precision) {
            number = toNumber(number);
            precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
            if (precision && nativeIsFinite(number)) {
              // Shift with exponential notation to avoid floating-point issues.
              // See [MDN](https://mdn.io/round#Examples) for more details.
              var pair = (toString(number) + 'e').split('e'),
                  value = func(pair[0] + 'e' + (+pair[1] + precision));

              pair = (toString(value) + 'e').split('e');
              return +(pair[0] + 'e' + (+pair[1] - precision));
            }
            return func(number);
          };
        }

        /**
         * Creates a set object of `values`.
         *
         * @private
         * @param {Array} values The values to add to the set.
         * @returns {Object} Returns the new set.
         */
        var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
          return new Set(values);
        };

        /**
         * Creates a `_.toPairs` or `_.toPairsIn` function.
         *
         * @private
         * @param {Function} keysFunc The function to get the keys of a given object.
         * @returns {Function} Returns the new pairs function.
         */
        function createToPairs(keysFunc) {
          return function(object) {
            var tag = getTag(object);
            if (tag == mapTag) {
              return mapToArray(object);
            }
            if (tag == setTag) {
              return setToPairs(object);
            }
            return baseToPairs(object, keysFunc(object));
          };
        }

        /**
         * Creates a function that either curries or invokes `func` with optional
         * `this` binding and partially applied arguments.
         *
         * @private
         * @param {Function|string} func The function or method name to wrap.
         * @param {number} bitmask The bitmask flags.
         *    1 - `_.bind`
         *    2 - `_.bindKey`
         *    4 - `_.curry` or `_.curryRight` of a bound function
         *    8 - `_.curry`
         *   16 - `_.curryRight`
         *   32 - `_.partial`
         *   64 - `_.partialRight`
         *  128 - `_.rearg`
         *  256 - `_.ary`
         *  512 - `_.flip`
         * @param {*} [thisArg] The `this` binding of `func`.
         * @param {Array} [partials] The arguments to be partially applied.
         * @param {Array} [holders] The `partials` placeholder indexes.
         * @param {Array} [argPos] The argument positions of the new function.
         * @param {number} [ary] The arity cap of `func`.
         * @param {number} [arity] The arity of `func`.
         * @returns {Function} Returns the new wrapped function.
         */
        function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
          var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
          if (!isBindKey && typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          var length = partials ? partials.length : 0;
          if (!length) {
            bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
            partials = holders = undefined$1;
          }
          ary = ary === undefined$1 ? ary : nativeMax(toInteger(ary), 0);
          arity = arity === undefined$1 ? arity : toInteger(arity);
          length -= holders ? holders.length : 0;

          if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
            var partialsRight = partials,
                holdersRight = holders;

            partials = holders = undefined$1;
          }
          var data = isBindKey ? undefined$1 : getData(func);

          var newData = [
            func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
            argPos, ary, arity
          ];

          if (data) {
            mergeData(newData, data);
          }
          func = newData[0];
          bitmask = newData[1];
          thisArg = newData[2];
          partials = newData[3];
          holders = newData[4];
          arity = newData[9] = newData[9] === undefined$1
            ? (isBindKey ? 0 : func.length)
            : nativeMax(newData[9] - length, 0);

          if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
            bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
          }
          if (!bitmask || bitmask == WRAP_BIND_FLAG) {
            var result = createBind(func, bitmask, thisArg);
          } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
            result = createCurry(func, bitmask, arity);
          } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
            result = createPartial(func, bitmask, thisArg, partials);
          } else {
            result = createHybrid.apply(undefined$1, newData);
          }
          var setter = data ? baseSetData : setData;
          return setWrapToString(setter(result, newData), func, bitmask);
        }

        /**
         * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
         * of source objects to the destination object for all destination properties
         * that resolve to `undefined`.
         *
         * @private
         * @param {*} objValue The destination value.
         * @param {*} srcValue The source value.
         * @param {string} key The key of the property to assign.
         * @param {Object} object The parent object of `objValue`.
         * @returns {*} Returns the value to assign.
         */
        function customDefaultsAssignIn(objValue, srcValue, key, object) {
          if (objValue === undefined$1 ||
              (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
            return srcValue;
          }
          return objValue;
        }

        /**
         * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
         * objects into destination objects that are passed thru.
         *
         * @private
         * @param {*} objValue The destination value.
         * @param {*} srcValue The source value.
         * @param {string} key The key of the property to merge.
         * @param {Object} object The parent object of `objValue`.
         * @param {Object} source The parent object of `srcValue`.
         * @param {Object} [stack] Tracks traversed source values and their merged
         *  counterparts.
         * @returns {*} Returns the value to assign.
         */
        function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
          if (isObject(objValue) && isObject(srcValue)) {
            // Recursively merge objects and arrays (susceptible to call stack limits).
            stack.set(srcValue, objValue);
            baseMerge(objValue, srcValue, undefined$1, customDefaultsMerge, stack);
            stack['delete'](srcValue);
          }
          return objValue;
        }

        /**
         * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
         * objects.
         *
         * @private
         * @param {*} value The value to inspect.
         * @param {string} key The key of the property to inspect.
         * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
         */
        function customOmitClone(value) {
          return isPlainObject(value) ? undefined$1 : value;
        }

        /**
         * A specialized version of `baseIsEqualDeep` for arrays with support for
         * partial deep comparisons.
         *
         * @private
         * @param {Array} array The array to compare.
         * @param {Array} other The other array to compare.
         * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
         * @param {Function} customizer The function to customize comparisons.
         * @param {Function} equalFunc The function to determine equivalents of values.
         * @param {Object} stack Tracks traversed `array` and `other` objects.
         * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
         */
        function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
              arrLength = array.length,
              othLength = other.length;

          if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
            return false;
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(array);
          if (stacked && stack.get(other)) {
            return stacked == other;
          }
          var index = -1,
              result = true,
              seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined$1;

          stack.set(array, other);
          stack.set(other, array);

          // Ignore non-index properties.
          while (++index < arrLength) {
            var arrValue = array[index],
                othValue = other[index];

            if (customizer) {
              var compared = isPartial
                ? customizer(othValue, arrValue, index, other, array, stack)
                : customizer(arrValue, othValue, index, array, other, stack);
            }
            if (compared !== undefined$1) {
              if (compared) {
                continue;
              }
              result = false;
              break;
            }
            // Recursively compare arrays (susceptible to call stack limits).
            if (seen) {
              if (!arraySome(other, function(othValue, othIndex) {
                    if (!cacheHas(seen, othIndex) &&
                        (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
                      return seen.push(othIndex);
                    }
                  })) {
                result = false;
                break;
              }
            } else if (!(
                  arrValue === othValue ||
                    equalFunc(arrValue, othValue, bitmask, customizer, stack)
                )) {
              result = false;
              break;
            }
          }
          stack['delete'](array);
          stack['delete'](other);
          return result;
        }

        /**
         * A specialized version of `baseIsEqualDeep` for comparing objects of
         * the same `toStringTag`.
         *
         * **Note:** This function only supports comparing values with tags of
         * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
         *
         * @private
         * @param {Object} object The object to compare.
         * @param {Object} other The other object to compare.
         * @param {string} tag The `toStringTag` of the objects to compare.
         * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
         * @param {Function} customizer The function to customize comparisons.
         * @param {Function} equalFunc The function to determine equivalents of values.
         * @param {Object} stack Tracks traversed `object` and `other` objects.
         * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
         */
        function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
          switch (tag) {
            case dataViewTag:
              if ((object.byteLength != other.byteLength) ||
                  (object.byteOffset != other.byteOffset)) {
                return false;
              }
              object = object.buffer;
              other = other.buffer;

            case arrayBufferTag:
              if ((object.byteLength != other.byteLength) ||
                  !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
                return false;
              }
              return true;

            case boolTag:
            case dateTag:
            case numberTag:
              // Coerce booleans to `1` or `0` and dates to milliseconds.
              // Invalid dates are coerced to `NaN`.
              return eq(+object, +other);

            case errorTag:
              return object.name == other.name && object.message == other.message;

            case regexpTag:
            case stringTag:
              // Coerce regexes to strings and treat strings, primitives and objects,
              // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
              // for more details.
              return object == (other + '');

            case mapTag:
              var convert = mapToArray;

            case setTag:
              var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
              convert || (convert = setToArray);

              if (object.size != other.size && !isPartial) {
                return false;
              }
              // Assume cyclic values are equal.
              var stacked = stack.get(object);
              if (stacked) {
                return stacked == other;
              }
              bitmask |= COMPARE_UNORDERED_FLAG;

              // Recursively compare objects (susceptible to call stack limits).
              stack.set(object, other);
              var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
              stack['delete'](object);
              return result;

            case symbolTag:
              if (symbolValueOf) {
                return symbolValueOf.call(object) == symbolValueOf.call(other);
              }
          }
          return false;
        }

        /**
         * A specialized version of `baseIsEqualDeep` for objects with support for
         * partial deep comparisons.
         *
         * @private
         * @param {Object} object The object to compare.
         * @param {Object} other The other object to compare.
         * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
         * @param {Function} customizer The function to customize comparisons.
         * @param {Function} equalFunc The function to determine equivalents of values.
         * @param {Object} stack Tracks traversed `object` and `other` objects.
         * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
         */
        function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
          var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
              objProps = getAllKeys(object),
              objLength = objProps.length,
              othProps = getAllKeys(other),
              othLength = othProps.length;

          if (objLength != othLength && !isPartial) {
            return false;
          }
          var index = objLength;
          while (index--) {
            var key = objProps[index];
            if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
              return false;
            }
          }
          // Assume cyclic values are equal.
          var stacked = stack.get(object);
          if (stacked && stack.get(other)) {
            return stacked == other;
          }
          var result = true;
          stack.set(object, other);
          stack.set(other, object);

          var skipCtor = isPartial;
          while (++index < objLength) {
            key = objProps[index];
            var objValue = object[key],
                othValue = other[key];

            if (customizer) {
              var compared = isPartial
                ? customizer(othValue, objValue, key, other, object, stack)
                : customizer(objValue, othValue, key, object, other, stack);
            }
            // Recursively compare objects (susceptible to call stack limits).
            if (!(compared === undefined$1
                  ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
                  : compared
                )) {
              result = false;
              break;
            }
            skipCtor || (skipCtor = key == 'constructor');
          }
          if (result && !skipCtor) {
            var objCtor = object.constructor,
                othCtor = other.constructor;

            // Non `Object` object instances with different constructors are not equal.
            if (objCtor != othCtor &&
                ('constructor' in object && 'constructor' in other) &&
                !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
                  typeof othCtor == 'function' && othCtor instanceof othCtor)) {
              result = false;
            }
          }
          stack['delete'](object);
          stack['delete'](other);
          return result;
        }

        /**
         * A specialized version of `baseRest` which flattens the rest array.
         *
         * @private
         * @param {Function} func The function to apply a rest parameter to.
         * @returns {Function} Returns the new function.
         */
        function flatRest(func) {
          return setToString(overRest(func, undefined$1, flatten), func + '');
        }

        /**
         * Creates an array of own enumerable property names and symbols of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names and symbols.
         */
        function getAllKeys(object) {
          return baseGetAllKeys(object, keys, getSymbols);
        }

        /**
         * Creates an array of own and inherited enumerable property names and
         * symbols of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names and symbols.
         */
        function getAllKeysIn(object) {
          return baseGetAllKeys(object, keysIn, getSymbolsIn);
        }

        /**
         * Gets metadata for `func`.
         *
         * @private
         * @param {Function} func The function to query.
         * @returns {*} Returns the metadata for `func`.
         */
        var getData = !metaMap ? noop : function(func) {
          return metaMap.get(func);
        };

        /**
         * Gets the name of `func`.
         *
         * @private
         * @param {Function} func The function to query.
         * @returns {string} Returns the function name.
         */
        function getFuncName(func) {
          var result = (func.name + ''),
              array = realNames[result],
              length = hasOwnProperty.call(realNames, result) ? array.length : 0;

          while (length--) {
            var data = array[length],
                otherFunc = data.func;
            if (otherFunc == null || otherFunc == func) {
              return data.name;
            }
          }
          return result;
        }

        /**
         * Gets the argument placeholder value for `func`.
         *
         * @private
         * @param {Function} func The function to inspect.
         * @returns {*} Returns the placeholder value.
         */
        function getHolder(func) {
          var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
          return object.placeholder;
        }

        /**
         * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
         * this function returns the custom method, otherwise it returns `baseIteratee`.
         * If arguments are provided, the chosen function is invoked with them and
         * its result is returned.
         *
         * @private
         * @param {*} [value] The value to convert to an iteratee.
         * @param {number} [arity] The arity of the created iteratee.
         * @returns {Function} Returns the chosen function or its result.
         */
        function getIteratee() {
          var result = lodash.iteratee || iteratee;
          result = result === iteratee ? baseIteratee : result;
          return arguments.length ? result(arguments[0], arguments[1]) : result;
        }

        /**
         * Gets the data for `map`.
         *
         * @private
         * @param {Object} map The map to query.
         * @param {string} key The reference key.
         * @returns {*} Returns the map data.
         */
        function getMapData(map, key) {
          var data = map.__data__;
          return isKeyable(key)
            ? data[typeof key == 'string' ? 'string' : 'hash']
            : data.map;
        }

        /**
         * Gets the property names, values, and compare flags of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the match data of `object`.
         */
        function getMatchData(object) {
          var result = keys(object),
              length = result.length;

          while (length--) {
            var key = result[length],
                value = object[key];

            result[length] = [key, value, isStrictComparable(value)];
          }
          return result;
        }

        /**
         * Gets the native function at `key` of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {string} key The key of the method to get.
         * @returns {*} Returns the function if it's native, else `undefined`.
         */
        function getNative(object, key) {
          var value = getValue(object, key);
          return baseIsNative(value) ? value : undefined$1;
        }

        /**
         * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
         *
         * @private
         * @param {*} value The value to query.
         * @returns {string} Returns the raw `toStringTag`.
         */
        function getRawTag(value) {
          var isOwn = hasOwnProperty.call(value, symToStringTag),
              tag = value[symToStringTag];

          try {
            value[symToStringTag] = undefined$1;
            var unmasked = true;
          } catch (e) {}

          var result = nativeObjectToString.call(value);
          if (unmasked) {
            if (isOwn) {
              value[symToStringTag] = tag;
            } else {
              delete value[symToStringTag];
            }
          }
          return result;
        }

        /**
         * Creates an array of the own enumerable symbols of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of symbols.
         */
        var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
          if (object == null) {
            return [];
          }
          object = Object(object);
          return arrayFilter(nativeGetSymbols(object), function(symbol) {
            return propertyIsEnumerable.call(object, symbol);
          });
        };

        /**
         * Creates an array of the own and inherited enumerable symbols of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of symbols.
         */
        var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
          var result = [];
          while (object) {
            arrayPush(result, getSymbols(object));
            object = getPrototype(object);
          }
          return result;
        };

        /**
         * Gets the `toStringTag` of `value`.
         *
         * @private
         * @param {*} value The value to query.
         * @returns {string} Returns the `toStringTag`.
         */
        var getTag = baseGetTag;

        // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
        if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
            (Map && getTag(new Map) != mapTag) ||
            (Promise && getTag(Promise.resolve()) != promiseTag) ||
            (Set && getTag(new Set) != setTag) ||
            (WeakMap && getTag(new WeakMap) != weakMapTag)) {
          getTag = function(value) {
            var result = baseGetTag(value),
                Ctor = result == objectTag ? value.constructor : undefined$1,
                ctorString = Ctor ? toSource(Ctor) : '';

            if (ctorString) {
              switch (ctorString) {
                case dataViewCtorString: return dataViewTag;
                case mapCtorString: return mapTag;
                case promiseCtorString: return promiseTag;
                case setCtorString: return setTag;
                case weakMapCtorString: return weakMapTag;
              }
            }
            return result;
          };
        }

        /**
         * Gets the view, applying any `transforms` to the `start` and `end` positions.
         *
         * @private
         * @param {number} start The start of the view.
         * @param {number} end The end of the view.
         * @param {Array} transforms The transformations to apply to the view.
         * @returns {Object} Returns an object containing the `start` and `end`
         *  positions of the view.
         */
        function getView(start, end, transforms) {
          var index = -1,
              length = transforms.length;

          while (++index < length) {
            var data = transforms[index],
                size = data.size;

            switch (data.type) {
              case 'drop':      start += size; break;
              case 'dropRight': end -= size; break;
              case 'take':      end = nativeMin(end, start + size); break;
              case 'takeRight': start = nativeMax(start, end - size); break;
            }
          }
          return { 'start': start, 'end': end };
        }

        /**
         * Extracts wrapper details from the `source` body comment.
         *
         * @private
         * @param {string} source The source to inspect.
         * @returns {Array} Returns the wrapper details.
         */
        function getWrapDetails(source) {
          var match = source.match(reWrapDetails);
          return match ? match[1].split(reSplitDetails) : [];
        }

        /**
         * Checks if `path` exists on `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {Array|string} path The path to check.
         * @param {Function} hasFunc The function to check properties.
         * @returns {boolean} Returns `true` if `path` exists, else `false`.
         */
        function hasPath(object, path, hasFunc) {
          path = castPath(path, object);

          var index = -1,
              length = path.length,
              result = false;

          while (++index < length) {
            var key = toKey(path[index]);
            if (!(result = object != null && hasFunc(object, key))) {
              break;
            }
            object = object[key];
          }
          if (result || ++index != length) {
            return result;
          }
          length = object == null ? 0 : object.length;
          return !!length && isLength(length) && isIndex(key, length) &&
            (isArray(object) || isArguments(object));
        }

        /**
         * Initializes an array clone.
         *
         * @private
         * @param {Array} array The array to clone.
         * @returns {Array} Returns the initialized clone.
         */
        function initCloneArray(array) {
          var length = array.length,
              result = new array.constructor(length);

          // Add properties assigned by `RegExp#exec`.
          if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
            result.index = array.index;
            result.input = array.input;
          }
          return result;
        }

        /**
         * Initializes an object clone.
         *
         * @private
         * @param {Object} object The object to clone.
         * @returns {Object} Returns the initialized clone.
         */
        function initCloneObject(object) {
          return (typeof object.constructor == 'function' && !isPrototype(object))
            ? baseCreate(getPrototype(object))
            : {};
        }

        /**
         * Initializes an object clone based on its `toStringTag`.
         *
         * **Note:** This function only supports cloning values with tags of
         * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.
         *
         * @private
         * @param {Object} object The object to clone.
         * @param {string} tag The `toStringTag` of the object to clone.
         * @param {boolean} [isDeep] Specify a deep clone.
         * @returns {Object} Returns the initialized clone.
         */
        function initCloneByTag(object, tag, isDeep) {
          var Ctor = object.constructor;
          switch (tag) {
            case arrayBufferTag:
              return cloneArrayBuffer(object);

            case boolTag:
            case dateTag:
              return new Ctor(+object);

            case dataViewTag:
              return cloneDataView(object, isDeep);

            case float32Tag: case float64Tag:
            case int8Tag: case int16Tag: case int32Tag:
            case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
              return cloneTypedArray(object, isDeep);

            case mapTag:
              return new Ctor;

            case numberTag:
            case stringTag:
              return new Ctor(object);

            case regexpTag:
              return cloneRegExp(object);

            case setTag:
              return new Ctor;

            case symbolTag:
              return cloneSymbol(object);
          }
        }

        /**
         * Inserts wrapper `details` in a comment at the top of the `source` body.
         *
         * @private
         * @param {string} source The source to modify.
         * @returns {Array} details The details to insert.
         * @returns {string} Returns the modified source.
         */
        function insertWrapDetails(source, details) {
          var length = details.length;
          if (!length) {
            return source;
          }
          var lastIndex = length - 1;
          details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
          details = details.join(length > 2 ? ', ' : ' ');
          return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
        }

        /**
         * Checks if `value` is a flattenable `arguments` object or array.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
         */
        function isFlattenable(value) {
          return isArray(value) || isArguments(value) ||
            !!(spreadableSymbol && value && value[spreadableSymbol]);
        }

        /**
         * Checks if `value` is a valid array-like index.
         *
         * @private
         * @param {*} value The value to check.
         * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
         * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
         */
        function isIndex(value, length) {
          var type = typeof value;
          length = length == null ? MAX_SAFE_INTEGER : length;

          return !!length &&
            (type == 'number' ||
              (type != 'symbol' && reIsUint.test(value))) &&
                (value > -1 && value % 1 == 0 && value < length);
        }

        /**
         * Checks if the given arguments are from an iteratee call.
         *
         * @private
         * @param {*} value The potential iteratee value argument.
         * @param {*} index The potential iteratee index or key argument.
         * @param {*} object The potential iteratee object argument.
         * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
         *  else `false`.
         */
        function isIterateeCall(value, index, object) {
          if (!isObject(object)) {
            return false;
          }
          var type = typeof index;
          if (type == 'number'
                ? (isArrayLike(object) && isIndex(index, object.length))
                : (type == 'string' && index in object)
              ) {
            return eq(object[index], value);
          }
          return false;
        }

        /**
         * Checks if `value` is a property name and not a property path.
         *
         * @private
         * @param {*} value The value to check.
         * @param {Object} [object] The object to query keys on.
         * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
         */
        function isKey(value, object) {
          if (isArray(value)) {
            return false;
          }
          var type = typeof value;
          if (type == 'number' || type == 'symbol' || type == 'boolean' ||
              value == null || isSymbol(value)) {
            return true;
          }
          return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
            (object != null && value in Object(object));
        }

        /**
         * Checks if `value` is suitable for use as unique object key.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
         */
        function isKeyable(value) {
          var type = typeof value;
          return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
            ? (value !== '__proto__')
            : (value === null);
        }

        /**
         * Checks if `func` has a lazy counterpart.
         *
         * @private
         * @param {Function} func The function to check.
         * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
         *  else `false`.
         */
        function isLaziable(func) {
          var funcName = getFuncName(func),
              other = lodash[funcName];

          if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
            return false;
          }
          if (func === other) {
            return true;
          }
          var data = getData(other);
          return !!data && func === data[0];
        }

        /**
         * Checks if `func` has its source masked.
         *
         * @private
         * @param {Function} func The function to check.
         * @returns {boolean} Returns `true` if `func` is masked, else `false`.
         */
        function isMasked(func) {
          return !!maskSrcKey && (maskSrcKey in func);
        }

        /**
         * Checks if `func` is capable of being masked.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
         */
        var isMaskable = coreJsData ? isFunction : stubFalse;

        /**
         * Checks if `value` is likely a prototype object.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
         */
        function isPrototype(value) {
          var Ctor = value && value.constructor,
              proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;

          return value === proto;
        }

        /**
         * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
         *
         * @private
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` if suitable for strict
         *  equality comparisons, else `false`.
         */
        function isStrictComparable(value) {
          return value === value && !isObject(value);
        }

        /**
         * A specialized version of `matchesProperty` for source values suitable
         * for strict equality comparisons, i.e. `===`.
         *
         * @private
         * @param {string} key The key of the property to get.
         * @param {*} srcValue The value to match.
         * @returns {Function} Returns the new spec function.
         */
        function matchesStrictComparable(key, srcValue) {
          return function(object) {
            if (object == null) {
              return false;
            }
            return object[key] === srcValue &&
              (srcValue !== undefined$1 || (key in Object(object)));
          };
        }

        /**
         * A specialized version of `_.memoize` which clears the memoized function's
         * cache when it exceeds `MAX_MEMOIZE_SIZE`.
         *
         * @private
         * @param {Function} func The function to have its output memoized.
         * @returns {Function} Returns the new memoized function.
         */
        function memoizeCapped(func) {
          var result = memoize(func, function(key) {
            if (cache.size === MAX_MEMOIZE_SIZE) {
              cache.clear();
            }
            return key;
          });

          var cache = result.cache;
          return result;
        }

        /**
         * Merges the function metadata of `source` into `data`.
         *
         * Merging metadata reduces the number of wrappers used to invoke a function.
         * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
         * may be applied regardless of execution order. Methods like `_.ary` and
         * `_.rearg` modify function arguments, making the order in which they are
         * executed important, preventing the merging of metadata. However, we make
         * an exception for a safe combined case where curried functions have `_.ary`
         * and or `_.rearg` applied.
         *
         * @private
         * @param {Array} data The destination metadata.
         * @param {Array} source The source metadata.
         * @returns {Array} Returns `data`.
         */
        function mergeData(data, source) {
          var bitmask = data[1],
              srcBitmask = source[1],
              newBitmask = bitmask | srcBitmask,
              isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);

          var isCombo =
            ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
            ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
            ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));

          // Exit early if metadata can't be merged.
          if (!(isCommon || isCombo)) {
            return data;
          }
          // Use source `thisArg` if available.
          if (srcBitmask & WRAP_BIND_FLAG) {
            data[2] = source[2];
            // Set when currying a bound function.
            newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
          }
          // Compose partial arguments.
          var value = source[3];
          if (value) {
            var partials = data[3];
            data[3] = partials ? composeArgs(partials, value, source[4]) : value;
            data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
          }
          // Compose partial right arguments.
          value = source[5];
          if (value) {
            partials = data[5];
            data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
            data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
          }
          // Use source `argPos` if available.
          value = source[7];
          if (value) {
            data[7] = value;
          }
          // Use source `ary` if it's smaller.
          if (srcBitmask & WRAP_ARY_FLAG) {
            data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
          }
          // Use source `arity` if one is not provided.
          if (data[9] == null) {
            data[9] = source[9];
          }
          // Use source `func` and merge bitmasks.
          data[0] = source[0];
          data[1] = newBitmask;

          return data;
        }

        /**
         * This function is like
         * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
         * except that it includes inherited enumerable properties.
         *
         * @private
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names.
         */
        function nativeKeysIn(object) {
          var result = [];
          if (object != null) {
            for (var key in Object(object)) {
              result.push(key);
            }
          }
          return result;
        }

        /**
         * Converts `value` to a string using `Object.prototype.toString`.
         *
         * @private
         * @param {*} value The value to convert.
         * @returns {string} Returns the converted string.
         */
        function objectToString(value) {
          return nativeObjectToString.call(value);
        }

        /**
         * A specialized version of `baseRest` which transforms the rest array.
         *
         * @private
         * @param {Function} func The function to apply a rest parameter to.
         * @param {number} [start=func.length-1] The start position of the rest parameter.
         * @param {Function} transform The rest array transform.
         * @returns {Function} Returns the new function.
         */
        function overRest(func, start, transform) {
          start = nativeMax(start === undefined$1 ? (func.length - 1) : start, 0);
          return function() {
            var args = arguments,
                index = -1,
                length = nativeMax(args.length - start, 0),
                array = Array(length);

            while (++index < length) {
              array[index] = args[start + index];
            }
            index = -1;
            var otherArgs = Array(start + 1);
            while (++index < start) {
              otherArgs[index] = args[index];
            }
            otherArgs[start] = transform(array);
            return apply(func, this, otherArgs);
          };
        }

        /**
         * Gets the parent value at `path` of `object`.
         *
         * @private
         * @param {Object} object The object to query.
         * @param {Array} path The path to get the parent value of.
         * @returns {*} Returns the parent value.
         */
        function parent(object, path) {
          return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
        }

        /**
         * Reorder `array` according to the specified indexes where the element at
         * the first index is assigned as the first element, the element at
         * the second index is assigned as the second element, and so on.
         *
         * @private
         * @param {Array} array The array to reorder.
         * @param {Array} indexes The arranged array indexes.
         * @returns {Array} Returns `array`.
         */
        function reorder(array, indexes) {
          var arrLength = array.length,
              length = nativeMin(indexes.length, arrLength),
              oldArray = copyArray(array);

          while (length--) {
            var index = indexes[length];
            array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined$1;
          }
          return array;
        }

        /**
         * Gets the value at `key`, unless `key` is "__proto__" or "constructor".
         *
         * @private
         * @param {Object} object The object to query.
         * @param {string} key The key of the property to get.
         * @returns {*} Returns the property value.
         */
        function safeGet(object, key) {
          if (key === 'constructor' && typeof object[key] === 'function') {
            return;
          }

          if (key == '__proto__') {
            return;
          }

          return object[key];
        }

        /**
         * Sets metadata for `func`.
         *
         * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
         * period of time, it will trip its breaker and transition to an identity
         * function to avoid garbage collection pauses in V8. See
         * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
         * for more details.
         *
         * @private
         * @param {Function} func The function to associate metadata with.
         * @param {*} data The metadata.
         * @returns {Function} Returns `func`.
         */
        var setData = shortOut(baseSetData);

        /**
         * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
         *
         * @private
         * @param {Function} func The function to delay.
         * @param {number} wait The number of milliseconds to delay invocation.
         * @returns {number|Object} Returns the timer id or timeout object.
         */
        var setTimeout = ctxSetTimeout || function(func, wait) {
          return root.setTimeout(func, wait);
        };

        /**
         * Sets the `toString` method of `func` to return `string`.
         *
         * @private
         * @param {Function} func The function to modify.
         * @param {Function} string The `toString` result.
         * @returns {Function} Returns `func`.
         */
        var setToString = shortOut(baseSetToString);

        /**
         * Sets the `toString` method of `wrapper` to mimic the source of `reference`
         * with wrapper details in a comment at the top of the source body.
         *
         * @private
         * @param {Function} wrapper The function to modify.
         * @param {Function} reference The reference function.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @returns {Function} Returns `wrapper`.
         */
        function setWrapToString(wrapper, reference, bitmask) {
          var source = (reference + '');
          return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
        }

        /**
         * Creates a function that'll short out and invoke `identity` instead
         * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
         * milliseconds.
         *
         * @private
         * @param {Function} func The function to restrict.
         * @returns {Function} Returns the new shortable function.
         */
        function shortOut(func) {
          var count = 0,
              lastCalled = 0;

          return function() {
            var stamp = nativeNow(),
                remaining = HOT_SPAN - (stamp - lastCalled);

            lastCalled = stamp;
            if (remaining > 0) {
              if (++count >= HOT_COUNT) {
                return arguments[0];
              }
            } else {
              count = 0;
            }
            return func.apply(undefined$1, arguments);
          };
        }

        /**
         * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
         *
         * @private
         * @param {Array} array The array to shuffle.
         * @param {number} [size=array.length] The size of `array`.
         * @returns {Array} Returns `array`.
         */
        function shuffleSelf(array, size) {
          var index = -1,
              length = array.length,
              lastIndex = length - 1;

          size = size === undefined$1 ? length : size;
          while (++index < size) {
            var rand = baseRandom(index, lastIndex),
                value = array[rand];

            array[rand] = array[index];
            array[index] = value;
          }
          array.length = size;
          return array;
        }

        /**
         * Converts `string` to a property path array.
         *
         * @private
         * @param {string} string The string to convert.
         * @returns {Array} Returns the property path array.
         */
        var stringToPath = memoizeCapped(function(string) {
          var result = [];
          if (string.charCodeAt(0) === 46 /* . */) {
            result.push('');
          }
          string.replace(rePropName, function(match, number, quote, subString) {
            result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));
          });
          return result;
        });

        /**
         * Converts `value` to a string key if it's not a string or symbol.
         *
         * @private
         * @param {*} value The value to inspect.
         * @returns {string|symbol} Returns the key.
         */
        function toKey(value) {
          if (typeof value == 'string' || isSymbol(value)) {
            return value;
          }
          var result = (value + '');
          return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
        }

        /**
         * Converts `func` to its source code.
         *
         * @private
         * @param {Function} func The function to convert.
         * @returns {string} Returns the source code.
         */
        function toSource(func) {
          if (func != null) {
            try {
              return funcToString.call(func);
            } catch (e) {}
            try {
              return (func + '');
            } catch (e) {}
          }
          return '';
        }

        /**
         * Updates wrapper `details` based on `bitmask` flags.
         *
         * @private
         * @returns {Array} details The details to modify.
         * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
         * @returns {Array} Returns `details`.
         */
        function updateWrapDetails(details, bitmask) {
          arrayEach(wrapFlags, function(pair) {
            var value = '_.' + pair[0];
            if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
              details.push(value);
            }
          });
          return details.sort();
        }

        /**
         * Creates a clone of `wrapper`.
         *
         * @private
         * @param {Object} wrapper The wrapper to clone.
         * @returns {Object} Returns the cloned wrapper.
         */
        function wrapperClone(wrapper) {
          if (wrapper instanceof LazyWrapper) {
            return wrapper.clone();
          }
          var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
          result.__actions__ = copyArray(wrapper.__actions__);
          result.__index__  = wrapper.__index__;
          result.__values__ = wrapper.__values__;
          return result;
        }

        /*------------------------------------------------------------------------*/

        /**
         * Creates an array of elements split into groups the length of `size`.
         * If `array` can't be split evenly, the final chunk will be the remaining
         * elements.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to process.
         * @param {number} [size=1] The length of each chunk
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the new array of chunks.
         * @example
         *
         * _.chunk(['a', 'b', 'c', 'd'], 2);
         * // => [['a', 'b'], ['c', 'd']]
         *
         * _.chunk(['a', 'b', 'c', 'd'], 3);
         * // => [['a', 'b', 'c'], ['d']]
         */
        function chunk(array, size, guard) {
          if ((guard ? isIterateeCall(array, size, guard) : size === undefined$1)) {
            size = 1;
          } else {
            size = nativeMax(toInteger(size), 0);
          }
          var length = array == null ? 0 : array.length;
          if (!length || size < 1) {
            return [];
          }
          var index = 0,
              resIndex = 0,
              result = Array(nativeCeil(length / size));

          while (index < length) {
            result[resIndex++] = baseSlice(array, index, (index += size));
          }
          return result;
        }

        /**
         * Creates an array with all falsey values removed. The values `false`, `null`,
         * `0`, `""`, `undefined`, and `NaN` are falsey.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to compact.
         * @returns {Array} Returns the new array of filtered values.
         * @example
         *
         * _.compact([0, 1, false, 2, '', 3]);
         * // => [1, 2, 3]
         */
        function compact(array) {
          var index = -1,
              length = array == null ? 0 : array.length,
              resIndex = 0,
              result = [];

          while (++index < length) {
            var value = array[index];
            if (value) {
              result[resIndex++] = value;
            }
          }
          return result;
        }

        /**
         * Creates a new array concatenating `array` with any additional arrays
         * and/or values.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to concatenate.
         * @param {...*} [values] The values to concatenate.
         * @returns {Array} Returns the new concatenated array.
         * @example
         *
         * var array = [1];
         * var other = _.concat(array, 2, [3], [[4]]);
         *
         * console.log(other);
         * // => [1, 2, 3, [4]]
         *
         * console.log(array);
         * // => [1]
         */
        function concat() {
          var length = arguments.length;
          if (!length) {
            return [];
          }
          var args = Array(length - 1),
              array = arguments[0],
              index = length;

          while (index--) {
            args[index - 1] = arguments[index];
          }
          return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
        }

        /**
         * Creates an array of `array` values not included in the other given arrays
         * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons. The order and references of result values are
         * determined by the first array.
         *
         * **Note:** Unlike `_.pullAll`, this method returns a new array.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {...Array} [values] The values to exclude.
         * @returns {Array} Returns the new array of filtered values.
         * @see _.without, _.xor
         * @example
         *
         * _.difference([2, 1], [2, 3]);
         * // => [1]
         */
        var difference = baseRest(function(array, values) {
          return isArrayLikeObject(array)
            ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
            : [];
        });

        /**
         * This method is like `_.difference` except that it accepts `iteratee` which
         * is invoked for each element of `array` and `values` to generate the criterion
         * by which they're compared. The order and references of result values are
         * determined by the first array. The iteratee is invoked with one argument:
         * (value).
         *
         * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {...Array} [values] The values to exclude.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns the new array of filtered values.
         * @example
         *
         * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
         * // => [1.2]
         *
         * // The `_.property` iteratee shorthand.
         * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
         * // => [{ 'x': 2 }]
         */
        var differenceBy = baseRest(function(array, values) {
          var iteratee = last(values);
          if (isArrayLikeObject(iteratee)) {
            iteratee = undefined$1;
          }
          return isArrayLikeObject(array)
            ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
            : [];
        });

        /**
         * This method is like `_.difference` except that it accepts `comparator`
         * which is invoked to compare elements of `array` to `values`. The order and
         * references of result values are determined by the first array. The comparator
         * is invoked with two arguments: (arrVal, othVal).
         *
         * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {...Array} [values] The values to exclude.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of filtered values.
         * @example
         *
         * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
         *
         * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
         * // => [{ 'x': 2, 'y': 1 }]
         */
        var differenceWith = baseRest(function(array, values) {
          var comparator = last(values);
          if (isArrayLikeObject(comparator)) {
            comparator = undefined$1;
          }
          return isArrayLikeObject(array)
            ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined$1, comparator)
            : [];
        });

        /**
         * Creates a slice of `array` with `n` elements dropped from the beginning.
         *
         * @static
         * @memberOf _
         * @since 0.5.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {number} [n=1] The number of elements to drop.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.drop([1, 2, 3]);
         * // => [2, 3]
         *
         * _.drop([1, 2, 3], 2);
         * // => [3]
         *
         * _.drop([1, 2, 3], 5);
         * // => []
         *
         * _.drop([1, 2, 3], 0);
         * // => [1, 2, 3]
         */
        function drop(array, n, guard) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          n = (guard || n === undefined$1) ? 1 : toInteger(n);
          return baseSlice(array, n < 0 ? 0 : n, length);
        }

        /**
         * Creates a slice of `array` with `n` elements dropped from the end.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {number} [n=1] The number of elements to drop.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.dropRight([1, 2, 3]);
         * // => [1, 2]
         *
         * _.dropRight([1, 2, 3], 2);
         * // => [1]
         *
         * _.dropRight([1, 2, 3], 5);
         * // => []
         *
         * _.dropRight([1, 2, 3], 0);
         * // => [1, 2, 3]
         */
        function dropRight(array, n, guard) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          n = (guard || n === undefined$1) ? 1 : toInteger(n);
          n = length - n;
          return baseSlice(array, 0, n < 0 ? 0 : n);
        }

        /**
         * Creates a slice of `array` excluding elements dropped from the end.
         * Elements are dropped until `predicate` returns falsey. The predicate is
         * invoked with three arguments: (value, index, array).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': true },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': false }
         * ];
         *
         * _.dropRightWhile(users, function(o) { return !o.active; });
         * // => objects for ['barney']
         *
         * // The `_.matches` iteratee shorthand.
         * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
         * // => objects for ['barney', 'fred']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.dropRightWhile(users, ['active', false]);
         * // => objects for ['barney']
         *
         * // The `_.property` iteratee shorthand.
         * _.dropRightWhile(users, 'active');
         * // => objects for ['barney', 'fred', 'pebbles']
         */
        function dropRightWhile(array, predicate) {
          return (array && array.length)
            ? baseWhile(array, getIteratee(predicate, 3), true, true)
            : [];
        }

        /**
         * Creates a slice of `array` excluding elements dropped from the beginning.
         * Elements are dropped until `predicate` returns falsey. The predicate is
         * invoked with three arguments: (value, index, array).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': false },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': true }
         * ];
         *
         * _.dropWhile(users, function(o) { return !o.active; });
         * // => objects for ['pebbles']
         *
         * // The `_.matches` iteratee shorthand.
         * _.dropWhile(users, { 'user': 'barney', 'active': false });
         * // => objects for ['fred', 'pebbles']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.dropWhile(users, ['active', false]);
         * // => objects for ['pebbles']
         *
         * // The `_.property` iteratee shorthand.
         * _.dropWhile(users, 'active');
         * // => objects for ['barney', 'fred', 'pebbles']
         */
        function dropWhile(array, predicate) {
          return (array && array.length)
            ? baseWhile(array, getIteratee(predicate, 3), true)
            : [];
        }

        /**
         * Fills elements of `array` with `value` from `start` up to, but not
         * including, `end`.
         *
         * **Note:** This method mutates `array`.
         *
         * @static
         * @memberOf _
         * @since 3.2.0
         * @category Array
         * @param {Array} array The array to fill.
         * @param {*} value The value to fill `array` with.
         * @param {number} [start=0] The start position.
         * @param {number} [end=array.length] The end position.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = [1, 2, 3];
         *
         * _.fill(array, 'a');
         * console.log(array);
         * // => ['a', 'a', 'a']
         *
         * _.fill(Array(3), 2);
         * // => [2, 2, 2]
         *
         * _.fill([4, 6, 8, 10], '*', 1, 3);
         * // => [4, '*', '*', 10]
         */
        function fill(array, value, start, end) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
            start = 0;
            end = length;
          }
          return baseFill(array, value, start, end);
        }

        /**
         * This method is like `_.find` except that it returns the index of the first
         * element `predicate` returns truthy for instead of the element itself.
         *
         * @static
         * @memberOf _
         * @since 1.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param {number} [fromIndex=0] The index to search from.
         * @returns {number} Returns the index of the found element, else `-1`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': false },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': true }
         * ];
         *
         * _.findIndex(users, function(o) { return o.user == 'barney'; });
         * // => 0
         *
         * // The `_.matches` iteratee shorthand.
         * _.findIndex(users, { 'user': 'fred', 'active': false });
         * // => 1
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.findIndex(users, ['active', false]);
         * // => 0
         *
         * // The `_.property` iteratee shorthand.
         * _.findIndex(users, 'active');
         * // => 2
         */
        function findIndex(array, predicate, fromIndex) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return -1;
          }
          var index = fromIndex == null ? 0 : toInteger(fromIndex);
          if (index < 0) {
            index = nativeMax(length + index, 0);
          }
          return baseFindIndex(array, getIteratee(predicate, 3), index);
        }

        /**
         * This method is like `_.findIndex` except that it iterates over elements
         * of `collection` from right to left.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param {number} [fromIndex=array.length-1] The index to search from.
         * @returns {number} Returns the index of the found element, else `-1`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': true },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': false }
         * ];
         *
         * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
         * // => 2
         *
         * // The `_.matches` iteratee shorthand.
         * _.findLastIndex(users, { 'user': 'barney', 'active': true });
         * // => 0
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.findLastIndex(users, ['active', false]);
         * // => 2
         *
         * // The `_.property` iteratee shorthand.
         * _.findLastIndex(users, 'active');
         * // => 0
         */
        function findLastIndex(array, predicate, fromIndex) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return -1;
          }
          var index = length - 1;
          if (fromIndex !== undefined$1) {
            index = toInteger(fromIndex);
            index = fromIndex < 0
              ? nativeMax(length + index, 0)
              : nativeMin(index, length - 1);
          }
          return baseFindIndex(array, getIteratee(predicate, 3), index, true);
        }

        /**
         * Flattens `array` a single level deep.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to flatten.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * _.flatten([1, [2, [3, [4]], 5]]);
         * // => [1, 2, [3, [4]], 5]
         */
        function flatten(array) {
          var length = array == null ? 0 : array.length;
          return length ? baseFlatten(array, 1) : [];
        }

        /**
         * Recursively flattens `array`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to flatten.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * _.flattenDeep([1, [2, [3, [4]], 5]]);
         * // => [1, 2, 3, 4, 5]
         */
        function flattenDeep(array) {
          var length = array == null ? 0 : array.length;
          return length ? baseFlatten(array, INFINITY) : [];
        }

        /**
         * Recursively flatten `array` up to `depth` times.
         *
         * @static
         * @memberOf _
         * @since 4.4.0
         * @category Array
         * @param {Array} array The array to flatten.
         * @param {number} [depth=1] The maximum recursion depth.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * var array = [1, [2, [3, [4]], 5]];
         *
         * _.flattenDepth(array, 1);
         * // => [1, 2, [3, [4]], 5]
         *
         * _.flattenDepth(array, 2);
         * // => [1, 2, 3, [4], 5]
         */
        function flattenDepth(array, depth) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          depth = depth === undefined$1 ? 1 : toInteger(depth);
          return baseFlatten(array, depth);
        }

        /**
         * The inverse of `_.toPairs`; this method returns an object composed
         * from key-value `pairs`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} pairs The key-value pairs.
         * @returns {Object} Returns the new object.
         * @example
         *
         * _.fromPairs([['a', 1], ['b', 2]]);
         * // => { 'a': 1, 'b': 2 }
         */
        function fromPairs(pairs) {
          var index = -1,
              length = pairs == null ? 0 : pairs.length,
              result = {};

          while (++index < length) {
            var pair = pairs[index];
            result[pair[0]] = pair[1];
          }
          return result;
        }

        /**
         * Gets the first element of `array`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @alias first
         * @category Array
         * @param {Array} array The array to query.
         * @returns {*} Returns the first element of `array`.
         * @example
         *
         * _.head([1, 2, 3]);
         * // => 1
         *
         * _.head([]);
         * // => undefined
         */
        function head(array) {
          return (array && array.length) ? array[0] : undefined$1;
        }

        /**
         * Gets the index at which the first occurrence of `value` is found in `array`
         * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons. If `fromIndex` is negative, it's used as the
         * offset from the end of `array`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {*} value The value to search for.
         * @param {number} [fromIndex=0] The index to search from.
         * @returns {number} Returns the index of the matched value, else `-1`.
         * @example
         *
         * _.indexOf([1, 2, 1, 2], 2);
         * // => 1
         *
         * // Search from the `fromIndex`.
         * _.indexOf([1, 2, 1, 2], 2, 2);
         * // => 3
         */
        function indexOf(array, value, fromIndex) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return -1;
          }
          var index = fromIndex == null ? 0 : toInteger(fromIndex);
          if (index < 0) {
            index = nativeMax(length + index, 0);
          }
          return baseIndexOf(array, value, index);
        }

        /**
         * Gets all but the last element of `array`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to query.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.initial([1, 2, 3]);
         * // => [1, 2]
         */
        function initial(array) {
          var length = array == null ? 0 : array.length;
          return length ? baseSlice(array, 0, -1) : [];
        }

        /**
         * Creates an array of unique values that are included in all given arrays
         * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons. The order and references of result values are
         * determined by the first array.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @returns {Array} Returns the new array of intersecting values.
         * @example
         *
         * _.intersection([2, 1], [2, 3]);
         * // => [2]
         */
        var intersection = baseRest(function(arrays) {
          var mapped = arrayMap(arrays, castArrayLikeObject);
          return (mapped.length && mapped[0] === arrays[0])
            ? baseIntersection(mapped)
            : [];
        });

        /**
         * This method is like `_.intersection` except that it accepts `iteratee`
         * which is invoked for each element of each `arrays` to generate the criterion
         * by which they're compared. The order and references of result values are
         * determined by the first array. The iteratee is invoked with one argument:
         * (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns the new array of intersecting values.
         * @example
         *
         * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
         * // => [2.1]
         *
         * // The `_.property` iteratee shorthand.
         * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
         * // => [{ 'x': 1 }]
         */
        var intersectionBy = baseRest(function(arrays) {
          var iteratee = last(arrays),
              mapped = arrayMap(arrays, castArrayLikeObject);

          if (iteratee === last(mapped)) {
            iteratee = undefined$1;
          } else {
            mapped.pop();
          }
          return (mapped.length && mapped[0] === arrays[0])
            ? baseIntersection(mapped, getIteratee(iteratee, 2))
            : [];
        });

        /**
         * This method is like `_.intersection` except that it accepts `comparator`
         * which is invoked to compare elements of `arrays`. The order and references
         * of result values are determined by the first array. The comparator is
         * invoked with two arguments: (arrVal, othVal).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of intersecting values.
         * @example
         *
         * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
         * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
         *
         * _.intersectionWith(objects, others, _.isEqual);
         * // => [{ 'x': 1, 'y': 2 }]
         */
        var intersectionWith = baseRest(function(arrays) {
          var comparator = last(arrays),
              mapped = arrayMap(arrays, castArrayLikeObject);

          comparator = typeof comparator == 'function' ? comparator : undefined$1;
          if (comparator) {
            mapped.pop();
          }
          return (mapped.length && mapped[0] === arrays[0])
            ? baseIntersection(mapped, undefined$1, comparator)
            : [];
        });

        /**
         * Converts all elements in `array` into a string separated by `separator`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to convert.
         * @param {string} [separator=','] The element separator.
         * @returns {string} Returns the joined string.
         * @example
         *
         * _.join(['a', 'b', 'c'], '~');
         * // => 'a~b~c'
         */
        function join(array, separator) {
          return array == null ? '' : nativeJoin.call(array, separator);
        }

        /**
         * Gets the last element of `array`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to query.
         * @returns {*} Returns the last element of `array`.
         * @example
         *
         * _.last([1, 2, 3]);
         * // => 3
         */
        function last(array) {
          var length = array == null ? 0 : array.length;
          return length ? array[length - 1] : undefined$1;
        }

        /**
         * This method is like `_.indexOf` except that it iterates over elements of
         * `array` from right to left.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {*} value The value to search for.
         * @param {number} [fromIndex=array.length-1] The index to search from.
         * @returns {number} Returns the index of the matched value, else `-1`.
         * @example
         *
         * _.lastIndexOf([1, 2, 1, 2], 2);
         * // => 3
         *
         * // Search from the `fromIndex`.
         * _.lastIndexOf([1, 2, 1, 2], 2, 2);
         * // => 1
         */
        function lastIndexOf(array, value, fromIndex) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return -1;
          }
          var index = length;
          if (fromIndex !== undefined$1) {
            index = toInteger(fromIndex);
            index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
          }
          return value === value
            ? strictLastIndexOf(array, value, index)
            : baseFindIndex(array, baseIsNaN, index, true);
        }

        /**
         * Gets the element at index `n` of `array`. If `n` is negative, the nth
         * element from the end is returned.
         *
         * @static
         * @memberOf _
         * @since 4.11.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {number} [n=0] The index of the element to return.
         * @returns {*} Returns the nth element of `array`.
         * @example
         *
         * var array = ['a', 'b', 'c', 'd'];
         *
         * _.nth(array, 1);
         * // => 'b'
         *
         * _.nth(array, -2);
         * // => 'c';
         */
        function nth(array, n) {
          return (array && array.length) ? baseNth(array, toInteger(n)) : undefined$1;
        }

        /**
         * Removes all given values from `array` using
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons.
         *
         * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
         * to remove elements from an array by predicate.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {...*} [values] The values to remove.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
         *
         * _.pull(array, 'a', 'c');
         * console.log(array);
         * // => ['b', 'b']
         */
        var pull = baseRest(pullAll);

        /**
         * This method is like `_.pull` except that it accepts an array of values to remove.
         *
         * **Note:** Unlike `_.difference`, this method mutates `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {Array} values The values to remove.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
         *
         * _.pullAll(array, ['a', 'c']);
         * console.log(array);
         * // => ['b', 'b']
         */
        function pullAll(array, values) {
          return (array && array.length && values && values.length)
            ? basePullAll(array, values)
            : array;
        }

        /**
         * This method is like `_.pullAll` except that it accepts `iteratee` which is
         * invoked for each element of `array` and `values` to generate the criterion
         * by which they're compared. The iteratee is invoked with one argument: (value).
         *
         * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {Array} values The values to remove.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
         *
         * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
         * console.log(array);
         * // => [{ 'x': 2 }]
         */
        function pullAllBy(array, values, iteratee) {
          return (array && array.length && values && values.length)
            ? basePullAll(array, values, getIteratee(iteratee, 2))
            : array;
        }

        /**
         * This method is like `_.pullAll` except that it accepts `comparator` which
         * is invoked to compare elements of `array` to `values`. The comparator is
         * invoked with two arguments: (arrVal, othVal).
         *
         * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
         *
         * @static
         * @memberOf _
         * @since 4.6.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {Array} values The values to remove.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
         *
         * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
         * console.log(array);
         * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
         */
        function pullAllWith(array, values, comparator) {
          return (array && array.length && values && values.length)
            ? basePullAll(array, values, undefined$1, comparator)
            : array;
        }

        /**
         * Removes elements from `array` corresponding to `indexes` and returns an
         * array of removed elements.
         *
         * **Note:** Unlike `_.at`, this method mutates `array`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {...(number|number[])} [indexes] The indexes of elements to remove.
         * @returns {Array} Returns the new array of removed elements.
         * @example
         *
         * var array = ['a', 'b', 'c', 'd'];
         * var pulled = _.pullAt(array, [1, 3]);
         *
         * console.log(array);
         * // => ['a', 'c']
         *
         * console.log(pulled);
         * // => ['b', 'd']
         */
        var pullAt = flatRest(function(array, indexes) {
          var length = array == null ? 0 : array.length,
              result = baseAt(array, indexes);

          basePullAt(array, arrayMap(indexes, function(index) {
            return isIndex(index, length) ? +index : index;
          }).sort(compareAscending));

          return result;
        });

        /**
         * Removes all elements from `array` that `predicate` returns truthy for
         * and returns an array of the removed elements. The predicate is invoked
         * with three arguments: (value, index, array).
         *
         * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
         * to pull elements from an array by value.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new array of removed elements.
         * @example
         *
         * var array = [1, 2, 3, 4];
         * var evens = _.remove(array, function(n) {
         *   return n % 2 == 0;
         * });
         *
         * console.log(array);
         * // => [1, 3]
         *
         * console.log(evens);
         * // => [2, 4]
         */
        function remove(array, predicate) {
          var result = [];
          if (!(array && array.length)) {
            return result;
          }
          var index = -1,
              indexes = [],
              length = array.length;

          predicate = getIteratee(predicate, 3);
          while (++index < length) {
            var value = array[index];
            if (predicate(value, index, array)) {
              result.push(value);
              indexes.push(index);
            }
          }
          basePullAt(array, indexes);
          return result;
        }

        /**
         * Reverses `array` so that the first element becomes the last, the second
         * element becomes the second to last, and so on.
         *
         * **Note:** This method mutates `array` and is based on
         * [`Array#reverse`](https://mdn.io/Array/reverse).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to modify.
         * @returns {Array} Returns `array`.
         * @example
         *
         * var array = [1, 2, 3];
         *
         * _.reverse(array);
         * // => [3, 2, 1]
         *
         * console.log(array);
         * // => [3, 2, 1]
         */
        function reverse(array) {
          return array == null ? array : nativeReverse.call(array);
        }

        /**
         * Creates a slice of `array` from `start` up to, but not including, `end`.
         *
         * **Note:** This method is used instead of
         * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
         * returned.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to slice.
         * @param {number} [start=0] The start position.
         * @param {number} [end=array.length] The end position.
         * @returns {Array} Returns the slice of `array`.
         */
        function slice(array, start, end) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
            start = 0;
            end = length;
          }
          else {
            start = start == null ? 0 : toInteger(start);
            end = end === undefined$1 ? length : toInteger(end);
          }
          return baseSlice(array, start, end);
        }

        /**
         * Uses a binary search to determine the lowest index at which `value`
         * should be inserted into `array` in order to maintain its sort order.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         * @example
         *
         * _.sortedIndex([30, 50], 40);
         * // => 1
         */
        function sortedIndex(array, value) {
          return baseSortedIndex(array, value);
        }

        /**
         * This method is like `_.sortedIndex` except that it accepts `iteratee`
         * which is invoked for `value` and each element of `array` to compute their
         * sort ranking. The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         * @example
         *
         * var objects = [{ 'x': 4 }, { 'x': 5 }];
         *
         * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
         * // => 0
         *
         * // The `_.property` iteratee shorthand.
         * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
         * // => 0
         */
        function sortedIndexBy(array, value, iteratee) {
          return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
        }

        /**
         * This method is like `_.indexOf` except that it performs a binary
         * search on a sorted `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {*} value The value to search for.
         * @returns {number} Returns the index of the matched value, else `-1`.
         * @example
         *
         * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
         * // => 1
         */
        function sortedIndexOf(array, value) {
          var length = array == null ? 0 : array.length;
          if (length) {
            var index = baseSortedIndex(array, value);
            if (index < length && eq(array[index], value)) {
              return index;
            }
          }
          return -1;
        }

        /**
         * This method is like `_.sortedIndex` except that it returns the highest
         * index at which `value` should be inserted into `array` in order to
         * maintain its sort order.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         * @example
         *
         * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
         * // => 4
         */
        function sortedLastIndex(array, value) {
          return baseSortedIndex(array, value, true);
        }

        /**
         * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
         * which is invoked for `value` and each element of `array` to compute their
         * sort ranking. The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The sorted array to inspect.
         * @param {*} value The value to evaluate.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {number} Returns the index at which `value` should be inserted
         *  into `array`.
         * @example
         *
         * var objects = [{ 'x': 4 }, { 'x': 5 }];
         *
         * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
         * // => 1
         *
         * // The `_.property` iteratee shorthand.
         * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
         * // => 1
         */
        function sortedLastIndexBy(array, value, iteratee) {
          return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
        }

        /**
         * This method is like `_.lastIndexOf` except that it performs a binary
         * search on a sorted `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {*} value The value to search for.
         * @returns {number} Returns the index of the matched value, else `-1`.
         * @example
         *
         * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
         * // => 3
         */
        function sortedLastIndexOf(array, value) {
          var length = array == null ? 0 : array.length;
          if (length) {
            var index = baseSortedIndex(array, value, true) - 1;
            if (eq(array[index], value)) {
              return index;
            }
          }
          return -1;
        }

        /**
         * This method is like `_.uniq` except that it's designed and optimized
         * for sorted arrays.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @returns {Array} Returns the new duplicate free array.
         * @example
         *
         * _.sortedUniq([1, 1, 2]);
         * // => [1, 2]
         */
        function sortedUniq(array) {
          return (array && array.length)
            ? baseSortedUniq(array)
            : [];
        }

        /**
         * This method is like `_.uniqBy` except that it's designed and optimized
         * for sorted arrays.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {Function} [iteratee] The iteratee invoked per element.
         * @returns {Array} Returns the new duplicate free array.
         * @example
         *
         * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
         * // => [1.1, 2.3]
         */
        function sortedUniqBy(array, iteratee) {
          return (array && array.length)
            ? baseSortedUniq(array, getIteratee(iteratee, 2))
            : [];
        }

        /**
         * Gets all but the first element of `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.tail([1, 2, 3]);
         * // => [2, 3]
         */
        function tail(array) {
          var length = array == null ? 0 : array.length;
          return length ? baseSlice(array, 1, length) : [];
        }

        /**
         * Creates a slice of `array` with `n` elements taken from the beginning.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {number} [n=1] The number of elements to take.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.take([1, 2, 3]);
         * // => [1]
         *
         * _.take([1, 2, 3], 2);
         * // => [1, 2]
         *
         * _.take([1, 2, 3], 5);
         * // => [1, 2, 3]
         *
         * _.take([1, 2, 3], 0);
         * // => []
         */
        function take(array, n, guard) {
          if (!(array && array.length)) {
            return [];
          }
          n = (guard || n === undefined$1) ? 1 : toInteger(n);
          return baseSlice(array, 0, n < 0 ? 0 : n);
        }

        /**
         * Creates a slice of `array` with `n` elements taken from the end.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {number} [n=1] The number of elements to take.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * _.takeRight([1, 2, 3]);
         * // => [3]
         *
         * _.takeRight([1, 2, 3], 2);
         * // => [2, 3]
         *
         * _.takeRight([1, 2, 3], 5);
         * // => [1, 2, 3]
         *
         * _.takeRight([1, 2, 3], 0);
         * // => []
         */
        function takeRight(array, n, guard) {
          var length = array == null ? 0 : array.length;
          if (!length) {
            return [];
          }
          n = (guard || n === undefined$1) ? 1 : toInteger(n);
          n = length - n;
          return baseSlice(array, n < 0 ? 0 : n, length);
        }

        /**
         * Creates a slice of `array` with elements taken from the end. Elements are
         * taken until `predicate` returns falsey. The predicate is invoked with
         * three arguments: (value, index, array).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': true },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': false }
         * ];
         *
         * _.takeRightWhile(users, function(o) { return !o.active; });
         * // => objects for ['fred', 'pebbles']
         *
         * // The `_.matches` iteratee shorthand.
         * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
         * // => objects for ['pebbles']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.takeRightWhile(users, ['active', false]);
         * // => objects for ['fred', 'pebbles']
         *
         * // The `_.property` iteratee shorthand.
         * _.takeRightWhile(users, 'active');
         * // => []
         */
        function takeRightWhile(array, predicate) {
          return (array && array.length)
            ? baseWhile(array, getIteratee(predicate, 3), false, true)
            : [];
        }

        /**
         * Creates a slice of `array` with elements taken from the beginning. Elements
         * are taken until `predicate` returns falsey. The predicate is invoked with
         * three arguments: (value, index, array).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Array
         * @param {Array} array The array to query.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the slice of `array`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'active': false },
         *   { 'user': 'fred',    'active': false },
         *   { 'user': 'pebbles', 'active': true }
         * ];
         *
         * _.takeWhile(users, function(o) { return !o.active; });
         * // => objects for ['barney', 'fred']
         *
         * // The `_.matches` iteratee shorthand.
         * _.takeWhile(users, { 'user': 'barney', 'active': false });
         * // => objects for ['barney']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.takeWhile(users, ['active', false]);
         * // => objects for ['barney', 'fred']
         *
         * // The `_.property` iteratee shorthand.
         * _.takeWhile(users, 'active');
         * // => []
         */
        function takeWhile(array, predicate) {
          return (array && array.length)
            ? baseWhile(array, getIteratee(predicate, 3))
            : [];
        }

        /**
         * Creates an array of unique values, in order, from all given arrays using
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @returns {Array} Returns the new array of combined values.
         * @example
         *
         * _.union([2], [1, 2]);
         * // => [2, 1]
         */
        var union = baseRest(function(arrays) {
          return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
        });

        /**
         * This method is like `_.union` except that it accepts `iteratee` which is
         * invoked for each element of each `arrays` to generate the criterion by
         * which uniqueness is computed. Result values are chosen from the first
         * array in which the value occurs. The iteratee is invoked with one argument:
         * (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns the new array of combined values.
         * @example
         *
         * _.unionBy([2.1], [1.2, 2.3], Math.floor);
         * // => [2.1, 1.2]
         *
         * // The `_.property` iteratee shorthand.
         * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
         * // => [{ 'x': 1 }, { 'x': 2 }]
         */
        var unionBy = baseRest(function(arrays) {
          var iteratee = last(arrays);
          if (isArrayLikeObject(iteratee)) {
            iteratee = undefined$1;
          }
          return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
        });

        /**
         * This method is like `_.union` except that it accepts `comparator` which
         * is invoked to compare elements of `arrays`. Result values are chosen from
         * the first array in which the value occurs. The comparator is invoked
         * with two arguments: (arrVal, othVal).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of combined values.
         * @example
         *
         * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
         * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
         *
         * _.unionWith(objects, others, _.isEqual);
         * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
         */
        var unionWith = baseRest(function(arrays) {
          var comparator = last(arrays);
          comparator = typeof comparator == 'function' ? comparator : undefined$1;
          return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined$1, comparator);
        });

        /**
         * Creates a duplicate-free version of an array, using
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons, in which only the first occurrence of each element
         * is kept. The order of result values is determined by the order they occur
         * in the array.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @returns {Array} Returns the new duplicate free array.
         * @example
         *
         * _.uniq([2, 1, 2]);
         * // => [2, 1]
         */
        function uniq(array) {
          return (array && array.length) ? baseUniq(array) : [];
        }

        /**
         * This method is like `_.uniq` except that it accepts `iteratee` which is
         * invoked for each element in `array` to generate the criterion by which
         * uniqueness is computed. The order of result values is determined by the
         * order they occur in the array. The iteratee is invoked with one argument:
         * (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns the new duplicate free array.
         * @example
         *
         * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
         * // => [2.1, 1.2]
         *
         * // The `_.property` iteratee shorthand.
         * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
         * // => [{ 'x': 1 }, { 'x': 2 }]
         */
        function uniqBy(array, iteratee) {
          return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
        }

        /**
         * This method is like `_.uniq` except that it accepts `comparator` which
         * is invoked to compare elements of `array`. The order of result values is
         * determined by the order they occur in the array.The comparator is invoked
         * with two arguments: (arrVal, othVal).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new duplicate free array.
         * @example
         *
         * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
         *
         * _.uniqWith(objects, _.isEqual);
         * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
         */
        function uniqWith(array, comparator) {
          comparator = typeof comparator == 'function' ? comparator : undefined$1;
          return (array && array.length) ? baseUniq(array, undefined$1, comparator) : [];
        }

        /**
         * This method is like `_.zip` except that it accepts an array of grouped
         * elements and creates an array regrouping the elements to their pre-zip
         * configuration.
         *
         * @static
         * @memberOf _
         * @since 1.2.0
         * @category Array
         * @param {Array} array The array of grouped elements to process.
         * @returns {Array} Returns the new array of regrouped elements.
         * @example
         *
         * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
         * // => [['a', 1, true], ['b', 2, false]]
         *
         * _.unzip(zipped);
         * // => [['a', 'b'], [1, 2], [true, false]]
         */
        function unzip(array) {
          if (!(array && array.length)) {
            return [];
          }
          var length = 0;
          array = arrayFilter(array, function(group) {
            if (isArrayLikeObject(group)) {
              length = nativeMax(group.length, length);
              return true;
            }
          });
          return baseTimes(length, function(index) {
            return arrayMap(array, baseProperty(index));
          });
        }

        /**
         * This method is like `_.unzip` except that it accepts `iteratee` to specify
         * how regrouped values should be combined. The iteratee is invoked with the
         * elements of each group: (...group).
         *
         * @static
         * @memberOf _
         * @since 3.8.0
         * @category Array
         * @param {Array} array The array of grouped elements to process.
         * @param {Function} [iteratee=_.identity] The function to combine
         *  regrouped values.
         * @returns {Array} Returns the new array of regrouped elements.
         * @example
         *
         * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
         * // => [[1, 10, 100], [2, 20, 200]]
         *
         * _.unzipWith(zipped, _.add);
         * // => [3, 30, 300]
         */
        function unzipWith(array, iteratee) {
          if (!(array && array.length)) {
            return [];
          }
          var result = unzip(array);
          if (iteratee == null) {
            return result;
          }
          return arrayMap(result, function(group) {
            return apply(iteratee, undefined$1, group);
          });
        }

        /**
         * Creates an array excluding all given values using
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * for equality comparisons.
         *
         * **Note:** Unlike `_.pull`, this method returns a new array.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {Array} array The array to inspect.
         * @param {...*} [values] The values to exclude.
         * @returns {Array} Returns the new array of filtered values.
         * @see _.difference, _.xor
         * @example
         *
         * _.without([2, 1, 2, 3], 1, 2);
         * // => [3]
         */
        var without = baseRest(function(array, values) {
          return isArrayLikeObject(array)
            ? baseDifference(array, values)
            : [];
        });

        /**
         * Creates an array of unique values that is the
         * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
         * of the given arrays. The order of result values is determined by the order
         * they occur in the arrays.
         *
         * @static
         * @memberOf _
         * @since 2.4.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @returns {Array} Returns the new array of filtered values.
         * @see _.difference, _.without
         * @example
         *
         * _.xor([2, 1], [2, 3]);
         * // => [1, 3]
         */
        var xor = baseRest(function(arrays) {
          return baseXor(arrayFilter(arrays, isArrayLikeObject));
        });

        /**
         * This method is like `_.xor` except that it accepts `iteratee` which is
         * invoked for each element of each `arrays` to generate the criterion by
         * which by which they're compared. The order of result values is determined
         * by the order they occur in the arrays. The iteratee is invoked with one
         * argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Array} Returns the new array of filtered values.
         * @example
         *
         * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
         * // => [1.2, 3.4]
         *
         * // The `_.property` iteratee shorthand.
         * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
         * // => [{ 'x': 2 }]
         */
        var xorBy = baseRest(function(arrays) {
          var iteratee = last(arrays);
          if (isArrayLikeObject(iteratee)) {
            iteratee = undefined$1;
          }
          return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
        });

        /**
         * This method is like `_.xor` except that it accepts `comparator` which is
         * invoked to compare elements of `arrays`. The order of result values is
         * determined by the order they occur in the arrays. The comparator is invoked
         * with two arguments: (arrVal, othVal).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Array
         * @param {...Array} [arrays] The arrays to inspect.
         * @param {Function} [comparator] The comparator invoked per element.
         * @returns {Array} Returns the new array of filtered values.
         * @example
         *
         * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
         * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
         *
         * _.xorWith(objects, others, _.isEqual);
         * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
         */
        var xorWith = baseRest(function(arrays) {
          var comparator = last(arrays);
          comparator = typeof comparator == 'function' ? comparator : undefined$1;
          return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined$1, comparator);
        });

        /**
         * Creates an array of grouped elements, the first of which contains the
         * first elements of the given arrays, the second of which contains the
         * second elements of the given arrays, and so on.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Array
         * @param {...Array} [arrays] The arrays to process.
         * @returns {Array} Returns the new array of grouped elements.
         * @example
         *
         * _.zip(['a', 'b'], [1, 2], [true, false]);
         * // => [['a', 1, true], ['b', 2, false]]
         */
        var zip = baseRest(unzip);

        /**
         * This method is like `_.fromPairs` except that it accepts two arrays,
         * one of property identifiers and one of corresponding values.
         *
         * @static
         * @memberOf _
         * @since 0.4.0
         * @category Array
         * @param {Array} [props=[]] The property identifiers.
         * @param {Array} [values=[]] The property values.
         * @returns {Object} Returns the new object.
         * @example
         *
         * _.zipObject(['a', 'b'], [1, 2]);
         * // => { 'a': 1, 'b': 2 }
         */
        function zipObject(props, values) {
          return baseZipObject(props || [], values || [], assignValue);
        }

        /**
         * This method is like `_.zipObject` except that it supports property paths.
         *
         * @static
         * @memberOf _
         * @since 4.1.0
         * @category Array
         * @param {Array} [props=[]] The property identifiers.
         * @param {Array} [values=[]] The property values.
         * @returns {Object} Returns the new object.
         * @example
         *
         * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
         * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
         */
        function zipObjectDeep(props, values) {
          return baseZipObject(props || [], values || [], baseSet);
        }

        /**
         * This method is like `_.zip` except that it accepts `iteratee` to specify
         * how grouped values should be combined. The iteratee is invoked with the
         * elements of each group: (...group).
         *
         * @static
         * @memberOf _
         * @since 3.8.0
         * @category Array
         * @param {...Array} [arrays] The arrays to process.
         * @param {Function} [iteratee=_.identity] The function to combine
         *  grouped values.
         * @returns {Array} Returns the new array of grouped elements.
         * @example
         *
         * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
         *   return a + b + c;
         * });
         * // => [111, 222]
         */
        var zipWith = baseRest(function(arrays) {
          var length = arrays.length,
              iteratee = length > 1 ? arrays[length - 1] : undefined$1;

          iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined$1;
          return unzipWith(arrays, iteratee);
        });

        /*------------------------------------------------------------------------*/

        /**
         * Creates a `lodash` wrapper instance that wraps `value` with explicit method
         * chain sequences enabled. The result of such sequences must be unwrapped
         * with `_#value`.
         *
         * @static
         * @memberOf _
         * @since 1.3.0
         * @category Seq
         * @param {*} value The value to wrap.
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'age': 36 },
         *   { 'user': 'fred',    'age': 40 },
         *   { 'user': 'pebbles', 'age': 1 }
         * ];
         *
         * var youngest = _
         *   .chain(users)
         *   .sortBy('age')
         *   .map(function(o) {
         *     return o.user + ' is ' + o.age;
         *   })
         *   .head()
         *   .value();
         * // => 'pebbles is 1'
         */
        function chain(value) {
          var result = lodash(value);
          result.__chain__ = true;
          return result;
        }

        /**
         * This method invokes `interceptor` and returns `value`. The interceptor
         * is invoked with one argument; (value). The purpose of this method is to
         * "tap into" a method chain sequence in order to modify intermediate results.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Seq
         * @param {*} value The value to provide to `interceptor`.
         * @param {Function} interceptor The function to invoke.
         * @returns {*} Returns `value`.
         * @example
         *
         * _([1, 2, 3])
         *  .tap(function(array) {
         *    // Mutate input array.
         *    array.pop();
         *  })
         *  .reverse()
         *  .value();
         * // => [2, 1]
         */
        function tap(value, interceptor) {
          interceptor(value);
          return value;
        }

        /**
         * This method is like `_.tap` except that it returns the result of `interceptor`.
         * The purpose of this method is to "pass thru" values replacing intermediate
         * results in a method chain sequence.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Seq
         * @param {*} value The value to provide to `interceptor`.
         * @param {Function} interceptor The function to invoke.
         * @returns {*} Returns the result of `interceptor`.
         * @example
         *
         * _('  abc  ')
         *  .chain()
         *  .trim()
         *  .thru(function(value) {
         *    return [value];
         *  })
         *  .value();
         * // => ['abc']
         */
        function thru(value, interceptor) {
          return interceptor(value);
        }

        /**
         * This method is the wrapper version of `_.at`.
         *
         * @name at
         * @memberOf _
         * @since 1.0.0
         * @category Seq
         * @param {...(string|string[])} [paths] The property paths to pick.
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
         *
         * _(object).at(['a[0].b.c', 'a[1]']).value();
         * // => [3, 4]
         */
        var wrapperAt = flatRest(function(paths) {
          var length = paths.length,
              start = length ? paths[0] : 0,
              value = this.__wrapped__,
              interceptor = function(object) { return baseAt(object, paths); };

          if (length > 1 || this.__actions__.length ||
              !(value instanceof LazyWrapper) || !isIndex(start)) {
            return this.thru(interceptor);
          }
          value = value.slice(start, +start + (length ? 1 : 0));
          value.__actions__.push({
            'func': thru,
            'args': [interceptor],
            'thisArg': undefined$1
          });
          return new LodashWrapper(value, this.__chain__).thru(function(array) {
            if (length && !array.length) {
              array.push(undefined$1);
            }
            return array;
          });
        });

        /**
         * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
         *
         * @name chain
         * @memberOf _
         * @since 0.1.0
         * @category Seq
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * var users = [
         *   { 'user': 'barney', 'age': 36 },
         *   { 'user': 'fred',   'age': 40 }
         * ];
         *
         * // A sequence without explicit chaining.
         * _(users).head();
         * // => { 'user': 'barney', 'age': 36 }
         *
         * // A sequence with explicit chaining.
         * _(users)
         *   .chain()
         *   .head()
         *   .pick('user')
         *   .value();
         * // => { 'user': 'barney' }
         */
        function wrapperChain() {
          return chain(this);
        }

        /**
         * Executes the chain sequence and returns the wrapped result.
         *
         * @name commit
         * @memberOf _
         * @since 3.2.0
         * @category Seq
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * var array = [1, 2];
         * var wrapped = _(array).push(3);
         *
         * console.log(array);
         * // => [1, 2]
         *
         * wrapped = wrapped.commit();
         * console.log(array);
         * // => [1, 2, 3]
         *
         * wrapped.last();
         * // => 3
         *
         * console.log(array);
         * // => [1, 2, 3]
         */
        function wrapperCommit() {
          return new LodashWrapper(this.value(), this.__chain__);
        }

        /**
         * Gets the next value on a wrapped object following the
         * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
         *
         * @name next
         * @memberOf _
         * @since 4.0.0
         * @category Seq
         * @returns {Object} Returns the next iterator value.
         * @example
         *
         * var wrapped = _([1, 2]);
         *
         * wrapped.next();
         * // => { 'done': false, 'value': 1 }
         *
         * wrapped.next();
         * // => { 'done': false, 'value': 2 }
         *
         * wrapped.next();
         * // => { 'done': true, 'value': undefined }
         */
        function wrapperNext() {
          if (this.__values__ === undefined$1) {
            this.__values__ = toArray(this.value());
          }
          var done = this.__index__ >= this.__values__.length,
              value = done ? undefined$1 : this.__values__[this.__index__++];

          return { 'done': done, 'value': value };
        }

        /**
         * Enables the wrapper to be iterable.
         *
         * @name Symbol.iterator
         * @memberOf _
         * @since 4.0.0
         * @category Seq
         * @returns {Object} Returns the wrapper object.
         * @example
         *
         * var wrapped = _([1, 2]);
         *
         * wrapped[Symbol.iterator]() === wrapped;
         * // => true
         *
         * Array.from(wrapped);
         * // => [1, 2]
         */
        function wrapperToIterator() {
          return this;
        }

        /**
         * Creates a clone of the chain sequence planting `value` as the wrapped value.
         *
         * @name plant
         * @memberOf _
         * @since 3.2.0
         * @category Seq
         * @param {*} value The value to plant.
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * var wrapped = _([1, 2]).map(square);
         * var other = wrapped.plant([3, 4]);
         *
         * other.value();
         * // => [9, 16]
         *
         * wrapped.value();
         * // => [1, 4]
         */
        function wrapperPlant(value) {
          var result,
              parent = this;

          while (parent instanceof baseLodash) {
            var clone = wrapperClone(parent);
            clone.__index__ = 0;
            clone.__values__ = undefined$1;
            if (result) {
              previous.__wrapped__ = clone;
            } else {
              result = clone;
            }
            var previous = clone;
            parent = parent.__wrapped__;
          }
          previous.__wrapped__ = value;
          return result;
        }

        /**
         * This method is the wrapper version of `_.reverse`.
         *
         * **Note:** This method mutates the wrapped array.
         *
         * @name reverse
         * @memberOf _
         * @since 0.1.0
         * @category Seq
         * @returns {Object} Returns the new `lodash` wrapper instance.
         * @example
         *
         * var array = [1, 2, 3];
         *
         * _(array).reverse().value()
         * // => [3, 2, 1]
         *
         * console.log(array);
         * // => [3, 2, 1]
         */
        function wrapperReverse() {
          var value = this.__wrapped__;
          if (value instanceof LazyWrapper) {
            var wrapped = value;
            if (this.__actions__.length) {
              wrapped = new LazyWrapper(this);
            }
            wrapped = wrapped.reverse();
            wrapped.__actions__.push({
              'func': thru,
              'args': [reverse],
              'thisArg': undefined$1
            });
            return new LodashWrapper(wrapped, this.__chain__);
          }
          return this.thru(reverse);
        }

        /**
         * Executes the chain sequence to resolve the unwrapped value.
         *
         * @name value
         * @memberOf _
         * @since 0.1.0
         * @alias toJSON, valueOf
         * @category Seq
         * @returns {*} Returns the resolved unwrapped value.
         * @example
         *
         * _([1, 2, 3]).value();
         * // => [1, 2, 3]
         */
        function wrapperValue() {
          return baseWrapperValue(this.__wrapped__, this.__actions__);
        }

        /*------------------------------------------------------------------------*/

        /**
         * Creates an object composed of keys generated from the results of running
         * each element of `collection` thru `iteratee`. The corresponding value of
         * each key is the number of times the key was returned by `iteratee`. The
         * iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 0.5.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
         * @returns {Object} Returns the composed aggregate object.
         * @example
         *
         * _.countBy([6.1, 4.2, 6.3], Math.floor);
         * // => { '4': 1, '6': 2 }
         *
         * // The `_.property` iteratee shorthand.
         * _.countBy(['one', 'two', 'three'], 'length');
         * // => { '3': 2, '5': 1 }
         */
        var countBy = createAggregator(function(result, value, key) {
          if (hasOwnProperty.call(result, key)) {
            ++result[key];
          } else {
            baseAssignValue(result, key, 1);
          }
        });

        /**
         * Checks if `predicate` returns truthy for **all** elements of `collection`.
         * Iteration is stopped once `predicate` returns falsey. The predicate is
         * invoked with three arguments: (value, index|key, collection).
         *
         * **Note:** This method returns `true` for
         * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
         * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
         * elements of empty collections.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {boolean} Returns `true` if all elements pass the predicate check,
         *  else `false`.
         * @example
         *
         * _.every([true, 1, null, 'yes'], Boolean);
         * // => false
         *
         * var users = [
         *   { 'user': 'barney', 'age': 36, 'active': false },
         *   { 'user': 'fred',   'age': 40, 'active': false }
         * ];
         *
         * // The `_.matches` iteratee shorthand.
         * _.every(users, { 'user': 'barney', 'active': false });
         * // => false
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.every(users, ['active', false]);
         * // => true
         *
         * // The `_.property` iteratee shorthand.
         * _.every(users, 'active');
         * // => false
         */
        function every(collection, predicate, guard) {
          var func = isArray(collection) ? arrayEvery : baseEvery;
          if (guard && isIterateeCall(collection, predicate, guard)) {
            predicate = undefined$1;
          }
          return func(collection, getIteratee(predicate, 3));
        }

        /**
         * Iterates over elements of `collection`, returning an array of all elements
         * `predicate` returns truthy for. The predicate is invoked with three
         * arguments: (value, index|key, collection).
         *
         * **Note:** Unlike `_.remove`, this method returns a new array.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new filtered array.
         * @see _.reject
         * @example
         *
         * var users = [
         *   { 'user': 'barney', 'age': 36, 'active': true },
         *   { 'user': 'fred',   'age': 40, 'active': false }
         * ];
         *
         * _.filter(users, function(o) { return !o.active; });
         * // => objects for ['fred']
         *
         * // The `_.matches` iteratee shorthand.
         * _.filter(users, { 'age': 36, 'active': true });
         * // => objects for ['barney']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.filter(users, ['active', false]);
         * // => objects for ['fred']
         *
         * // The `_.property` iteratee shorthand.
         * _.filter(users, 'active');
         * // => objects for ['barney']
         */
        function filter(collection, predicate) {
          var func = isArray(collection) ? arrayFilter : baseFilter;
          return func(collection, getIteratee(predicate, 3));
        }

        /**
         * Iterates over elements of `collection`, returning the first element
         * `predicate` returns truthy for. The predicate is invoked with three
         * arguments: (value, index|key, collection).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param {number} [fromIndex=0] The index to search from.
         * @returns {*} Returns the matched element, else `undefined`.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'age': 36, 'active': true },
         *   { 'user': 'fred',    'age': 40, 'active': false },
         *   { 'user': 'pebbles', 'age': 1,  'active': true }
         * ];
         *
         * _.find(users, function(o) { return o.age < 40; });
         * // => object for 'barney'
         *
         * // The `_.matches` iteratee shorthand.
         * _.find(users, { 'age': 1, 'active': true });
         * // => object for 'pebbles'
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.find(users, ['active', false]);
         * // => object for 'fred'
         *
         * // The `_.property` iteratee shorthand.
         * _.find(users, 'active');
         * // => object for 'barney'
         */
        var find = createFind(findIndex);

        /**
         * This method is like `_.find` except that it iterates over elements of
         * `collection` from right to left.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param {number} [fromIndex=collection.length-1] The index to search from.
         * @returns {*} Returns the matched element, else `undefined`.
         * @example
         *
         * _.findLast([1, 2, 3, 4], function(n) {
         *   return n % 2 == 1;
         * });
         * // => 3
         */
        var findLast = createFind(findLastIndex);

        /**
         * Creates a flattened array of values by running each element in `collection`
         * thru `iteratee` and flattening the mapped results. The iteratee is invoked
         * with three arguments: (value, index|key, collection).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * function duplicate(n) {
         *   return [n, n];
         * }
         *
         * _.flatMap([1, 2], duplicate);
         * // => [1, 1, 2, 2]
         */
        function flatMap(collection, iteratee) {
          return baseFlatten(map(collection, iteratee), 1);
        }

        /**
         * This method is like `_.flatMap` except that it recursively flattens the
         * mapped results.
         *
         * @static
         * @memberOf _
         * @since 4.7.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * function duplicate(n) {
         *   return [[[n, n]]];
         * }
         *
         * _.flatMapDeep([1, 2], duplicate);
         * // => [1, 1, 2, 2]
         */
        function flatMapDeep(collection, iteratee) {
          return baseFlatten(map(collection, iteratee), INFINITY);
        }

        /**
         * This method is like `_.flatMap` except that it recursively flattens the
         * mapped results up to `depth` times.
         *
         * @static
         * @memberOf _
         * @since 4.7.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @param {number} [depth=1] The maximum recursion depth.
         * @returns {Array} Returns the new flattened array.
         * @example
         *
         * function duplicate(n) {
         *   return [[[n, n]]];
         * }
         *
         * _.flatMapDepth([1, 2], duplicate, 2);
         * // => [[1, 1], [2, 2]]
         */
        function flatMapDepth(collection, iteratee, depth) {
          depth = depth === undefined$1 ? 1 : toInteger(depth);
          return baseFlatten(map(collection, iteratee), depth);
        }

        /**
         * Iterates over elements of `collection` and invokes `iteratee` for each element.
         * The iteratee is invoked with three arguments: (value, index|key, collection).
         * Iteratee functions may exit iteration early by explicitly returning `false`.
         *
         * **Note:** As with other "Collections" methods, objects with a "length"
         * property are iterated like arrays. To avoid this behavior use `_.forIn`
         * or `_.forOwn` for object iteration.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @alias each
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array|Object} Returns `collection`.
         * @see _.forEachRight
         * @example
         *
         * _.forEach([1, 2], function(value) {
         *   console.log(value);
         * });
         * // => Logs `1` then `2`.
         *
         * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
         *   console.log(key);
         * });
         * // => Logs 'a' then 'b' (iteration order is not guaranteed).
         */
        function forEach(collection, iteratee) {
          var func = isArray(collection) ? arrayEach : baseEach;
          return func(collection, getIteratee(iteratee, 3));
        }

        /**
         * This method is like `_.forEach` except that it iterates over elements of
         * `collection` from right to left.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @alias eachRight
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array|Object} Returns `collection`.
         * @see _.forEach
         * @example
         *
         * _.forEachRight([1, 2], function(value) {
         *   console.log(value);
         * });
         * // => Logs `2` then `1`.
         */
        function forEachRight(collection, iteratee) {
          var func = isArray(collection) ? arrayEachRight : baseEachRight;
          return func(collection, getIteratee(iteratee, 3));
        }

        /**
         * Creates an object composed of keys generated from the results of running
         * each element of `collection` thru `iteratee`. The order of grouped values
         * is determined by the order they occur in `collection`. The corresponding
         * value of each key is an array of elements responsible for generating the
         * key. The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
         * @returns {Object} Returns the composed aggregate object.
         * @example
         *
         * _.groupBy([6.1, 4.2, 6.3], Math.floor);
         * // => { '4': [4.2], '6': [6.1, 6.3] }
         *
         * // The `_.property` iteratee shorthand.
         * _.groupBy(['one', 'two', 'three'], 'length');
         * // => { '3': ['one', 'two'], '5': ['three'] }
         */
        var groupBy = createAggregator(function(result, value, key) {
          if (hasOwnProperty.call(result, key)) {
            result[key].push(value);
          } else {
            baseAssignValue(result, key, [value]);
          }
        });

        /**
         * Checks if `value` is in `collection`. If `collection` is a string, it's
         * checked for a substring of `value`, otherwise
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * is used for equality comparisons. If `fromIndex` is negative, it's used as
         * the offset from the end of `collection`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object|string} collection The collection to inspect.
         * @param {*} value The value to search for.
         * @param {number} [fromIndex=0] The index to search from.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
         * @returns {boolean} Returns `true` if `value` is found, else `false`.
         * @example
         *
         * _.includes([1, 2, 3], 1);
         * // => true
         *
         * _.includes([1, 2, 3], 1, 2);
         * // => false
         *
         * _.includes({ 'a': 1, 'b': 2 }, 1);
         * // => true
         *
         * _.includes('abcd', 'bc');
         * // => true
         */
        function includes(collection, value, fromIndex, guard) {
          collection = isArrayLike(collection) ? collection : values(collection);
          fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;

          var length = collection.length;
          if (fromIndex < 0) {
            fromIndex = nativeMax(length + fromIndex, 0);
          }
          return isString(collection)
            ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
            : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
        }

        /**
         * Invokes the method at `path` of each element in `collection`, returning
         * an array of the results of each invoked method. Any additional arguments
         * are provided to each invoked method. If `path` is a function, it's invoked
         * for, and `this` bound to, each element in `collection`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Array|Function|string} path The path of the method to invoke or
         *  the function invoked per iteration.
         * @param {...*} [args] The arguments to invoke each method with.
         * @returns {Array} Returns the array of results.
         * @example
         *
         * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
         * // => [[1, 5, 7], [1, 2, 3]]
         *
         * _.invokeMap([123, 456], String.prototype.split, '');
         * // => [['1', '2', '3'], ['4', '5', '6']]
         */
        var invokeMap = baseRest(function(collection, path, args) {
          var index = -1,
              isFunc = typeof path == 'function',
              result = isArrayLike(collection) ? Array(collection.length) : [];

          baseEach(collection, function(value) {
            result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
          });
          return result;
        });

        /**
         * Creates an object composed of keys generated from the results of running
         * each element of `collection` thru `iteratee`. The corresponding value of
         * each key is the last element responsible for generating the key. The
         * iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
         * @returns {Object} Returns the composed aggregate object.
         * @example
         *
         * var array = [
         *   { 'dir': 'left', 'code': 97 },
         *   { 'dir': 'right', 'code': 100 }
         * ];
         *
         * _.keyBy(array, function(o) {
         *   return String.fromCharCode(o.code);
         * });
         * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
         *
         * _.keyBy(array, 'dir');
         * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
         */
        var keyBy = createAggregator(function(result, value, key) {
          baseAssignValue(result, key, value);
        });

        /**
         * Creates an array of values by running each element in `collection` thru
         * `iteratee`. The iteratee is invoked with three arguments:
         * (value, index|key, collection).
         *
         * Many lodash methods are guarded to work as iteratees for methods like
         * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
         *
         * The guarded methods are:
         * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
         * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
         * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
         * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new mapped array.
         * @example
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * _.map([4, 8], square);
         * // => [16, 64]
         *
         * _.map({ 'a': 4, 'b': 8 }, square);
         * // => [16, 64] (iteration order is not guaranteed)
         *
         * var users = [
         *   { 'user': 'barney' },
         *   { 'user': 'fred' }
         * ];
         *
         * // The `_.property` iteratee shorthand.
         * _.map(users, 'user');
         * // => ['barney', 'fred']
         */
        function map(collection, iteratee) {
          var func = isArray(collection) ? arrayMap : baseMap;
          return func(collection, getIteratee(iteratee, 3));
        }

        /**
         * This method is like `_.sortBy` except that it allows specifying the sort
         * orders of the iteratees to sort by. If `orders` is unspecified, all values
         * are sorted in ascending order. Otherwise, specify an order of "desc" for
         * descending or "asc" for ascending sort order of corresponding values.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
         *  The iteratees to sort by.
         * @param {string[]} [orders] The sort orders of `iteratees`.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
         * @returns {Array} Returns the new sorted array.
         * @example
         *
         * var users = [
         *   { 'user': 'fred',   'age': 48 },
         *   { 'user': 'barney', 'age': 34 },
         *   { 'user': 'fred',   'age': 40 },
         *   { 'user': 'barney', 'age': 36 }
         * ];
         *
         * // Sort by `user` in ascending order and by `age` in descending order.
         * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
         * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
         */
        function orderBy(collection, iteratees, orders, guard) {
          if (collection == null) {
            return [];
          }
          if (!isArray(iteratees)) {
            iteratees = iteratees == null ? [] : [iteratees];
          }
          orders = guard ? undefined$1 : orders;
          if (!isArray(orders)) {
            orders = orders == null ? [] : [orders];
          }
          return baseOrderBy(collection, iteratees, orders);
        }

        /**
         * Creates an array of elements split into two groups, the first of which
         * contains elements `predicate` returns truthy for, the second of which
         * contains elements `predicate` returns falsey for. The predicate is
         * invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the array of grouped elements.
         * @example
         *
         * var users = [
         *   { 'user': 'barney',  'age': 36, 'active': false },
         *   { 'user': 'fred',    'age': 40, 'active': true },
         *   { 'user': 'pebbles', 'age': 1,  'active': false }
         * ];
         *
         * _.partition(users, function(o) { return o.active; });
         * // => objects for [['fred'], ['barney', 'pebbles']]
         *
         * // The `_.matches` iteratee shorthand.
         * _.partition(users, { 'age': 1, 'active': false });
         * // => objects for [['pebbles'], ['barney', 'fred']]
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.partition(users, ['active', false]);
         * // => objects for [['barney', 'pebbles'], ['fred']]
         *
         * // The `_.property` iteratee shorthand.
         * _.partition(users, 'active');
         * // => objects for [['fred'], ['barney', 'pebbles']]
         */
        var partition = createAggregator(function(result, value, key) {
          result[key ? 0 : 1].push(value);
        }, function() { return [[], []]; });

        /**
         * Reduces `collection` to a value which is the accumulated result of running
         * each element in `collection` thru `iteratee`, where each successive
         * invocation is supplied the return value of the previous. If `accumulator`
         * is not given, the first element of `collection` is used as the initial
         * value. The iteratee is invoked with four arguments:
         * (accumulator, value, index|key, collection).
         *
         * Many lodash methods are guarded to work as iteratees for methods like
         * `_.reduce`, `_.reduceRight`, and `_.transform`.
         *
         * The guarded methods are:
         * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
         * and `sortBy`
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @param {*} [accumulator] The initial value.
         * @returns {*} Returns the accumulated value.
         * @see _.reduceRight
         * @example
         *
         * _.reduce([1, 2], function(sum, n) {
         *   return sum + n;
         * }, 0);
         * // => 3
         *
         * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
         *   (result[value] || (result[value] = [])).push(key);
         *   return result;
         * }, {});
         * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
         */
        function reduce(collection, iteratee, accumulator) {
          var func = isArray(collection) ? arrayReduce : baseReduce,
              initAccum = arguments.length < 3;

          return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
        }

        /**
         * This method is like `_.reduce` except that it iterates over elements of
         * `collection` from right to left.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @param {*} [accumulator] The initial value.
         * @returns {*} Returns the accumulated value.
         * @see _.reduce
         * @example
         *
         * var array = [[0, 1], [2, 3], [4, 5]];
         *
         * _.reduceRight(array, function(flattened, other) {
         *   return flattened.concat(other);
         * }, []);
         * // => [4, 5, 2, 3, 0, 1]
         */
        function reduceRight(collection, iteratee, accumulator) {
          var func = isArray(collection) ? arrayReduceRight : baseReduce,
              initAccum = arguments.length < 3;

          return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
        }

        /**
         * The opposite of `_.filter`; this method returns the elements of `collection`
         * that `predicate` does **not** return truthy for.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the new filtered array.
         * @see _.filter
         * @example
         *
         * var users = [
         *   { 'user': 'barney', 'age': 36, 'active': false },
         *   { 'user': 'fred',   'age': 40, 'active': true }
         * ];
         *
         * _.reject(users, function(o) { return !o.active; });
         * // => objects for ['fred']
         *
         * // The `_.matches` iteratee shorthand.
         * _.reject(users, { 'age': 40, 'active': true });
         * // => objects for ['barney']
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.reject(users, ['active', false]);
         * // => objects for ['fred']
         *
         * // The `_.property` iteratee shorthand.
         * _.reject(users, 'active');
         * // => objects for ['barney']
         */
        function reject(collection, predicate) {
          var func = isArray(collection) ? arrayFilter : baseFilter;
          return func(collection, negate(getIteratee(predicate, 3)));
        }

        /**
         * Gets a random element from `collection`.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to sample.
         * @returns {*} Returns the random element.
         * @example
         *
         * _.sample([1, 2, 3, 4]);
         * // => 2
         */
        function sample(collection) {
          var func = isArray(collection) ? arraySample : baseSample;
          return func(collection);
        }

        /**
         * Gets `n` random elements at unique keys from `collection` up to the
         * size of `collection`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Collection
         * @param {Array|Object} collection The collection to sample.
         * @param {number} [n=1] The number of elements to sample.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the random elements.
         * @example
         *
         * _.sampleSize([1, 2, 3], 2);
         * // => [3, 1]
         *
         * _.sampleSize([1, 2, 3], 4);
         * // => [2, 3, 1]
         */
        function sampleSize(collection, n, guard) {
          if ((guard ? isIterateeCall(collection, n, guard) : n === undefined$1)) {
            n = 1;
          } else {
            n = toInteger(n);
          }
          var func = isArray(collection) ? arraySampleSize : baseSampleSize;
          return func(collection, n);
        }

        /**
         * Creates an array of shuffled values, using a version of the
         * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to shuffle.
         * @returns {Array} Returns the new shuffled array.
         * @example
         *
         * _.shuffle([1, 2, 3, 4]);
         * // => [4, 1, 3, 2]
         */
        function shuffle(collection) {
          var func = isArray(collection) ? arrayShuffle : baseShuffle;
          return func(collection);
        }

        /**
         * Gets the size of `collection` by returning its length for array-like
         * values or the number of own enumerable string keyed properties for objects.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object|string} collection The collection to inspect.
         * @returns {number} Returns the collection size.
         * @example
         *
         * _.size([1, 2, 3]);
         * // => 3
         *
         * _.size({ 'a': 1, 'b': 2 });
         * // => 2
         *
         * _.size('pebbles');
         * // => 7
         */
        function size(collection) {
          if (collection == null) {
            return 0;
          }
          if (isArrayLike(collection)) {
            return isString(collection) ? stringSize(collection) : collection.length;
          }
          var tag = getTag(collection);
          if (tag == mapTag || tag == setTag) {
            return collection.size;
          }
          return baseKeys(collection).length;
        }

        /**
         * Checks if `predicate` returns truthy for **any** element of `collection`.
         * Iteration is stopped once `predicate` returns truthy. The predicate is
         * invoked with three arguments: (value, index|key, collection).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {boolean} Returns `true` if any element passes the predicate check,
         *  else `false`.
         * @example
         *
         * _.some([null, 0, 'yes', false], Boolean);
         * // => true
         *
         * var users = [
         *   { 'user': 'barney', 'active': true },
         *   { 'user': 'fred',   'active': false }
         * ];
         *
         * // The `_.matches` iteratee shorthand.
         * _.some(users, { 'user': 'barney', 'active': false });
         * // => false
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.some(users, ['active', false]);
         * // => true
         *
         * // The `_.property` iteratee shorthand.
         * _.some(users, 'active');
         * // => true
         */
        function some(collection, predicate, guard) {
          var func = isArray(collection) ? arraySome : baseSome;
          if (guard && isIterateeCall(collection, predicate, guard)) {
            predicate = undefined$1;
          }
          return func(collection, getIteratee(predicate, 3));
        }

        /**
         * Creates an array of elements, sorted in ascending order by the results of
         * running each element in a collection thru each iteratee. This method
         * performs a stable sort, that is, it preserves the original sort order of
         * equal elements. The iteratees are invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Collection
         * @param {Array|Object} collection The collection to iterate over.
         * @param {...(Function|Function[])} [iteratees=[_.identity]]
         *  The iteratees to sort by.
         * @returns {Array} Returns the new sorted array.
         * @example
         *
         * var users = [
         *   { 'user': 'fred',   'age': 48 },
         *   { 'user': 'barney', 'age': 36 },
         *   { 'user': 'fred',   'age': 40 },
         *   { 'user': 'barney', 'age': 34 }
         * ];
         *
         * _.sortBy(users, [function(o) { return o.user; }]);
         * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
         *
         * _.sortBy(users, ['user', 'age']);
         * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
         */
        var sortBy = baseRest(function(collection, iteratees) {
          if (collection == null) {
            return [];
          }
          var length = iteratees.length;
          if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
            iteratees = [];
          } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
            iteratees = [iteratees[0]];
          }
          return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
        });

        /*------------------------------------------------------------------------*/

        /**
         * Gets the timestamp of the number of milliseconds that have elapsed since
         * the Unix epoch (1 January 1970 00:00:00 UTC).
         *
         * @static
         * @memberOf _
         * @since 2.4.0
         * @category Date
         * @returns {number} Returns the timestamp.
         * @example
         *
         * _.defer(function(stamp) {
         *   console.log(_.now() - stamp);
         * }, _.now());
         * // => Logs the number of milliseconds it took for the deferred invocation.
         */
        var now = ctxNow || function() {
          return root.Date.now();
        };

        /*------------------------------------------------------------------------*/

        /**
         * The opposite of `_.before`; this method creates a function that invokes
         * `func` once it's called `n` or more times.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {number} n The number of calls before `func` is invoked.
         * @param {Function} func The function to restrict.
         * @returns {Function} Returns the new restricted function.
         * @example
         *
         * var saves = ['profile', 'settings'];
         *
         * var done = _.after(saves.length, function() {
         *   console.log('done saving!');
         * });
         *
         * _.forEach(saves, function(type) {
         *   asyncSave({ 'type': type, 'complete': done });
         * });
         * // => Logs 'done saving!' after the two async saves have completed.
         */
        function after(n, func) {
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          n = toInteger(n);
          return function() {
            if (--n < 1) {
              return func.apply(this, arguments);
            }
          };
        }

        /**
         * Creates a function that invokes `func`, with up to `n` arguments,
         * ignoring any additional arguments.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Function
         * @param {Function} func The function to cap arguments for.
         * @param {number} [n=func.length] The arity cap.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Function} Returns the new capped function.
         * @example
         *
         * _.map(['6', '8', '10'], _.ary(parseInt, 1));
         * // => [6, 8, 10]
         */
        function ary(func, n, guard) {
          n = guard ? undefined$1 : n;
          n = (func && n == null) ? func.length : n;
          return createWrap(func, WRAP_ARY_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, n);
        }

        /**
         * Creates a function that invokes `func`, with the `this` binding and arguments
         * of the created function, while it's called less than `n` times. Subsequent
         * calls to the created function return the result of the last `func` invocation.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Function
         * @param {number} n The number of calls at which `func` is no longer invoked.
         * @param {Function} func The function to restrict.
         * @returns {Function} Returns the new restricted function.
         * @example
         *
         * jQuery(element).on('click', _.before(5, addContactToList));
         * // => Allows adding up to 4 contacts to the list.
         */
        function before(n, func) {
          var result;
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          n = toInteger(n);
          return function() {
            if (--n > 0) {
              result = func.apply(this, arguments);
            }
            if (n <= 1) {
              func = undefined$1;
            }
            return result;
          };
        }

        /**
         * Creates a function that invokes `func` with the `this` binding of `thisArg`
         * and `partials` prepended to the arguments it receives.
         *
         * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
         * may be used as a placeholder for partially applied arguments.
         *
         * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
         * property of bound functions.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to bind.
         * @param {*} thisArg The `this` binding of `func`.
         * @param {...*} [partials] The arguments to be partially applied.
         * @returns {Function} Returns the new bound function.
         * @example
         *
         * function greet(greeting, punctuation) {
         *   return greeting + ' ' + this.user + punctuation;
         * }
         *
         * var object = { 'user': 'fred' };
         *
         * var bound = _.bind(greet, object, 'hi');
         * bound('!');
         * // => 'hi fred!'
         *
         * // Bound with placeholders.
         * var bound = _.bind(greet, object, _, '!');
         * bound('hi');
         * // => 'hi fred!'
         */
        var bind = baseRest(function(func, thisArg, partials) {
          var bitmask = WRAP_BIND_FLAG;
          if (partials.length) {
            var holders = replaceHolders(partials, getHolder(bind));
            bitmask |= WRAP_PARTIAL_FLAG;
          }
          return createWrap(func, bitmask, thisArg, partials, holders);
        });

        /**
         * Creates a function that invokes the method at `object[key]` with `partials`
         * prepended to the arguments it receives.
         *
         * This method differs from `_.bind` by allowing bound functions to reference
         * methods that may be redefined or don't yet exist. See
         * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
         * for more details.
         *
         * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
         * builds, may be used as a placeholder for partially applied arguments.
         *
         * @static
         * @memberOf _
         * @since 0.10.0
         * @category Function
         * @param {Object} object The object to invoke the method on.
         * @param {string} key The key of the method.
         * @param {...*} [partials] The arguments to be partially applied.
         * @returns {Function} Returns the new bound function.
         * @example
         *
         * var object = {
         *   'user': 'fred',
         *   'greet': function(greeting, punctuation) {
         *     return greeting + ' ' + this.user + punctuation;
         *   }
         * };
         *
         * var bound = _.bindKey(object, 'greet', 'hi');
         * bound('!');
         * // => 'hi fred!'
         *
         * object.greet = function(greeting, punctuation) {
         *   return greeting + 'ya ' + this.user + punctuation;
         * };
         *
         * bound('!');
         * // => 'hiya fred!'
         *
         * // Bound with placeholders.
         * var bound = _.bindKey(object, 'greet', _, '!');
         * bound('hi');
         * // => 'hiya fred!'
         */
        var bindKey = baseRest(function(object, key, partials) {
          var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
          if (partials.length) {
            var holders = replaceHolders(partials, getHolder(bindKey));
            bitmask |= WRAP_PARTIAL_FLAG;
          }
          return createWrap(key, bitmask, object, partials, holders);
        });

        /**
         * Creates a function that accepts arguments of `func` and either invokes
         * `func` returning its result, if at least `arity` number of arguments have
         * been provided, or returns a function that accepts the remaining `func`
         * arguments, and so on. The arity of `func` may be specified if `func.length`
         * is not sufficient.
         *
         * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
         * may be used as a placeholder for provided arguments.
         *
         * **Note:** This method doesn't set the "length" property of curried functions.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Function
         * @param {Function} func The function to curry.
         * @param {number} [arity=func.length] The arity of `func`.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Function} Returns the new curried function.
         * @example
         *
         * var abc = function(a, b, c) {
         *   return [a, b, c];
         * };
         *
         * var curried = _.curry(abc);
         *
         * curried(1)(2)(3);
         * // => [1, 2, 3]
         *
         * curried(1, 2)(3);
         * // => [1, 2, 3]
         *
         * curried(1, 2, 3);
         * // => [1, 2, 3]
         *
         * // Curried with placeholders.
         * curried(1)(_, 3)(2);
         * // => [1, 2, 3]
         */
        function curry(func, arity, guard) {
          arity = guard ? undefined$1 : arity;
          var result = createWrap(func, WRAP_CURRY_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, undefined$1, arity);
          result.placeholder = curry.placeholder;
          return result;
        }

        /**
         * This method is like `_.curry` except that arguments are applied to `func`
         * in the manner of `_.partialRight` instead of `_.partial`.
         *
         * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
         * builds, may be used as a placeholder for provided arguments.
         *
         * **Note:** This method doesn't set the "length" property of curried functions.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Function
         * @param {Function} func The function to curry.
         * @param {number} [arity=func.length] The arity of `func`.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Function} Returns the new curried function.
         * @example
         *
         * var abc = function(a, b, c) {
         *   return [a, b, c];
         * };
         *
         * var curried = _.curryRight(abc);
         *
         * curried(3)(2)(1);
         * // => [1, 2, 3]
         *
         * curried(2, 3)(1);
         * // => [1, 2, 3]
         *
         * curried(1, 2, 3);
         * // => [1, 2, 3]
         *
         * // Curried with placeholders.
         * curried(3)(1, _)(2);
         * // => [1, 2, 3]
         */
        function curryRight(func, arity, guard) {
          arity = guard ? undefined$1 : arity;
          var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined$1, undefined$1, undefined$1, undefined$1, undefined$1, arity);
          result.placeholder = curryRight.placeholder;
          return result;
        }

        /**
         * Creates a debounced function that delays invoking `func` until after `wait`
         * milliseconds have elapsed since the last time the debounced function was
         * invoked. The debounced function comes with a `cancel` method to cancel
         * delayed `func` invocations and a `flush` method to immediately invoke them.
         * Provide `options` to indicate whether `func` should be invoked on the
         * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
         * with the last arguments provided to the debounced function. Subsequent
         * calls to the debounced function return the result of the last `func`
         * invocation.
         *
         * **Note:** If `leading` and `trailing` options are `true`, `func` is
         * invoked on the trailing edge of the timeout only if the debounced function
         * is invoked more than once during the `wait` timeout.
         *
         * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
         * until to the next tick, similar to `setTimeout` with a timeout of `0`.
         *
         * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
         * for details over the differences between `_.debounce` and `_.throttle`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to debounce.
         * @param {number} [wait=0] The number of milliseconds to delay.
         * @param {Object} [options={}] The options object.
         * @param {boolean} [options.leading=false]
         *  Specify invoking on the leading edge of the timeout.
         * @param {number} [options.maxWait]
         *  The maximum time `func` is allowed to be delayed before it's invoked.
         * @param {boolean} [options.trailing=true]
         *  Specify invoking on the trailing edge of the timeout.
         * @returns {Function} Returns the new debounced function.
         * @example
         *
         * // Avoid costly calculations while the window size is in flux.
         * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
         *
         * // Invoke `sendMail` when clicked, debouncing subsequent calls.
         * jQuery(element).on('click', _.debounce(sendMail, 300, {
         *   'leading': true,
         *   'trailing': false
         * }));
         *
         * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
         * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
         * var source = new EventSource('/stream');
         * jQuery(source).on('message', debounced);
         *
         * // Cancel the trailing debounced invocation.
         * jQuery(window).on('popstate', debounced.cancel);
         */
        function debounce(func, wait, options) {
          var lastArgs,
              lastThis,
              maxWait,
              result,
              timerId,
              lastCallTime,
              lastInvokeTime = 0,
              leading = false,
              maxing = false,
              trailing = true;

          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          wait = toNumber(wait) || 0;
          if (isObject(options)) {
            leading = !!options.leading;
            maxing = 'maxWait' in options;
            maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
            trailing = 'trailing' in options ? !!options.trailing : trailing;
          }

          function invokeFunc(time) {
            var args = lastArgs,
                thisArg = lastThis;

            lastArgs = lastThis = undefined$1;
            lastInvokeTime = time;
            result = func.apply(thisArg, args);
            return result;
          }

          function leadingEdge(time) {
            // Reset any `maxWait` timer.
            lastInvokeTime = time;
            // Start the timer for the trailing edge.
            timerId = setTimeout(timerExpired, wait);
            // Invoke the leading edge.
            return leading ? invokeFunc(time) : result;
          }

          function remainingWait(time) {
            var timeSinceLastCall = time - lastCallTime,
                timeSinceLastInvoke = time - lastInvokeTime,
                timeWaiting = wait - timeSinceLastCall;

            return maxing
              ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
              : timeWaiting;
          }

          function shouldInvoke(time) {
            var timeSinceLastCall = time - lastCallTime,
                timeSinceLastInvoke = time - lastInvokeTime;

            // Either this is the first call, activity has stopped and we're at the
            // trailing edge, the system time has gone backwards and we're treating
            // it as the trailing edge, or we've hit the `maxWait` limit.
            return (lastCallTime === undefined$1 || (timeSinceLastCall >= wait) ||
              (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
          }

          function timerExpired() {
            var time = now();
            if (shouldInvoke(time)) {
              return trailingEdge(time);
            }
            // Restart the timer.
            timerId = setTimeout(timerExpired, remainingWait(time));
          }

          function trailingEdge(time) {
            timerId = undefined$1;

            // Only invoke if we have `lastArgs` which means `func` has been
            // debounced at least once.
            if (trailing && lastArgs) {
              return invokeFunc(time);
            }
            lastArgs = lastThis = undefined$1;
            return result;
          }

          function cancel() {
            if (timerId !== undefined$1) {
              clearTimeout(timerId);
            }
            lastInvokeTime = 0;
            lastArgs = lastCallTime = lastThis = timerId = undefined$1;
          }

          function flush() {
            return timerId === undefined$1 ? result : trailingEdge(now());
          }

          function debounced() {
            var time = now(),
                isInvoking = shouldInvoke(time);

            lastArgs = arguments;
            lastThis = this;
            lastCallTime = time;

            if (isInvoking) {
              if (timerId === undefined$1) {
                return leadingEdge(lastCallTime);
              }
              if (maxing) {
                // Handle invocations in a tight loop.
                clearTimeout(timerId);
                timerId = setTimeout(timerExpired, wait);
                return invokeFunc(lastCallTime);
              }
            }
            if (timerId === undefined$1) {
              timerId = setTimeout(timerExpired, wait);
            }
            return result;
          }
          debounced.cancel = cancel;
          debounced.flush = flush;
          return debounced;
        }

        /**
         * Defers invoking the `func` until the current call stack has cleared. Any
         * additional arguments are provided to `func` when it's invoked.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to defer.
         * @param {...*} [args] The arguments to invoke `func` with.
         * @returns {number} Returns the timer id.
         * @example
         *
         * _.defer(function(text) {
         *   console.log(text);
         * }, 'deferred');
         * // => Logs 'deferred' after one millisecond.
         */
        var defer = baseRest(function(func, args) {
          return baseDelay(func, 1, args);
        });

        /**
         * Invokes `func` after `wait` milliseconds. Any additional arguments are
         * provided to `func` when it's invoked.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to delay.
         * @param {number} wait The number of milliseconds to delay invocation.
         * @param {...*} [args] The arguments to invoke `func` with.
         * @returns {number} Returns the timer id.
         * @example
         *
         * _.delay(function(text) {
         *   console.log(text);
         * }, 1000, 'later');
         * // => Logs 'later' after one second.
         */
        var delay = baseRest(function(func, wait, args) {
          return baseDelay(func, toNumber(wait) || 0, args);
        });

        /**
         * Creates a function that invokes `func` with arguments reversed.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Function
         * @param {Function} func The function to flip arguments for.
         * @returns {Function} Returns the new flipped function.
         * @example
         *
         * var flipped = _.flip(function() {
         *   return _.toArray(arguments);
         * });
         *
         * flipped('a', 'b', 'c', 'd');
         * // => ['d', 'c', 'b', 'a']
         */
        function flip(func) {
          return createWrap(func, WRAP_FLIP_FLAG);
        }

        /**
         * Creates a function that memoizes the result of `func`. If `resolver` is
         * provided, it determines the cache key for storing the result based on the
         * arguments provided to the memoized function. By default, the first argument
         * provided to the memoized function is used as the map cache key. The `func`
         * is invoked with the `this` binding of the memoized function.
         *
         * **Note:** The cache is exposed as the `cache` property on the memoized
         * function. Its creation may be customized by replacing the `_.memoize.Cache`
         * constructor with one whose instances implement the
         * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
         * method interface of `clear`, `delete`, `get`, `has`, and `set`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to have its output memoized.
         * @param {Function} [resolver] The function to resolve the cache key.
         * @returns {Function} Returns the new memoized function.
         * @example
         *
         * var object = { 'a': 1, 'b': 2 };
         * var other = { 'c': 3, 'd': 4 };
         *
         * var values = _.memoize(_.values);
         * values(object);
         * // => [1, 2]
         *
         * values(other);
         * // => [3, 4]
         *
         * object.a = 2;
         * values(object);
         * // => [1, 2]
         *
         * // Modify the result cache.
         * values.cache.set(object, ['a', 'b']);
         * values(object);
         * // => ['a', 'b']
         *
         * // Replace `_.memoize.Cache`.
         * _.memoize.Cache = WeakMap;
         */
        function memoize(func, resolver) {
          if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          var memoized = function() {
            var args = arguments,
                key = resolver ? resolver.apply(this, args) : args[0],
                cache = memoized.cache;

            if (cache.has(key)) {
              return cache.get(key);
            }
            var result = func.apply(this, args);
            memoized.cache = cache.set(key, result) || cache;
            return result;
          };
          memoized.cache = new (memoize.Cache || MapCache);
          return memoized;
        }

        // Expose `MapCache`.
        memoize.Cache = MapCache;

        /**
         * Creates a function that negates the result of the predicate `func`. The
         * `func` predicate is invoked with the `this` binding and arguments of the
         * created function.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Function
         * @param {Function} predicate The predicate to negate.
         * @returns {Function} Returns the new negated function.
         * @example
         *
         * function isEven(n) {
         *   return n % 2 == 0;
         * }
         *
         * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
         * // => [1, 3, 5]
         */
        function negate(predicate) {
          if (typeof predicate != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          return function() {
            var args = arguments;
            switch (args.length) {
              case 0: return !predicate.call(this);
              case 1: return !predicate.call(this, args[0]);
              case 2: return !predicate.call(this, args[0], args[1]);
              case 3: return !predicate.call(this, args[0], args[1], args[2]);
            }
            return !predicate.apply(this, args);
          };
        }

        /**
         * Creates a function that is restricted to invoking `func` once. Repeat calls
         * to the function return the value of the first invocation. The `func` is
         * invoked with the `this` binding and arguments of the created function.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to restrict.
         * @returns {Function} Returns the new restricted function.
         * @example
         *
         * var initialize = _.once(createApplication);
         * initialize();
         * initialize();
         * // => `createApplication` is invoked once
         */
        function once(func) {
          return before(2, func);
        }

        /**
         * Creates a function that invokes `func` with its arguments transformed.
         *
         * @static
         * @since 4.0.0
         * @memberOf _
         * @category Function
         * @param {Function} func The function to wrap.
         * @param {...(Function|Function[])} [transforms=[_.identity]]
         *  The argument transforms.
         * @returns {Function} Returns the new function.
         * @example
         *
         * function doubled(n) {
         *   return n * 2;
         * }
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * var func = _.overArgs(function(x, y) {
         *   return [x, y];
         * }, [square, doubled]);
         *
         * func(9, 3);
         * // => [81, 6]
         *
         * func(10, 5);
         * // => [100, 10]
         */
        var overArgs = castRest(function(func, transforms) {
          transforms = (transforms.length == 1 && isArray(transforms[0]))
            ? arrayMap(transforms[0], baseUnary(getIteratee()))
            : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));

          var funcsLength = transforms.length;
          return baseRest(function(args) {
            var index = -1,
                length = nativeMin(args.length, funcsLength);

            while (++index < length) {
              args[index] = transforms[index].call(this, args[index]);
            }
            return apply(func, this, args);
          });
        });

        /**
         * Creates a function that invokes `func` with `partials` prepended to the
         * arguments it receives. This method is like `_.bind` except it does **not**
         * alter the `this` binding.
         *
         * The `_.partial.placeholder` value, which defaults to `_` in monolithic
         * builds, may be used as a placeholder for partially applied arguments.
         *
         * **Note:** This method doesn't set the "length" property of partially
         * applied functions.
         *
         * @static
         * @memberOf _
         * @since 0.2.0
         * @category Function
         * @param {Function} func The function to partially apply arguments to.
         * @param {...*} [partials] The arguments to be partially applied.
         * @returns {Function} Returns the new partially applied function.
         * @example
         *
         * function greet(greeting, name) {
         *   return greeting + ' ' + name;
         * }
         *
         * var sayHelloTo = _.partial(greet, 'hello');
         * sayHelloTo('fred');
         * // => 'hello fred'
         *
         * // Partially applied with placeholders.
         * var greetFred = _.partial(greet, _, 'fred');
         * greetFred('hi');
         * // => 'hi fred'
         */
        var partial = baseRest(function(func, partials) {
          var holders = replaceHolders(partials, getHolder(partial));
          return createWrap(func, WRAP_PARTIAL_FLAG, undefined$1, partials, holders);
        });

        /**
         * This method is like `_.partial` except that partially applied arguments
         * are appended to the arguments it receives.
         *
         * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
         * builds, may be used as a placeholder for partially applied arguments.
         *
         * **Note:** This method doesn't set the "length" property of partially
         * applied functions.
         *
         * @static
         * @memberOf _
         * @since 1.0.0
         * @category Function
         * @param {Function} func The function to partially apply arguments to.
         * @param {...*} [partials] The arguments to be partially applied.
         * @returns {Function} Returns the new partially applied function.
         * @example
         *
         * function greet(greeting, name) {
         *   return greeting + ' ' + name;
         * }
         *
         * var greetFred = _.partialRight(greet, 'fred');
         * greetFred('hi');
         * // => 'hi fred'
         *
         * // Partially applied with placeholders.
         * var sayHelloTo = _.partialRight(greet, 'hello', _);
         * sayHelloTo('fred');
         * // => 'hello fred'
         */
        var partialRight = baseRest(function(func, partials) {
          var holders = replaceHolders(partials, getHolder(partialRight));
          return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined$1, partials, holders);
        });

        /**
         * Creates a function that invokes `func` with arguments arranged according
         * to the specified `indexes` where the argument value at the first index is
         * provided as the first argument, the argument value at the second index is
         * provided as the second argument, and so on.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Function
         * @param {Function} func The function to rearrange arguments for.
         * @param {...(number|number[])} indexes The arranged argument indexes.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var rearged = _.rearg(function(a, b, c) {
         *   return [a, b, c];
         * }, [2, 0, 1]);
         *
         * rearged('b', 'c', 'a')
         * // => ['a', 'b', 'c']
         */
        var rearg = flatRest(function(func, indexes) {
          return createWrap(func, WRAP_REARG_FLAG, undefined$1, undefined$1, undefined$1, indexes);
        });

        /**
         * Creates a function that invokes `func` with the `this` binding of the
         * created function and arguments from `start` and beyond provided as
         * an array.
         *
         * **Note:** This method is based on the
         * [rest parameter](https://mdn.io/rest_parameters).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Function
         * @param {Function} func The function to apply a rest parameter to.
         * @param {number} [start=func.length-1] The start position of the rest parameter.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var say = _.rest(function(what, names) {
         *   return what + ' ' + _.initial(names).join(', ') +
         *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
         * });
         *
         * say('hello', 'fred', 'barney', 'pebbles');
         * // => 'hello fred, barney, & pebbles'
         */
        function rest(func, start) {
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          start = start === undefined$1 ? start : toInteger(start);
          return baseRest(func, start);
        }

        /**
         * Creates a function that invokes `func` with the `this` binding of the
         * create function and an array of arguments much like
         * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
         *
         * **Note:** This method is based on the
         * [spread operator](https://mdn.io/spread_operator).
         *
         * @static
         * @memberOf _
         * @since 3.2.0
         * @category Function
         * @param {Function} func The function to spread arguments over.
         * @param {number} [start=0] The start position of the spread.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var say = _.spread(function(who, what) {
         *   return who + ' says ' + what;
         * });
         *
         * say(['fred', 'hello']);
         * // => 'fred says hello'
         *
         * var numbers = Promise.all([
         *   Promise.resolve(40),
         *   Promise.resolve(36)
         * ]);
         *
         * numbers.then(_.spread(function(x, y) {
         *   return x + y;
         * }));
         * // => a Promise of 76
         */
        function spread(func, start) {
          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          start = start == null ? 0 : nativeMax(toInteger(start), 0);
          return baseRest(function(args) {
            var array = args[start],
                otherArgs = castSlice(args, 0, start);

            if (array) {
              arrayPush(otherArgs, array);
            }
            return apply(func, this, otherArgs);
          });
        }

        /**
         * Creates a throttled function that only invokes `func` at most once per
         * every `wait` milliseconds. The throttled function comes with a `cancel`
         * method to cancel delayed `func` invocations and a `flush` method to
         * immediately invoke them. Provide `options` to indicate whether `func`
         * should be invoked on the leading and/or trailing edge of the `wait`
         * timeout. The `func` is invoked with the last arguments provided to the
         * throttled function. Subsequent calls to the throttled function return the
         * result of the last `func` invocation.
         *
         * **Note:** If `leading` and `trailing` options are `true`, `func` is
         * invoked on the trailing edge of the timeout only if the throttled function
         * is invoked more than once during the `wait` timeout.
         *
         * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
         * until to the next tick, similar to `setTimeout` with a timeout of `0`.
         *
         * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
         * for details over the differences between `_.throttle` and `_.debounce`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {Function} func The function to throttle.
         * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
         * @param {Object} [options={}] The options object.
         * @param {boolean} [options.leading=true]
         *  Specify invoking on the leading edge of the timeout.
         * @param {boolean} [options.trailing=true]
         *  Specify invoking on the trailing edge of the timeout.
         * @returns {Function} Returns the new throttled function.
         * @example
         *
         * // Avoid excessively updating the position while scrolling.
         * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
         *
         * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
         * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
         * jQuery(element).on('click', throttled);
         *
         * // Cancel the trailing throttled invocation.
         * jQuery(window).on('popstate', throttled.cancel);
         */
        function throttle(func, wait, options) {
          var leading = true,
              trailing = true;

          if (typeof func != 'function') {
            throw new TypeError(FUNC_ERROR_TEXT);
          }
          if (isObject(options)) {
            leading = 'leading' in options ? !!options.leading : leading;
            trailing = 'trailing' in options ? !!options.trailing : trailing;
          }
          return debounce(func, wait, {
            'leading': leading,
            'maxWait': wait,
            'trailing': trailing
          });
        }

        /**
         * Creates a function that accepts up to one argument, ignoring any
         * additional arguments.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Function
         * @param {Function} func The function to cap arguments for.
         * @returns {Function} Returns the new capped function.
         * @example
         *
         * _.map(['6', '8', '10'], _.unary(parseInt));
         * // => [6, 8, 10]
         */
        function unary(func) {
          return ary(func, 1);
        }

        /**
         * Creates a function that provides `value` to `wrapper` as its first
         * argument. Any additional arguments provided to the function are appended
         * to those provided to the `wrapper`. The wrapper is invoked with the `this`
         * binding of the created function.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Function
         * @param {*} value The value to wrap.
         * @param {Function} [wrapper=identity] The wrapper function.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var p = _.wrap(_.escape, function(func, text) {
         *   return '<p>' + func(text) + '</p>';
         * });
         *
         * p('fred, barney, & pebbles');
         * // => '<p>fred, barney, &amp; pebbles</p>'
         */
        function wrap(value, wrapper) {
          return partial(castFunction(wrapper), value);
        }

        /*------------------------------------------------------------------------*/

        /**
         * Casts `value` as an array if it's not one.
         *
         * @static
         * @memberOf _
         * @since 4.4.0
         * @category Lang
         * @param {*} value The value to inspect.
         * @returns {Array} Returns the cast array.
         * @example
         *
         * _.castArray(1);
         * // => [1]
         *
         * _.castArray({ 'a': 1 });
         * // => [{ 'a': 1 }]
         *
         * _.castArray('abc');
         * // => ['abc']
         *
         * _.castArray(null);
         * // => [null]
         *
         * _.castArray(undefined);
         * // => [undefined]
         *
         * _.castArray();
         * // => []
         *
         * var array = [1, 2, 3];
         * console.log(_.castArray(array) === array);
         * // => true
         */
        function castArray() {
          if (!arguments.length) {
            return [];
          }
          var value = arguments[0];
          return isArray(value) ? value : [value];
        }

        /**
         * Creates a shallow clone of `value`.
         *
         * **Note:** This method is loosely based on the
         * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
         * and supports cloning arrays, array buffers, booleans, date objects, maps,
         * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
         * arrays. The own enumerable properties of `arguments` objects are cloned
         * as plain objects. An empty object is returned for uncloneable values such
         * as error objects, functions, DOM nodes, and WeakMaps.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to clone.
         * @returns {*} Returns the cloned value.
         * @see _.cloneDeep
         * @example
         *
         * var objects = [{ 'a': 1 }, { 'b': 2 }];
         *
         * var shallow = _.clone(objects);
         * console.log(shallow[0] === objects[0]);
         * // => true
         */
        function clone(value) {
          return baseClone(value, CLONE_SYMBOLS_FLAG);
        }

        /**
         * This method is like `_.clone` except that it accepts `customizer` which
         * is invoked to produce the cloned value. If `customizer` returns `undefined`,
         * cloning is handled by the method instead. The `customizer` is invoked with
         * up to four arguments; (value [, index|key, object, stack]).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to clone.
         * @param {Function} [customizer] The function to customize cloning.
         * @returns {*} Returns the cloned value.
         * @see _.cloneDeepWith
         * @example
         *
         * function customizer(value) {
         *   if (_.isElement(value)) {
         *     return value.cloneNode(false);
         *   }
         * }
         *
         * var el = _.cloneWith(document.body, customizer);
         *
         * console.log(el === document.body);
         * // => false
         * console.log(el.nodeName);
         * // => 'BODY'
         * console.log(el.childNodes.length);
         * // => 0
         */
        function cloneWith(value, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
        }

        /**
         * This method is like `_.clone` except that it recursively clones `value`.
         *
         * @static
         * @memberOf _
         * @since 1.0.0
         * @category Lang
         * @param {*} value The value to recursively clone.
         * @returns {*} Returns the deep cloned value.
         * @see _.clone
         * @example
         *
         * var objects = [{ 'a': 1 }, { 'b': 2 }];
         *
         * var deep = _.cloneDeep(objects);
         * console.log(deep[0] === objects[0]);
         * // => false
         */
        function cloneDeep(value) {
          return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
        }

        /**
         * This method is like `_.cloneWith` except that it recursively clones `value`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to recursively clone.
         * @param {Function} [customizer] The function to customize cloning.
         * @returns {*} Returns the deep cloned value.
         * @see _.cloneWith
         * @example
         *
         * function customizer(value) {
         *   if (_.isElement(value)) {
         *     return value.cloneNode(true);
         *   }
         * }
         *
         * var el = _.cloneDeepWith(document.body, customizer);
         *
         * console.log(el === document.body);
         * // => false
         * console.log(el.nodeName);
         * // => 'BODY'
         * console.log(el.childNodes.length);
         * // => 20
         */
        function cloneDeepWith(value, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
        }

        /**
         * Checks if `object` conforms to `source` by invoking the predicate
         * properties of `source` with the corresponding property values of `object`.
         *
         * **Note:** This method is equivalent to `_.conforms` when `source` is
         * partially applied.
         *
         * @static
         * @memberOf _
         * @since 4.14.0
         * @category Lang
         * @param {Object} object The object to inspect.
         * @param {Object} source The object of property predicates to conform to.
         * @returns {boolean} Returns `true` if `object` conforms, else `false`.
         * @example
         *
         * var object = { 'a': 1, 'b': 2 };
         *
         * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
         * // => true
         *
         * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
         * // => false
         */
        function conformsTo(object, source) {
          return source == null || baseConformsTo(object, source, keys(source));
        }

        /**
         * Performs a
         * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
         * comparison between two values to determine if they are equivalent.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
         * @example
         *
         * var object = { 'a': 1 };
         * var other = { 'a': 1 };
         *
         * _.eq(object, object);
         * // => true
         *
         * _.eq(object, other);
         * // => false
         *
         * _.eq('a', 'a');
         * // => true
         *
         * _.eq('a', Object('a'));
         * // => false
         *
         * _.eq(NaN, NaN);
         * // => true
         */
        function eq(value, other) {
          return value === other || (value !== value && other !== other);
        }

        /**
         * Checks if `value` is greater than `other`.
         *
         * @static
         * @memberOf _
         * @since 3.9.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is greater than `other`,
         *  else `false`.
         * @see _.lt
         * @example
         *
         * _.gt(3, 1);
         * // => true
         *
         * _.gt(3, 3);
         * // => false
         *
         * _.gt(1, 3);
         * // => false
         */
        var gt = createRelationalOperation(baseGt);

        /**
         * Checks if `value` is greater than or equal to `other`.
         *
         * @static
         * @memberOf _
         * @since 3.9.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is greater than or equal to
         *  `other`, else `false`.
         * @see _.lte
         * @example
         *
         * _.gte(3, 1);
         * // => true
         *
         * _.gte(3, 3);
         * // => true
         *
         * _.gte(1, 3);
         * // => false
         */
        var gte = createRelationalOperation(function(value, other) {
          return value >= other;
        });

        /**
         * Checks if `value` is likely an `arguments` object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an `arguments` object,
         *  else `false`.
         * @example
         *
         * _.isArguments(function() { return arguments; }());
         * // => true
         *
         * _.isArguments([1, 2, 3]);
         * // => false
         */
        var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
          return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
            !propertyIsEnumerable.call(value, 'callee');
        };

        /**
         * Checks if `value` is classified as an `Array` object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an array, else `false`.
         * @example
         *
         * _.isArray([1, 2, 3]);
         * // => true
         *
         * _.isArray(document.body.children);
         * // => false
         *
         * _.isArray('abc');
         * // => false
         *
         * _.isArray(_.noop);
         * // => false
         */
        var isArray = Array.isArray;

        /**
         * Checks if `value` is classified as an `ArrayBuffer` object.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
         * @example
         *
         * _.isArrayBuffer(new ArrayBuffer(2));
         * // => true
         *
         * _.isArrayBuffer(new Array(2));
         * // => false
         */
        var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;

        /**
         * Checks if `value` is array-like. A value is considered array-like if it's
         * not a function and has a `value.length` that's an integer greater than or
         * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
         * @example
         *
         * _.isArrayLike([1, 2, 3]);
         * // => true
         *
         * _.isArrayLike(document.body.children);
         * // => true
         *
         * _.isArrayLike('abc');
         * // => true
         *
         * _.isArrayLike(_.noop);
         * // => false
         */
        function isArrayLike(value) {
          return value != null && isLength(value.length) && !isFunction(value);
        }

        /**
         * This method is like `_.isArrayLike` except that it also checks if `value`
         * is an object.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an array-like object,
         *  else `false`.
         * @example
         *
         * _.isArrayLikeObject([1, 2, 3]);
         * // => true
         *
         * _.isArrayLikeObject(document.body.children);
         * // => true
         *
         * _.isArrayLikeObject('abc');
         * // => false
         *
         * _.isArrayLikeObject(_.noop);
         * // => false
         */
        function isArrayLikeObject(value) {
          return isObjectLike(value) && isArrayLike(value);
        }

        /**
         * Checks if `value` is classified as a boolean primitive or object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
         * @example
         *
         * _.isBoolean(false);
         * // => true
         *
         * _.isBoolean(null);
         * // => false
         */
        function isBoolean(value) {
          return value === true || value === false ||
            (isObjectLike(value) && baseGetTag(value) == boolTag);
        }

        /**
         * Checks if `value` is a buffer.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
         * @example
         *
         * _.isBuffer(new Buffer(2));
         * // => true
         *
         * _.isBuffer(new Uint8Array(2));
         * // => false
         */
        var isBuffer = nativeIsBuffer || stubFalse;

        /**
         * Checks if `value` is classified as a `Date` object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
         * @example
         *
         * _.isDate(new Date);
         * // => true
         *
         * _.isDate('Mon April 23 2012');
         * // => false
         */
        var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;

        /**
         * Checks if `value` is likely a DOM element.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
         * @example
         *
         * _.isElement(document.body);
         * // => true
         *
         * _.isElement('<body>');
         * // => false
         */
        function isElement(value) {
          return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
        }

        /**
         * Checks if `value` is an empty object, collection, map, or set.
         *
         * Objects are considered empty if they have no own enumerable string keyed
         * properties.
         *
         * Array-like values such as `arguments` objects, arrays, buffers, strings, or
         * jQuery-like collections are considered empty if they have a `length` of `0`.
         * Similarly, maps and sets are considered empty if they have a `size` of `0`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is empty, else `false`.
         * @example
         *
         * _.isEmpty(null);
         * // => true
         *
         * _.isEmpty(true);
         * // => true
         *
         * _.isEmpty(1);
         * // => true
         *
         * _.isEmpty([1, 2, 3]);
         * // => false
         *
         * _.isEmpty({ 'a': 1 });
         * // => false
         */
        function isEmpty(value) {
          if (value == null) {
            return true;
          }
          if (isArrayLike(value) &&
              (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
                isBuffer(value) || isTypedArray(value) || isArguments(value))) {
            return !value.length;
          }
          var tag = getTag(value);
          if (tag == mapTag || tag == setTag) {
            return !value.size;
          }
          if (isPrototype(value)) {
            return !baseKeys(value).length;
          }
          for (var key in value) {
            if (hasOwnProperty.call(value, key)) {
              return false;
            }
          }
          return true;
        }

        /**
         * Performs a deep comparison between two values to determine if they are
         * equivalent.
         *
         * **Note:** This method supports comparing arrays, array buffers, booleans,
         * date objects, error objects, maps, numbers, `Object` objects, regexes,
         * sets, strings, symbols, and typed arrays. `Object` objects are compared
         * by their own, not inherited, enumerable properties. Functions and DOM
         * nodes are compared by strict equality, i.e. `===`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
         * @example
         *
         * var object = { 'a': 1 };
         * var other = { 'a': 1 };
         *
         * _.isEqual(object, other);
         * // => true
         *
         * object === other;
         * // => false
         */
        function isEqual(value, other) {
          return baseIsEqual(value, other);
        }

        /**
         * This method is like `_.isEqual` except that it accepts `customizer` which
         * is invoked to compare values. If `customizer` returns `undefined`, comparisons
         * are handled by the method instead. The `customizer` is invoked with up to
         * six arguments: (objValue, othValue [, index|key, object, other, stack]).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @param {Function} [customizer] The function to customize comparisons.
         * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
         * @example
         *
         * function isGreeting(value) {
         *   return /^h(?:i|ello)$/.test(value);
         * }
         *
         * function customizer(objValue, othValue) {
         *   if (isGreeting(objValue) && isGreeting(othValue)) {
         *     return true;
         *   }
         * }
         *
         * var array = ['hello', 'goodbye'];
         * var other = ['hi', 'goodbye'];
         *
         * _.isEqualWith(array, other, customizer);
         * // => true
         */
        function isEqualWith(value, other, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          var result = customizer ? customizer(value, other) : undefined$1;
          return result === undefined$1 ? baseIsEqual(value, other, undefined$1, customizer) : !!result;
        }

        /**
         * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
         * `SyntaxError`, `TypeError`, or `URIError` object.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
         * @example
         *
         * _.isError(new Error);
         * // => true
         *
         * _.isError(Error);
         * // => false
         */
        function isError(value) {
          if (!isObjectLike(value)) {
            return false;
          }
          var tag = baseGetTag(value);
          return tag == errorTag || tag == domExcTag ||
            (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
        }

        /**
         * Checks if `value` is a finite primitive number.
         *
         * **Note:** This method is based on
         * [`Number.isFinite`](https://mdn.io/Number/isFinite).
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
         * @example
         *
         * _.isFinite(3);
         * // => true
         *
         * _.isFinite(Number.MIN_VALUE);
         * // => true
         *
         * _.isFinite(Infinity);
         * // => false
         *
         * _.isFinite('3');
         * // => false
         */
        function isFinite(value) {
          return typeof value == 'number' && nativeIsFinite(value);
        }

        /**
         * Checks if `value` is classified as a `Function` object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a function, else `false`.
         * @example
         *
         * _.isFunction(_);
         * // => true
         *
         * _.isFunction(/abc/);
         * // => false
         */
        function isFunction(value) {
          if (!isObject(value)) {
            return false;
          }
          // The use of `Object#toString` avoids issues with the `typeof` operator
          // in Safari 9 which returns 'object' for typed arrays and other constructors.
          var tag = baseGetTag(value);
          return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
        }

        /**
         * Checks if `value` is an integer.
         *
         * **Note:** This method is based on
         * [`Number.isInteger`](https://mdn.io/Number/isInteger).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
         * @example
         *
         * _.isInteger(3);
         * // => true
         *
         * _.isInteger(Number.MIN_VALUE);
         * // => false
         *
         * _.isInteger(Infinity);
         * // => false
         *
         * _.isInteger('3');
         * // => false
         */
        function isInteger(value) {
          return typeof value == 'number' && value == toInteger(value);
        }

        /**
         * Checks if `value` is a valid array-like length.
         *
         * **Note:** This method is loosely based on
         * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
         * @example
         *
         * _.isLength(3);
         * // => true
         *
         * _.isLength(Number.MIN_VALUE);
         * // => false
         *
         * _.isLength(Infinity);
         * // => false
         *
         * _.isLength('3');
         * // => false
         */
        function isLength(value) {
          return typeof value == 'number' &&
            value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
        }

        /**
         * Checks if `value` is the
         * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
         * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is an object, else `false`.
         * @example
         *
         * _.isObject({});
         * // => true
         *
         * _.isObject([1, 2, 3]);
         * // => true
         *
         * _.isObject(_.noop);
         * // => true
         *
         * _.isObject(null);
         * // => false
         */
        function isObject(value) {
          var type = typeof value;
          return value != null && (type == 'object' || type == 'function');
        }

        /**
         * Checks if `value` is object-like. A value is object-like if it's not `null`
         * and has a `typeof` result of "object".
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
         * @example
         *
         * _.isObjectLike({});
         * // => true
         *
         * _.isObjectLike([1, 2, 3]);
         * // => true
         *
         * _.isObjectLike(_.noop);
         * // => false
         *
         * _.isObjectLike(null);
         * // => false
         */
        function isObjectLike(value) {
          return value != null && typeof value == 'object';
        }

        /**
         * Checks if `value` is classified as a `Map` object.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a map, else `false`.
         * @example
         *
         * _.isMap(new Map);
         * // => true
         *
         * _.isMap(new WeakMap);
         * // => false
         */
        var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;

        /**
         * Performs a partial deep comparison between `object` and `source` to
         * determine if `object` contains equivalent property values.
         *
         * **Note:** This method is equivalent to `_.matches` when `source` is
         * partially applied.
         *
         * Partial comparisons will match empty array and empty object `source`
         * values against any array or object value, respectively. See `_.isEqual`
         * for a list of supported value comparisons.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Lang
         * @param {Object} object The object to inspect.
         * @param {Object} source The object of property values to match.
         * @returns {boolean} Returns `true` if `object` is a match, else `false`.
         * @example
         *
         * var object = { 'a': 1, 'b': 2 };
         *
         * _.isMatch(object, { 'b': 2 });
         * // => true
         *
         * _.isMatch(object, { 'b': 1 });
         * // => false
         */
        function isMatch(object, source) {
          return object === source || baseIsMatch(object, source, getMatchData(source));
        }

        /**
         * This method is like `_.isMatch` except that it accepts `customizer` which
         * is invoked to compare values. If `customizer` returns `undefined`, comparisons
         * are handled by the method instead. The `customizer` is invoked with five
         * arguments: (objValue, srcValue, index|key, object, source).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {Object} object The object to inspect.
         * @param {Object} source The object of property values to match.
         * @param {Function} [customizer] The function to customize comparisons.
         * @returns {boolean} Returns `true` if `object` is a match, else `false`.
         * @example
         *
         * function isGreeting(value) {
         *   return /^h(?:i|ello)$/.test(value);
         * }
         *
         * function customizer(objValue, srcValue) {
         *   if (isGreeting(objValue) && isGreeting(srcValue)) {
         *     return true;
         *   }
         * }
         *
         * var object = { 'greeting': 'hello' };
         * var source = { 'greeting': 'hi' };
         *
         * _.isMatchWith(object, source, customizer);
         * // => true
         */
        function isMatchWith(object, source, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          return baseIsMatch(object, source, getMatchData(source), customizer);
        }

        /**
         * Checks if `value` is `NaN`.
         *
         * **Note:** This method is based on
         * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
         * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
         * `undefined` and other non-number values.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
         * @example
         *
         * _.isNaN(NaN);
         * // => true
         *
         * _.isNaN(new Number(NaN));
         * // => true
         *
         * isNaN(undefined);
         * // => true
         *
         * _.isNaN(undefined);
         * // => false
         */
        function isNaN(value) {
          // An `NaN` primitive is the only value that is not equal to itself.
          // Perform the `toStringTag` check first to avoid errors with some
          // ActiveX objects in IE.
          return isNumber(value) && value != +value;
        }

        /**
         * Checks if `value` is a pristine native function.
         *
         * **Note:** This method can't reliably detect native functions in the presence
         * of the core-js package because core-js circumvents this kind of detection.
         * Despite multiple requests, the core-js maintainer has made it clear: any
         * attempt to fix the detection will be obstructed. As a result, we're left
         * with little choice but to throw an error. Unfortunately, this also affects
         * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
         * which rely on core-js.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a native function,
         *  else `false`.
         * @example
         *
         * _.isNative(Array.prototype.push);
         * // => true
         *
         * _.isNative(_);
         * // => false
         */
        function isNative(value) {
          if (isMaskable(value)) {
            throw new Error(CORE_ERROR_TEXT);
          }
          return baseIsNative(value);
        }

        /**
         * Checks if `value` is `null`.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
         * @example
         *
         * _.isNull(null);
         * // => true
         *
         * _.isNull(void 0);
         * // => false
         */
        function isNull(value) {
          return value === null;
        }

        /**
         * Checks if `value` is `null` or `undefined`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
         * @example
         *
         * _.isNil(null);
         * // => true
         *
         * _.isNil(void 0);
         * // => true
         *
         * _.isNil(NaN);
         * // => false
         */
        function isNil(value) {
          return value == null;
        }

        /**
         * Checks if `value` is classified as a `Number` primitive or object.
         *
         * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
         * classified as numbers, use the `_.isFinite` method.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a number, else `false`.
         * @example
         *
         * _.isNumber(3);
         * // => true
         *
         * _.isNumber(Number.MIN_VALUE);
         * // => true
         *
         * _.isNumber(Infinity);
         * // => true
         *
         * _.isNumber('3');
         * // => false
         */
        function isNumber(value) {
          return typeof value == 'number' ||
            (isObjectLike(value) && baseGetTag(value) == numberTag);
        }

        /**
         * Checks if `value` is a plain object, that is, an object created by the
         * `Object` constructor or one with a `[[Prototype]]` of `null`.
         *
         * @static
         * @memberOf _
         * @since 0.8.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         * }
         *
         * _.isPlainObject(new Foo);
         * // => false
         *
         * _.isPlainObject([1, 2, 3]);
         * // => false
         *
         * _.isPlainObject({ 'x': 0, 'y': 0 });
         * // => true
         *
         * _.isPlainObject(Object.create(null));
         * // => true
         */
        function isPlainObject(value) {
          if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
            return false;
          }
          var proto = getPrototype(value);
          if (proto === null) {
            return true;
          }
          var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
          return typeof Ctor == 'function' && Ctor instanceof Ctor &&
            funcToString.call(Ctor) == objectCtorString;
        }

        /**
         * Checks if `value` is classified as a `RegExp` object.
         *
         * @static
         * @memberOf _
         * @since 0.1.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
         * @example
         *
         * _.isRegExp(/abc/);
         * // => true
         *
         * _.isRegExp('/abc/');
         * // => false
         */
        var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;

        /**
         * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
         * double precision number which isn't the result of a rounded unsafe integer.
         *
         * **Note:** This method is based on
         * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
         * @example
         *
         * _.isSafeInteger(3);
         * // => true
         *
         * _.isSafeInteger(Number.MIN_VALUE);
         * // => false
         *
         * _.isSafeInteger(Infinity);
         * // => false
         *
         * _.isSafeInteger('3');
         * // => false
         */
        function isSafeInteger(value) {
          return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
        }

        /**
         * Checks if `value` is classified as a `Set` object.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a set, else `false`.
         * @example
         *
         * _.isSet(new Set);
         * // => true
         *
         * _.isSet(new WeakSet);
         * // => false
         */
        var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;

        /**
         * Checks if `value` is classified as a `String` primitive or object.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a string, else `false`.
         * @example
         *
         * _.isString('abc');
         * // => true
         *
         * _.isString(1);
         * // => false
         */
        function isString(value) {
          return typeof value == 'string' ||
            (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
        }

        /**
         * Checks if `value` is classified as a `Symbol` primitive or object.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
         * @example
         *
         * _.isSymbol(Symbol.iterator);
         * // => true
         *
         * _.isSymbol('abc');
         * // => false
         */
        function isSymbol(value) {
          return typeof value == 'symbol' ||
            (isObjectLike(value) && baseGetTag(value) == symbolTag);
        }

        /**
         * Checks if `value` is classified as a typed array.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
         * @example
         *
         * _.isTypedArray(new Uint8Array);
         * // => true
         *
         * _.isTypedArray([]);
         * // => false
         */
        var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;

        /**
         * Checks if `value` is `undefined`.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
         * @example
         *
         * _.isUndefined(void 0);
         * // => true
         *
         * _.isUndefined(null);
         * // => false
         */
        function isUndefined(value) {
          return value === undefined$1;
        }

        /**
         * Checks if `value` is classified as a `WeakMap` object.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
         * @example
         *
         * _.isWeakMap(new WeakMap);
         * // => true
         *
         * _.isWeakMap(new Map);
         * // => false
         */
        function isWeakMap(value) {
          return isObjectLike(value) && getTag(value) == weakMapTag;
        }

        /**
         * Checks if `value` is classified as a `WeakSet` object.
         *
         * @static
         * @memberOf _
         * @since 4.3.0
         * @category Lang
         * @param {*} value The value to check.
         * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
         * @example
         *
         * _.isWeakSet(new WeakSet);
         * // => true
         *
         * _.isWeakSet(new Set);
         * // => false
         */
        function isWeakSet(value) {
          return isObjectLike(value) && baseGetTag(value) == weakSetTag;
        }

        /**
         * Checks if `value` is less than `other`.
         *
         * @static
         * @memberOf _
         * @since 3.9.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is less than `other`,
         *  else `false`.
         * @see _.gt
         * @example
         *
         * _.lt(1, 3);
         * // => true
         *
         * _.lt(3, 3);
         * // => false
         *
         * _.lt(3, 1);
         * // => false
         */
        var lt = createRelationalOperation(baseLt);

        /**
         * Checks if `value` is less than or equal to `other`.
         *
         * @static
         * @memberOf _
         * @since 3.9.0
         * @category Lang
         * @param {*} value The value to compare.
         * @param {*} other The other value to compare.
         * @returns {boolean} Returns `true` if `value` is less than or equal to
         *  `other`, else `false`.
         * @see _.gte
         * @example
         *
         * _.lte(1, 3);
         * // => true
         *
         * _.lte(3, 3);
         * // => true
         *
         * _.lte(3, 1);
         * // => false
         */
        var lte = createRelationalOperation(function(value, other) {
          return value <= other;
        });

        /**
         * Converts `value` to an array.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {Array} Returns the converted array.
         * @example
         *
         * _.toArray({ 'a': 1, 'b': 2 });
         * // => [1, 2]
         *
         * _.toArray('abc');
         * // => ['a', 'b', 'c']
         *
         * _.toArray(1);
         * // => []
         *
         * _.toArray(null);
         * // => []
         */
        function toArray(value) {
          if (!value) {
            return [];
          }
          if (isArrayLike(value)) {
            return isString(value) ? stringToArray(value) : copyArray(value);
          }
          if (symIterator && value[symIterator]) {
            return iteratorToArray(value[symIterator]());
          }
          var tag = getTag(value),
              func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);

          return func(value);
        }

        /**
         * Converts `value` to a finite number.
         *
         * @static
         * @memberOf _
         * @since 4.12.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {number} Returns the converted number.
         * @example
         *
         * _.toFinite(3.2);
         * // => 3.2
         *
         * _.toFinite(Number.MIN_VALUE);
         * // => 5e-324
         *
         * _.toFinite(Infinity);
         * // => 1.7976931348623157e+308
         *
         * _.toFinite('3.2');
         * // => 3.2
         */
        function toFinite(value) {
          if (!value) {
            return value === 0 ? value : 0;
          }
          value = toNumber(value);
          if (value === INFINITY || value === -INFINITY) {
            var sign = (value < 0 ? -1 : 1);
            return sign * MAX_INTEGER;
          }
          return value === value ? value : 0;
        }

        /**
         * Converts `value` to an integer.
         *
         * **Note:** This method is loosely based on
         * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {number} Returns the converted integer.
         * @example
         *
         * _.toInteger(3.2);
         * // => 3
         *
         * _.toInteger(Number.MIN_VALUE);
         * // => 0
         *
         * _.toInteger(Infinity);
         * // => 1.7976931348623157e+308
         *
         * _.toInteger('3.2');
         * // => 3
         */
        function toInteger(value) {
          var result = toFinite(value),
              remainder = result % 1;

          return result === result ? (remainder ? result - remainder : result) : 0;
        }

        /**
         * Converts `value` to an integer suitable for use as the length of an
         * array-like object.
         *
         * **Note:** This method is based on
         * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {number} Returns the converted integer.
         * @example
         *
         * _.toLength(3.2);
         * // => 3
         *
         * _.toLength(Number.MIN_VALUE);
         * // => 0
         *
         * _.toLength(Infinity);
         * // => 4294967295
         *
         * _.toLength('3.2');
         * // => 3
         */
        function toLength(value) {
          return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
        }

        /**
         * Converts `value` to a number.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to process.
         * @returns {number} Returns the number.
         * @example
         *
         * _.toNumber(3.2);
         * // => 3.2
         *
         * _.toNumber(Number.MIN_VALUE);
         * // => 5e-324
         *
         * _.toNumber(Infinity);
         * // => Infinity
         *
         * _.toNumber('3.2');
         * // => 3.2
         */
        function toNumber(value) {
          if (typeof value == 'number') {
            return value;
          }
          if (isSymbol(value)) {
            return NAN;
          }
          if (isObject(value)) {
            var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
            value = isObject(other) ? (other + '') : other;
          }
          if (typeof value != 'string') {
            return value === 0 ? value : +value;
          }
          value = value.replace(reTrim, '');
          var isBinary = reIsBinary.test(value);
          return (isBinary || reIsOctal.test(value))
            ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
            : (reIsBadHex.test(value) ? NAN : +value);
        }

        /**
         * Converts `value` to a plain object flattening inherited enumerable string
         * keyed properties of `value` to own properties of the plain object.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {Object} Returns the converted plain object.
         * @example
         *
         * function Foo() {
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.assign({ 'a': 1 }, new Foo);
         * // => { 'a': 1, 'b': 2 }
         *
         * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
         * // => { 'a': 1, 'b': 2, 'c': 3 }
         */
        function toPlainObject(value) {
          return copyObject(value, keysIn(value));
        }

        /**
         * Converts `value` to a safe integer. A safe integer can be compared and
         * represented correctly.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {number} Returns the converted integer.
         * @example
         *
         * _.toSafeInteger(3.2);
         * // => 3
         *
         * _.toSafeInteger(Number.MIN_VALUE);
         * // => 0
         *
         * _.toSafeInteger(Infinity);
         * // => 9007199254740991
         *
         * _.toSafeInteger('3.2');
         * // => 3
         */
        function toSafeInteger(value) {
          return value
            ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
            : (value === 0 ? value : 0);
        }

        /**
         * Converts `value` to a string. An empty string is returned for `null`
         * and `undefined` values. The sign of `-0` is preserved.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Lang
         * @param {*} value The value to convert.
         * @returns {string} Returns the converted string.
         * @example
         *
         * _.toString(null);
         * // => ''
         *
         * _.toString(-0);
         * // => '-0'
         *
         * _.toString([1, 2, 3]);
         * // => '1,2,3'
         */
        function toString(value) {
          return value == null ? '' : baseToString(value);
        }

        /*------------------------------------------------------------------------*/

        /**
         * Assigns own enumerable string keyed properties of source objects to the
         * destination object. Source objects are applied from left to right.
         * Subsequent sources overwrite property assignments of previous sources.
         *
         * **Note:** This method mutates `object` and is loosely based on
         * [`Object.assign`](https://mdn.io/Object/assign).
         *
         * @static
         * @memberOf _
         * @since 0.10.0
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} [sources] The source objects.
         * @returns {Object} Returns `object`.
         * @see _.assignIn
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         * }
         *
         * function Bar() {
         *   this.c = 3;
         * }
         *
         * Foo.prototype.b = 2;
         * Bar.prototype.d = 4;
         *
         * _.assign({ 'a': 0 }, new Foo, new Bar);
         * // => { 'a': 1, 'c': 3 }
         */
        var assign = createAssigner(function(object, source) {
          if (isPrototype(source) || isArrayLike(source)) {
            copyObject(source, keys(source), object);
            return;
          }
          for (var key in source) {
            if (hasOwnProperty.call(source, key)) {
              assignValue(object, key, source[key]);
            }
          }
        });

        /**
         * This method is like `_.assign` except that it iterates over own and
         * inherited source properties.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @alias extend
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} [sources] The source objects.
         * @returns {Object} Returns `object`.
         * @see _.assign
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         * }
         *
         * function Bar() {
         *   this.c = 3;
         * }
         *
         * Foo.prototype.b = 2;
         * Bar.prototype.d = 4;
         *
         * _.assignIn({ 'a': 0 }, new Foo, new Bar);
         * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
         */
        var assignIn = createAssigner(function(object, source) {
          copyObject(source, keysIn(source), object);
        });

        /**
         * This method is like `_.assignIn` except that it accepts `customizer`
         * which is invoked to produce the assigned values. If `customizer` returns
         * `undefined`, assignment is handled by the method instead. The `customizer`
         * is invoked with five arguments: (objValue, srcValue, key, object, source).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @alias extendWith
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} sources The source objects.
         * @param {Function} [customizer] The function to customize assigned values.
         * @returns {Object} Returns `object`.
         * @see _.assignWith
         * @example
         *
         * function customizer(objValue, srcValue) {
         *   return _.isUndefined(objValue) ? srcValue : objValue;
         * }
         *
         * var defaults = _.partialRight(_.assignInWith, customizer);
         *
         * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
         * // => { 'a': 1, 'b': 2 }
         */
        var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
          copyObject(source, keysIn(source), object, customizer);
        });

        /**
         * This method is like `_.assign` except that it accepts `customizer`
         * which is invoked to produce the assigned values. If `customizer` returns
         * `undefined`, assignment is handled by the method instead. The `customizer`
         * is invoked with five arguments: (objValue, srcValue, key, object, source).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} sources The source objects.
         * @param {Function} [customizer] The function to customize assigned values.
         * @returns {Object} Returns `object`.
         * @see _.assignInWith
         * @example
         *
         * function customizer(objValue, srcValue) {
         *   return _.isUndefined(objValue) ? srcValue : objValue;
         * }
         *
         * var defaults = _.partialRight(_.assignWith, customizer);
         *
         * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
         * // => { 'a': 1, 'b': 2 }
         */
        var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
          copyObject(source, keys(source), object, customizer);
        });

        /**
         * Creates an array of values corresponding to `paths` of `object`.
         *
         * @static
         * @memberOf _
         * @since 1.0.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {...(string|string[])} [paths] The property paths to pick.
         * @returns {Array} Returns the picked values.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
         *
         * _.at(object, ['a[0].b.c', 'a[1]']);
         * // => [3, 4]
         */
        var at = flatRest(baseAt);

        /**
         * Creates an object that inherits from the `prototype` object. If a
         * `properties` object is given, its own enumerable string keyed properties
         * are assigned to the created object.
         *
         * @static
         * @memberOf _
         * @since 2.3.0
         * @category Object
         * @param {Object} prototype The object to inherit from.
         * @param {Object} [properties] The properties to assign to the object.
         * @returns {Object} Returns the new object.
         * @example
         *
         * function Shape() {
         *   this.x = 0;
         *   this.y = 0;
         * }
         *
         * function Circle() {
         *   Shape.call(this);
         * }
         *
         * Circle.prototype = _.create(Shape.prototype, {
         *   'constructor': Circle
         * });
         *
         * var circle = new Circle;
         * circle instanceof Circle;
         * // => true
         *
         * circle instanceof Shape;
         * // => true
         */
        function create(prototype, properties) {
          var result = baseCreate(prototype);
          return properties == null ? result : baseAssign(result, properties);
        }

        /**
         * Assigns own and inherited enumerable string keyed properties of source
         * objects to the destination object for all destination properties that
         * resolve to `undefined`. Source objects are applied from left to right.
         * Once a property is set, additional values of the same property are ignored.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} [sources] The source objects.
         * @returns {Object} Returns `object`.
         * @see _.defaultsDeep
         * @example
         *
         * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
         * // => { 'a': 1, 'b': 2 }
         */
        var defaults = baseRest(function(object, sources) {
          object = Object(object);

          var index = -1;
          var length = sources.length;
          var guard = length > 2 ? sources[2] : undefined$1;

          if (guard && isIterateeCall(sources[0], sources[1], guard)) {
            length = 1;
          }

          while (++index < length) {
            var source = sources[index];
            var props = keysIn(source);
            var propsIndex = -1;
            var propsLength = props.length;

            while (++propsIndex < propsLength) {
              var key = props[propsIndex];
              var value = object[key];

              if (value === undefined$1 ||
                  (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {
                object[key] = source[key];
              }
            }
          }

          return object;
        });

        /**
         * This method is like `_.defaults` except that it recursively assigns
         * default properties.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 3.10.0
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} [sources] The source objects.
         * @returns {Object} Returns `object`.
         * @see _.defaults
         * @example
         *
         * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
         * // => { 'a': { 'b': 2, 'c': 3 } }
         */
        var defaultsDeep = baseRest(function(args) {
          args.push(undefined$1, customDefaultsMerge);
          return apply(mergeWith, undefined$1, args);
        });

        /**
         * This method is like `_.find` except that it returns the key of the first
         * element `predicate` returns truthy for instead of the element itself.
         *
         * @static
         * @memberOf _
         * @since 1.1.0
         * @category Object
         * @param {Object} object The object to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {string|undefined} Returns the key of the matched element,
         *  else `undefined`.
         * @example
         *
         * var users = {
         *   'barney':  { 'age': 36, 'active': true },
         *   'fred':    { 'age': 40, 'active': false },
         *   'pebbles': { 'age': 1,  'active': true }
         * };
         *
         * _.findKey(users, function(o) { return o.age < 40; });
         * // => 'barney' (iteration order is not guaranteed)
         *
         * // The `_.matches` iteratee shorthand.
         * _.findKey(users, { 'age': 1, 'active': true });
         * // => 'pebbles'
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.findKey(users, ['active', false]);
         * // => 'fred'
         *
         * // The `_.property` iteratee shorthand.
         * _.findKey(users, 'active');
         * // => 'barney'
         */
        function findKey(object, predicate) {
          return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
        }

        /**
         * This method is like `_.findKey` except that it iterates over elements of
         * a collection in the opposite order.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Object
         * @param {Object} object The object to inspect.
         * @param {Function} [predicate=_.identity] The function invoked per iteration.
         * @returns {string|undefined} Returns the key of the matched element,
         *  else `undefined`.
         * @example
         *
         * var users = {
         *   'barney':  { 'age': 36, 'active': true },
         *   'fred':    { 'age': 40, 'active': false },
         *   'pebbles': { 'age': 1,  'active': true }
         * };
         *
         * _.findLastKey(users, function(o) { return o.age < 40; });
         * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
         *
         * // The `_.matches` iteratee shorthand.
         * _.findLastKey(users, { 'age': 36, 'active': true });
         * // => 'barney'
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.findLastKey(users, ['active', false]);
         * // => 'fred'
         *
         * // The `_.property` iteratee shorthand.
         * _.findLastKey(users, 'active');
         * // => 'pebbles'
         */
        function findLastKey(object, predicate) {
          return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
        }

        /**
         * Iterates over own and inherited enumerable string keyed properties of an
         * object and invokes `iteratee` for each property. The iteratee is invoked
         * with three arguments: (value, key, object). Iteratee functions may exit
         * iteration early by explicitly returning `false`.
         *
         * @static
         * @memberOf _
         * @since 0.3.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns `object`.
         * @see _.forInRight
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.forIn(new Foo, function(value, key) {
         *   console.log(key);
         * });
         * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
         */
        function forIn(object, iteratee) {
          return object == null
            ? object
            : baseFor(object, getIteratee(iteratee, 3), keysIn);
        }

        /**
         * This method is like `_.forIn` except that it iterates over properties of
         * `object` in the opposite order.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns `object`.
         * @see _.forIn
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.forInRight(new Foo, function(value, key) {
         *   console.log(key);
         * });
         * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
         */
        function forInRight(object, iteratee) {
          return object == null
            ? object
            : baseForRight(object, getIteratee(iteratee, 3), keysIn);
        }

        /**
         * Iterates over own enumerable string keyed properties of an object and
         * invokes `iteratee` for each property. The iteratee is invoked with three
         * arguments: (value, key, object). Iteratee functions may exit iteration
         * early by explicitly returning `false`.
         *
         * @static
         * @memberOf _
         * @since 0.3.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns `object`.
         * @see _.forOwnRight
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.forOwn(new Foo, function(value, key) {
         *   console.log(key);
         * });
         * // => Logs 'a' then 'b' (iteration order is not guaranteed).
         */
        function forOwn(object, iteratee) {
          return object && baseForOwn(object, getIteratee(iteratee, 3));
        }

        /**
         * This method is like `_.forOwn` except that it iterates over properties of
         * `object` in the opposite order.
         *
         * @static
         * @memberOf _
         * @since 2.0.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns `object`.
         * @see _.forOwn
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.forOwnRight(new Foo, function(value, key) {
         *   console.log(key);
         * });
         * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
         */
        function forOwnRight(object, iteratee) {
          return object && baseForOwnRight(object, getIteratee(iteratee, 3));
        }

        /**
         * Creates an array of function property names from own enumerable properties
         * of `object`.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The object to inspect.
         * @returns {Array} Returns the function names.
         * @see _.functionsIn
         * @example
         *
         * function Foo() {
         *   this.a = _.constant('a');
         *   this.b = _.constant('b');
         * }
         *
         * Foo.prototype.c = _.constant('c');
         *
         * _.functions(new Foo);
         * // => ['a', 'b']
         */
        function functions(object) {
          return object == null ? [] : baseFunctions(object, keys(object));
        }

        /**
         * Creates an array of function property names from own and inherited
         * enumerable properties of `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The object to inspect.
         * @returns {Array} Returns the function names.
         * @see _.functions
         * @example
         *
         * function Foo() {
         *   this.a = _.constant('a');
         *   this.b = _.constant('b');
         * }
         *
         * Foo.prototype.c = _.constant('c');
         *
         * _.functionsIn(new Foo);
         * // => ['a', 'b', 'c']
         */
        function functionsIn(object) {
          return object == null ? [] : baseFunctions(object, keysIn(object));
        }

        /**
         * Gets the value at `path` of `object`. If the resolved value is
         * `undefined`, the `defaultValue` is returned in its place.
         *
         * @static
         * @memberOf _
         * @since 3.7.0
         * @category Object
         * @param {Object} object The object to query.
         * @param {Array|string} path The path of the property to get.
         * @param {*} [defaultValue] The value returned for `undefined` resolved values.
         * @returns {*} Returns the resolved value.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 3 } }] };
         *
         * _.get(object, 'a[0].b.c');
         * // => 3
         *
         * _.get(object, ['a', '0', 'b', 'c']);
         * // => 3
         *
         * _.get(object, 'a.b.c', 'default');
         * // => 'default'
         */
        function get(object, path, defaultValue) {
          var result = object == null ? undefined$1 : baseGet(object, path);
          return result === undefined$1 ? defaultValue : result;
        }

        /**
         * Checks if `path` is a direct property of `object`.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The object to query.
         * @param {Array|string} path The path to check.
         * @returns {boolean} Returns `true` if `path` exists, else `false`.
         * @example
         *
         * var object = { 'a': { 'b': 2 } };
         * var other = _.create({ 'a': _.create({ 'b': 2 }) });
         *
         * _.has(object, 'a');
         * // => true
         *
         * _.has(object, 'a.b');
         * // => true
         *
         * _.has(object, ['a', 'b']);
         * // => true
         *
         * _.has(other, 'a');
         * // => false
         */
        function has(object, path) {
          return object != null && hasPath(object, path, baseHas);
        }

        /**
         * Checks if `path` is a direct or inherited property of `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The object to query.
         * @param {Array|string} path The path to check.
         * @returns {boolean} Returns `true` if `path` exists, else `false`.
         * @example
         *
         * var object = _.create({ 'a': _.create({ 'b': 2 }) });
         *
         * _.hasIn(object, 'a');
         * // => true
         *
         * _.hasIn(object, 'a.b');
         * // => true
         *
         * _.hasIn(object, ['a', 'b']);
         * // => true
         *
         * _.hasIn(object, 'b');
         * // => false
         */
        function hasIn(object, path) {
          return object != null && hasPath(object, path, baseHasIn);
        }

        /**
         * Creates an object composed of the inverted keys and values of `object`.
         * If `object` contains duplicate values, subsequent values overwrite
         * property assignments of previous values.
         *
         * @static
         * @memberOf _
         * @since 0.7.0
         * @category Object
         * @param {Object} object The object to invert.
         * @returns {Object} Returns the new inverted object.
         * @example
         *
         * var object = { 'a': 1, 'b': 2, 'c': 1 };
         *
         * _.invert(object);
         * // => { '1': 'c', '2': 'b' }
         */
        var invert = createInverter(function(result, value, key) {
          if (value != null &&
              typeof value.toString != 'function') {
            value = nativeObjectToString.call(value);
          }

          result[value] = key;
        }, constant(identity));

        /**
         * This method is like `_.invert` except that the inverted object is generated
         * from the results of running each element of `object` thru `iteratee`. The
         * corresponding inverted value of each inverted key is an array of keys
         * responsible for generating the inverted value. The iteratee is invoked
         * with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.1.0
         * @category Object
         * @param {Object} object The object to invert.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {Object} Returns the new inverted object.
         * @example
         *
         * var object = { 'a': 1, 'b': 2, 'c': 1 };
         *
         * _.invertBy(object);
         * // => { '1': ['a', 'c'], '2': ['b'] }
         *
         * _.invertBy(object, function(value) {
         *   return 'group' + value;
         * });
         * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
         */
        var invertBy = createInverter(function(result, value, key) {
          if (value != null &&
              typeof value.toString != 'function') {
            value = nativeObjectToString.call(value);
          }

          if (hasOwnProperty.call(result, value)) {
            result[value].push(key);
          } else {
            result[value] = [key];
          }
        }, getIteratee);

        /**
         * Invokes the method at `path` of `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The object to query.
         * @param {Array|string} path The path of the method to invoke.
         * @param {...*} [args] The arguments to invoke the method with.
         * @returns {*} Returns the result of the invoked method.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
         *
         * _.invoke(object, 'a[0].b.c.slice', 1, 3);
         * // => [2, 3]
         */
        var invoke = baseRest(baseInvoke);

        /**
         * Creates an array of the own enumerable property names of `object`.
         *
         * **Note:** Non-object values are coerced to objects. See the
         * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
         * for more details.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.keys(new Foo);
         * // => ['a', 'b'] (iteration order is not guaranteed)
         *
         * _.keys('hi');
         * // => ['0', '1']
         */
        function keys(object) {
          return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
        }

        /**
         * Creates an array of the own and inherited enumerable property names of `object`.
         *
         * **Note:** Non-object values are coerced to objects.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property names.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.keysIn(new Foo);
         * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
         */
        function keysIn(object) {
          return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
        }

        /**
         * The opposite of `_.mapValues`; this method creates an object with the
         * same values as `object` and keys generated by running each own enumerable
         * string keyed property of `object` thru `iteratee`. The iteratee is invoked
         * with three arguments: (value, key, object).
         *
         * @static
         * @memberOf _
         * @since 3.8.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns the new mapped object.
         * @see _.mapValues
         * @example
         *
         * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
         *   return key + value;
         * });
         * // => { 'a1': 1, 'b2': 2 }
         */
        function mapKeys(object, iteratee) {
          var result = {};
          iteratee = getIteratee(iteratee, 3);

          baseForOwn(object, function(value, key, object) {
            baseAssignValue(result, iteratee(value, key, object), value);
          });
          return result;
        }

        /**
         * Creates an object with the same keys as `object` and values generated
         * by running each own enumerable string keyed property of `object` thru
         * `iteratee`. The iteratee is invoked with three arguments:
         * (value, key, object).
         *
         * @static
         * @memberOf _
         * @since 2.4.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Object} Returns the new mapped object.
         * @see _.mapKeys
         * @example
         *
         * var users = {
         *   'fred':    { 'user': 'fred',    'age': 40 },
         *   'pebbles': { 'user': 'pebbles', 'age': 1 }
         * };
         *
         * _.mapValues(users, function(o) { return o.age; });
         * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
         *
         * // The `_.property` iteratee shorthand.
         * _.mapValues(users, 'age');
         * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
         */
        function mapValues(object, iteratee) {
          var result = {};
          iteratee = getIteratee(iteratee, 3);

          baseForOwn(object, function(value, key, object) {
            baseAssignValue(result, key, iteratee(value, key, object));
          });
          return result;
        }

        /**
         * This method is like `_.assign` except that it recursively merges own and
         * inherited enumerable string keyed properties of source objects into the
         * destination object. Source properties that resolve to `undefined` are
         * skipped if a destination value exists. Array and plain object properties
         * are merged recursively. Other objects and value types are overridden by
         * assignment. Source objects are applied from left to right. Subsequent
         * sources overwrite property assignments of previous sources.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 0.5.0
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} [sources] The source objects.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var object = {
         *   'a': [{ 'b': 2 }, { 'd': 4 }]
         * };
         *
         * var other = {
         *   'a': [{ 'c': 3 }, { 'e': 5 }]
         * };
         *
         * _.merge(object, other);
         * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
         */
        var merge = createAssigner(function(object, source, srcIndex) {
          baseMerge(object, source, srcIndex);
        });

        /**
         * This method is like `_.merge` except that it accepts `customizer` which
         * is invoked to produce the merged values of the destination and source
         * properties. If `customizer` returns `undefined`, merging is handled by the
         * method instead. The `customizer` is invoked with six arguments:
         * (objValue, srcValue, key, object, source, stack).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The destination object.
         * @param {...Object} sources The source objects.
         * @param {Function} customizer The function to customize assigned values.
         * @returns {Object} Returns `object`.
         * @example
         *
         * function customizer(objValue, srcValue) {
         *   if (_.isArray(objValue)) {
         *     return objValue.concat(srcValue);
         *   }
         * }
         *
         * var object = { 'a': [1], 'b': [2] };
         * var other = { 'a': [3], 'b': [4] };
         *
         * _.mergeWith(object, other, customizer);
         * // => { 'a': [1, 3], 'b': [2, 4] }
         */
        var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
          baseMerge(object, source, srcIndex, customizer);
        });

        /**
         * The opposite of `_.pick`; this method creates an object composed of the
         * own and inherited enumerable property paths of `object` that are not omitted.
         *
         * **Note:** This method is considerably slower than `_.pick`.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The source object.
         * @param {...(string|string[])} [paths] The property paths to omit.
         * @returns {Object} Returns the new object.
         * @example
         *
         * var object = { 'a': 1, 'b': '2', 'c': 3 };
         *
         * _.omit(object, ['a', 'c']);
         * // => { 'b': '2' }
         */
        var omit = flatRest(function(object, paths) {
          var result = {};
          if (object == null) {
            return result;
          }
          var isDeep = false;
          paths = arrayMap(paths, function(path) {
            path = castPath(path, object);
            isDeep || (isDeep = path.length > 1);
            return path;
          });
          copyObject(object, getAllKeysIn(object), result);
          if (isDeep) {
            result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
          }
          var length = paths.length;
          while (length--) {
            baseUnset(result, paths[length]);
          }
          return result;
        });

        /**
         * The opposite of `_.pickBy`; this method creates an object composed of
         * the own and inherited enumerable string keyed properties of `object` that
         * `predicate` doesn't return truthy for. The predicate is invoked with two
         * arguments: (value, key).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The source object.
         * @param {Function} [predicate=_.identity] The function invoked per property.
         * @returns {Object} Returns the new object.
         * @example
         *
         * var object = { 'a': 1, 'b': '2', 'c': 3 };
         *
         * _.omitBy(object, _.isNumber);
         * // => { 'b': '2' }
         */
        function omitBy(object, predicate) {
          return pickBy(object, negate(getIteratee(predicate)));
        }

        /**
         * Creates an object composed of the picked `object` properties.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The source object.
         * @param {...(string|string[])} [paths] The property paths to pick.
         * @returns {Object} Returns the new object.
         * @example
         *
         * var object = { 'a': 1, 'b': '2', 'c': 3 };
         *
         * _.pick(object, ['a', 'c']);
         * // => { 'a': 1, 'c': 3 }
         */
        var pick = flatRest(function(object, paths) {
          return object == null ? {} : basePick(object, paths);
        });

        /**
         * Creates an object composed of the `object` properties `predicate` returns
         * truthy for. The predicate is invoked with two arguments: (value, key).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The source object.
         * @param {Function} [predicate=_.identity] The function invoked per property.
         * @returns {Object} Returns the new object.
         * @example
         *
         * var object = { 'a': 1, 'b': '2', 'c': 3 };
         *
         * _.pickBy(object, _.isNumber);
         * // => { 'a': 1, 'c': 3 }
         */
        function pickBy(object, predicate) {
          if (object == null) {
            return {};
          }
          var props = arrayMap(getAllKeysIn(object), function(prop) {
            return [prop];
          });
          predicate = getIteratee(predicate);
          return basePickBy(object, props, function(value, path) {
            return predicate(value, path[0]);
          });
        }

        /**
         * This method is like `_.get` except that if the resolved value is a
         * function it's invoked with the `this` binding of its parent object and
         * its result is returned.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The object to query.
         * @param {Array|string} path The path of the property to resolve.
         * @param {*} [defaultValue] The value returned for `undefined` resolved values.
         * @returns {*} Returns the resolved value.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
         *
         * _.result(object, 'a[0].b.c1');
         * // => 3
         *
         * _.result(object, 'a[0].b.c2');
         * // => 4
         *
         * _.result(object, 'a[0].b.c3', 'default');
         * // => 'default'
         *
         * _.result(object, 'a[0].b.c3', _.constant('default'));
         * // => 'default'
         */
        function result(object, path, defaultValue) {
          path = castPath(path, object);

          var index = -1,
              length = path.length;

          // Ensure the loop is entered when path is empty.
          if (!length) {
            length = 1;
            object = undefined$1;
          }
          while (++index < length) {
            var value = object == null ? undefined$1 : object[toKey(path[index])];
            if (value === undefined$1) {
              index = length;
              value = defaultValue;
            }
            object = isFunction(value) ? value.call(object) : value;
          }
          return object;
        }

        /**
         * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
         * it's created. Arrays are created for missing index properties while objects
         * are created for all other missing properties. Use `_.setWith` to customize
         * `path` creation.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 3.7.0
         * @category Object
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to set.
         * @param {*} value The value to set.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 3 } }] };
         *
         * _.set(object, 'a[0].b.c', 4);
         * console.log(object.a[0].b.c);
         * // => 4
         *
         * _.set(object, ['x', '0', 'y', 'z'], 5);
         * console.log(object.x[0].y.z);
         * // => 5
         */
        function set(object, path, value) {
          return object == null ? object : baseSet(object, path, value);
        }

        /**
         * This method is like `_.set` except that it accepts `customizer` which is
         * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
         * path creation is handled by the method instead. The `customizer` is invoked
         * with three arguments: (nsValue, key, nsObject).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to set.
         * @param {*} value The value to set.
         * @param {Function} [customizer] The function to customize assigned values.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var object = {};
         *
         * _.setWith(object, '[0][1]', 'a', Object);
         * // => { '0': { '1': 'a' } }
         */
        function setWith(object, path, value, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          return object == null ? object : baseSet(object, path, value, customizer);
        }

        /**
         * Creates an array of own enumerable string keyed-value pairs for `object`
         * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
         * entries are returned.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @alias entries
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the key-value pairs.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.toPairs(new Foo);
         * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
         */
        var toPairs = createToPairs(keys);

        /**
         * Creates an array of own and inherited enumerable string keyed-value pairs
         * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
         * or set, its entries are returned.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @alias entriesIn
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the key-value pairs.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.toPairsIn(new Foo);
         * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
         */
        var toPairsIn = createToPairs(keysIn);

        /**
         * An alternative to `_.reduce`; this method transforms `object` to a new
         * `accumulator` object which is the result of running each of its own
         * enumerable string keyed properties thru `iteratee`, with each invocation
         * potentially mutating the `accumulator` object. If `accumulator` is not
         * provided, a new object with the same `[[Prototype]]` will be used. The
         * iteratee is invoked with four arguments: (accumulator, value, key, object).
         * Iteratee functions may exit iteration early by explicitly returning `false`.
         *
         * @static
         * @memberOf _
         * @since 1.3.0
         * @category Object
         * @param {Object} object The object to iterate over.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @param {*} [accumulator] The custom accumulator value.
         * @returns {*} Returns the accumulated value.
         * @example
         *
         * _.transform([2, 3, 4], function(result, n) {
         *   result.push(n *= n);
         *   return n % 2 == 0;
         * }, []);
         * // => [4, 9]
         *
         * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
         *   (result[value] || (result[value] = [])).push(key);
         * }, {});
         * // => { '1': ['a', 'c'], '2': ['b'] }
         */
        function transform(object, iteratee, accumulator) {
          var isArr = isArray(object),
              isArrLike = isArr || isBuffer(object) || isTypedArray(object);

          iteratee = getIteratee(iteratee, 4);
          if (accumulator == null) {
            var Ctor = object && object.constructor;
            if (isArrLike) {
              accumulator = isArr ? new Ctor : [];
            }
            else if (isObject(object)) {
              accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
            }
            else {
              accumulator = {};
            }
          }
          (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
            return iteratee(accumulator, value, index, object);
          });
          return accumulator;
        }

        /**
         * Removes the property at `path` of `object`.
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Object
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to unset.
         * @returns {boolean} Returns `true` if the property is deleted, else `false`.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 7 } }] };
         * _.unset(object, 'a[0].b.c');
         * // => true
         *
         * console.log(object);
         * // => { 'a': [{ 'b': {} }] };
         *
         * _.unset(object, ['a', '0', 'b', 'c']);
         * // => true
         *
         * console.log(object);
         * // => { 'a': [{ 'b': {} }] };
         */
        function unset(object, path) {
          return object == null ? true : baseUnset(object, path);
        }

        /**
         * This method is like `_.set` except that accepts `updater` to produce the
         * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
         * is invoked with one argument: (value).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.6.0
         * @category Object
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to set.
         * @param {Function} updater The function to produce the updated value.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var object = { 'a': [{ 'b': { 'c': 3 } }] };
         *
         * _.update(object, 'a[0].b.c', function(n) { return n * n; });
         * console.log(object.a[0].b.c);
         * // => 9
         *
         * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
         * console.log(object.x[0].y.z);
         * // => 0
         */
        function update(object, path, updater) {
          return object == null ? object : baseUpdate(object, path, castFunction(updater));
        }

        /**
         * This method is like `_.update` except that it accepts `customizer` which is
         * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
         * path creation is handled by the method instead. The `customizer` is invoked
         * with three arguments: (nsValue, key, nsObject).
         *
         * **Note:** This method mutates `object`.
         *
         * @static
         * @memberOf _
         * @since 4.6.0
         * @category Object
         * @param {Object} object The object to modify.
         * @param {Array|string} path The path of the property to set.
         * @param {Function} updater The function to produce the updated value.
         * @param {Function} [customizer] The function to customize assigned values.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var object = {};
         *
         * _.updateWith(object, '[0][1]', _.constant('a'), Object);
         * // => { '0': { '1': 'a' } }
         */
        function updateWith(object, path, updater, customizer) {
          customizer = typeof customizer == 'function' ? customizer : undefined$1;
          return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
        }

        /**
         * Creates an array of the own enumerable string keyed property values of `object`.
         *
         * **Note:** Non-object values are coerced to objects.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property values.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.values(new Foo);
         * // => [1, 2] (iteration order is not guaranteed)
         *
         * _.values('hi');
         * // => ['h', 'i']
         */
        function values(object) {
          return object == null ? [] : baseValues(object, keys(object));
        }

        /**
         * Creates an array of the own and inherited enumerable string keyed property
         * values of `object`.
         *
         * **Note:** Non-object values are coerced to objects.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Object
         * @param {Object} object The object to query.
         * @returns {Array} Returns the array of property values.
         * @example
         *
         * function Foo() {
         *   this.a = 1;
         *   this.b = 2;
         * }
         *
         * Foo.prototype.c = 3;
         *
         * _.valuesIn(new Foo);
         * // => [1, 2, 3] (iteration order is not guaranteed)
         */
        function valuesIn(object) {
          return object == null ? [] : baseValues(object, keysIn(object));
        }

        /*------------------------------------------------------------------------*/

        /**
         * Clamps `number` within the inclusive `lower` and `upper` bounds.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Number
         * @param {number} number The number to clamp.
         * @param {number} [lower] The lower bound.
         * @param {number} upper The upper bound.
         * @returns {number} Returns the clamped number.
         * @example
         *
         * _.clamp(-10, -5, 5);
         * // => -5
         *
         * _.clamp(10, -5, 5);
         * // => 5
         */
        function clamp(number, lower, upper) {
          if (upper === undefined$1) {
            upper = lower;
            lower = undefined$1;
          }
          if (upper !== undefined$1) {
            upper = toNumber(upper);
            upper = upper === upper ? upper : 0;
          }
          if (lower !== undefined$1) {
            lower = toNumber(lower);
            lower = lower === lower ? lower : 0;
          }
          return baseClamp(toNumber(number), lower, upper);
        }

        /**
         * Checks if `n` is between `start` and up to, but not including, `end`. If
         * `end` is not specified, it's set to `start` with `start` then set to `0`.
         * If `start` is greater than `end` the params are swapped to support
         * negative ranges.
         *
         * @static
         * @memberOf _
         * @since 3.3.0
         * @category Number
         * @param {number} number The number to check.
         * @param {number} [start=0] The start of the range.
         * @param {number} end The end of the range.
         * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
         * @see _.range, _.rangeRight
         * @example
         *
         * _.inRange(3, 2, 4);
         * // => true
         *
         * _.inRange(4, 8);
         * // => true
         *
         * _.inRange(4, 2);
         * // => false
         *
         * _.inRange(2, 2);
         * // => false
         *
         * _.inRange(1.2, 2);
         * // => true
         *
         * _.inRange(5.2, 4);
         * // => false
         *
         * _.inRange(-3, -2, -6);
         * // => true
         */
        function inRange(number, start, end) {
          start = toFinite(start);
          if (end === undefined$1) {
            end = start;
            start = 0;
          } else {
            end = toFinite(end);
          }
          number = toNumber(number);
          return baseInRange(number, start, end);
        }

        /**
         * Produces a random number between the inclusive `lower` and `upper` bounds.
         * If only one argument is provided a number between `0` and the given number
         * is returned. If `floating` is `true`, or either `lower` or `upper` are
         * floats, a floating-point number is returned instead of an integer.
         *
         * **Note:** JavaScript follows the IEEE-754 standard for resolving
         * floating-point values which can produce unexpected results.
         *
         * @static
         * @memberOf _
         * @since 0.7.0
         * @category Number
         * @param {number} [lower=0] The lower bound.
         * @param {number} [upper=1] The upper bound.
         * @param {boolean} [floating] Specify returning a floating-point number.
         * @returns {number} Returns the random number.
         * @example
         *
         * _.random(0, 5);
         * // => an integer between 0 and 5
         *
         * _.random(5);
         * // => also an integer between 0 and 5
         *
         * _.random(5, true);
         * // => a floating-point number between 0 and 5
         *
         * _.random(1.2, 5.2);
         * // => a floating-point number between 1.2 and 5.2
         */
        function random(lower, upper, floating) {
          if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
            upper = floating = undefined$1;
          }
          if (floating === undefined$1) {
            if (typeof upper == 'boolean') {
              floating = upper;
              upper = undefined$1;
            }
            else if (typeof lower == 'boolean') {
              floating = lower;
              lower = undefined$1;
            }
          }
          if (lower === undefined$1 && upper === undefined$1) {
            lower = 0;
            upper = 1;
          }
          else {
            lower = toFinite(lower);
            if (upper === undefined$1) {
              upper = lower;
              lower = 0;
            } else {
              upper = toFinite(upper);
            }
          }
          if (lower > upper) {
            var temp = lower;
            lower = upper;
            upper = temp;
          }
          if (floating || lower % 1 || upper % 1) {
            var rand = nativeRandom();
            return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
          }
          return baseRandom(lower, upper);
        }

        /*------------------------------------------------------------------------*/

        /**
         * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the camel cased string.
         * @example
         *
         * _.camelCase('Foo Bar');
         * // => 'fooBar'
         *
         * _.camelCase('--foo-bar--');
         * // => 'fooBar'
         *
         * _.camelCase('__FOO_BAR__');
         * // => 'fooBar'
         */
        var camelCase = createCompounder(function(result, word, index) {
          word = word.toLowerCase();
          return result + (index ? capitalize(word) : word);
        });

        /**
         * Converts the first character of `string` to upper case and the remaining
         * to lower case.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to capitalize.
         * @returns {string} Returns the capitalized string.
         * @example
         *
         * _.capitalize('FRED');
         * // => 'Fred'
         */
        function capitalize(string) {
          return upperFirst(toString(string).toLowerCase());
        }

        /**
         * Deburrs `string` by converting
         * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
         * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
         * letters to basic Latin letters and removing
         * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to deburr.
         * @returns {string} Returns the deburred string.
         * @example
         *
         * _.deburr('déjà vu');
         * // => 'deja vu'
         */
        function deburr(string) {
          string = toString(string);
          return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
        }

        /**
         * Checks if `string` ends with the given target string.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to inspect.
         * @param {string} [target] The string to search for.
         * @param {number} [position=string.length] The position to search up to.
         * @returns {boolean} Returns `true` if `string` ends with `target`,
         *  else `false`.
         * @example
         *
         * _.endsWith('abc', 'c');
         * // => true
         *
         * _.endsWith('abc', 'b');
         * // => false
         *
         * _.endsWith('abc', 'b', 2);
         * // => true
         */
        function endsWith(string, target, position) {
          string = toString(string);
          target = baseToString(target);

          var length = string.length;
          position = position === undefined$1
            ? length
            : baseClamp(toInteger(position), 0, length);

          var end = position;
          position -= target.length;
          return position >= 0 && string.slice(position, end) == target;
        }

        /**
         * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
         * corresponding HTML entities.
         *
         * **Note:** No other characters are escaped. To escape additional
         * characters use a third-party library like [_he_](https://mths.be/he).
         *
         * Though the ">" character is escaped for symmetry, characters like
         * ">" and "/" don't need escaping in HTML and have no special meaning
         * unless they're part of a tag or unquoted attribute value. See
         * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
         * (under "semi-related fun fact") for more details.
         *
         * When working with HTML you should always
         * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
         * XSS vectors.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category String
         * @param {string} [string=''] The string to escape.
         * @returns {string} Returns the escaped string.
         * @example
         *
         * _.escape('fred, barney, & pebbles');
         * // => 'fred, barney, &amp; pebbles'
         */
        function escape(string) {
          string = toString(string);
          return (string && reHasUnescapedHtml.test(string))
            ? string.replace(reUnescapedHtml, escapeHtmlChar)
            : string;
        }

        /**
         * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
         * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to escape.
         * @returns {string} Returns the escaped string.
         * @example
         *
         * _.escapeRegExp('[lodash](https://lodash.com/)');
         * // => '\[lodash\]\(https://lodash\.com/\)'
         */
        function escapeRegExp(string) {
          string = toString(string);
          return (string && reHasRegExpChar.test(string))
            ? string.replace(reRegExpChar, '\\$&')
            : string;
        }

        /**
         * Converts `string` to
         * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the kebab cased string.
         * @example
         *
         * _.kebabCase('Foo Bar');
         * // => 'foo-bar'
         *
         * _.kebabCase('fooBar');
         * // => 'foo-bar'
         *
         * _.kebabCase('__FOO_BAR__');
         * // => 'foo-bar'
         */
        var kebabCase = createCompounder(function(result, word, index) {
          return result + (index ? '-' : '') + word.toLowerCase();
        });

        /**
         * Converts `string`, as space separated words, to lower case.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the lower cased string.
         * @example
         *
         * _.lowerCase('--Foo-Bar--');
         * // => 'foo bar'
         *
         * _.lowerCase('fooBar');
         * // => 'foo bar'
         *
         * _.lowerCase('__FOO_BAR__');
         * // => 'foo bar'
         */
        var lowerCase = createCompounder(function(result, word, index) {
          return result + (index ? ' ' : '') + word.toLowerCase();
        });

        /**
         * Converts the first character of `string` to lower case.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the converted string.
         * @example
         *
         * _.lowerFirst('Fred');
         * // => 'fred'
         *
         * _.lowerFirst('FRED');
         * // => 'fRED'
         */
        var lowerFirst = createCaseFirst('toLowerCase');

        /**
         * Pads `string` on the left and right sides if it's shorter than `length`.
         * Padding characters are truncated if they can't be evenly divided by `length`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to pad.
         * @param {number} [length=0] The padding length.
         * @param {string} [chars=' '] The string used as padding.
         * @returns {string} Returns the padded string.
         * @example
         *
         * _.pad('abc', 8);
         * // => '  abc   '
         *
         * _.pad('abc', 8, '_-');
         * // => '_-abc_-_'
         *
         * _.pad('abc', 3);
         * // => 'abc'
         */
        function pad(string, length, chars) {
          string = toString(string);
          length = toInteger(length);

          var strLength = length ? stringSize(string) : 0;
          if (!length || strLength >= length) {
            return string;
          }
          var mid = (length - strLength) / 2;
          return (
            createPadding(nativeFloor(mid), chars) +
            string +
            createPadding(nativeCeil(mid), chars)
          );
        }

        /**
         * Pads `string` on the right side if it's shorter than `length`. Padding
         * characters are truncated if they exceed `length`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to pad.
         * @param {number} [length=0] The padding length.
         * @param {string} [chars=' '] The string used as padding.
         * @returns {string} Returns the padded string.
         * @example
         *
         * _.padEnd('abc', 6);
         * // => 'abc   '
         *
         * _.padEnd('abc', 6, '_-');
         * // => 'abc_-_'
         *
         * _.padEnd('abc', 3);
         * // => 'abc'
         */
        function padEnd(string, length, chars) {
          string = toString(string);
          length = toInteger(length);

          var strLength = length ? stringSize(string) : 0;
          return (length && strLength < length)
            ? (string + createPadding(length - strLength, chars))
            : string;
        }

        /**
         * Pads `string` on the left side if it's shorter than `length`. Padding
         * characters are truncated if they exceed `length`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to pad.
         * @param {number} [length=0] The padding length.
         * @param {string} [chars=' '] The string used as padding.
         * @returns {string} Returns the padded string.
         * @example
         *
         * _.padStart('abc', 6);
         * // => '   abc'
         *
         * _.padStart('abc', 6, '_-');
         * // => '_-_abc'
         *
         * _.padStart('abc', 3);
         * // => 'abc'
         */
        function padStart(string, length, chars) {
          string = toString(string);
          length = toInteger(length);

          var strLength = length ? stringSize(string) : 0;
          return (length && strLength < length)
            ? (createPadding(length - strLength, chars) + string)
            : string;
        }

        /**
         * Converts `string` to an integer of the specified radix. If `radix` is
         * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
         * hexadecimal, in which case a `radix` of `16` is used.
         *
         * **Note:** This method aligns with the
         * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
         *
         * @static
         * @memberOf _
         * @since 1.1.0
         * @category String
         * @param {string} string The string to convert.
         * @param {number} [radix=10] The radix to interpret `value` by.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {number} Returns the converted integer.
         * @example
         *
         * _.parseInt('08');
         * // => 8
         *
         * _.map(['6', '08', '10'], _.parseInt);
         * // => [6, 8, 10]
         */
        function parseInt(string, radix, guard) {
          if (guard || radix == null) {
            radix = 0;
          } else if (radix) {
            radix = +radix;
          }
          return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
        }

        /**
         * Repeats the given string `n` times.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to repeat.
         * @param {number} [n=1] The number of times to repeat the string.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {string} Returns the repeated string.
         * @example
         *
         * _.repeat('*', 3);
         * // => '***'
         *
         * _.repeat('abc', 2);
         * // => 'abcabc'
         *
         * _.repeat('abc', 0);
         * // => ''
         */
        function repeat(string, n, guard) {
          if ((guard ? isIterateeCall(string, n, guard) : n === undefined$1)) {
            n = 1;
          } else {
            n = toInteger(n);
          }
          return baseRepeat(toString(string), n);
        }

        /**
         * Replaces matches for `pattern` in `string` with `replacement`.
         *
         * **Note:** This method is based on
         * [`String#replace`](https://mdn.io/String/replace).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to modify.
         * @param {RegExp|string} pattern The pattern to replace.
         * @param {Function|string} replacement The match replacement.
         * @returns {string} Returns the modified string.
         * @example
         *
         * _.replace('Hi Fred', 'Fred', 'Barney');
         * // => 'Hi Barney'
         */
        function replace() {
          var args = arguments,
              string = toString(args[0]);

          return args.length < 3 ? string : string.replace(args[1], args[2]);
        }

        /**
         * Converts `string` to
         * [snake case](https://en.wikipedia.org/wiki/Snake_case).
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the snake cased string.
         * @example
         *
         * _.snakeCase('Foo Bar');
         * // => 'foo_bar'
         *
         * _.snakeCase('fooBar');
         * // => 'foo_bar'
         *
         * _.snakeCase('--FOO-BAR--');
         * // => 'foo_bar'
         */
        var snakeCase = createCompounder(function(result, word, index) {
          return result + (index ? '_' : '') + word.toLowerCase();
        });

        /**
         * Splits `string` by `separator`.
         *
         * **Note:** This method is based on
         * [`String#split`](https://mdn.io/String/split).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to split.
         * @param {RegExp|string} separator The separator pattern to split by.
         * @param {number} [limit] The length to truncate results to.
         * @returns {Array} Returns the string segments.
         * @example
         *
         * _.split('a-b-c', '-', 2);
         * // => ['a', 'b']
         */
        function split(string, separator, limit) {
          if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
            separator = limit = undefined$1;
          }
          limit = limit === undefined$1 ? MAX_ARRAY_LENGTH : limit >>> 0;
          if (!limit) {
            return [];
          }
          string = toString(string);
          if (string && (
                typeof separator == 'string' ||
                (separator != null && !isRegExp(separator))
              )) {
            separator = baseToString(separator);
            if (!separator && hasUnicode(string)) {
              return castSlice(stringToArray(string), 0, limit);
            }
          }
          return string.split(separator, limit);
        }

        /**
         * Converts `string` to
         * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
         *
         * @static
         * @memberOf _
         * @since 3.1.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the start cased string.
         * @example
         *
         * _.startCase('--foo-bar--');
         * // => 'Foo Bar'
         *
         * _.startCase('fooBar');
         * // => 'Foo Bar'
         *
         * _.startCase('__FOO_BAR__');
         * // => 'FOO BAR'
         */
        var startCase = createCompounder(function(result, word, index) {
          return result + (index ? ' ' : '') + upperFirst(word);
        });

        /**
         * Checks if `string` starts with the given target string.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to inspect.
         * @param {string} [target] The string to search for.
         * @param {number} [position=0] The position to search from.
         * @returns {boolean} Returns `true` if `string` starts with `target`,
         *  else `false`.
         * @example
         *
         * _.startsWith('abc', 'a');
         * // => true
         *
         * _.startsWith('abc', 'b');
         * // => false
         *
         * _.startsWith('abc', 'b', 1);
         * // => true
         */
        function startsWith(string, target, position) {
          string = toString(string);
          position = position == null
            ? 0
            : baseClamp(toInteger(position), 0, string.length);

          target = baseToString(target);
          return string.slice(position, position + target.length) == target;
        }

        /**
         * Creates a compiled template function that can interpolate data properties
         * in "interpolate" delimiters, HTML-escape interpolated data properties in
         * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
         * properties may be accessed as free variables in the template. If a setting
         * object is given, it takes precedence over `_.templateSettings` values.
         *
         * **Note:** In the development build `_.template` utilizes
         * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
         * for easier debugging.
         *
         * For more information on precompiling templates see
         * [lodash's custom builds documentation](https://lodash.com/custom-builds).
         *
         * For more information on Chrome extension sandboxes see
         * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category String
         * @param {string} [string=''] The template string.
         * @param {Object} [options={}] The options object.
         * @param {RegExp} [options.escape=_.templateSettings.escape]
         *  The HTML "escape" delimiter.
         * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
         *  The "evaluate" delimiter.
         * @param {Object} [options.imports=_.templateSettings.imports]
         *  An object to import into the template as free variables.
         * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
         *  The "interpolate" delimiter.
         * @param {string} [options.sourceURL='lodash.templateSources[n]']
         *  The sourceURL of the compiled template.
         * @param {string} [options.variable='obj']
         *  The data object variable name.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Function} Returns the compiled template function.
         * @example
         *
         * // Use the "interpolate" delimiter to create a compiled template.
         * var compiled = _.template('hello <%= user %>!');
         * compiled({ 'user': 'fred' });
         * // => 'hello fred!'
         *
         * // Use the HTML "escape" delimiter to escape data property values.
         * var compiled = _.template('<b><%- value %></b>');
         * compiled({ 'value': '<script>' });
         * // => '<b>&lt;script&gt;</b>'
         *
         * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
         * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
         * compiled({ 'users': ['fred', 'barney'] });
         * // => '<li>fred</li><li>barney</li>'
         *
         * // Use the internal `print` function in "evaluate" delimiters.
         * var compiled = _.template('<% print("hello " + user); %>!');
         * compiled({ 'user': 'barney' });
         * // => 'hello barney!'
         *
         * // Use the ES template literal delimiter as an "interpolate" delimiter.
         * // Disable support by replacing the "interpolate" delimiter.
         * var compiled = _.template('hello ${ user }!');
         * compiled({ 'user': 'pebbles' });
         * // => 'hello pebbles!'
         *
         * // Use backslashes to treat delimiters as plain text.
         * var compiled = _.template('<%= "\\<%- value %\\>" %>');
         * compiled({ 'value': 'ignored' });
         * // => '<%- value %>'
         *
         * // Use the `imports` option to import `jQuery` as `jq`.
         * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
         * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
         * compiled({ 'users': ['fred', 'barney'] });
         * // => '<li>fred</li><li>barney</li>'
         *
         * // Use the `sourceURL` option to specify a custom sourceURL for the template.
         * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
         * compiled(data);
         * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
         *
         * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
         * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
         * compiled.source;
         * // => function(data) {
         * //   var __t, __p = '';
         * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
         * //   return __p;
         * // }
         *
         * // Use custom template delimiters.
         * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
         * var compiled = _.template('hello {{ user }}!');
         * compiled({ 'user': 'mustache' });
         * // => 'hello mustache!'
         *
         * // Use the `source` property to inline compiled templates for meaningful
         * // line numbers in error messages and stack traces.
         * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
         *   var JST = {\
         *     "main": ' + _.template(mainText).source + '\
         *   };\
         * ');
         */
        function template(string, options, guard) {
          // Based on John Resig's `tmpl` implementation
          // (http://ejohn.org/blog/javascript-micro-templating/)
          // and Laura Doktorova's doT.js (https://github.com/olado/doT).
          var settings = lodash.templateSettings;

          if (guard && isIterateeCall(string, options, guard)) {
            options = undefined$1;
          }
          string = toString(string);
          options = assignInWith({}, options, settings, customDefaultsAssignIn);

          var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
              importsKeys = keys(imports),
              importsValues = baseValues(imports, importsKeys);

          var isEscaping,
              isEvaluating,
              index = 0,
              interpolate = options.interpolate || reNoMatch,
              source = "__p += '";

          // Compile the regexp to match each delimiter.
          var reDelimiters = RegExp(
            (options.escape || reNoMatch).source + '|' +
            interpolate.source + '|' +
            (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
            (options.evaluate || reNoMatch).source + '|$'
          , 'g');

          // Use a sourceURL for easier debugging.
          // The sourceURL gets injected into the source that's eval-ed, so be careful
          // with lookup (in case of e.g. prototype pollution), and strip newlines if any.
          // A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.
          var sourceURL = '//# sourceURL=' +
            (hasOwnProperty.call(options, 'sourceURL')
              ? (options.sourceURL + '').replace(/[\r\n]/g, ' ')
              : ('lodash.templateSources[' + (++templateCounter) + ']')
            ) + '\n';

          string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
            interpolateValue || (interpolateValue = esTemplateValue);

            // Escape characters that can't be included in string literals.
            source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);

            // Replace delimiters with snippets.
            if (escapeValue) {
              isEscaping = true;
              source += "' +\n__e(" + escapeValue + ") +\n'";
            }
            if (evaluateValue) {
              isEvaluating = true;
              source += "';\n" + evaluateValue + ";\n__p += '";
            }
            if (interpolateValue) {
              source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
            }
            index = offset + match.length;

            // The JS engine embedded in Adobe products needs `match` returned in
            // order to produce the correct `offset` value.
            return match;
          });

          source += "';\n";

          // If `variable` is not specified wrap a with-statement around the generated
          // code to add the data object to the top of the scope chain.
          // Like with sourceURL, we take care to not check the option's prototype,
          // as this configuration is a code injection vector.
          var variable = hasOwnProperty.call(options, 'variable') && options.variable;
          if (!variable) {
            source = 'with (obj) {\n' + source + '\n}\n';
          }
          // Cleanup code by stripping empty strings.
          source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
            .replace(reEmptyStringMiddle, '$1')
            .replace(reEmptyStringTrailing, '$1;');

          // Frame code as the function body.
          source = 'function(' + (variable || 'obj') + ') {\n' +
            (variable
              ? ''
              : 'obj || (obj = {});\n'
            ) +
            "var __t, __p = ''" +
            (isEscaping
               ? ', __e = _.escape'
               : ''
            ) +
            (isEvaluating
              ? ', __j = Array.prototype.join;\n' +
                "function print() { __p += __j.call(arguments, '') }\n"
              : ';\n'
            ) +
            source +
            'return __p\n}';

          var result = attempt(function() {
            return Function(importsKeys, sourceURL + 'return ' + source)
              .apply(undefined$1, importsValues);
          });

          // Provide the compiled function's source by its `toString` method or
          // the `source` property as a convenience for inlining compiled templates.
          result.source = source;
          if (isError(result)) {
            throw result;
          }
          return result;
        }

        /**
         * Converts `string`, as a whole, to lower case just like
         * [String#toLowerCase](https://mdn.io/toLowerCase).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the lower cased string.
         * @example
         *
         * _.toLower('--Foo-Bar--');
         * // => '--foo-bar--'
         *
         * _.toLower('fooBar');
         * // => 'foobar'
         *
         * _.toLower('__FOO_BAR__');
         * // => '__foo_bar__'
         */
        function toLower(value) {
          return toString(value).toLowerCase();
        }

        /**
         * Converts `string`, as a whole, to upper case just like
         * [String#toUpperCase](https://mdn.io/toUpperCase).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the upper cased string.
         * @example
         *
         * _.toUpper('--foo-bar--');
         * // => '--FOO-BAR--'
         *
         * _.toUpper('fooBar');
         * // => 'FOOBAR'
         *
         * _.toUpper('__foo_bar__');
         * // => '__FOO_BAR__'
         */
        function toUpper(value) {
          return toString(value).toUpperCase();
        }

        /**
         * Removes leading and trailing whitespace or specified characters from `string`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to trim.
         * @param {string} [chars=whitespace] The characters to trim.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {string} Returns the trimmed string.
         * @example
         *
         * _.trim('  abc  ');
         * // => 'abc'
         *
         * _.trim('-_-abc-_-', '_-');
         * // => 'abc'
         *
         * _.map(['  foo  ', '  bar  '], _.trim);
         * // => ['foo', 'bar']
         */
        function trim(string, chars, guard) {
          string = toString(string);
          if (string && (guard || chars === undefined$1)) {
            return string.replace(reTrim, '');
          }
          if (!string || !(chars = baseToString(chars))) {
            return string;
          }
          var strSymbols = stringToArray(string),
              chrSymbols = stringToArray(chars),
              start = charsStartIndex(strSymbols, chrSymbols),
              end = charsEndIndex(strSymbols, chrSymbols) + 1;

          return castSlice(strSymbols, start, end).join('');
        }

        /**
         * Removes trailing whitespace or specified characters from `string`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to trim.
         * @param {string} [chars=whitespace] The characters to trim.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {string} Returns the trimmed string.
         * @example
         *
         * _.trimEnd('  abc  ');
         * // => '  abc'
         *
         * _.trimEnd('-_-abc-_-', '_-');
         * // => '-_-abc'
         */
        function trimEnd(string, chars, guard) {
          string = toString(string);
          if (string && (guard || chars === undefined$1)) {
            return string.replace(reTrimEnd, '');
          }
          if (!string || !(chars = baseToString(chars))) {
            return string;
          }
          var strSymbols = stringToArray(string),
              end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;

          return castSlice(strSymbols, 0, end).join('');
        }

        /**
         * Removes leading whitespace or specified characters from `string`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to trim.
         * @param {string} [chars=whitespace] The characters to trim.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {string} Returns the trimmed string.
         * @example
         *
         * _.trimStart('  abc  ');
         * // => 'abc  '
         *
         * _.trimStart('-_-abc-_-', '_-');
         * // => 'abc-_-'
         */
        function trimStart(string, chars, guard) {
          string = toString(string);
          if (string && (guard || chars === undefined$1)) {
            return string.replace(reTrimStart, '');
          }
          if (!string || !(chars = baseToString(chars))) {
            return string;
          }
          var strSymbols = stringToArray(string),
              start = charsStartIndex(strSymbols, stringToArray(chars));

          return castSlice(strSymbols, start).join('');
        }

        /**
         * Truncates `string` if it's longer than the given maximum string length.
         * The last characters of the truncated string are replaced with the omission
         * string which defaults to "...".
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to truncate.
         * @param {Object} [options={}] The options object.
         * @param {number} [options.length=30] The maximum string length.
         * @param {string} [options.omission='...'] The string to indicate text is omitted.
         * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
         * @returns {string} Returns the truncated string.
         * @example
         *
         * _.truncate('hi-diddly-ho there, neighborino');
         * // => 'hi-diddly-ho there, neighbo...'
         *
         * _.truncate('hi-diddly-ho there, neighborino', {
         *   'length': 24,
         *   'separator': ' '
         * });
         * // => 'hi-diddly-ho there,...'
         *
         * _.truncate('hi-diddly-ho there, neighborino', {
         *   'length': 24,
         *   'separator': /,? +/
         * });
         * // => 'hi-diddly-ho there...'
         *
         * _.truncate('hi-diddly-ho there, neighborino', {
         *   'omission': ' [...]'
         * });
         * // => 'hi-diddly-ho there, neig [...]'
         */
        function truncate(string, options) {
          var length = DEFAULT_TRUNC_LENGTH,
              omission = DEFAULT_TRUNC_OMISSION;

          if (isObject(options)) {
            var separator = 'separator' in options ? options.separator : separator;
            length = 'length' in options ? toInteger(options.length) : length;
            omission = 'omission' in options ? baseToString(options.omission) : omission;
          }
          string = toString(string);

          var strLength = string.length;
          if (hasUnicode(string)) {
            var strSymbols = stringToArray(string);
            strLength = strSymbols.length;
          }
          if (length >= strLength) {
            return string;
          }
          var end = length - stringSize(omission);
          if (end < 1) {
            return omission;
          }
          var result = strSymbols
            ? castSlice(strSymbols, 0, end).join('')
            : string.slice(0, end);

          if (separator === undefined$1) {
            return result + omission;
          }
          if (strSymbols) {
            end += (result.length - end);
          }
          if (isRegExp(separator)) {
            if (string.slice(end).search(separator)) {
              var match,
                  substring = result;

              if (!separator.global) {
                separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
              }
              separator.lastIndex = 0;
              while ((match = separator.exec(substring))) {
                var newEnd = match.index;
              }
              result = result.slice(0, newEnd === undefined$1 ? end : newEnd);
            }
          } else if (string.indexOf(baseToString(separator), end) != end) {
            var index = result.lastIndexOf(separator);
            if (index > -1) {
              result = result.slice(0, index);
            }
          }
          return result + omission;
        }

        /**
         * The inverse of `_.escape`; this method converts the HTML entities
         * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
         * their corresponding characters.
         *
         * **Note:** No other HTML entities are unescaped. To unescape additional
         * HTML entities use a third-party library like [_he_](https://mths.be/he).
         *
         * @static
         * @memberOf _
         * @since 0.6.0
         * @category String
         * @param {string} [string=''] The string to unescape.
         * @returns {string} Returns the unescaped string.
         * @example
         *
         * _.unescape('fred, barney, &amp; pebbles');
         * // => 'fred, barney, & pebbles'
         */
        function unescape(string) {
          string = toString(string);
          return (string && reHasEscapedHtml.test(string))
            ? string.replace(reEscapedHtml, unescapeHtmlChar)
            : string;
        }

        /**
         * Converts `string`, as space separated words, to upper case.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the upper cased string.
         * @example
         *
         * _.upperCase('--foo-bar');
         * // => 'FOO BAR'
         *
         * _.upperCase('fooBar');
         * // => 'FOO BAR'
         *
         * _.upperCase('__foo_bar__');
         * // => 'FOO BAR'
         */
        var upperCase = createCompounder(function(result, word, index) {
          return result + (index ? ' ' : '') + word.toUpperCase();
        });

        /**
         * Converts the first character of `string` to upper case.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category String
         * @param {string} [string=''] The string to convert.
         * @returns {string} Returns the converted string.
         * @example
         *
         * _.upperFirst('fred');
         * // => 'Fred'
         *
         * _.upperFirst('FRED');
         * // => 'FRED'
         */
        var upperFirst = createCaseFirst('toUpperCase');

        /**
         * Splits `string` into an array of its words.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category String
         * @param {string} [string=''] The string to inspect.
         * @param {RegExp|string} [pattern] The pattern to match words.
         * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
         * @returns {Array} Returns the words of `string`.
         * @example
         *
         * _.words('fred, barney, & pebbles');
         * // => ['fred', 'barney', 'pebbles']
         *
         * _.words('fred, barney, & pebbles', /[^, ]+/g);
         * // => ['fred', 'barney', '&', 'pebbles']
         */
        function words(string, pattern, guard) {
          string = toString(string);
          pattern = guard ? undefined$1 : pattern;

          if (pattern === undefined$1) {
            return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
          }
          return string.match(pattern) || [];
        }

        /*------------------------------------------------------------------------*/

        /**
         * Attempts to invoke `func`, returning either the result or the caught error
         * object. Any additional arguments are provided to `func` when it's invoked.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Util
         * @param {Function} func The function to attempt.
         * @param {...*} [args] The arguments to invoke `func` with.
         * @returns {*} Returns the `func` result or error object.
         * @example
         *
         * // Avoid throwing errors for invalid selectors.
         * var elements = _.attempt(function(selector) {
         *   return document.querySelectorAll(selector);
         * }, '>_>');
         *
         * if (_.isError(elements)) {
         *   elements = [];
         * }
         */
        var attempt = baseRest(function(func, args) {
          try {
            return apply(func, undefined$1, args);
          } catch (e) {
            return isError(e) ? e : new Error(e);
          }
        });

        /**
         * Binds methods of an object to the object itself, overwriting the existing
         * method.
         *
         * **Note:** This method doesn't set the "length" property of bound functions.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {Object} object The object to bind and assign the bound methods to.
         * @param {...(string|string[])} methodNames The object method names to bind.
         * @returns {Object} Returns `object`.
         * @example
         *
         * var view = {
         *   'label': 'docs',
         *   'click': function() {
         *     console.log('clicked ' + this.label);
         *   }
         * };
         *
         * _.bindAll(view, ['click']);
         * jQuery(element).on('click', view.click);
         * // => Logs 'clicked docs' when clicked.
         */
        var bindAll = flatRest(function(object, methodNames) {
          arrayEach(methodNames, function(key) {
            key = toKey(key);
            baseAssignValue(object, key, bind(object[key], object));
          });
          return object;
        });

        /**
         * Creates a function that iterates over `pairs` and invokes the corresponding
         * function of the first predicate to return truthy. The predicate-function
         * pairs are invoked with the `this` binding and arguments of the created
         * function.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {Array} pairs The predicate-function pairs.
         * @returns {Function} Returns the new composite function.
         * @example
         *
         * var func = _.cond([
         *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
         *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
         *   [_.stubTrue,                      _.constant('no match')]
         * ]);
         *
         * func({ 'a': 1, 'b': 2 });
         * // => 'matches A'
         *
         * func({ 'a': 0, 'b': 1 });
         * // => 'matches B'
         *
         * func({ 'a': '1', 'b': '2' });
         * // => 'no match'
         */
        function cond(pairs) {
          var length = pairs == null ? 0 : pairs.length,
              toIteratee = getIteratee();

          pairs = !length ? [] : arrayMap(pairs, function(pair) {
            if (typeof pair[1] != 'function') {
              throw new TypeError(FUNC_ERROR_TEXT);
            }
            return [toIteratee(pair[0]), pair[1]];
          });

          return baseRest(function(args) {
            var index = -1;
            while (++index < length) {
              var pair = pairs[index];
              if (apply(pair[0], this, args)) {
                return apply(pair[1], this, args);
              }
            }
          });
        }

        /**
         * Creates a function that invokes the predicate properties of `source` with
         * the corresponding property values of a given object, returning `true` if
         * all predicates return truthy, else `false`.
         *
         * **Note:** The created function is equivalent to `_.conformsTo` with
         * `source` partially applied.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {Object} source The object of property predicates to conform to.
         * @returns {Function} Returns the new spec function.
         * @example
         *
         * var objects = [
         *   { 'a': 2, 'b': 1 },
         *   { 'a': 1, 'b': 2 }
         * ];
         *
         * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
         * // => [{ 'a': 1, 'b': 2 }]
         */
        function conforms(source) {
          return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
        }

        /**
         * Creates a function that returns `value`.
         *
         * @static
         * @memberOf _
         * @since 2.4.0
         * @category Util
         * @param {*} value The value to return from the new function.
         * @returns {Function} Returns the new constant function.
         * @example
         *
         * var objects = _.times(2, _.constant({ 'a': 1 }));
         *
         * console.log(objects);
         * // => [{ 'a': 1 }, { 'a': 1 }]
         *
         * console.log(objects[0] === objects[1]);
         * // => true
         */
        function constant(value) {
          return function() {
            return value;
          };
        }

        /**
         * Checks `value` to determine whether a default value should be returned in
         * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
         * or `undefined`.
         *
         * @static
         * @memberOf _
         * @since 4.14.0
         * @category Util
         * @param {*} value The value to check.
         * @param {*} defaultValue The default value.
         * @returns {*} Returns the resolved value.
         * @example
         *
         * _.defaultTo(1, 10);
         * // => 1
         *
         * _.defaultTo(undefined, 10);
         * // => 10
         */
        function defaultTo(value, defaultValue) {
          return (value == null || value !== value) ? defaultValue : value;
        }

        /**
         * Creates a function that returns the result of invoking the given functions
         * with the `this` binding of the created function, where each successive
         * invocation is supplied the return value of the previous.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Util
         * @param {...(Function|Function[])} [funcs] The functions to invoke.
         * @returns {Function} Returns the new composite function.
         * @see _.flowRight
         * @example
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * var addSquare = _.flow([_.add, square]);
         * addSquare(1, 2);
         * // => 9
         */
        var flow = createFlow();

        /**
         * This method is like `_.flow` except that it creates a function that
         * invokes the given functions from right to left.
         *
         * @static
         * @since 3.0.0
         * @memberOf _
         * @category Util
         * @param {...(Function|Function[])} [funcs] The functions to invoke.
         * @returns {Function} Returns the new composite function.
         * @see _.flow
         * @example
         *
         * function square(n) {
         *   return n * n;
         * }
         *
         * var addSquare = _.flowRight([square, _.add]);
         * addSquare(1, 2);
         * // => 9
         */
        var flowRight = createFlow(true);

        /**
         * This method returns the first argument it receives.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {*} value Any value.
         * @returns {*} Returns `value`.
         * @example
         *
         * var object = { 'a': 1 };
         *
         * console.log(_.identity(object) === object);
         * // => true
         */
        function identity(value) {
          return value;
        }

        /**
         * Creates a function that invokes `func` with the arguments of the created
         * function. If `func` is a property name, the created function returns the
         * property value for a given element. If `func` is an array or object, the
         * created function returns `true` for elements that contain the equivalent
         * source properties, otherwise it returns `false`.
         *
         * @static
         * @since 4.0.0
         * @memberOf _
         * @category Util
         * @param {*} [func=_.identity] The value to convert to a callback.
         * @returns {Function} Returns the callback.
         * @example
         *
         * var users = [
         *   { 'user': 'barney', 'age': 36, 'active': true },
         *   { 'user': 'fred',   'age': 40, 'active': false }
         * ];
         *
         * // The `_.matches` iteratee shorthand.
         * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
         * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
         *
         * // The `_.matchesProperty` iteratee shorthand.
         * _.filter(users, _.iteratee(['user', 'fred']));
         * // => [{ 'user': 'fred', 'age': 40 }]
         *
         * // The `_.property` iteratee shorthand.
         * _.map(users, _.iteratee('user'));
         * // => ['barney', 'fred']
         *
         * // Create custom iteratee shorthands.
         * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
         *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
         *     return func.test(string);
         *   };
         * });
         *
         * _.filter(['abc', 'def'], /ef/);
         * // => ['def']
         */
        function iteratee(func) {
          return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
        }

        /**
         * Creates a function that performs a partial deep comparison between a given
         * object and `source`, returning `true` if the given object has equivalent
         * property values, else `false`.
         *
         * **Note:** The created function is equivalent to `_.isMatch` with `source`
         * partially applied.
         *
         * Partial comparisons will match empty array and empty object `source`
         * values against any array or object value, respectively. See `_.isEqual`
         * for a list of supported value comparisons.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Util
         * @param {Object} source The object of property values to match.
         * @returns {Function} Returns the new spec function.
         * @example
         *
         * var objects = [
         *   { 'a': 1, 'b': 2, 'c': 3 },
         *   { 'a': 4, 'b': 5, 'c': 6 }
         * ];
         *
         * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
         * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
         */
        function matches(source) {
          return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
        }

        /**
         * Creates a function that performs a partial deep comparison between the
         * value at `path` of a given object to `srcValue`, returning `true` if the
         * object value is equivalent, else `false`.
         *
         * **Note:** Partial comparisons will match empty array and empty object
         * `srcValue` values against any array or object value, respectively. See
         * `_.isEqual` for a list of supported value comparisons.
         *
         * @static
         * @memberOf _
         * @since 3.2.0
         * @category Util
         * @param {Array|string} path The path of the property to get.
         * @param {*} srcValue The value to match.
         * @returns {Function} Returns the new spec function.
         * @example
         *
         * var objects = [
         *   { 'a': 1, 'b': 2, 'c': 3 },
         *   { 'a': 4, 'b': 5, 'c': 6 }
         * ];
         *
         * _.find(objects, _.matchesProperty('a', 4));
         * // => { 'a': 4, 'b': 5, 'c': 6 }
         */
        function matchesProperty(path, srcValue) {
          return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
        }

        /**
         * Creates a function that invokes the method at `path` of a given object.
         * Any additional arguments are provided to the invoked method.
         *
         * @static
         * @memberOf _
         * @since 3.7.0
         * @category Util
         * @param {Array|string} path The path of the method to invoke.
         * @param {...*} [args] The arguments to invoke the method with.
         * @returns {Function} Returns the new invoker function.
         * @example
         *
         * var objects = [
         *   { 'a': { 'b': _.constant(2) } },
         *   { 'a': { 'b': _.constant(1) } }
         * ];
         *
         * _.map(objects, _.method('a.b'));
         * // => [2, 1]
         *
         * _.map(objects, _.method(['a', 'b']));
         * // => [2, 1]
         */
        var method = baseRest(function(path, args) {
          return function(object) {
            return baseInvoke(object, path, args);
          };
        });

        /**
         * The opposite of `_.method`; this method creates a function that invokes
         * the method at a given path of `object`. Any additional arguments are
         * provided to the invoked method.
         *
         * @static
         * @memberOf _
         * @since 3.7.0
         * @category Util
         * @param {Object} object The object to query.
         * @param {...*} [args] The arguments to invoke the method with.
         * @returns {Function} Returns the new invoker function.
         * @example
         *
         * var array = _.times(3, _.constant),
         *     object = { 'a': array, 'b': array, 'c': array };
         *
         * _.map(['a[2]', 'c[0]'], _.methodOf(object));
         * // => [2, 0]
         *
         * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
         * // => [2, 0]
         */
        var methodOf = baseRest(function(object, args) {
          return function(path) {
            return baseInvoke(object, path, args);
          };
        });

        /**
         * Adds all own enumerable string keyed function properties of a source
         * object to the destination object. If `object` is a function, then methods
         * are added to its prototype as well.
         *
         * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
         * avoid conflicts caused by modifying the original.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {Function|Object} [object=lodash] The destination object.
         * @param {Object} source The object of functions to add.
         * @param {Object} [options={}] The options object.
         * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
         * @returns {Function|Object} Returns `object`.
         * @example
         *
         * function vowels(string) {
         *   return _.filter(string, function(v) {
         *     return /[aeiou]/i.test(v);
         *   });
         * }
         *
         * _.mixin({ 'vowels': vowels });
         * _.vowels('fred');
         * // => ['e']
         *
         * _('fred').vowels().value();
         * // => ['e']
         *
         * _.mixin({ 'vowels': vowels }, { 'chain': false });
         * _('fred').vowels();
         * // => ['e']
         */
        function mixin(object, source, options) {
          var props = keys(source),
              methodNames = baseFunctions(source, props);

          if (options == null &&
              !(isObject(source) && (methodNames.length || !props.length))) {
            options = source;
            source = object;
            object = this;
            methodNames = baseFunctions(source, keys(source));
          }
          var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
              isFunc = isFunction(object);

          arrayEach(methodNames, function(methodName) {
            var func = source[methodName];
            object[methodName] = func;
            if (isFunc) {
              object.prototype[methodName] = function() {
                var chainAll = this.__chain__;
                if (chain || chainAll) {
                  var result = object(this.__wrapped__),
                      actions = result.__actions__ = copyArray(this.__actions__);

                  actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
                  result.__chain__ = chainAll;
                  return result;
                }
                return func.apply(object, arrayPush([this.value()], arguments));
              };
            }
          });

          return object;
        }

        /**
         * Reverts the `_` variable to its previous value and returns a reference to
         * the `lodash` function.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @returns {Function} Returns the `lodash` function.
         * @example
         *
         * var lodash = _.noConflict();
         */
        function noConflict() {
          if (root._ === this) {
            root._ = oldDash;
          }
          return this;
        }

        /**
         * This method returns `undefined`.
         *
         * @static
         * @memberOf _
         * @since 2.3.0
         * @category Util
         * @example
         *
         * _.times(2, _.noop);
         * // => [undefined, undefined]
         */
        function noop() {
          // No operation performed.
        }

        /**
         * Creates a function that gets the argument at index `n`. If `n` is negative,
         * the nth argument from the end is returned.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {number} [n=0] The index of the argument to return.
         * @returns {Function} Returns the new pass-thru function.
         * @example
         *
         * var func = _.nthArg(1);
         * func('a', 'b', 'c', 'd');
         * // => 'b'
         *
         * var func = _.nthArg(-2);
         * func('a', 'b', 'c', 'd');
         * // => 'c'
         */
        function nthArg(n) {
          n = toInteger(n);
          return baseRest(function(args) {
            return baseNth(args, n);
          });
        }

        /**
         * Creates a function that invokes `iteratees` with the arguments it receives
         * and returns their results.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {...(Function|Function[])} [iteratees=[_.identity]]
         *  The iteratees to invoke.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var func = _.over([Math.max, Math.min]);
         *
         * func(1, 2, 3, 4);
         * // => [4, 1]
         */
        var over = createOver(arrayMap);

        /**
         * Creates a function that checks if **all** of the `predicates` return
         * truthy when invoked with the arguments it receives.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {...(Function|Function[])} [predicates=[_.identity]]
         *  The predicates to check.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var func = _.overEvery([Boolean, isFinite]);
         *
         * func('1');
         * // => true
         *
         * func(null);
         * // => false
         *
         * func(NaN);
         * // => false
         */
        var overEvery = createOver(arrayEvery);

        /**
         * Creates a function that checks if **any** of the `predicates` return
         * truthy when invoked with the arguments it receives.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {...(Function|Function[])} [predicates=[_.identity]]
         *  The predicates to check.
         * @returns {Function} Returns the new function.
         * @example
         *
         * var func = _.overSome([Boolean, isFinite]);
         *
         * func('1');
         * // => true
         *
         * func(null);
         * // => true
         *
         * func(NaN);
         * // => false
         */
        var overSome = createOver(arraySome);

        /**
         * Creates a function that returns the value at `path` of a given object.
         *
         * @static
         * @memberOf _
         * @since 2.4.0
         * @category Util
         * @param {Array|string} path The path of the property to get.
         * @returns {Function} Returns the new accessor function.
         * @example
         *
         * var objects = [
         *   { 'a': { 'b': 2 } },
         *   { 'a': { 'b': 1 } }
         * ];
         *
         * _.map(objects, _.property('a.b'));
         * // => [2, 1]
         *
         * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
         * // => [1, 2]
         */
        function property(path) {
          return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
        }

        /**
         * The opposite of `_.property`; this method creates a function that returns
         * the value at a given path of `object`.
         *
         * @static
         * @memberOf _
         * @since 3.0.0
         * @category Util
         * @param {Object} object The object to query.
         * @returns {Function} Returns the new accessor function.
         * @example
         *
         * var array = [0, 1, 2],
         *     object = { 'a': array, 'b': array, 'c': array };
         *
         * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
         * // => [2, 0]
         *
         * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
         * // => [2, 0]
         */
        function propertyOf(object) {
          return function(path) {
            return object == null ? undefined$1 : baseGet(object, path);
          };
        }

        /**
         * Creates an array of numbers (positive and/or negative) progressing from
         * `start` up to, but not including, `end`. A step of `-1` is used if a negative
         * `start` is specified without an `end` or `step`. If `end` is not specified,
         * it's set to `start` with `start` then set to `0`.
         *
         * **Note:** JavaScript follows the IEEE-754 standard for resolving
         * floating-point values which can produce unexpected results.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {number} [start=0] The start of the range.
         * @param {number} end The end of the range.
         * @param {number} [step=1] The value to increment or decrement by.
         * @returns {Array} Returns the range of numbers.
         * @see _.inRange, _.rangeRight
         * @example
         *
         * _.range(4);
         * // => [0, 1, 2, 3]
         *
         * _.range(-4);
         * // => [0, -1, -2, -3]
         *
         * _.range(1, 5);
         * // => [1, 2, 3, 4]
         *
         * _.range(0, 20, 5);
         * // => [0, 5, 10, 15]
         *
         * _.range(0, -4, -1);
         * // => [0, -1, -2, -3]
         *
         * _.range(1, 4, 0);
         * // => [1, 1, 1]
         *
         * _.range(0);
         * // => []
         */
        var range = createRange();

        /**
         * This method is like `_.range` except that it populates values in
         * descending order.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {number} [start=0] The start of the range.
         * @param {number} end The end of the range.
         * @param {number} [step=1] The value to increment or decrement by.
         * @returns {Array} Returns the range of numbers.
         * @see _.inRange, _.range
         * @example
         *
         * _.rangeRight(4);
         * // => [3, 2, 1, 0]
         *
         * _.rangeRight(-4);
         * // => [-3, -2, -1, 0]
         *
         * _.rangeRight(1, 5);
         * // => [4, 3, 2, 1]
         *
         * _.rangeRight(0, 20, 5);
         * // => [15, 10, 5, 0]
         *
         * _.rangeRight(0, -4, -1);
         * // => [-3, -2, -1, 0]
         *
         * _.rangeRight(1, 4, 0);
         * // => [1, 1, 1]
         *
         * _.rangeRight(0);
         * // => []
         */
        var rangeRight = createRange(true);

        /**
         * This method returns a new empty array.
         *
         * @static
         * @memberOf _
         * @since 4.13.0
         * @category Util
         * @returns {Array} Returns the new empty array.
         * @example
         *
         * var arrays = _.times(2, _.stubArray);
         *
         * console.log(arrays);
         * // => [[], []]
         *
         * console.log(arrays[0] === arrays[1]);
         * // => false
         */
        function stubArray() {
          return [];
        }

        /**
         * This method returns `false`.
         *
         * @static
         * @memberOf _
         * @since 4.13.0
         * @category Util
         * @returns {boolean} Returns `false`.
         * @example
         *
         * _.times(2, _.stubFalse);
         * // => [false, false]
         */
        function stubFalse() {
          return false;
        }

        /**
         * This method returns a new empty object.
         *
         * @static
         * @memberOf _
         * @since 4.13.0
         * @category Util
         * @returns {Object} Returns the new empty object.
         * @example
         *
         * var objects = _.times(2, _.stubObject);
         *
         * console.log(objects);
         * // => [{}, {}]
         *
         * console.log(objects[0] === objects[1]);
         * // => false
         */
        function stubObject() {
          return {};
        }

        /**
         * This method returns an empty string.
         *
         * @static
         * @memberOf _
         * @since 4.13.0
         * @category Util
         * @returns {string} Returns the empty string.
         * @example
         *
         * _.times(2, _.stubString);
         * // => ['', '']
         */
        function stubString() {
          return '';
        }

        /**
         * This method returns `true`.
         *
         * @static
         * @memberOf _
         * @since 4.13.0
         * @category Util
         * @returns {boolean} Returns `true`.
         * @example
         *
         * _.times(2, _.stubTrue);
         * // => [true, true]
         */
        function stubTrue() {
          return true;
        }

        /**
         * Invokes the iteratee `n` times, returning an array of the results of
         * each invocation. The iteratee is invoked with one argument; (index).
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {number} n The number of times to invoke `iteratee`.
         * @param {Function} [iteratee=_.identity] The function invoked per iteration.
         * @returns {Array} Returns the array of results.
         * @example
         *
         * _.times(3, String);
         * // => ['0', '1', '2']
         *
         *  _.times(4, _.constant(0));
         * // => [0, 0, 0, 0]
         */
        function times(n, iteratee) {
          n = toInteger(n);
          if (n < 1 || n > MAX_SAFE_INTEGER) {
            return [];
          }
          var index = MAX_ARRAY_LENGTH,
              length = nativeMin(n, MAX_ARRAY_LENGTH);

          iteratee = getIteratee(iteratee);
          n -= MAX_ARRAY_LENGTH;

          var result = baseTimes(length, iteratee);
          while (++index < n) {
            iteratee(index);
          }
          return result;
        }

        /**
         * Converts `value` to a property path array.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Util
         * @param {*} value The value to convert.
         * @returns {Array} Returns the new property path array.
         * @example
         *
         * _.toPath('a.b.c');
         * // => ['a', 'b', 'c']
         *
         * _.toPath('a[0].b.c');
         * // => ['a', '0', 'b', 'c']
         */
        function toPath(value) {
          if (isArray(value)) {
            return arrayMap(value, toKey);
          }
          return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
        }

        /**
         * Generates a unique ID. If `prefix` is given, the ID is appended to it.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Util
         * @param {string} [prefix=''] The value to prefix the ID with.
         * @returns {string} Returns the unique ID.
         * @example
         *
         * _.uniqueId('contact_');
         * // => 'contact_104'
         *
         * _.uniqueId();
         * // => '105'
         */
        function uniqueId(prefix) {
          var id = ++idCounter;
          return toString(prefix) + id;
        }

        /*------------------------------------------------------------------------*/

        /**
         * Adds two numbers.
         *
         * @static
         * @memberOf _
         * @since 3.4.0
         * @category Math
         * @param {number} augend The first number in an addition.
         * @param {number} addend The second number in an addition.
         * @returns {number} Returns the total.
         * @example
         *
         * _.add(6, 4);
         * // => 10
         */
        var add = createMathOperation(function(augend, addend) {
          return augend + addend;
        }, 0);

        /**
         * Computes `number` rounded up to `precision`.
         *
         * @static
         * @memberOf _
         * @since 3.10.0
         * @category Math
         * @param {number} number The number to round up.
         * @param {number} [precision=0] The precision to round up to.
         * @returns {number} Returns the rounded up number.
         * @example
         *
         * _.ceil(4.006);
         * // => 5
         *
         * _.ceil(6.004, 2);
         * // => 6.01
         *
         * _.ceil(6040, -2);
         * // => 6100
         */
        var ceil = createRound('ceil');

        /**
         * Divide two numbers.
         *
         * @static
         * @memberOf _
         * @since 4.7.0
         * @category Math
         * @param {number} dividend The first number in a division.
         * @param {number} divisor The second number in a division.
         * @returns {number} Returns the quotient.
         * @example
         *
         * _.divide(6, 4);
         * // => 1.5
         */
        var divide = createMathOperation(function(dividend, divisor) {
          return dividend / divisor;
        }, 1);

        /**
         * Computes `number` rounded down to `precision`.
         *
         * @static
         * @memberOf _
         * @since 3.10.0
         * @category Math
         * @param {number} number The number to round down.
         * @param {number} [precision=0] The precision to round down to.
         * @returns {number} Returns the rounded down number.
         * @example
         *
         * _.floor(4.006);
         * // => 4
         *
         * _.floor(0.046, 2);
         * // => 0.04
         *
         * _.floor(4060, -2);
         * // => 4000
         */
        var floor = createRound('floor');

        /**
         * Computes the maximum value of `array`. If `array` is empty or falsey,
         * `undefined` is returned.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Math
         * @param {Array} array The array to iterate over.
         * @returns {*} Returns the maximum value.
         * @example
         *
         * _.max([4, 2, 8, 6]);
         * // => 8
         *
         * _.max([]);
         * // => undefined
         */
        function max(array) {
          return (array && array.length)
            ? baseExtremum(array, identity, baseGt)
            : undefined$1;
        }

        /**
         * This method is like `_.max` except that it accepts `iteratee` which is
         * invoked for each element in `array` to generate the criterion by which
         * the value is ranked. The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {*} Returns the maximum value.
         * @example
         *
         * var objects = [{ 'n': 1 }, { 'n': 2 }];
         *
         * _.maxBy(objects, function(o) { return o.n; });
         * // => { 'n': 2 }
         *
         * // The `_.property` iteratee shorthand.
         * _.maxBy(objects, 'n');
         * // => { 'n': 2 }
         */
        function maxBy(array, iteratee) {
          return (array && array.length)
            ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
            : undefined$1;
        }

        /**
         * Computes the mean of the values in `array`.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @returns {number} Returns the mean.
         * @example
         *
         * _.mean([4, 2, 8, 6]);
         * // => 5
         */
        function mean(array) {
          return baseMean(array, identity);
        }

        /**
         * This method is like `_.mean` except that it accepts `iteratee` which is
         * invoked for each element in `array` to generate the value to be averaged.
         * The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.7.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {number} Returns the mean.
         * @example
         *
         * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
         *
         * _.meanBy(objects, function(o) { return o.n; });
         * // => 5
         *
         * // The `_.property` iteratee shorthand.
         * _.meanBy(objects, 'n');
         * // => 5
         */
        function meanBy(array, iteratee) {
          return baseMean(array, getIteratee(iteratee, 2));
        }

        /**
         * Computes the minimum value of `array`. If `array` is empty or falsey,
         * `undefined` is returned.
         *
         * @static
         * @since 0.1.0
         * @memberOf _
         * @category Math
         * @param {Array} array The array to iterate over.
         * @returns {*} Returns the minimum value.
         * @example
         *
         * _.min([4, 2, 8, 6]);
         * // => 2
         *
         * _.min([]);
         * // => undefined
         */
        function min(array) {
          return (array && array.length)
            ? baseExtremum(array, identity, baseLt)
            : undefined$1;
        }

        /**
         * This method is like `_.min` except that it accepts `iteratee` which is
         * invoked for each element in `array` to generate the criterion by which
         * the value is ranked. The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {*} Returns the minimum value.
         * @example
         *
         * var objects = [{ 'n': 1 }, { 'n': 2 }];
         *
         * _.minBy(objects, function(o) { return o.n; });
         * // => { 'n': 1 }
         *
         * // The `_.property` iteratee shorthand.
         * _.minBy(objects, 'n');
         * // => { 'n': 1 }
         */
        function minBy(array, iteratee) {
          return (array && array.length)
            ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
            : undefined$1;
        }

        /**
         * Multiply two numbers.
         *
         * @static
         * @memberOf _
         * @since 4.7.0
         * @category Math
         * @param {number} multiplier The first number in a multiplication.
         * @param {number} multiplicand The second number in a multiplication.
         * @returns {number} Returns the product.
         * @example
         *
         * _.multiply(6, 4);
         * // => 24
         */
        var multiply = createMathOperation(function(multiplier, multiplicand) {
          return multiplier * multiplicand;
        }, 1);

        /**
         * Computes `number` rounded to `precision`.
         *
         * @static
         * @memberOf _
         * @since 3.10.0
         * @category Math
         * @param {number} number The number to round.
         * @param {number} [precision=0] The precision to round to.
         * @returns {number} Returns the rounded number.
         * @example
         *
         * _.round(4.006);
         * // => 4
         *
         * _.round(4.006, 2);
         * // => 4.01
         *
         * _.round(4060, -2);
         * // => 4100
         */
        var round = createRound('round');

        /**
         * Subtract two numbers.
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Math
         * @param {number} minuend The first number in a subtraction.
         * @param {number} subtrahend The second number in a subtraction.
         * @returns {number} Returns the difference.
         * @example
         *
         * _.subtract(6, 4);
         * // => 2
         */
        var subtract = createMathOperation(function(minuend, subtrahend) {
          return minuend - subtrahend;
        }, 0);

        /**
         * Computes the sum of the values in `array`.
         *
         * @static
         * @memberOf _
         * @since 3.4.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @returns {number} Returns the sum.
         * @example
         *
         * _.sum([4, 2, 8, 6]);
         * // => 20
         */
        function sum(array) {
          return (array && array.length)
            ? baseSum(array, identity)
            : 0;
        }

        /**
         * This method is like `_.sum` except that it accepts `iteratee` which is
         * invoked for each element in `array` to generate the value to be summed.
         * The iteratee is invoked with one argument: (value).
         *
         * @static
         * @memberOf _
         * @since 4.0.0
         * @category Math
         * @param {Array} array The array to iterate over.
         * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
         * @returns {number} Returns the sum.
         * @example
         *
         * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
         *
         * _.sumBy(objects, function(o) { return o.n; });
         * // => 20
         *
         * // The `_.property` iteratee shorthand.
         * _.sumBy(objects, 'n');
         * // => 20
         */
        function sumBy(array, iteratee) {
          return (array && array.length)
            ? baseSum(array, getIteratee(iteratee, 2))
            : 0;
        }

        /*------------------------------------------------------------------------*/

        // Add methods that return wrapped values in chain sequences.
        lodash.after = after;
        lodash.ary = ary;
        lodash.assign = assign;
        lodash.assignIn = assignIn;
        lodash.assignInWith = assignInWith;
        lodash.assignWith = assignWith;
        lodash.at = at;
        lodash.before = before;
        lodash.bind = bind;
        lodash.bindAll = bindAll;
        lodash.bindKey = bindKey;
        lodash.castArray = castArray;
        lodash.chain = chain;
        lodash.chunk = chunk;
        lodash.compact = compact;
        lodash.concat = concat;
        lodash.cond = cond;
        lodash.conforms = conforms;
        lodash.constant = constant;
        lodash.countBy = countBy;
        lodash.create = create;
        lodash.curry = curry;
        lodash.curryRight = curryRight;
        lodash.debounce = debounce;
        lodash.defaults = defaults;
        lodash.defaultsDeep = defaultsDeep;
        lodash.defer = defer;
        lodash.delay = delay;
        lodash.difference = difference;
        lodash.differenceBy = differenceBy;
        lodash.differenceWith = differenceWith;
        lodash.drop = drop;
        lodash.dropRight = dropRight;
        lodash.dropRightWhile = dropRightWhile;
        lodash.dropWhile = dropWhile;
        lodash.fill = fill;
        lodash.filter = filter;
        lodash.flatMap = flatMap;
        lodash.flatMapDeep = flatMapDeep;
        lodash.flatMapDepth = flatMapDepth;
        lodash.flatten = flatten;
        lodash.flattenDeep = flattenDeep;
        lodash.flattenDepth = flattenDepth;
        lodash.flip = flip;
        lodash.flow = flow;
        lodash.flowRight = flowRight;
        lodash.fromPairs = fromPairs;
        lodash.functions = functions;
        lodash.functionsIn = functionsIn;
        lodash.groupBy = groupBy;
        lodash.initial = initial;
        lodash.intersection = intersection;
        lodash.intersectionBy = intersectionBy;
        lodash.intersectionWith = intersectionWith;
        lodash.invert = invert;
        lodash.invertBy = invertBy;
        lodash.invokeMap = invokeMap;
        lodash.iteratee = iteratee;
        lodash.keyBy = keyBy;
        lodash.keys = keys;
        lodash.keysIn = keysIn;
        lodash.map = map;
        lodash.mapKeys = mapKeys;
        lodash.mapValues = mapValues;
        lodash.matches = matches;
        lodash.matchesProperty = matchesProperty;
        lodash.memoize = memoize;
        lodash.merge = merge;
        lodash.mergeWith = mergeWith;
        lodash.method = method;
        lodash.methodOf = methodOf;
        lodash.mixin = mixin;
        lodash.negate = negate;
        lodash.nthArg = nthArg;
        lodash.omit = omit;
        lodash.omitBy = omitBy;
        lodash.once = once;
        lodash.orderBy = orderBy;
        lodash.over = over;
        lodash.overArgs = overArgs;
        lodash.overEvery = overEvery;
        lodash.overSome = overSome;
        lodash.partial = partial;
        lodash.partialRight = partialRight;
        lodash.partition = partition;
        lodash.pick = pick;
        lodash.pickBy = pickBy;
        lodash.property = property;
        lodash.propertyOf = propertyOf;
        lodash.pull = pull;
        lodash.pullAll = pullAll;
        lodash.pullAllBy = pullAllBy;
        lodash.pullAllWith = pullAllWith;
        lodash.pullAt = pullAt;
        lodash.range = range;
        lodash.rangeRight = rangeRight;
        lodash.rearg = rearg;
        lodash.reject = reject;
        lodash.remove = remove;
        lodash.rest = rest;
        lodash.reverse = reverse;
        lodash.sampleSize = sampleSize;
        lodash.set = set;
        lodash.setWith = setWith;
        lodash.shuffle = shuffle;
        lodash.slice = slice;
        lodash.sortBy = sortBy;
        lodash.sortedUniq = sortedUniq;
        lodash.sortedUniqBy = sortedUniqBy;
        lodash.split = split;
        lodash.spread = spread;
        lodash.tail = tail;
        lodash.take = take;
        lodash.takeRight = takeRight;
        lodash.takeRightWhile = takeRightWhile;
        lodash.takeWhile = takeWhile;
        lodash.tap = tap;
        lodash.throttle = throttle;
        lodash.thru = thru;
        lodash.toArray = toArray;
        lodash.toPairs = toPairs;
        lodash.toPairsIn = toPairsIn;
        lodash.toPath = toPath;
        lodash.toPlainObject = toPlainObject;
        lodash.transform = transform;
        lodash.unary = unary;
        lodash.union = union;
        lodash.unionBy = unionBy;
        lodash.unionWith = unionWith;
        lodash.uniq = uniq;
        lodash.uniqBy = uniqBy;
        lodash.uniqWith = uniqWith;
        lodash.unset = unset;
        lodash.unzip = unzip;
        lodash.unzipWith = unzipWith;
        lodash.update = update;
        lodash.updateWith = updateWith;
        lodash.values = values;
        lodash.valuesIn = valuesIn;
        lodash.without = without;
        lodash.words = words;
        lodash.wrap = wrap;
        lodash.xor = xor;
        lodash.xorBy = xorBy;
        lodash.xorWith = xorWith;
        lodash.zip = zip;
        lodash.zipObject = zipObject;
        lodash.zipObjectDeep = zipObjectDeep;
        lodash.zipWith = zipWith;

        // Add aliases.
        lodash.entries = toPairs;
        lodash.entriesIn = toPairsIn;
        lodash.extend = assignIn;
        lodash.extendWith = assignInWith;

        // Add methods to `lodash.prototype`.
        mixin(lodash, lodash);

        /*------------------------------------------------------------------------*/

        // Add methods that return unwrapped values in chain sequences.
        lodash.add = add;
        lodash.attempt = attempt;
        lodash.camelCase = camelCase;
        lodash.capitalize = capitalize;
        lodash.ceil = ceil;
        lodash.clamp = clamp;
        lodash.clone = clone;
        lodash.cloneDeep = cloneDeep;
        lodash.cloneDeepWith = cloneDeepWith;
        lodash.cloneWith = cloneWith;
        lodash.conformsTo = conformsTo;
        lodash.deburr = deburr;
        lodash.defaultTo = defaultTo;
        lodash.divide = divide;
        lodash.endsWith = endsWith;
        lodash.eq = eq;
        lodash.escape = escape;
        lodash.escapeRegExp = escapeRegExp;
        lodash.every = every;
        lodash.find = find;
        lodash.findIndex = findIndex;
        lodash.findKey = findKey;
        lodash.findLast = findLast;
        lodash.findLastIndex = findLastIndex;
        lodash.findLastKey = findLastKey;
        lodash.floor = floor;
        lodash.forEach = forEach;
        lodash.forEachRight = forEachRight;
        lodash.forIn = forIn;
        lodash.forInRight = forInRight;
        lodash.forOwn = forOwn;
        lodash.forOwnRight = forOwnRight;
        lodash.get = get;
        lodash.gt = gt;
        lodash.gte = gte;
        lodash.has = has;
        lodash.hasIn = hasIn;
        lodash.head = head;
        lodash.identity = identity;
        lodash.includes = includes;
        lodash.indexOf = indexOf;
        lodash.inRange = inRange;
        lodash.invoke = invoke;
        lodash.isArguments = isArguments;
        lodash.isArray = isArray;
        lodash.isArrayBuffer = isArrayBuffer;
        lodash.isArrayLike = isArrayLike;
        lodash.isArrayLikeObject = isArrayLikeObject;
        lodash.isBoolean = isBoolean;
        lodash.isBuffer = isBuffer;
        lodash.isDate = isDate;
        lodash.isElement = isElement;
        lodash.isEmpty = isEmpty;
        lodash.isEqual = isEqual;
        lodash.isEqualWith = isEqualWith;
        lodash.isError = isError;
        lodash.isFinite = isFinite;
        lodash.isFunction = isFunction;
        lodash.isInteger = isInteger;
        lodash.isLength = isLength;
        lodash.isMap = isMap;
        lodash.isMatch = isMatch;
        lodash.isMatchWith = isMatchWith;
        lodash.isNaN = isNaN;
        lodash.isNative = isNative;
        lodash.isNil = isNil;
        lodash.isNull = isNull;
        lodash.isNumber = isNumber;
        lodash.isObject = isObject;
        lodash.isObjectLike = isObjectLike;
        lodash.isPlainObject = isPlainObject;
        lodash.isRegExp = isRegExp;
        lodash.isSafeInteger = isSafeInteger;
        lodash.isSet = isSet;
        lodash.isString = isString;
        lodash.isSymbol = isSymbol;
        lodash.isTypedArray = isTypedArray;
        lodash.isUndefined = isUndefined;
        lodash.isWeakMap = isWeakMap;
        lodash.isWeakSet = isWeakSet;
        lodash.join = join;
        lodash.kebabCase = kebabCase;
        lodash.last = last;
        lodash.lastIndexOf = lastIndexOf;
        lodash.lowerCase = lowerCase;
        lodash.lowerFirst = lowerFirst;
        lodash.lt = lt;
        lodash.lte = lte;
        lodash.max = max;
        lodash.maxBy = maxBy;
        lodash.mean = mean;
        lodash.meanBy = meanBy;
        lodash.min = min;
        lodash.minBy = minBy;
        lodash.stubArray = stubArray;
        lodash.stubFalse = stubFalse;
        lodash.stubObject = stubObject;
        lodash.stubString = stubString;
        lodash.stubTrue = stubTrue;
        lodash.multiply = multiply;
        lodash.nth = nth;
        lodash.noConflict = noConflict;
        lodash.noop = noop;
        lodash.now = now;
        lodash.pad = pad;
        lodash.padEnd = padEnd;
        lodash.padStart = padStart;
        lodash.parseInt = parseInt;
        lodash.random = random;
        lodash.reduce = reduce;
        lodash.reduceRight = reduceRight;
        lodash.repeat = repeat;
        lodash.replace = replace;
        lodash.result = result;
        lodash.round = round;
        lodash.runInContext = runInContext;
        lodash.sample = sample;
        lodash.size = size;
        lodash.snakeCase = snakeCase;
        lodash.some = some;
        lodash.sortedIndex = sortedIndex;
        lodash.sortedIndexBy = sortedIndexBy;
        lodash.sortedIndexOf = sortedIndexOf;
        lodash.sortedLastIndex = sortedLastIndex;
        lodash.sortedLastIndexBy = sortedLastIndexBy;
        lodash.sortedLastIndexOf = sortedLastIndexOf;
        lodash.startCase = startCase;
        lodash.startsWith = startsWith;
        lodash.subtract = subtract;
        lodash.sum = sum;
        lodash.sumBy = sumBy;
        lodash.template = template;
        lodash.times = times;
        lodash.toFinite = toFinite;
        lodash.toInteger = toInteger;
        lodash.toLength = toLength;
        lodash.toLower = toLower;
        lodash.toNumber = toNumber;
        lodash.toSafeInteger = toSafeInteger;
        lodash.toString = toString;
        lodash.toUpper = toUpper;
        lodash.trim = trim;
        lodash.trimEnd = trimEnd;
        lodash.trimStart = trimStart;
        lodash.truncate = truncate;
        lodash.unescape = unescape;
        lodash.uniqueId = uniqueId;
        lodash.upperCase = upperCase;
        lodash.upperFirst = upperFirst;

        // Add aliases.
        lodash.each = forEach;
        lodash.eachRight = forEachRight;
        lodash.first = head;

        mixin(lodash, (function() {
          var source = {};
          baseForOwn(lodash, function(func, methodName) {
            if (!hasOwnProperty.call(lodash.prototype, methodName)) {
              source[methodName] = func;
            }
          });
          return source;
        }()), { 'chain': false });

        /*------------------------------------------------------------------------*/

        /**
         * The semantic version number.
         *
         * @static
         * @memberOf _
         * @type {string}
         */
        lodash.VERSION = VERSION;

        // Assign default placeholders.
        arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
          lodash[methodName].placeholder = lodash;
        });

        // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
        arrayEach(['drop', 'take'], function(methodName, index) {
          LazyWrapper.prototype[methodName] = function(n) {
            n = n === undefined$1 ? 1 : nativeMax(toInteger(n), 0);

            var result = (this.__filtered__ && !index)
              ? new LazyWrapper(this)
              : this.clone();

            if (result.__filtered__) {
              result.__takeCount__ = nativeMin(n, result.__takeCount__);
            } else {
              result.__views__.push({
                'size': nativeMin(n, MAX_ARRAY_LENGTH),
                'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
              });
            }
            return result;
          };

          LazyWrapper.prototype[methodName + 'Right'] = function(n) {
            return this.reverse()[methodName](n).reverse();
          };
        });

        // Add `LazyWrapper` methods that accept an `iteratee` value.
        arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
          var type = index + 1,
              isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;

          LazyWrapper.prototype[methodName] = function(iteratee) {
            var result = this.clone();
            result.__iteratees__.push({
              'iteratee': getIteratee(iteratee, 3),
              'type': type
            });
            result.__filtered__ = result.__filtered__ || isFilter;
            return result;
          };
        });

        // Add `LazyWrapper` methods for `_.head` and `_.last`.
        arrayEach(['head', 'last'], function(methodName, index) {
          var takeName = 'take' + (index ? 'Right' : '');

          LazyWrapper.prototype[methodName] = function() {
            return this[takeName](1).value()[0];
          };
        });

        // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
        arrayEach(['initial', 'tail'], function(methodName, index) {
          var dropName = 'drop' + (index ? '' : 'Right');

          LazyWrapper.prototype[methodName] = function() {
            return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
          };
        });

        LazyWrapper.prototype.compact = function() {
          return this.filter(identity);
        };

        LazyWrapper.prototype.find = function(predicate) {
          return this.filter(predicate).head();
        };

        LazyWrapper.prototype.findLast = function(predicate) {
          return this.reverse().find(predicate);
        };

        LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
          if (typeof path == 'function') {
            return new LazyWrapper(this);
          }
          return this.map(function(value) {
            return baseInvoke(value, path, args);
          });
        });

        LazyWrapper.prototype.reject = function(predicate) {
          return this.filter(negate(getIteratee(predicate)));
        };

        LazyWrapper.prototype.slice = function(start, end) {
          start = toInteger(start);

          var result = this;
          if (result.__filtered__ && (start > 0 || end < 0)) {
            return new LazyWrapper(result);
          }
          if (start < 0) {
            result = result.takeRight(-start);
          } else if (start) {
            result = result.drop(start);
          }
          if (end !== undefined$1) {
            end = toInteger(end);
            result = end < 0 ? result.dropRight(-end) : result.take(end - start);
          }
          return result;
        };

        LazyWrapper.prototype.takeRightWhile = function(predicate) {
          return this.reverse().takeWhile(predicate).reverse();
        };

        LazyWrapper.prototype.toArray = function() {
          return this.take(MAX_ARRAY_LENGTH);
        };

        // Add `LazyWrapper` methods to `lodash.prototype`.
        baseForOwn(LazyWrapper.prototype, function(func, methodName) {
          var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
              isTaker = /^(?:head|last)$/.test(methodName),
              lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
              retUnwrapped = isTaker || /^find/.test(methodName);

          if (!lodashFunc) {
            return;
          }
          lodash.prototype[methodName] = function() {
            var value = this.__wrapped__,
                args = isTaker ? [1] : arguments,
                isLazy = value instanceof LazyWrapper,
                iteratee = args[0],
                useLazy = isLazy || isArray(value);

            var interceptor = function(value) {
              var result = lodashFunc.apply(lodash, arrayPush([value], args));
              return (isTaker && chainAll) ? result[0] : result;
            };

            if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
              // Avoid lazy use if the iteratee has a "length" value other than `1`.
              isLazy = useLazy = false;
            }
            var chainAll = this.__chain__,
                isHybrid = !!this.__actions__.length,
                isUnwrapped = retUnwrapped && !chainAll,
                onlyLazy = isLazy && !isHybrid;

            if (!retUnwrapped && useLazy) {
              value = onlyLazy ? value : new LazyWrapper(this);
              var result = func.apply(value, args);
              result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined$1 });
              return new LodashWrapper(result, chainAll);
            }
            if (isUnwrapped && onlyLazy) {
              return func.apply(this, args);
            }
            result = this.thru(interceptor);
            return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
          };
        });

        // Add `Array` methods to `lodash.prototype`.
        arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
          var func = arrayProto[methodName],
              chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
              retUnwrapped = /^(?:pop|shift)$/.test(methodName);

          lodash.prototype[methodName] = function() {
            var args = arguments;
            if (retUnwrapped && !this.__chain__) {
              var value = this.value();
              return func.apply(isArray(value) ? value : [], args);
            }
            return this[chainName](function(value) {
              return func.apply(isArray(value) ? value : [], args);
            });
          };
        });

        // Map minified method names to their real names.
        baseForOwn(LazyWrapper.prototype, function(func, methodName) {
          var lodashFunc = lodash[methodName];
          if (lodashFunc) {
            var key = lodashFunc.name + '';
            if (!hasOwnProperty.call(realNames, key)) {
              realNames[key] = [];
            }
            realNames[key].push({ 'name': methodName, 'func': lodashFunc });
          }
        });

        realNames[createHybrid(undefined$1, WRAP_BIND_KEY_FLAG).name] = [{
          'name': 'wrapper',
          'func': undefined$1
        }];

        // Add methods to `LazyWrapper`.
        LazyWrapper.prototype.clone = lazyClone;
        LazyWrapper.prototype.reverse = lazyReverse;
        LazyWrapper.prototype.value = lazyValue;

        // Add chain sequence methods to the `lodash` wrapper.
        lodash.prototype.at = wrapperAt;
        lodash.prototype.chain = wrapperChain;
        lodash.prototype.commit = wrapperCommit;
        lodash.prototype.next = wrapperNext;
        lodash.prototype.plant = wrapperPlant;
        lodash.prototype.reverse = wrapperReverse;
        lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;

        // Add lazy aliases.
        lodash.prototype.first = lodash.prototype.head;

        if (symIterator) {
          lodash.prototype[symIterator] = wrapperToIterator;
        }
        return lodash;
      });

      /*--------------------------------------------------------------------------*/

      // Export lodash.
      var _ = runInContext();

      // Some AMD build optimizers, like r.js, check for condition patterns like:
      if (freeModule) {
        // Export for Node.js.
        (freeModule.exports = _)._ = _;
        // Export for CommonJS support.
        freeExports._ = _;
      }
      else {
        // Export to the global object.
        root._ = _;
      }
    }.call(commonjsGlobal));
    });
    var lodash_1 = lodash.flow;
    var lodash_2 = lodash.head;
    var lodash_3 = lodash.find;
    var lodash_4 = lodash.each;
    var lodash_5 = lodash.tail;
    var lodash_6 = lodash.findIndex;
    var lodash_7 = lodash.startsWith;
    var lodash_8 = lodash.dropRight;
    var lodash_9 = lodash.takeRight;
    var lodash_10 = lodash.trim;
    var lodash_11 = lodash.split;
    var lodash_12 = lodash.replace;
    var lodash_13 = lodash.merge;
    var lodash_14 = lodash.assign;

    const commonPlus = extra => fp_6(['onBegin', 'onComplete', 'onError'])(extra);

    const common = () => commonPlus([]);

    const _events = {
      recordApi: {
        save: commonPlus([
          'onInvalid',
          'onRecordUpdated',
          'onRecordCreated']),
        delete: common(),
        getContext: common(),
        getNew: common(),
        load: common(),
        validate: common(),
        uploadFile: common(),
        downloadFile: common(),
      },
      indexApi: {
        buildIndex: common(),
        listItems: common(),
        delete: common(),
        aggregates: common(),
      },
      collectionApi: {
        getAllowedRecordTypes: common(),
        initialise: common(),
        delete: common(),
      },
      authApi: {
        authenticate: common(),
        authenticateTemporaryAccess: common(),
        createTemporaryAccess: common(),
        createUser: common(),
        enableUser: common(),
        disableUser: common(),
        loadAccessLevels: common(),
        getNewAccessLevel: common(),
        getNewUser: common(),
        getNewUserAuth: common(),
        getUsers: common(),
        saveAccessLevels: common(),
        isAuthorized: common(),
        changeMyPassword: common(),
        setPasswordFromTemporaryCode: common(),
        scorePassword: common(),
        isValidPassword: common(),
        validateUser: common(),
        validateAccessLevels: common(),
        setUserAccessLevels: common(),
      },
      templateApi: {
        saveApplicationHierarchy: common(),
        saveActionsAndTriggers: common(),
      },
      actionsApi: {
        execute: common(),
      },
    };

    const _eventsList = [];

    const makeEvent = (area, method, name) => `${area}:${method}:${name}`;

    for (const areaKey in _events) {
      for (const methodKey in _events[areaKey]) {
        _events[areaKey][methodKey] = fp_7((obj, s) => {
          obj[s] = makeEvent(areaKey, methodKey, s);
          return obj;
        },
        {})(_events[areaKey][methodKey]);
      }
    }


    for (const areaKey in _events) {
      for (const methodKey in _events[areaKey]) {
        for (const name in _events[areaKey][methodKey]) {
          _eventsList.push(
            _events[areaKey][methodKey][name],
          );
        }
      }
    }


    const events = _events;

    // Found this seed-based random generator somewhere
    // Based on The Central Randomizer 1.3 (C) 1997 by Paul Houle (houle@msc.cornell.edu)

    var seed = 1;

    /**
     * return a random number based on a seed
     * @param seed
     * @returns {number}
     */
    function getNextValue() {
        seed = (seed * 9301 + 49297) % 233280;
        return seed/(233280.0);
    }

    function setSeed(_seed_) {
        seed = _seed_;
    }

    var randomFromSeed = {
        nextValue: getNextValue,
        seed: setSeed
    };

    var ORIGINAL = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-';
    var alphabet;
    var previousSeed;

    var shuffled;

    function reset() {
        shuffled = false;
    }

    function setCharacters(_alphabet_) {
        if (!_alphabet_) {
            if (alphabet !== ORIGINAL) {
                alphabet = ORIGINAL;
                reset();
            }
            return;
        }

        if (_alphabet_ === alphabet) {
            return;
        }

        if (_alphabet_.length !== ORIGINAL.length) {
            throw new Error('Custom alphabet for shortid must be ' + ORIGINAL.length + ' unique characters. You submitted ' + _alphabet_.length + ' characters: ' + _alphabet_);
        }

        var unique = _alphabet_.split('').filter(function(item, ind, arr){
           return ind !== arr.lastIndexOf(item);
        });

        if (unique.length) {
            throw new Error('Custom alphabet for shortid must be ' + ORIGINAL.length + ' unique characters. These characters were not unique: ' + unique.join(', '));
        }

        alphabet = _alphabet_;
        reset();
    }

    function characters(_alphabet_) {
        setCharacters(_alphabet_);
        return alphabet;
    }

    function setSeed$1(seed) {
        randomFromSeed.seed(seed);
        if (previousSeed !== seed) {
            reset();
            previousSeed = seed;
        }
    }

    function shuffle() {
        if (!alphabet) {
            setCharacters(ORIGINAL);
        }

        var sourceArray = alphabet.split('');
        var targetArray = [];
        var r = randomFromSeed.nextValue();
        var characterIndex;

        while (sourceArray.length > 0) {
            r = randomFromSeed.nextValue();
            characterIndex = Math.floor(r * sourceArray.length);
            targetArray.push(sourceArray.splice(characterIndex, 1)[0]);
        }
        return targetArray.join('');
    }

    function getShuffled() {
        if (shuffled) {
            return shuffled;
        }
        shuffled = shuffle();
        return shuffled;
    }

    /**
     * lookup shuffled letter
     * @param index
     * @returns {string}
     */
    function lookup(index) {
        var alphabetShuffled = getShuffled();
        return alphabetShuffled[index];
    }

    function get () {
      return alphabet || ORIGINAL;
    }

    var alphabet_1 = {
        get: get,
        characters: characters,
        seed: setSeed$1,
        lookup: lookup,
        shuffled: getShuffled
    };

    var crypto = typeof window === 'object' && (window.crypto || window.msCrypto); // IE 11 uses window.msCrypto

    var randomByte;

    if (!crypto || !crypto.getRandomValues) {
        randomByte = function(size) {
            var bytes = [];
            for (var i = 0; i < size; i++) {
                bytes.push(Math.floor(Math.random() * 256));
            }
            return bytes;
        };
    } else {
        randomByte = function(size) {
            return crypto.getRandomValues(new Uint8Array(size));
        };
    }

    var randomByteBrowser = randomByte;

    /**
     * Secure random string generator with custom alphabet.
     *
     * Alphabet must contain 256 symbols or less. Otherwise, the generator
     * will not be secure.
     *
     * @param {generator} random The random bytes generator.
     * @param {string} alphabet Symbols to be used in new random string.
     * @param {size} size The number of symbols in new random string.
     *
     * @return {string} Random string.
     *
     * @example
     * const format = require('nanoid/format')
     *
     * function random (size) {
     *   const result = []
     *   for (let i = 0; i < size; i++) {
     *     result.push(randomByte())
     *   }
     *   return result
     * }
     *
     * format(random, "abcdef", 5) //=> "fbaef"
     *
     * @name format
     * @function
     */
    var format = function (random, alphabet, size) {
      var mask = (2 << Math.log(alphabet.length - 1) / Math.LN2) - 1;
      var step = Math.ceil(1.6 * mask * size / alphabet.length);
      size = +size;

      var id = '';
      while (true) {
        var bytes = random(step);
        for (var i = 0; i < step; i++) {
          var byte = bytes[i] & mask;
          if (alphabet[byte]) {
            id += alphabet[byte];
            if (id.length === size) return id
          }
        }
      }
    };

    function generate(number) {
        var loopCounter = 0;
        var done;

        var str = '';

        while (!done) {
            str = str + format(randomByteBrowser, alphabet_1.get(), 1);
            done = number < (Math.pow(16, loopCounter + 1 ) );
            loopCounter++;
        }
        return str;
    }

    var generate_1 = generate;

    // Ignore all milliseconds before a certain time to reduce the size of the date entropy without sacrificing uniqueness.
    // This number should be updated every year or so to keep the generated id short.
    // To regenerate `new Date() - 0` and bump the version. Always bump the version!
    var REDUCE_TIME = 1567752802062;

    // don't change unless we change the algos or REDUCE_TIME
    // must be an integer and less than 16
    var version = 7;

    // Counter is used when shortid is called multiple times in one second.
    var counter;

    // Remember the last time shortid was called in case counter is needed.
    var previousSeconds;

    /**
     * Generate unique id
     * Returns string id
     */
    function build(clusterWorkerId) {
        var str = '';

        var seconds = Math.floor((Date.now() - REDUCE_TIME) * 0.001);

        if (seconds === previousSeconds) {
            counter++;
        } else {
            counter = 0;
            previousSeconds = seconds;
        }

        str = str + generate_1(version);
        str = str + generate_1(clusterWorkerId);
        if (counter > 0) {
            str = str + generate_1(counter);
        }
        str = str + generate_1(seconds);
        return str;
    }

    var build_1 = build;

    function isShortId(id) {
        if (!id || typeof id !== 'string' || id.length < 6 ) {
            return false;
        }

        var nonAlphabetic = new RegExp('[^' +
          alphabet_1.get().replace(/[|\\{}()[\]^$+*?.-]/g, '\\$&') +
        ']');
        return !nonAlphabetic.test(id);
    }

    var isValid = isShortId;

    var lib = createCommonjsModule(function (module) {





    // if you are using cluster or multiple servers use this to make each instance
    // has a unique value for worker
    // Note: I don't know if this is automatically set when using third
    // party cluster solutions such as pm2.
    var clusterWorkerId =  0;

    /**
     * Set the seed.
     * Highly recommended if you don't want people to try to figure out your id schema.
     * exposed as shortid.seed(int)
     * @param seed Integer value to seed the random alphabet.  ALWAYS USE THE SAME SEED or you might get overlaps.
     */
    function seed(seedValue) {
        alphabet_1.seed(seedValue);
        return module.exports;
    }

    /**
     * Set the cluster worker or machine id
     * exposed as shortid.worker(int)
     * @param workerId worker must be positive integer.  Number less than 16 is recommended.
     * returns shortid module so it can be chained.
     */
    function worker(workerId) {
        clusterWorkerId = workerId;
        return module.exports;
    }

    /**
     *
     * sets new characters to use in the alphabet
     * returns the shuffled alphabet
     */
    function characters(newCharacters) {
        if (newCharacters !== undefined) {
            alphabet_1.characters(newCharacters);
        }

        return alphabet_1.shuffled();
    }

    /**
     * Generate unique id
     * Returns string id
     */
    function generate() {
      return build_1(clusterWorkerId);
    }

    // Export all other functions as properties of the generate function
    module.exports = generate;
    module.exports.generate = generate;
    module.exports.seed = seed;
    module.exports.worker = worker;
    module.exports.characters = characters;
    module.exports.isValid = isValid;
    });
    var lib_1 = lib.generate;
    var lib_2 = lib.seed;
    var lib_3 = lib.worker;
    var lib_4 = lib.characters;
    var lib_5 = lib.isValid;

    var shortid = lib;
    var shortid_1 = shortid.generate;

    class BadRequestError extends Error {
        constructor(message) {
            super(message);
            this.httpStatusCode = 400;
        }
    }

    class UnauthorisedError extends Error {
        constructor(message) {
            super(message);
            this.httpStatusCode = 401;
        }
    }

    const apiWrapperSync = (app, eventNamespace, isAuthorized, eventContext, func, ...params) => {
      pushCallStack(app, eventNamespace);

      if (!isAuthorized(app)) {
        handleNotAuthorized(app, eventContext, eventNamespace);
        return;
      }

      const startDate = Date.now();
      const elapsed = () => (Date.now() - startDate);

      try {
        app.publish(
          eventNamespace.onBegin,
          eventContext,
        );

        const result = func(...params);

        publishComplete(app, eventContext, eventNamespace, elapsed, result);
        return result;
      } catch (error) {
        publishError(app, eventContext, eventNamespace, elapsed, error);
        throw error;
      }
    };

    const handleNotAuthorized = (app, eventContext, eventNamespace) => {
      const err = new UnauthorisedError(`Unauthorized: ${eventNamespace}`);
      publishError(app, eventContext, eventNamespace, () => 0, err);
      throw err;
    };

    const pushCallStack = (app, eventNamespace, seedCallId) => {
      const callId = shortid_1();

      const createCallStack = () => ({
        seedCallId: !fp_2(seedCallId)
          ? seedCallId
          : callId,
        threadCallId: callId,
        stack: [],
      });

      if (fp_2(app.calls)) {
        app.calls = createCallStack();
      }

      app.calls.stack.push({
        namespace: eventNamespace,
        callId,
      });
    };

    const popCallStack = (app) => {
      app.calls.stack.pop();
      if (app.calls.stack.length === 0) {
        delete app.calls;
      }
    };

    const publishError = async (app, eventContext, eventNamespace, elapsed, err) => {
      const ctx = fp_9(eventContext);
      ctx.error = err;
      ctx.elapsed = elapsed();
      await app.publish(
        eventNamespace.onError,
        ctx,
      );
      popCallStack(app);
    };

    const publishComplete = async (app, eventContext, eventNamespace, elapsed, result) => {
      const endcontext = fp_9(eventContext);
      endcontext.result = result;
      endcontext.elapsed = elapsed();
      await app.publish(
        eventNamespace.onComplete,
        endcontext,
      );
      popCallStack(app);
      return result;
    };

    // this is the combinator function
    const $$ = (...funcs) => arg => lodash_1(funcs)(arg);

    // this is the pipe function
    const $ = (arg, funcs) => $$(...funcs)(arg);

    const keySep = '/';
    const trimKeySep = str => lodash_10(str, keySep);
    const splitByKeySep = str => fp_3(keySep)(str);
    const safeKey = key => lodash_12(`${keySep}${trimKeySep(key)}`, `${keySep}${keySep}`, keySep);
    const joinKey = (...strs) => {
      const paramsOrArray = strs.length === 1 & fp_11(strs[0])
        ? strs[0] : strs;
      return safeKey(fp_18(keySep)(paramsOrArray));
    };
    const splitKey = $$(trimKeySep, splitByKeySep);

    const configFolder = `${keySep}.config`;
    const fieldDefinitions = joinKey(configFolder, 'fields.json');
    const templateDefinitions = joinKey(configFolder, 'templates.json');
    const appDefinitionFile = joinKey(configFolder, 'appDefinition.json');

    const not = func => val => !func(val);
    const isDefined = not(fp_2);
    const isNonNull = not(fp_29);
    const isNotNaN = not(fp_36);

    const allTrue = (...funcArgs) => val => fp_7(
      (result, conditionFunc) => (fp_29(result) || result == true) && conditionFunc(val),
      null)(funcArgs);

    const isSomething = allTrue(isDefined, isNonNull, isNotNaN);
    const isNothing = not(isSomething);

    const none = predicate => collection => !fp_10(predicate)(collection);

    const all = predicate => collection => none(v => !predicate(v))(collection);

    const isNotEmpty = ob => !fp_16(ob);
    const isNonEmptyString = allTrue(fp_27, isNotEmpty);
    const tryOr = failFunc => (func, ...args) => {
      try {
        return func.apply(null, ...args);
      } catch (_) {
        return failFunc();
      }
    };
    const causesException = (func) => {
      try {
        func();
        return false;
      } catch (e) {
        return true;
      }
    };

    const executesWithoutException = func => !causesException(func);

    const handleErrorWith = returnValInError => tryOr(fp_21(returnValInError));

    const handleErrorWithUndefined = handleErrorWith(undefined);

    const switchCase = (...cases) => (value) => {
      const nextCase = () => lodash_2(cases)[0](value);
      const nextResult = () => lodash_2(cases)[1](value);

      if (fp_16(cases)) return; // undefined
      if (nextCase() === true) return nextResult();
      return switchCase(...lodash_5(cases))(value);
    };
    const isOneOf = (...vals) => val => fp_19(val)(vals);
    const defaultCase = fp_21(true);

    const isSafeInteger = n => fp_37(n)
        && n <= Number.MAX_SAFE_INTEGER
        && n >= 0 - Number.MAX_SAFE_INTEGER;

    const toDateOrNull = s => (fp_29(s) ? null
      : fp_32(s) ? s : new Date(s));
    const toBoolOrNull = s => (fp_29(s) ? null
      : s === 'true' || s === true);
    const toNumberOrNull = s => (fp_29(s) ? null
      : fp_38(s));

    const isArrayOfString = opts => fp_11(opts) && all(fp_27)(opts);

    const BB_STATE_BINDINGPATH = "##bbstate";
    const BB_STATE_BINDINGSOURCE = "##bbsource";
    const BB_STATE_FALLBACK = "##bbstatefallback";

    const isBound = (prop) =>
        prop !== undefined 
        && prop[BB_STATE_BINDINGPATH] !== undefined;
        
    const takeStateFromStore = (prop) => 
        prop[BB_STATE_BINDINGSOURCE] === undefined 
        || prop[BB_STATE_BINDINGSOURCE] === "store";

    const takeStateFromContext = (prop) => 
        prop[BB_STATE_BINDINGSOURCE] === "context";

    const takeStateFromEventParameters = (prop) => 
        prop[BB_STATE_BINDINGSOURCE] === "event";

    const setState = (store, path, value) => {

        if(!path || path.length === 0) return;

        const pathParts = path.split(".");
        const safeSetPath = (obj, currentPartIndex=0) => {

            const currentKey = pathParts[currentPartIndex];

            if(pathParts.length - 1 == currentPartIndex) {
                obj[currentKey] = value;
                return;
            }

            if(obj[currentKey] === null 
              || obj[currentKey] === undefined
              || !fp_8(obj[currentKey])) {

                obj[currentKey] = {};
            }

            safeSetPath(obj[currentKey], currentPartIndex + 1);

        };

        store.update(s => {
            safeSetPath(s);
            return s;
        });
    };

    const setStateFromBinding = (store, binding, value) => 
        setState(store, binding.path, value);

    const getState = (s, path, fallback) => {

        if(!s) return fallback;
        if(!path || path.length === 0) return fallback;

        if(path === "$") return s;

        const pathParts = path.split(".");
        const safeGetPath = (obj, currentPartIndex=0) => {

            const currentKey = pathParts[currentPartIndex];

            if(pathParts.length - 1 == currentPartIndex) {
                const value = obj[currentKey];
                if(fp_2(value))
                    return fallback;
                else 
                    return value;
            }

            if(obj[currentKey] === null 
              || obj[currentKey] === undefined
              || !fp_8(obj[currentKey])) {

                return fallback;
            }

            return safeGetPath(obj[currentKey], currentPartIndex + 1);

        };


        return safeGetPath(s);
    };

    const getStateOrValue = (globalState, prop, currentContext) => {
        
        if(!prop) return prop;
        
        if(isBound(prop)) {

            const stateToUse = takeStateFromStore(prop) 
                            ? globalState
                            : currentContext;

            return getState(stateToUse, prop[BB_STATE_BINDINGPATH], prop[BB_STATE_FALLBACK]);
        }

        if(prop.path && prop.source) {
            const stateToUse = prop.source === "store" 
                            ? globalState
                            : currentContext;

            return getState(stateToUse, prop.path, prop.fallback);
        }

        return prop;
        
    };

    const ERROR = "##error_message";

    const trimSlash = (str) => str.replace(/^\/+|\/+$/g, '');

    const loadRecord = (api) => async ({recordKey, statePath}) => {

        if(!recordKey) {
            api.error("Load Record: record key not set");
            return;
        }  
        
        if(!statePath) {
            api.error("Load Record: state path not set");
            return;
        } 

        const record = await api.get({
            url:`/api/record/${trimSlash(key)}`
        });

        if(api.isSuccess(record))
            api.setState(statePath, record);
    };

    const listRecords = api => async ({indexKey, statePath}) => {
        if(!indexKey) {
            api.error("Load Record: record key not set");
            return;
        }  
        
        if(!statePath) {
            api.error("Load Record: state path not set");
            return;
        } 

        const records = await api.get({
            url:`/api/listRecords/${trimSlash(indexKey)}`
        });

        if(api.isSuccess(records))
            api.setState(statePath, records);
    };

    const USER_STATE_PATH = "_bbuser";

    const authenticate = (api) => async ({username, password}) => {

        if(!username) {
            api.error("Authenticate: username not set");
            return;
        }  
        
        if(!password) {
            api.error("Authenticate: password not set");
            return;
        } 

        const user = await api.post({
            url:"/api/authenticate",
            body : {username, password}
        });

        // set user even if error - so it is defined at least
        api.setState(USER_STATE_PATH, user);
        localStorage.setItem("budibase:user", JSON.stringify(user));
    };

    const saveRecord = (api) => async ({statePath}) => {
        
        if(!statePath) {
            api.error("Load Record: state path not set");
            return;
        } 

        const recordtoSave = api.getState(statePath);

        if(!recordtoSave) {
            api.error(`there is no record in state: ${statePath}`);
            return;
        }

        if(!recordtoSave.key) {
            api.error(`item in state does not appear to be a record - it has no key (${statePath})`);
            return;
        }

        const savedRecord = await api.post({
            url:`/api/record/${trimSlash(recordtoSave.key)}`,
            body: recordtoSave
        });

        if(api.isSuccess(savedRecord))
            api.setState(statePath, savedRecord);
    };

    const createApi = ({rootPath, setState, getState}) => {

        const apiCall = (method) => ({url, body, notFound, badRequest, forbidden}) => {
            return fetch(`${rootPath}${url}`, {
                method: method,
                headers: {
                    'Content-Type': 'application/json',
                },
                body: body && JSON.stringify(body), 
                credentials: "same-origin"
            }).then(r => {
                switch (r.status) {
                    case 200:
                        return r.json();
                    case 404:
                        return error(notFound || `${url} Not found`);
                    case 400:
                        return error(badRequest || `${url} Bad Request`);
                    case 403:
                        return error(forbidden || `${url} Forbidden`);
                    default:
                        if(r.status.toString().startsWith("2")
                            || r.status.toString().startsWith("3"))
                            return r.json()
                        else
                            return error(`${url} - ${r.statusText}`);
                }
            });
        };

        const post = apiCall("POST");
        const get = apiCall("GET");
        const patch = apiCall("PATCH");
        const del = apiCall("DELETE");

        const ERROR_MEMBER = "##error";
        const error = message => {
            const e = {};
            e[ERROR_MEMBER] = message;
            setState(ERROR, message);
            return e;
        };

        const isSuccess = obj => !obj || !obj[ERROR_MEMBER];

        const apiOpts = {
            rootPath, setState, getState, isSuccess, error,
            post, get, patch, delete:del
        };

        return {
            loadRecord:loadRecord(apiOpts), 
            listRecords: listRecords(apiOpts),
            authenticate: authenticate(apiOpts),
            saveRecord: saveRecord(apiOpts)
        }
    };

    const getNewChildRecordToState = (coreApi, setState) =>
                ({recordKey, collectionName,childRecordType,statePath}) => {
        const error = errorHandler(setState);
        try {
            if(!recordKey) {
                error("getNewChild > recordKey not set");
                return;
            }

            if(!collectionName) {
                error("getNewChild > collectionName not set");
                return;
            }

            if(!childRecordType) {
                error("getNewChild > childRecordType not set");
                return;
            }

            if(!statePath) {
                error("getNewChild > statePath not set");
                return;
            }

            const rec = coreApi.recordApi.getNewChild(recordKey, collectionName, childRecordType);
            setState(statePath, rec);
        }
        catch(e) {
            error(e.message);
        }
    };


    const getNewRecordToState = (coreApi, setState) =>
                ({collectionKey,childRecordType,statePath}) => {
        const error = errorHandler(setState);
        try {
            if(!collectionKey) {
                error("getNewChild > collectionKey not set");
                return;
            }

            if(!childRecordType) {
                error("getNewChild > childRecordType not set");
                return;
            }

            if(!statePath) {
                error("getNewChild > statePath not set");
                return;
            }

            const rec = coreApi.recordApi.getNew(collectionKey, childRecordType);
            setState(statePath, rec);
        }
        catch(e) {
            error(e.message);
        }
    };

    const errorHandler = setState => message => setState(ERROR, message);

    const EVENT_TYPE_MEMBER_NAME = "##eventHandlerType";

    const eventHandlers = (store,coreApi,rootPath) => {
        
        const handler = (parameters, execute) => ({
            execute, parameters
        });

        const setStateWithStore = (path, value) => setState(store, path, value);

        let currentState;
        store.subscribe(s => {
            currentState = s;
        });

        const api = createApi({
            rootPath:rootPath,
            setState: setStateWithStore,
            getState: (path, fallback) => getState(currentState, path, fallback)
        });

        const setStateHandler = ({path, value}) => setState(store, path, value);
        
        return {
            "Set State": handler(["path", "value"],  setStateHandler),
            "Load Record": handler(["recordKey", "statePath"], api.loadRecord),
            "List Records": handler(["indexKey", "statePath"], api.listRecords),
            "Save Record": handler(["statePath"], api.saveRecord),
            
            "Get New Child Record": handler(
                ["recordKey", "collectionName", "childRecordType", "statePath"], 
                getNewChildRecordToState(coreApi, setStateWithStore)),

            "Get New Record": handler(
                ["collectionKey", "childRecordType", "statePath"], 
                getNewRecordToState(coreApi, setStateWithStore)),

            "Authenticate": handler(["username", "password"], api.authenticate)
        };
    };

    const isEventType = prop => 
        fp_11(prop) 
        && prop.length > 0
        && !fp_2(prop[0][EVENT_TYPE_MEMBER_NAME]);

    const doNothing = () => {};
    doNothing.isPlaceholder=true;

    const setupBinding = (store, rootProps, coreApi, context, rootPath) => {

        const rootInitialProps = {...rootProps};

        const getBindings = (props, initialProps) => {

            const boundProps = [];
            const contextBoundProps = [];
            const componentEventHandlers = [];
            const boundArrays = [];

            for(let propName in props) {
                
                if(propName === "_component") continue;

                const val = initialProps[propName];
                
                if(isBound(val) && takeStateFromStore(val)) {

                    const binding = BindingPath(val);
                    const source = BindingSource(val);
                    const fallback = BindingFallback(val);

                    boundProps.push({ 
                        path:binding,
                        fallback, propName, source
                    });

                    initialProps[propName] = fallback;
                } else if(isBound(val) && takeStateFromContext(val)) {

                    const binding = BindingPath(val);
                    const fallback = BindingFallback(val);
                    const source = BindingSource(val);

                    contextBoundProps.push({ 
                        path:binding,
                        fallback, propName, source
                    });

                    initialProps[propName] = getState(
                        context || {},
                        binding,
                        fallback);

                } else if(isEventType(val)) {

                    const handlers = { propName, handlers:[] };
                    componentEventHandlers.push(handlers);
                    
                    for(let e of val) {
                        handlers.handlers.push({
                            handlerType: e[EVENT_TYPE_MEMBER_NAME],
                            parameters: e.parameters
                        });
                    }
                    
                    initialProps[propName] = doNothing;
                } else if(Array.isArray(val)) {
                    const arrayOfBindings = [];
                    for(let element of val){
                        arrayOfBindings.push(getBindings(element, {...element}));
                    }

                    boundArrays.push({ 
                        arrayOfBindings,
                        propName
                    });
                }
                
            }

            return {contextBoundProps, boundProps, componentEventHandlers, boundArrays, initialProps};
        };



        const bind = (rootBindings) => (component) => {

            if(rootBindings.boundProps.length === 0 
                && rootBindings.componentEventHandlers.length === 0
                && rootBindings.boundArrays.length === 0) return;

            const handlerTypes = eventHandlers(store, coreApi, rootPath);

            const unsubscribe = store.subscribe(rootState => {
               

                const getPropsFromBindings = (s, bindings) => {

                    const {boundProps, componentEventHandlers, boundArrays} = bindings;
                    const newProps = {...bindings.initialProps};
                
                    for(let boundProp of boundProps) {
                        const val = getState(
                            s, 
                            boundProp.path, 
                            boundProp.fallback);

                        if(val === undefined && newProps[boundProp.propName] !== undefined) {
                            delete newProps[boundProp.propName];
                        }

                        if(val !== undefined) {
                            newProps[boundProp.propName] = val;
                        }
                    }

                    for(let boundHandler of componentEventHandlers) {

                        const closuredHandlers = [];
                        for(let h of boundHandler.handlers) {
                            const handlerType = handlerTypes[h.handlerType];
                            closuredHandlers.push((eventContext) => {

                                const parameters = {};
                                for(let pname in h.parameters) {
                                    const p = h.parameters[pname];
                                    parameters[pname] = 
                                        !isBound(p) ? p 
                                        : takeStateFromStore(p) ? getState(
                                            s, p[BB_STATE_BINDINGPATH], p[BB_STATE_FALLBACK])
                                        : takeStateFromEventParameters(p) ? getState(
                                            eventContext, p[BB_STATE_BINDINGPATH], p[BB_STATE_FALLBACK])
                                        : takeStateFromContext(p) ? getState(
                                            context, p[BB_STATE_BINDINGPATH], p[BB_STATE_FALLBACK])
                                        : p[BB_STATE_FALLBACK];
                                    
                                }
                                handlerType.execute(parameters);
                            });
                        }

                        newProps[boundHandler.propName] = async (context) => {
                            for(let runHandler of closuredHandlers) {
                                await runHandler(context);
                            }
                        };

                    }

                    for(let boundArray of boundArrays) {
                        let index = 0;
                        if(!newProps[boundArray.propName])
                            newProps[boundArray.propName] = [];
                        for(let bindings of boundArray.arrayOfBindings){
                            newProps[boundArray.propName][index] = getPropsFromBindings(
                                s,
                                bindings);
                            index++;
                        }   
                    }

                    return newProps;

                };

                const rootNewProps = getPropsFromBindings(rootState, rootBindings);
                
                component.$set(rootNewProps);
            });

            return unsubscribe;
        };

        const bindings = getBindings(rootProps, rootInitialProps);

        return {
            initialProps:rootInitialProps, 
            bind:bind(bindings), 
            boundProps:bindings.boundProps,
            boundArrays: bindings.boundArrays,
            contextBoundProps: bindings.contextBoundProps
        };

    };

    const BindingPath = (prop) => prop[BB_STATE_BINDINGPATH];
    const BindingFallback = (prop) => prop[BB_STATE_FALLBACK];
    const BindingSource = (prop) => prop[BB_STATE_BINDINGSOURCE];

    const createCoreApp = (appDefinition, user) => {
        const app = {
            datastore: null,
            crypto:null,
            publish: () => {},
            hierarchy: appDefinition.hierarchy,
            actions: appDefinition.actions,
            user
        };

        return app;
    };

    const makerule = (field, error, isValid) => ({ field, error, isValid });

    var filters = new Map();
    var limiters = new Map();

    function compileRawExpression(src) {
      return new Function('context', 'tempVars', // eslint-disable-line
      ("const sandbox = $nxCompileToSandbox(context, tempVars)\n    try { with (sandbox) { return " + src + " } } catch (err) {\n      if (!(err instanceof TypeError)) throw err\n    }\n    $nxClearSandbox()"));
    }

    function compileRawCode(src) {
      return new Function('context', 'tempVars', // eslint-disable-line
      ("const sandbox = $nxCompileToSandbox(context, tempVars)\n    with (sandbox) { " + src + " }\n    $nxClearSandbox()"));
    }

    var filterRegex = /(?:[^\|]|\|\|)+/g;
    var limiterRegex = /(?:[^&]|&&)+/g;
    var argsRegex = /\S+/g;

    function parseExpression(src) {
      var tokens = src.match(filterRegex);
      if (tokens.length === 1) {
        return compileRawExpression(tokens[0]);
      }

      var expression = {
        exec: compileRawExpression(tokens[0]),
        filters: []
      };
      for (var i = 1; i < tokens.length; i++) {
        var filterTokens = tokens[i].match(argsRegex);
        var filterName = filterTokens.shift();
        var effect = filters.get(filterName);
        if (!effect) {
          throw new Error(("There is no filter named: " + filterName + "."));
        }
        expression.filters.push({ effect: effect, argExpressions: filterTokens.map(compileRawExpression) });
      }
      return expression;
    }

    function parseCode(src) {
      var tokens = src.match(limiterRegex);
      if (tokens.length === 1) {
        return compileRawCode(tokens[0]);
      }

      var code = {
        exec: compileRawCode(tokens[0]),
        limiters: []
      };
      for (var i = 1; i < tokens.length; i++) {
        var limiterTokens = tokens[i].match(argsRegex);
        var limiterName = limiterTokens.shift();
        var effect = limiters.get(limiterName);
        if (!effect) {
          throw new Error(("There is no limiter named: " + limiterName + "."));
        }
        code.limiters.push({ effect: effect, argExpressions: limiterTokens.map(compileRawExpression) });
      }
      return code;
    }

    var expressionCache = new Map();
    var codeCache = new Map();

    function compileExpression(src) {
      if (typeof src !== 'string') {
        throw new TypeError('First argument must be a string.');
      }
      var expression = expressionCache.get(src);
      if (!expression) {
        expression = parseExpression(src);
        expressionCache.set(src, expression);
      }

      if (typeof expression === 'function') {
        return expression;
      }

      return function evaluateExpression(context, tempVars) {
        var value = expression.exec(context, tempVars);
        for (var i = 0, list = expression.filters; i < list.length; i += 1) {
          var filter = list[i];

          var args = filter.argExpressions.map(evaluateArgExpression, context);
          value = filter.effect.apply(filter, [ value ].concat( args ));
        }
        return value;
      };
    }

    function compileCode(src) {
      if (typeof src !== 'string') {
        throw new TypeError('First argument must be a string.');
      }
      var code = codeCache.get(src);
      if (!code) {
        code = parseCode(src);
        codeCache.set(src, code);
      }

      if (typeof code === 'function') {
        return code;
      }

      var context = {};
      return function evaluateCode(state, tempVars) {
        var i = 0;
        function next() {
          Object.assign(context, tempVars);
          if (i < code.limiters.length) {
            var limiter = code.limiters[i++];
            var args = limiter.argExpressions.map(evaluateArgExpression, state);
            limiter.effect.apply(limiter, [ next, context ].concat( args ));
          } else {
            code.exec(state, tempVars);
          }
        }
        next();
      };
    }

    function evaluateArgExpression(argExpression) {
      return argExpression(this);
    }

    var hasHandler = { has: has };
    var allHandlers = { has: has, get: get$1 };
    var globals$1 = new Set();
    var temp;

    var globalObj;
    if (typeof window !== 'undefined') { globalObj = window; } // eslint-disable-line
    else if (typeof global !== 'undefined') { globalObj = global; } // eslint-disable-line
      else if (typeof self !== 'undefined') { globalObj = self; } // eslint-disable-line
    globalObj.$nxCompileToSandbox = toSandbox;
    globalObj.$nxClearSandbox = clearSandbox;

    function has(target, key) {
      return globals$1.has(key) ? key in target : true;
    }

    function get$1(target, key) {
      return key in temp ? temp[key] : target[key];
    }

    function toSandbox(obj, tempVars) {
      if (tempVars) {
        temp = tempVars;
        return new Proxy(obj, allHandlers);
      }
      return new Proxy(obj, hasHandler);
    }

    function clearSandbox() {
      temp = undefined;
    }

    const compileFilter = index => compileExpression(index.filter);

    const compileMap = index => compileCode(index.map);

    const indexTypes = { reference: 'reference', ancestor: 'ancestor' };

    const indexRuleSet = [
      makerule('map', 'index has no map function',
        index => isNonEmptyString(index.map)),
      makerule('map', "index's map function does not compile",
        index => !isNonEmptyString(index.map)
                    || executesWithoutException(() => compileMap(index))),
      makerule('filter', "index's filter function does not compile",
        index => !isNonEmptyString(index.filter)
                    || executesWithoutException(() => compileFilter(index))),
      makerule('name', 'must declare a name for index',
        index => isNonEmptyString(index.name)),
      makerule('name', 'there is a duplicate named index on this node',
        index => fp_16(index.name)
                    || fp_17('name')(index.parent().indexes)[index.name] === 1),
      makerule('indexType', 'reference index may only exist on a record node',
        index => isRecord(index.parent())
                      || index.indexType !== indexTypes.reference),
      makerule('indexType', `index type must be one of: ${fp_18(', ')(fp_14(indexTypes))}`,
        index => fp_19(index.indexType)(fp_14(indexTypes))),
    ];

    const getFlattenedHierarchy = (appHierarchy, useCached = true) => {
      if (isSomething(appHierarchy.getFlattenedHierarchy) && useCached) { return appHierarchy.getFlattenedHierarchy(); }

      const flattenHierarchy = (currentNode, flattened) => {
        flattened.push(currentNode);
        if ((!currentNode.children
                || currentNode.children.length === 0)
                && (!currentNode.indexes
                || currentNode.indexes.length === 0)
                && (!currentNode.aggregateGroups
                || currentNode.aggregateGroups.length === 0)) {
          return flattened;
        }

        const unionIfAny = l2 => l1 => fp_6(l1)(!l2 ? [] : l2);

        const children = $([], [
          unionIfAny(currentNode.children),
          unionIfAny(currentNode.indexes),
          unionIfAny(currentNode.aggregateGroups),
        ]);

        for (const child of children) {
          flattenHierarchy(child, flattened);
        }
        return flattened;
      };

      appHierarchy.getFlattenedHierarchy = () => flattenHierarchy(appHierarchy, []);
      return appHierarchy.getFlattenedHierarchy();
    };

    const getExactNodeForPath = appHierarchy => key => $(appHierarchy, [
      getFlattenedHierarchy,
      fp_1(n => new RegExp(`${n.pathRegx()}$`).test(key)),
    ]);

    const getNodeForCollectionPath = appHierarchy => collectionKey => $(appHierarchy, [
      getFlattenedHierarchy,
      fp_1(n => (isCollectionRecord(n)
                       && new RegExp(`${n.collectionPathRegx()}$`).test(collectionKey))),
    ]);

    const getNode = (appHierarchy, nodeKey) => $(appHierarchy, [
      getFlattenedHierarchy,
      fp_1(n => n.nodeKey() === nodeKey
                      || (isCollectionRecord(n)
                          && n.collectionNodeKey() === nodeKey)),
    ]);

    const getNodeByKeyOrNodeKey = (appHierarchy, keyOrNodeKey) => {
      const nodeByKey = getExactNodeForPath(appHierarchy)(keyOrNodeKey);
      return isNothing(nodeByKey)
        ? getNode(appHierarchy, keyOrNodeKey)
        : nodeByKey;
    };

    const isNode = (appHierarchy, key) => isSomething(getExactNodeForPath(appHierarchy)(key));

    const isRecord = node => isSomething(node) && node.type === 'record';
    const isSingleRecord = node => isRecord(node) && node.isSingle;
    const isCollectionRecord = node => isRecord(node) && !node.isSingle;
    const isRoot = node => isSomething(node) && node.isRoot();

    const getSafeFieldParser = (tryParse, defaultValueFunctions) => (field, record) => {
      if (fp_25(field.name)(record)) {
        return getSafeValueParser(tryParse, defaultValueFunctions)(record[field.name]);
      }
      return defaultValueFunctions[field.getUndefinedValue]();
    };

    const getSafeValueParser = (tryParse, defaultValueFunctions) => (value) => {
      const parsed = tryParse(value);
      if (parsed.success) {
        return parsed.value;
      }
      return defaultValueFunctions.default();
    };

    const getNewValue = (tryParse, defaultValueFunctions) => (field) => {
      const getInitialValue = fp_2(field) || fp_2(field.getInitialValue)
        ? 'default'
        : field.getInitialValue;

      return fp_25(getInitialValue)(defaultValueFunctions)
        ? defaultValueFunctions[getInitialValue]()
        : getSafeValueParser(tryParse, defaultValueFunctions)(getInitialValue);
    };

    const typeFunctions = specificFunctions => lodash_13({
      value: fp_21,
      null: fp_21(null),
    }, specificFunctions);

    const validateTypeConstraints = validationRules => async (field, record, context) => {
      const fieldValue = record[field.name];
      const validateRule = async r => (!await r.isValid(fieldValue, field.typeOptions, context)
        ? r.getMessage(fieldValue, field.typeOptions)
        : '');

      const errors = [];
      for (const r of validationRules) {
        const err = await validateRule(r);
        if (isNotEmpty(err)) errors.push(err);
      }

      return errors;
    };

    const getDefaultOptions = fp_26(v => v.defaultValue);

    const makerule$1 = (isValid, getMessage) => ({ isValid, getMessage });
    const parsedFailed = val => ({ success: false, value: val });
    const parsedSuccess = val => ({ success: true, value: val });
    const getDefaultExport = (name, tryParse, functions, options, validationRules, sampleValue, stringify) => ({
      getNew: getNewValue(tryParse, functions),
      safeParseField: getSafeFieldParser(tryParse, functions),
      safeParseValue: getSafeValueParser(tryParse, functions),
      tryParse,
      name,
      getDefaultOptions: () => getDefaultOptions(fp_9(options)),
      optionDefinitions: options,
      validateTypeConstraints: validateTypeConstraints(validationRules),
      sampleValue,
      stringify: val => (val === null || val === undefined
        ? '' : stringify(val)),
      getDefaultValue: functions.default,
    });

    const stringFunctions = typeFunctions({
      default: fp_21(null),
    });

    const stringTryParse = switchCase(
      [fp_27, parsedSuccess],
      [fp_29, parsedSuccess],
      [defaultCase, v => parsedSuccess(v.toString())],
    );

    const options = {
      maxLength: {
        defaultValue: null,
        isValid: n => n === null || isSafeInteger(n) && n > 0,
        requirementDescription: 'max length must be null (no limit) or a greater than zero integer',
        parse: toNumberOrNull,
      },
      values: {
        defaultValue: null,
        isValid: v => v === null || (isArrayOfString(v) && v.length > 0 && v.length < 10000),
        requirementDescription: "'values' must be null (no values) or an arry of at least one string",
        parse: s => s,
      },
      allowDeclaredValuesOnly: {
        defaultValue: false,
        isValid: fp_28,
        requirementDescription: 'allowDeclaredValuesOnly must be true or false',
        parse: toBoolOrNull,
      },
    };

    const typeConstraints = [
      makerule$1(async (val, opts) => val === null || opts.maxLength === null || val.length <= opts.maxLength,
        (val, opts) => `value exceeds maximum length of ${opts.maxLength}`),
      makerule$1(async (val, opts) => val === null
                               || opts.allowDeclaredValuesOnly === false
                               || fp_19(val)(opts.values),
      (val) => `"${val}" does not exist in the list of allowed values`),
    ];

    var string = getDefaultExport(
      'string',
      stringTryParse,
      stringFunctions,
      options,
      typeConstraints,
      'abcde',
      str => str,
    );

    const boolFunctions = typeFunctions({
      default: fp_21(null),
    });

    const boolTryParse = switchCase(
      [fp_28, parsedSuccess],
      [fp_29, parsedSuccess],
      [isOneOf('true', '1', 'yes', 'on'), () => parsedSuccess(true)],
      [isOneOf('false', '0', 'no', 'off'), () => parsedSuccess(false)],
      [defaultCase, parsedFailed],
    );

    const options$1 = {
      allowNulls: {
        defaultValue: true,
        isValid: fp_28,
        requirementDescription: 'must be a true or false',
        parse: toBoolOrNull,
      },
    };

    const typeConstraints$1 = [
      makerule$1(async (val, opts) => opts.allowNulls === true || val !== null,
        () => 'field cannot be null'),
    ];

    var bool = getDefaultExport(
      'bool', boolTryParse, boolFunctions,
      options$1, typeConstraints$1, true, JSON.stringify,
    );

    const numberFunctions = typeFunctions({
      default: fp_21(null),
    });

    const parseStringtoNumberOrNull = (s) => {
      const num = Number(s);
      return isNaN(num) ? parsedFailed(s) : parsedSuccess(num);
    };

    const numberTryParse = switchCase(
      [fp_30, parsedSuccess],
      [fp_27, parseStringtoNumberOrNull],
      [fp_29, parsedSuccess],
      [defaultCase, parsedFailed],
    );

    const options$2 = {
      maxValue: {
        defaultValue: Number.MAX_SAFE_INTEGER,
        isValid: isSafeInteger,
        requirementDescription: 'must be a valid integer',
        parse: toNumberOrNull,
      },
      minValue: {
        defaultValue: 0 - Number.MAX_SAFE_INTEGER,
        isValid: isSafeInteger,
        requirementDescription: 'must be a valid integer',
        parse: toNumberOrNull,
      },
      decimalPlaces: {
        defaultValue: 0,
        isValid: n => isSafeInteger(n) && n >= 0,
        requirementDescription: 'must be a positive integer',
        parse: toNumberOrNull,
      },
    };

    const getDecimalPlaces = (val) => {
      const splitDecimal = val.toString().split('.');
      if (splitDecimal.length === 1) return 0;
      return splitDecimal[1].length;
    };

    const typeConstraints$2 = [
      makerule$1(async (val, opts) => val === null || opts.minValue === null || val >= opts.minValue,
        (val, opts) => `value (${val.toString()}) must be greater than or equal to ${opts.minValue}`),
      makerule$1(async (val, opts) => val === null || opts.maxValue === null || val <= opts.maxValue,
        (val, opts) => `value (${val.toString()}) must be less than or equal to ${opts.minValue} options`),
      makerule$1(async (val, opts) => val === null || opts.decimalPlaces >= getDecimalPlaces(val),
        (val, opts) => `value (${val.toString()}) must have ${opts.decimalPlaces} decimal places or less`),
    ];

    var number = getDefaultExport(
      'number',
      numberTryParse,
      numberFunctions,
      options$2,
      typeConstraints$2,
      1,
      num => num.toString(),
    );

    const dateFunctions = typeFunctions({
      default: fp_21(null),
      now: () => new Date(),
    });

    const isValidDate = d => d instanceof Date && !isNaN(d);

    const parseStringToDate = s => switchCase(
      [isValidDate, parsedSuccess],
      [defaultCase, parsedFailed],
    )(new Date(s));


    const dateTryParse = switchCase(
      [fp_32, parsedSuccess],
      [fp_27, parseStringToDate],
      [fp_29, parsedSuccess],
      [defaultCase, parsedFailed],
    );

    const options$3 = {
      maxValue: {
        defaultValue: new Date(32503680000000),
        isValid: fp_32,
        requirementDescription: 'must be a valid date',
        parse: toDateOrNull,
      },
      minValue: {
        defaultValue: new Date(-8520336000000),
        isValid: fp_32,
        requirementDescription: 'must be a valid date',
        parse: toDateOrNull,
      },
    };

    const typeConstraints$3 = [
      makerule$1(async (val, opts) => val === null || opts.minValue === null || val >= opts.minValue,
        (val, opts) => `value (${val.toString()}) must be greater than or equal to ${opts.minValue}`),
      makerule$1(async (val, opts) => val === null || opts.maxValue === null || val <= opts.maxValue,
        (val, opts) => `value (${val.toString()}) must be less than or equal to ${opts.minValue} options`),
    ];

    var datetime = getDefaultExport(
      'datetime',
      dateTryParse,
      dateFunctions,
      options$3,
      typeConstraints$3,
      new Date(1984, 4, 1),
      date => JSON.stringify(date).replace(new RegExp('"', 'g'), ''),
    );

    const arrayFunctions = () => typeFunctions({
      default: fp_21([]),
    });

    const mapToParsedArrary = type => $$(
      fp_12(i => type.safeParseValue(i)),
      parsedSuccess,
    );

    const arrayTryParse = type => switchCase(
      [fp_11, mapToParsedArrary(type)],
      [defaultCase, parsedFailed],
    );

    const typeName = type => `array<${type}>`;


    const options$4 = {
      maxLength: {
        defaultValue: 10000,
        isValid: isSafeInteger,
        requirementDescription: 'must be a positive integer',
        parse: toNumberOrNull,
      },
      minLength: {
        defaultValue: 0,
        isValid: n => isSafeInteger(n) && n >= 0,
        requirementDescription: 'must be a positive integer',
        parse: toNumberOrNull,
      },
    };

    const typeConstraints$4 = [
      makerule$1(async (val, opts) => val === null || val.length >= opts.minLength,
        (val, opts) => `must choose ${opts.minLength} or more options`),
      makerule$1(async (val, opts) => val === null || val.length <= opts.maxLength,
        (val, opts) => `cannot choose more than ${opts.maxLength} options`),
    ];

    var array = type => getDefaultExport(
      typeName(type.name),
      arrayTryParse(type),
      arrayFunctions(),
      options$4,
      typeConstraints$4,
      [type.sampleValue],
      JSON.stringify,
    );

    const referenceNothing = () => ({ key: '' });

    const referenceFunctions = typeFunctions({
      default: referenceNothing,
    });

    const hasStringValue = (ob, path) => fp_25(path)(ob)
        && fp_27(ob[path]);

    const isObjectWithKey = v => fp_31(v)
        && hasStringValue(v, 'key');

    const tryParseFromString = s => {

      try {
        const asObj = JSON.parse(s);
        if(isObjectWithKey) {
          return parsedSuccess(asObj);
        }
      }
      catch(_) {
        // EMPTY
      }

      return parsedFailed(s);
    };

    const referenceTryParse = v => switchCase(
      [isObjectWithKey, parsedSuccess],
      [fp_27, tryParseFromString],
      [fp_29, () => parsedSuccess(referenceNothing())],
      [defaultCase, parsedFailed],
    )(v);

    const options$5 = {
      indexNodeKey: {
        defaultValue: null,
        isValid: isNonEmptyString,
        requirementDescription: 'must be a non-empty string',
        parse: s => s,
      },
      displayValue: {
        defaultValue: '',
        isValid: isNonEmptyString,
        requirementDescription: 'must be a non-empty string',
        parse: s => s,
      },
      reverseIndexNodeKeys: {
        defaultValue: null,
        isValid: v => isArrayOfString(v) && v.length > 0,
        requirementDescription: 'must be a non-empty array of strings',
        parse: s => s,
      },
    };

    const isEmptyString = s => fp_27(s) && fp_16(s);

    const ensureReferenceExists = async (val, opts, context) => isEmptyString(val.key)
        || await context.referenceExists(opts, val.key);

    const typeConstraints$5 = [
      makerule$1(
        ensureReferenceExists,
        (val, opts) => `"${val[opts.displayValue]}" does not exist in options list (key: ${val.key})`,
      ),
    ];

    var reference = getDefaultExport(
      'reference',
      referenceTryParse,
      referenceFunctions,
      options$5,
      typeConstraints$5,
      { key: 'key', value: 'value' },
      JSON.stringify,
    );

    const illegalCharacters = '*?\\/:<>|\0\b\f\v';

    const isLegalFilename = (filePath) => {
      const fn = fileName(filePath);
      return fn.length <= 255
        && fp_23(fn.split(''))(illegalCharacters.split('')).length === 0
        && none(f => f === '..')(splitKey(filePath));
    };

    const fileNothing = () => ({ relativePath: '', size: 0 });

    const fileFunctions = typeFunctions({
      default: fileNothing,
    });

    const fileTryParse = v => switchCase(
      [isValidFile, parsedSuccess],
      [fp_29, () => parsedSuccess(fileNothing())],
      [defaultCase, parsedFailed],
    )(v);

    const fileName = filePath => $(filePath, [
      splitKey,
      fp_5,
    ]);

    const isValidFile = f => !fp_29(f)
        && fp_25('relativePath')(f) && fp_25('size')(f)
        && fp_30(f.size)
        && fp_27(f.relativePath)
        && isLegalFilename(f.relativePath);

    const options$6 = {};

    const typeConstraints$6 = [];

    var file$a = getDefaultExport(
      'file',
      fileTryParse,
      fileFunctions,
      options$6,
      typeConstraints$6,
      { relativePath: 'some_file.jpg', size: 1000 },
      JSON.stringify,
    );

    const allTypes = () => {
      const basicTypes = {
        string, number, datetime, bool, reference, file: file$a,
      };

      const arrays = $(basicTypes, [
        fp_14,
        fp_12((k) => {
          const kvType = {};
          const concreteArray = array(basicTypes[k]);
          kvType[concreteArray.name] = concreteArray;
          return kvType;
        }),
        types => lodash_14({}, ...types),
      ]);

      return lodash_13({}, basicTypes, arrays);
    };


    const all$1 = allTypes();

    const getType = (typeName) => {
      if (!fp_25(typeName)(all$1)) throw new BadRequestError(`Do not recognise type ${typeName}`);
      return all$1[typeName];
    };

    const getNewFieldValue = field => getType(field.type).getNew(field);

    const AUTH_FOLDER = '/.auth';
    const USERS_LIST_FILE = joinKey(AUTH_FOLDER, 'users.json');
    const USERS_LOCK_FILE = joinKey(AUTH_FOLDER, 'users_lock');
    const ACCESS_LEVELS_FILE = joinKey(AUTH_FOLDER, 'access_levels.json');
    const ACCESS_LEVELS_LOCK_FILE = joinKey(AUTH_FOLDER, 'access_levels_lock');

    const permissionTypes = {
      CREATE_RECORD: 'create record',
      UPDATE_RECORD: 'update record',
      READ_RECORD: 'read record',
      DELETE_RECORD: 'delete record',
      READ_INDEX: 'read index',
      MANAGE_INDEX: 'manage index',
      MANAGE_COLLECTION: 'manage collection',
      WRITE_TEMPLATES: 'write templates',
      CREATE_USER: 'create user',
      SET_PASSWORD: 'set password',
      CREATE_TEMPORARY_ACCESS: 'create temporary access',
      ENABLE_DISABLE_USER: 'enable or disable user',
      WRITE_ACCESS_LEVELS: 'write access levels',
      LIST_USERS: 'list users',
      LIST_ACCESS_LEVELS: 'list access levels',
      EXECUTE_ACTION: 'execute action',
      SET_USER_ACCESS_LEVELS: 'set user access levels',
    };

    const isAuthorized = app => (permissionType, resourceKey) => apiWrapperSync(
      app,
      events.authApi.isAuthorized,
      alwaysAuthorized,
      { resourceKey, permissionType },
      _isAuthorized, app, permissionType, resourceKey,
    );

    const _isAuthorized = (app, permissionType, resourceKey) => {
      if (!app.user) {
        return false;
      }

      const validType = $(permissionTypes, [
        fp_34,
        fp_19(permissionType),
      ]);

      if (!validType) {
        return false;
      }

      const permMatchesResource = (userperm) => {
        const nodeKey = isNothing(resourceKey)
          ? null
          : isNode(app.hierarchy, resourceKey)
            ? getNodeByKeyOrNodeKey(
              app.hierarchy, resourceKey,
            ).nodeKey()
            : resourceKey;

        return (userperm.type === permissionType)
            && (
              isNothing(resourceKey)
                || nodeKey === userperm.nodeKey
            );
      };

      return $(app.user.permissions, [
        fp_10(permMatchesResource),
      ]);
    };

    const nodePermission = type => ({
      add: (nodeKey, accessLevel) => accessLevel.permissions.push({ type, nodeKey }),
      isAuthorized: resourceKey => app => isAuthorized(app)(type, resourceKey),
      isNode: true,
      get: nodeKey => ({ type, nodeKey }),
    });

    const staticPermission = type => ({
      add: accessLevel => accessLevel.permissions.push({ type }),
      isAuthorized: app => isAuthorized(app)(type),
      isNode: false,
      get: () => ({ type }),
    });

    const createRecord = nodePermission(permissionTypes.CREATE_RECORD);

    const updateRecord = nodePermission(permissionTypes.UPDATE_RECORD);

    const deleteRecord = nodePermission(permissionTypes.DELETE_RECORD);

    const readRecord = nodePermission(permissionTypes.READ_RECORD);

    const writeTemplates = staticPermission(permissionTypes.WRITE_TEMPLATES);

    const createUser = staticPermission(permissionTypes.CREATE_USER);

    const setPassword = staticPermission(permissionTypes.SET_PASSWORD);

    const readIndex = nodePermission(permissionTypes.READ_INDEX);

    const manageIndex = staticPermission(permissionTypes.MANAGE_INDEX);

    const manageCollection = staticPermission(permissionTypes.MANAGE_COLLECTION);

    const createTemporaryAccess = staticPermission(permissionTypes.CREATE_TEMPORARY_ACCESS);

    const enableDisableUser = staticPermission(permissionTypes.ENABLE_DISABLE_USER);

    const writeAccessLevels = staticPermission(permissionTypes.WRITE_ACCESS_LEVELS);

    const listUsers = staticPermission(permissionTypes.LIST_USERS);

    const listAccessLevels = staticPermission(permissionTypes.LIST_ACCESS_LEVELS);

    const setUserAccessLevels = staticPermission(permissionTypes.SET_USER_ACCESS_LEVELS);

    const executeAction = nodePermission(permissionTypes.EXECUTE_ACTION);

    const alwaysAuthorized = () => true;

    const permission = {
      createRecord,
      updateRecord,
      deleteRecord,
      readRecord,
      writeTemplates,
      createUser,
      setPassword,
      readIndex,
      createTemporaryAccess,
      enableDisableUser,
      writeAccessLevels,
      listUsers,
      listAccessLevels,
      manageIndex,
      manageCollection,
      executeAction,
      setUserAccessLevels,
    };

    const getNew = app => (collectionKey, recordTypeName) => {
      const recordNode = getRecordNode(app, collectionKey);
      collectionKey=safeKey(collectionKey);
      return apiWrapperSync(
        app,
        events.recordApi.getNew,
        permission.createRecord.isAuthorized(recordNode.nodeKey()),
        { collectionKey, recordTypeName },
        _getNew, recordNode, collectionKey,
      );
    };

    const _getNew = (recordNode, collectionKey) => constructRecord(recordNode, getNewFieldValue, collectionKey);

    const getRecordNode = (app, collectionKey) => {
      collectionKey = safeKey(collectionKey);
      return getNodeForCollectionPath(app.hierarchy)(collectionKey);
    };

    const getNewChild = app => (recordKey, collectionName, recordTypeName) => 
      getNew(app)(joinKey(recordKey, collectionName), recordTypeName);

    const constructRecord = (recordNode, getFieldValue, collectionKey) => {
      const record = $(recordNode.fields, [
        fp_35('name'),
        fp_26(getFieldValue),
      ]);

      record.id = `${recordNode.nodeId}-${shortid_1()}`;
      record.key = joinKey(collectionKey, record.id);
      record.isNew = true;
      record.type = recordNode.name;
      return record;
    };

    const pathRegxMaker = node => () => node.nodeKey().replace(/{id}/g, '[a-zA-Z0-9_-]+');

    const nodeKeyMaker = node => () => switchCase(

      [n => isRecord(n) && !isSingleRecord(n),
        n => joinKey(
          node.parent().nodeKey(),
          node.collectionName,
          `${n.nodeId}-{id}`,
        )],

      [isRoot,
        fp_21('/')],

      [defaultCase,
        n => joinKey(node.parent().nodeKey(), n.name)],

    )(node);

    const construct = parent => (node) => {
      node.nodeKey = nodeKeyMaker(node);
      node.pathRegx = pathRegxMaker(node);
      node.parent = fp_21(parent);
      node.isRoot = () => isNothing(parent)
                            && node.name === 'root'
                            && node.type === 'root';
      if (isCollectionRecord(node)) {
        node.collectionNodeKey = () => joinKey(
          parent.nodeKey(), node.collectionName,
        );
        node.collectionPathRegx = () => joinKey(
          parent.pathRegx(), node.collectionName,
        );
      }
      return node;
    };

    const constructHierarchy = (node, parent) => {
      construct(parent)(node);
      if (node.indexes) {
        lodash_4(node.indexes,
          child => constructHierarchy(child, node));
      }
      if (node.aggregateGroups) {
        lodash_4(node.aggregateGroups,
          child => constructHierarchy(child, node));
      }
      if (node.children && node.children.length > 0) {
        lodash_4(node.children,
          child => constructHierarchy(child, node));
      }
      if (node.fields) {
        lodash_4(node.fields,
          f => lodash_4(f.typeOptions, (val, key) => {
            const def = all$1[f.type].optionDefinitions[key];
            if (!def) {
              // unknown typeOption
              delete f.typeOptions[key];
            } else {
              f.typeOptions[key] = def.parse(val);
            }
          }));
      }
      return node;
    };

    const createCoreApi = (appDefinition, user) => {
        
        const app = createCoreApp(appDefinition, user);

        return {
            recordApi: {
                getNew: getNew(app),
                getNewChild: getNewChild(app)
            },

            templateApi: {
                constructHierarchy
            }
        }

    };

    const createApp = (componentLibraries, appDefinition, user) => {

        const _initialiseComponent = (parentContext, hydrate) => (props, htmlElement, context, anchor=null) => {

            const {componentName, libName} = splitName(props._component);

            if(!componentName || !libName) return;

            const {
                initialProps, bind, 
                boundProps, boundArrays,
                contextBoundProps
            } = setupBinding(
                    store, props, coreApi, 
                    context || parentContext, appDefinition.appRootPath);

            const bindings = buildBindings(boundProps, boundArrays, contextBoundProps);

            const componentProps = {
                ...initialProps, 
                _bb:bb(bindings, context || parentContext)
            };

            const component = new (componentLibraries[libName][componentName])({
                target: htmlElement,
                props: componentProps,
                hydrate,
                anchor
            });

            bind(component);

            return component;
        };

        const coreApi = createCoreApi(appDefinition, user);
        appDefinition.hierarchy = coreApi.templateApi.constructHierarchy(appDefinition.hierarchy);
        const store = writable({
            _bbuser: user
        });


        let globalState = null;
        store.subscribe(s => {
            globalState = s;
        });

        const relativeUrl = (url) =>  
            appDefinition.appRootPath 
            ? appDefinition.appRootPath + "/" + trimSlash(url)
            : url;


        const apiCall = (method) => (url, body) => 
            fetch(relativeUrl(url), {
                method: method,
                headers: {
                    'Content-Type': 'application/json',
                },
                body: body && JSON.stringify(body), 
            });

        const api = {
            post: apiCall("POST"), 
            get: apiCall("GET"), 
            patch: apiCall("PATCH"), 
            delete:apiCall("DELETE")
        };

        const safeCallEvent = (event, context) => {
            
            const isFunction = (obj) =>
                !!(obj && obj.constructor && obj.call && obj.apply);

            if(isFunction(event)) event(context);
        };

        const bb = (bindings, context) => ({
            hydrateComponent: _initialiseComponent(context, true), 
            appendComponent: _initialiseComponent(context, false), 
            insertComponent: (props, htmlElement, anchor, context) => 
                _initialiseComponent(context, false)(props, htmlElement, context, anchor), 
            store,
            relativeUrl,
            api,
            call:safeCallEvent,
            isBound,
            setStateFromBinding: (binding, value) => setStateFromBinding(store, binding, value),
            setState: (path, value) => setState(store, path, value),
            getStateOrValue: (prop, currentContext) => 
                getStateOrValue(globalState, prop, currentContext),
            bindings,
            context,        
        });

        return bb();

    };

    const buildBindings = (boundProps, boundArrays, contextBoundProps) => {
        const bindings = {};
        if(boundProps && boundProps.length > 0) {
            for(let p of boundProps) {
                bindings[p.propName] = {
                    path: p.path,
                    fallback: p.fallback,
                    source: p.source
                };
            }
        }

        if(contextBoundProps && contextBoundProps.length > 0) {
            for(let p of contextBoundProps) {
                bindings[p.propName] = {
                    path: p.path,
                    fallback: p.fallback,
                    source: p.source
                };
            }
        }

        if(boundArrays && boundArrays.length > 0) {
            for(let a of boundArrays) {
                const arrayOfBindings = [];

                for(let b of a.arrayOfBindings) {
                    arrayOfBindings.push(
                        buildBindings(
                            b.boundProps, 
                            b.boundArrays, 
                            b.contextBoundProps)
                    );
                }

                bindings[a.propName] = arrayOfBindings;
            }
        }

        return bindings;
    };


    const splitName = fullname => {
        const componentName = $(fullname, [
            fp_3("/"),
            fp_5
        ]);

        const libName =fullname.substring(
            0, fullname.length - componentName.length - 1);

        return {libName, componentName}; 
    };

    var createApp$1 = async () =>  {

        const componentLibraries = {
            components : {
                login : Login,
                grid : Grid,
                form : Form,
                textbox : Textbox,
                text: Text,
                nav: Nav,
                panel: Panel,
                table: Table,
                stackpanel: StackPanel,
                button: Button
            }
        };

        const appDef = {hierarchy:{}, actions:{}};
        const user = {name:"yeo", permissions:[]};
       
        var app = createApp(componentLibraries, appDef, user);
        app.store.update(s => {
            s.people = [
                {name:"bob", address: "123 Main Street", status: "Open"},
                {name:"poppy", address: "456 Side Road", status: "Closed"},
                {name:"Oscar", address: "678 Dodgy Alley", status: "Open"},
            ];
            return s;
        });

        return app;

    };

    const props = {

        login: { _component:"components/login" },

        form: {
            _component: "components/form",
            formControls: [
                {
                    control: {
                        _component: "components/textbox"
                    },
                    label:"First Name"
                },
                {
                    control: {
                        _component: "components/textbox"
                    },
                    label:"Last Name"
                }
            ]
        },

        nav: {
            _component: "components/nav",
            navBarBackground: "red",
            navBarBorder: "1px solid maroon",
            navBarColor: "black",
            selectedItemBackground: "maroon",
            selectedItemColor: "white",
            selectedItemBorder: "green",
            itemHoverBackground: "yellow",
            itemHoverColor: "pink",
            items: [
                {
                    title: "People",
                    component: {
                        _component: "components/panel",
                        text:"People Panel",
                        padding: "40px",
                        border: "2px solid pink",
                        background: "mistyrose"

                    }
                },
                {
                    title: "Animals",
                    component: {
                        _component: "components/panel",
                        text:"Animals Panel",
                        padding: "40px",
                        border: "2px solid green",
                        background: "azure"
                    }
                }
            ]
        },

        table: {
            _component:"components/table",
            columns: [
                {
                    title: {
                        "##bbstate":"NameColumnName",
                        "##bbsource":"store",
                        "##bbstatefallback": "Name"
                    },
                    value: {
                        "##bbstate":"name",
                        "##bbsource":"context"
                    }
                },
                {
                    title: "Address",
                    value: {
                        "##bbstate":"address",
                        "##bbsource":"context"
                    }
                },
                {
                    title: "Status",
                    value: {
                        "##bbstate":"status",
                        "##bbsource":"context"
                    }
                }
            ],
            data: {
                "##bbstate":"people"
            },
            onRowClick: [
                {
                    "##eventHandlerType": "Set State",
                    parameters: {
                        path: "NameColumnName",
                        value: {
                            "##bbstate":"name",
                            "##bbsource":"context",
                            "##bbstatefallback": "balls to that"
                        }
                    }
                }
            ],
            tableClass: "table-default",
            theadClass: "thead-default",
            tbodyClass: "tbody-default",
            trClass: "tr-default",
            thClass: "th-default"

        },

        grid: {
            _component: "components/grid",
            gridTemplateColumns: "[left] auto [center] auto [right] auto",
            gridTemplateRows: "[top] auto [middle] auto [bottom] auto",
            children : [
                {
                    control: {
                        _component: "components/text",
                        value: "1",
                        background: "blue",
                        textAlign:"center",
                        color: "white"
                    },
                    gridColumn: "left",
                    gridRow: "top"
                },
                {
                    control: {
                        _component: "components/text",
                        value: "2",
                        background: "red",
                        textAlign:"center",
                        color: "white",
                        padding: "10px"
                    },
                    gridColumn: "center",
                    gridRow: "middle"
                },
                {
                    control: {
                        _component: "components/text",
                        value: "3",
                        background: "yellow",
                        textAlign:"center",
                        color: "black"
                    },
                    gridColumn: "right",
                    gridRow: "bottom"
                }
            ]
        },
        boundStackPanel: {
            _component: "components/stackpanel",
            direction: "horizontal",
            children: [
                {
                    control: {
                        _component: "components/text",
                        value: "STATIC"
                    }
                }
            ],
            data: {
                "##bbstate":"people"
            },
            dataItemComponent: {
                _component: "components/panel",
                text: {
                    "##bbstate":"name",
                    "##bbsource":"context",
                    "##bbstatefallback": "balls to that"
                },
                padding: "10px",
                border: "5px solid black",
                margin: "10px",
                hoverColor: "white",
                hoverBackground: "black",
                height:"200px",
                weight:"200px"
            }
        },
        hiddenNav: {
            _component: "components/stackpanel",
            children: [
                {
                    control:{
                        _component: "components/button",
                        contentText: "Peep",
                        onClick: [
                            {
                                "##eventHandlerType": "Set State",
                                parameters: {
                                    path: "selected",
                                    value: "People"
                                }
                            }
                        ]
                    }
                },
                {
                    control:{
                        _component: "components/button",
                        contentText: "Ani",
                        onClick: [
                            {
                                "##eventHandlerType": "Set State",
                                parameters: {
                                    path: "selected",
                                    value: "Animals"
                                }
                            }
                        ]
                    }
                },
                {
                    control: {
                        _component: "components/nav",
                        hideNavBar: true,
                        selectedItem: {
                            "##bbstate":"selected",
                            "##bbsource":"store",
                            "##bbstatefallback": "Animals"
                        },
                        items: [
                            {
                                title: "People",
                                component: {
                                    _component: "components/panel",
                                    text:"People Panel",
                                    padding: "40px",
                                    border: "2px solid pink",
                                    background: "mistyrose"
                
                                }
                            },
                            {
                                title: "Animals",
                                component: {
                                    _component: "components/panel",
                                    text:"Animals Panel",
                                    padding: "40px",
                                    border: "2px solid green",
                                    background: "azure"
                                }
                            }
                        ]
                    }
                }
            ]
        }

    };

    /* src\Test\TestApp.svelte generated by Svelte v3.12.1 */

    const file$b = "src\\Test\\TestApp.svelte";

    // (1:0) <script> import createApp from "./createApp"; import { props }
    function create_catch_block(ctx) {
    	const block = {
    		c: noop,
    		l: noop,
    		m: noop,
    		p: noop,
    		d: noop
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_catch_block.name, type: "catch", source: "(1:0) <script> import createApp from \"./createApp\"; import { props }", ctx });
    	return block;
    }

    // (26:0) {:then _bb}
    function create_then_block(ctx) {
    	var div;

    	const block = {
    		c: function create() {
    			div = element("div");
    			this.h();
    		},

    		l: function claim(nodes) {
    			div = claim_element(nodes, "DIV", { id: true, class: true }, false);
    			var div_nodes = children(div);

    			div_nodes.forEach(detach_dev);
    			this.h();
    		},

    		h: function hydrate() {
    			attr_dev(div, "id", "current_component");
    			attr_dev(div, "class", "svelte-1xqz9vm");
    			add_location(div, file$b, 27, 0, 373);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, div, anchor);
    			ctx.div_binding(div);
    		},

    		p: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(div);
    			}

    			ctx.div_binding(null);
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_then_block.name, type: "then", source: "(26:0) {:then _bb}", ctx });
    	return block;
    }

    // (24:20)  loading {:then _bb}
    function create_pending_block(ctx) {
    	var t;

    	const block = {
    		c: function create() {
    			t = text("loading");
    		},

    		l: function claim(nodes) {
    			t = claim_text(nodes, "loading");
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, t, anchor);
    		},

    		p: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(t);
    			}
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_pending_block.name, type: "pending", source: "(24:20)  loading {:then _bb}", ctx });
    	return block;
    }

    function create_fragment$a(ctx) {
    	var await_block_anchor, promise;

    	let info = {
    		ctx,
    		current: null,
    		token: null,
    		pending: create_pending_block,
    		then: create_then_block,
    		catch: create_catch_block,
    		value: '_bb',
    		error: 'null'
    	};

    	handle_promise(promise = ctx._appPromise, info);

    	const block = {
    		c: function create() {
    			await_block_anchor = empty();

    			info.block.c();
    		},

    		l: function claim(nodes) {
    			await_block_anchor = empty();

    			info.block.l(nodes);
    		},

    		m: function mount(target, anchor) {
    			insert_dev(target, await_block_anchor, anchor);

    			info.block.m(target, info.anchor = anchor);
    			info.mount = () => await_block_anchor.parentNode;
    			info.anchor = await_block_anchor;
    		},

    		p: function update(changed, new_ctx) {
    			ctx = new_ctx;
    			info.block.p(changed, assign(assign({}, ctx), info.resolved));
    		},

    		i: noop,
    		o: noop,

    		d: function destroy(detaching) {
    			if (detaching) {
    				detach_dev(await_block_anchor);
    			}

    			info.block.d(detaching);
    			info.token = null;
    			info = null;
    		}
    	};
    	dispatch_dev("SvelteRegisterBlock", { block, id: create_fragment$a.name, type: "component", source: "", ctx });
    	return block;
    }

    function instance$a($$self, $$props, $$invalidate) {
    	

    let _bb;

    const _appPromise = createApp$1();
    _appPromise.then(a => $$invalidate('_bb', _bb = a));

    const testProps = props.table;

    let currentComponent;

    	function div_binding($$value) {
    		binding_callbacks[$$value ? 'unshift' : 'push'](() => {
    			$$invalidate('currentComponent', currentComponent = $$value);
    		});
    	}

    	$$self.$capture_state = () => {
    		return {};
    	};

    	$$self.$inject_state = $$props => {
    		if ('_bb' in $$props) $$invalidate('_bb', _bb = $$props._bb);
    		if ('currentComponent' in $$props) $$invalidate('currentComponent', currentComponent = $$props.currentComponent);
    	};

    	$$self.$$.update = ($$dirty = { _bb: 1, currentComponent: 1 }) => {
    		if ($$dirty._bb || $$dirty.currentComponent) { {
                if(_bb && currentComponent) {
                    _bb.hydrateComponent(testProps, currentComponent);
                }
            } }
    	};

    	return {
    		_appPromise,
    		currentComponent,
    		div_binding
    	};
    }

    class TestApp extends SvelteComponentDev {
    	constructor(options) {
    		super(options);
    		init(this, options, instance$a, create_fragment$a, safe_not_equal, []);
    		dispatch_dev("SvelteRegisterComponent", { component: this, tagName: "TestApp", options, id: create_fragment$a.name });
    	}
    }

    const app = new TestApp({
    	target: document.body,
    });

    return app;

}());
//# sourceMappingURL=bundle.js.map