appwrite/public/scripts/views/forms/copy.js

(function (window) {
    "use strict";

    window.ls.container.get('view').add(
        {
            selector: 'data-forms-copy',
            controller: function(element, alerts, document, window) {
                var button      = window.document.createElement('i');

                button.type = 'button';
                button.className = 'icon-docs note copy';
                button.style.cursor = 'pointer';

                element.parentNode.insertBefore(button, element.nextSibling);

                var copy = function(event) {
                    element.disabled = false;
                    
                    element.focus();
                    element.select();
                    
                    document.execCommand('Copy');

                    if (document.selection) {
                        document.selection.empty();
                    }
                    else if (window.getSelection) {
                        window.getSelection().removeAllRanges();
                    }

                    element.disabled = true;
                    
                    alerts.add({text: 'Copied to clipboard', class: ''}, 3000);
                };

                button.addEventListener('click', copy);
            }
        }
    );

})(window);