111 lines
3.8 KiB
JavaScript
111 lines
3.8 KiB
JavaScript
'use strict';
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// Isomorphic script that runs in the browser and on the server for SSR (needs
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// browser context) that renders Hydrogen to the `document.body`.
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//
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// Data is passed in via `window.matrixViewerContext`
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const assert = require('matrix-viewer-shared/lib/assert');
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const { Platform, Navigation, createRouter } = require('hydrogen-view-sdk');
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const MatrixViewerURLCreator = require('matrix-viewer-shared/lib/url-creator');
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const MatrixViewerHistory = require('matrix-viewer-shared/lib/matrix-viewer-history');
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const supressBlankAnchorsReloadingThePage = require('matrix-viewer-shared/lib/supress-blank-anchors-reloading-the-page');
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const redirectIfRoomAliasInHash = require('matrix-viewer-shared/lib/redirect-if-room-alias-in-hash');
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const RoomDirectoryView = require('matrix-viewer-shared/views/RoomDirectoryView');
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const RoomDirectoryViewModel = require('matrix-viewer-shared/viewmodels/RoomDirectoryViewModel');
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const rooms = window.matrixViewerContext.rooms;
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assert(rooms);
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const roomFetchError = window.matrixViewerContext.roomFetchError;
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const nextPaginationToken = window.matrixViewerContext.nextPaginationToken;
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const prevPaginationToken = window.matrixViewerContext.prevPaginationToken;
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const pageSearchParameters = window.matrixViewerContext.pageSearchParameters;
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const config = window.matrixViewerContext.config;
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assert(config);
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assert(config.matrixServerUrl);
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assert(config.matrixServerName);
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assert(config.basePath);
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const matrixViewerURLCreator = new MatrixViewerURLCreator(config.basePath);
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supressBlankAnchorsReloadingThePage();
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let roomDirectoryViewModel;
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let isRedirecting = false;
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isRedirecting = redirectIfRoomAliasInHash(matrixViewerURLCreator, () => {
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isRedirecting = true;
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if (roomDirectoryViewModel) {
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roomDirectoryViewModel.setPageRedirectingFromUrlHash(true);
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}
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});
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async function mountHydrogen() {
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console.log('Mounting Hydrogen...');
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console.time('Completed mounting Hydrogen');
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const appElement = document.querySelector('#app');
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const platformConfig = {};
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const assetPaths = {};
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const platform = new Platform({
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container: appElement,
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assetPaths,
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config: platformConfig,
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options: { development: true },
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});
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function allowsChild(parent, child) {
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const { type } = child;
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switch (parent?.type) {
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case undefined:
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// allowed root segments
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return type === 'add-server';
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default:
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return false;
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}
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}
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const navigation = new Navigation(allowsChild);
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platform.setNavigation(navigation);
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const matrixViewerHistory = new MatrixViewerHistory(`#`);
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const urlRouter = createRouter({
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navigation,
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history: matrixViewerHistory,
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});
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// Make it listen to changes from the history instance. And populate the
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// `Navigation` with path segments to work from so `href`'s rendered on the
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// page don't say `undefined`.
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urlRouter.attach();
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roomDirectoryViewModel = new RoomDirectoryViewModel({
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// Hydrogen options
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navigation: navigation,
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urlRouter: urlRouter,
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history: matrixViewerHistory,
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// Our options
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basePath: config.basePath,
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homeserverUrl: config.matrixServerUrl,
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homeserverName: config.matrixServerName,
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matrixViewerURLCreator,
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rooms,
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roomFetchError,
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pageSearchParameters,
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nextPaginationToken,
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prevPaginationToken,
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});
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// Update the model with the initial value
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roomDirectoryViewModel.setPageRedirectingFromUrlHash(isRedirecting);
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const view = new RoomDirectoryView(roomDirectoryViewModel);
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appElement.replaceChildren(view.mount());
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console.timeEnd('Completed mounting Hydrogen');
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}
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// N.B.: When we run this in a virtual machine (`vm`), it will return the last
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// statement. It's important to leave this as the last statement so we can await
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// the promise it returns and signal that all of the async tasks completed.
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mountHydrogen();
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