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budibase/packages/client/src/components/ClientApp.svelte

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Svelte
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<script>
import { writable } from "svelte/store"
import { setContext, onMount } from "svelte"
import Component from "./Component.svelte"
import NotificationDisplay from "./NotificationDisplay.svelte"
import ConfirmationDisplay from "./ConfirmationDisplay.svelte"
import PeekScreenDisplay from "./PeekScreenDisplay.svelte"
import Provider from "./Provider.svelte"
import SDK from "../sdk"
import {
createContextStore,
initialise,
screenStore,
authStore,
routeStore,
builderStore,
appStore,
} from "../store"
import { TableNames, ActionTypes } from "../constants"
import SettingsBar from "./preview/SettingsBar.svelte"
import SelectionIndicator from "./preview/SelectionIndicator.svelte"
import HoverIndicator from "./preview/HoverIndicator.svelte"
import { Layout, Heading, Body } from "@budibase/bbui"
import ErrorSVG from "../../../builder/assets/error.svg"
// Provide contexts
setContext("sdk", SDK)
setContext("component", writable({}))
setContext("context", createContextStore())
let dataLoaded = false
let permissionError = false
// Load app config
onMount(async () => {
await initialise()
await authStore.actions.fetchUser()
dataLoaded = true
if ($builderStore.inBuilder) {
builderStore.actions.notifyLoaded()
}
})
// Register this as a refreshable datasource so that user changes cause
// the user object to be refreshed
$: actions = [
{
type: ActionTypes.RefreshDatasource,
callback: () => authStore.actions.fetchUser(),
metadata: { dataSource: { type: "table", tableId: TableNames.USERS } },
},
]
// Handle no matching route - this is likely a permission error
$: {
if (dataLoaded && $routeStore.routerLoaded && !$routeStore.activeRoute) {
if ($authStore) {
// There is a logged in user, so handle them
if ($screenStore.screens.length) {
// Screens exist so navigate back to the home screen
const firstRoute = $screenStore.screens[0].routing?.route ?? "/"
routeStore.actions.navigate(firstRoute)
} else {
// No screens likely means the user has no permissions to view this app
permissionError = true
}
} else {
// The user is not logged in, redirect them to login
const returnUrl = `${window.location.pathname}${window.location.hash}`
const encodedUrl = encodeURIComponent(returnUrl)
window.location = `/builder/auth/login?returnUrl=${encodedUrl}`
}
}
}
$: themeClass =
$builderStore.theme || $appStore.application?.theme || "spectrum--light"
</script>
{#if dataLoaded}
<div
id="spectrum-root"
lang="en"
dir="ltr"
class="spectrum spectrum--medium {themeClass}"
>
{#if permissionError}
<div class="error">
<Layout justifyItems="center" gap="S">
{@html ErrorSVG}
<Heading size="L">You don't have permission to use this app</Heading>
<Body size="S">Ask your administrator to grant you access</Body>
</Layout>
</div>
{:else if $screenStore.activeLayout}
<Provider key="user" data={$authStore} {actions}>
<div id="app-root" class:preview={$builderStore.inBuilder}>
{#key $screenStore.activeLayout._id}
<Component instance={$screenStore.activeLayout.props} />
{/key}
</div>
<NotificationDisplay />
<ConfirmationDisplay />
<PeekScreenDisplay />
<!-- Key block needs to be outside the if statement or it breaks -->
{#key $builderStore.selectedComponentId}
{#if $builderStore.inBuilder}
<SettingsBar />
{/if}
{/key}
<!--
We don't want to key these by componentID as they control their own
re-mounting to avoid flashes.
-->
{#if $builderStore.inBuilder}
<SelectionIndicator />
<HoverIndicator />
{/if}
</Provider>
{/if}
</div>
{/if}
<style>
#spectrum-root,
#app-root {
height: 100%;
width: 100%;
padding: 0;
margin: 0;
overflow: hidden;
}
#app-root {
position: relative;
}
#app-root.preview {
border: 1px solid var(--spectrum-global-color-gray-300);
}
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/* Custom scrollbars */
:global(::-webkit-scrollbar) {
width: 8px;
height: 8px;
}
:global(::-webkit-scrollbar-track) {
background: var(--spectrum-alias-background-color-default);
}
:global(::-webkit-scrollbar-thumb) {
background-color: var(--spectrum-global-color-gray-400);
border-radius: 4px;
}
:global(::-webkit-scrollbar-corner) {
background: var(--spectrum-alias-background-color-default);
}
:global(*) {
scrollbar-width: thin;
scrollbar-color: var(--spectrum-global-color-gray-400)
var(--spectrum-alias-background-color-default);
}
.error {
position: absolute;
width: 100%;
height: 100%;
display: grid;
place-items: center;
z-index: 1;
text-align: center;
padding: 20px;
}
.error :global(svg) {
fill: var(--spectrum-global-color-gray-500);
width: 80px;
height: 80px;
}
.error :global(h1),
.error :global(p) {
color: var(--spectrum-global-color-gray-800);
}
.error :global(p) {
font-style: italic;
margin-top: -0.5em;
}
.error :global(h1) {
font-weight: 400;
}
</style>