mirror of
https://github.com/SchildiChat/element-web.git
synced 2024-10-01 01:26:12 -04:00
724 lines
35 KiB
JavaScript
724 lines
35 KiB
JavaScript
/* eslint-disable quote-props */
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const dotenv = require("dotenv");
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const path = require("path");
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const webpack = require("webpack");
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const HtmlWebpackPlugin = require("html-webpack-plugin");
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const MiniCssExtractPlugin = require("mini-css-extract-plugin");
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const TerserPlugin = require("terser-webpack-plugin");
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const OptimizeCSSAssetsPlugin = require("optimize-css-assets-webpack-plugin");
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const HtmlWebpackInjectPreload = require("@principalstudio/html-webpack-inject-preload");
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const SentryCliPlugin = require("@sentry/webpack-plugin");
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// Environment variables
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// RIOT_OG_IMAGE_URL: specifies the URL to the image which should be used for the opengraph logo.
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// CSP_EXTRA_SOURCE: specifies a URL which should be appended to each CSP directive which uses 'self',
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// this can be helpful if your deployment has redirects for old bundles, such as develop.element.io.
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dotenv.config();
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let ogImageUrl = process.env.RIOT_OG_IMAGE_URL;
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if (!ogImageUrl) ogImageUrl = "https://app.element.io/themes/element/img/logos/opengraph.png";
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if (!process.env.VERSION) {
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console.warn("Unset VERSION variable - this may affect build output");
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process.env.VERSION = "!!UNSET!!";
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}
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const cssThemes = {
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// CSS themes
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"theme-legacy-light": "./node_modules/matrix-react-sdk/res/themes/legacy-light/css/legacy-light.pcss",
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"theme-legacy-dark": "./node_modules/matrix-react-sdk/res/themes/legacy-dark/css/legacy-dark.pcss",
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"theme-light": "./node_modules/matrix-react-sdk/res/themes/light/css/light.pcss",
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"theme-light-high-contrast":
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"./node_modules/matrix-react-sdk/res/themes/light-high-contrast/css/light-high-contrast.pcss",
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"theme-dark": "./node_modules/matrix-react-sdk/res/themes/dark/css/dark.pcss",
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"theme-light-custom": "./node_modules/matrix-react-sdk/res/themes/light-custom/css/light-custom.pcss",
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"theme-dark-custom": "./node_modules/matrix-react-sdk/res/themes/dark-custom/css/dark-custom.pcss",
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};
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function getActiveThemes() {
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// Default to `light` theme when the MATRIX_THEMES environment variable is not defined.
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const theme = process.env.MATRIX_THEMES ?? "light";
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return theme
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.split(",")
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.map((x) => x.trim())
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.filter(Boolean);
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}
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// See docs/customisations.md
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let fileOverrides = {
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/* {[file: string]: string} */
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};
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try {
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fileOverrides = require("./customisations.json");
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// stringify the output so it appears in logs correctly, as large files can sometimes get
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// represented as `<Object>` which is less than helpful.
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console.log("Using customisations.json : " + JSON.stringify(fileOverrides, null, 4));
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} catch (e) {
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// ignore - not important
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}
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function parseOverridesToReplacements(overrides) {
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return Object.entries(overrides).map(([oldPath, newPath]) => {
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return new webpack.NormalModuleReplacementPlugin(
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// because the input is effectively defined by the person running the build, we don't
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// need to do anything special to protect against regex overrunning, etc.
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new RegExp(oldPath.replace(/\//g, "[\\/\\\\]").replace(/\./g, "\\.")),
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path.resolve(__dirname, newPath),
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);
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});
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}
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const moduleReplacementPlugins = [
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...parseOverridesToReplacements(require("./components.json")),
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// Allow customisations to override the default components too
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...parseOverridesToReplacements(fileOverrides),
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];
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module.exports = (env, argv) => {
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// Establish settings based on the environment and args.
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//
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// argv.mode is always set to "production" by yarn build
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// (called to build prod, nightly and develop.element.io)
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// arg.mode is set to "development" by yarn start
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// (called by developers, runs the continuous reload script)
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// process.env.CI_PACKAGE is set when yarn build is called from scripts/ci_package.sh
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// (called to build nightly and develop.element.io)
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const nodeEnv = argv.mode;
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const devMode = nodeEnv !== "production";
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const useHMR = process.env.CSS_HOT_RELOAD === "1" && devMode;
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const enableMinification = !devMode && !process.env.CI_PACKAGE;
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const development = {};
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if (devMode) {
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// High quality, embedded source maps for dev builds
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development["devtool"] = "eval-source-map";
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} else {
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if (process.env.CI_PACKAGE) {
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// High quality source maps in separate .map files which include the source. This doesn't bulk up the .js
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// payload file size, which is nice for performance but also necessary to get the bundle to a small enough
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// size that sentry will accept the upload.
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development["devtool"] = "source-map";
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} else {
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// High quality source maps in separate .map files which don't include the source
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development["devtool"] = "nosources-source-map";
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}
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}
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// Resolve the directories for the react-sdk and js-sdk for later use. We resolve these early, so we
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// don't have to call them over and over. We also resolve to the package.json instead of the src
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// directory, so we don't have to rely on an index.js or similar file existing.
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const reactSdkSrcDir = path.resolve(require.resolve("matrix-react-sdk/package.json"), "..", "src");
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const jsSdkSrcDir = path.resolve(require.resolve("matrix-js-sdk/package.json"), "..", "src");
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const ACTIVE_THEMES = getActiveThemes();
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function getThemesImports() {
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const imports = ACTIVE_THEMES.map((t) => {
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return cssThemes[`theme-${t}`].replace("./node_modules/", ""); // theme import path
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});
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const s = JSON.stringify(ACTIVE_THEMES);
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return `
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window.MX_insertedThemeStylesCounter = 0;
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window.MX_DEV_ACTIVE_THEMES = (${s});
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${imports.map((i) => `import("${i}")`).join("\n")};
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`;
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}
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return {
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...development,
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node: {
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// Mock out the NodeFS module: The opus decoder imports this wrongly.
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fs: "empty",
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net: "empty",
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tls: "empty",
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crypto: "empty",
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},
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entry: {
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bundle: "./src/vector/index.ts",
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mobileguide: "./src/vector/mobile_guide/index.ts",
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jitsi: "./src/vector/jitsi/index.ts",
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usercontent: "./node_modules/matrix-react-sdk/src/usercontent/index.ts",
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...(useHMR ? {} : cssThemes),
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},
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optimization: {
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// Put all of our CSS into one useful place - this is needed for MiniCssExtractPlugin.
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// Previously we used a different extraction plugin that did this magic for us, but
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// now we need to consider that the CSS needs to be bundled up together.
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splitChunks: {
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cacheGroups: {
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styles: {
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name: "styles",
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test: /\.css$/,
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enforce: true,
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// Do not add `chunks: 'all'` here because you'll break the app entry point.
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},
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default: {
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reuseExistingChunk: true,
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},
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},
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},
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// This fixes duplicate files showing up in chrome with sourcemaps enabled.
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// See https://github.com/webpack/webpack/issues/7128 for more info.
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namedModules: false,
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// Minification is normally enabled by default for webpack in production mode, but
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// we use a CSS optimizer too and need to manage it ourselves.
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minimize: enableMinification,
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minimizer: enableMinification ? [new TerserPlugin({}), new OptimizeCSSAssetsPlugin({})] : [],
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// Set the value of `process.env.NODE_ENV` for libraries like React
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// See also https://v4.webpack.js.org/configuration/optimization/#optimizationnodeenv
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nodeEnv,
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},
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resolve: {
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// We define an alternative import path so we can safely use src/ across the react-sdk
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// and js-sdk. We already import from src/ where possible to ensure our source maps are
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// extremely accurate (and because we're capable of compiling the layers manually rather
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// than relying on partially-mangled output from babel), though we do need to fix the
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// package level import (stuff like `import {Thing} from "matrix-js-sdk"` for example).
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// We can't use the aliasing down below to point at src/ because that'll fail to resolve
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// the package.json for the dependency. Instead, we rely on the package.json of each
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// layer to have our custom alternate fields to load things in the right order. These are
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// the defaults of webpack prepended with `matrix_src_`.
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mainFields: ["matrix_src_browser", "matrix_src_main", "browser", "main"],
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aliasFields: ["matrix_src_browser", "browser"],
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// We need to specify that TS can be resolved without an extension
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extensions: [".js", ".json", ".ts", ".tsx"],
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alias: {
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// alias any requires to the react module to the one in our path,
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// otherwise we tend to get the react source included twice when
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// using `npm link` / `yarn link`.
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"react": path.resolve(__dirname, "node_modules/react"),
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"react-dom": path.resolve(__dirname, "node_modules/react-dom"),
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// Same goes for js/react-sdk - we don't need two copies.
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"matrix-js-sdk": path.resolve(__dirname, "node_modules/matrix-js-sdk"),
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"matrix-react-sdk": path.resolve(__dirname, "node_modules/matrix-react-sdk"),
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// and sanitize-html
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"sanitize-html": path.resolve(__dirname, "node_modules/sanitize-html"),
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// Define a variable so the i18n stuff can load
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"$webapp": path.resolve(__dirname, "webapp"),
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},
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},
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module: {
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noParse: [
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// for cross platform compatibility use [\\\/] as the path separator
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// this ensures that the regex trips on both Windows and *nix
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// don't parse the languages within highlight.js. They cause stack
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// overflows (https://github.com/webpack/webpack/issues/1721), and
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// there is no need for webpack to parse them - they can just be
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// included as-is.
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/highlight\.js[\\/]lib[\\/]languages/,
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// olm takes ages for webpack to process, and it's already heavily
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// optimised, so there is little to gain by us uglifying it.
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/olm[\\/](javascript[\\/])?olm\.js$/,
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],
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rules: [
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useHMR && {
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test: /devcss\.ts$/,
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loader: "string-replace-loader",
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options: {
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search: '"use theming";',
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replace: getThemesImports(),
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},
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},
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{
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test: /\.worker\.ts$/,
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loader: "worker-loader",
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},
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{
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test: /\.(ts|js)x?$/,
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include: (f) => {
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// our own source needs babel-ing
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if (f.startsWith(path.resolve(__dirname, "src"))) return true;
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// we use the original source files of react-sdk and js-sdk, so we need to
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// run them through babel. Because the path tested is the resolved, absolute
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// path, these could be anywhere thanks to yarn link. We must also not
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// include node modules inside these modules, so we add 'src'.
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if (f.startsWith(reactSdkSrcDir)) return true;
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if (f.startsWith(jsSdkSrcDir)) return true;
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// but we can't run all of our dependencies through babel (many of them still
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// use module.exports which breaks if babel injects an 'include' for its
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// polyfills: probably fixable but babeling all our dependencies is probably
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// not necessary anyway). So, for anything else, don't babel.
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return false;
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},
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loader: "babel-loader",
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options: {
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cacheDirectory: true,
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},
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},
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{
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test: /\.css$/,
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use: [
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MiniCssExtractPlugin.loader,
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{
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loader: "css-loader",
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options: {
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importLoaders: 1,
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sourceMap: true,
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},
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},
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{
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loader: "postcss-loader",
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ident: "postcss",
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options: {
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"sourceMap": true,
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"plugins": () => [
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// Note that we use significantly fewer plugins on the plain
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// CSS parser. If we start to parse plain CSS, we end with all
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// kinds of nasty problems (like stylesheets not loading).
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//
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// You might have noticed that we're also sending regular CSS
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// through PostCSS. This looks weird, and in fact is probably
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// not what you'd expect, however in order for our CSS build
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// to work nicely we have to do this. Because down the line
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// our SCSS stylesheets reference plain CSS we have to load
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// the plain CSS through PostCSS so it can find it safely. This
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// also acts like a babel-for-css by transpiling our (S)CSS
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// down/up to the right browser support (prefixes, etc).
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// Further, if we don't do this then PostCSS assumes that our
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// plain CSS is SCSS and it really doesn't like that, even
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// though plain CSS should be compatible. The chunking options
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// at the top of this webpack config help group the SCSS and
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// plain CSS together for the bundler.
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require("postcss-simple-vars")(),
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require("postcss-hexrgba")(),
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// It's important that this plugin is last otherwise we end
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// up with broken CSS.
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require("postcss-preset-env")({ stage: 3, browsers: "last 2 versions" }),
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],
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"parser": "postcss-scss",
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"local-plugins": true,
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},
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},
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],
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},
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{
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test: /\.pcss$/,
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use: [
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/**
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* This code is hopeful that no .pcss outside of our themes will be directly imported in any
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* of the JS/TS files.
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* Should be MUCH better with webpack 5, but we're stuck to this solution for now.
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*/
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useHMR
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? {
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loader: "style-loader",
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/**
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* If we refactor the `theme.js` in `matrix-react-sdk` a little bit,
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* we could try using `lazyStyleTag` here to add and remove styles on demand,
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* that would nicely resolve issues of race conditions for themes,
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* at least for development purposes.
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*/
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options: {
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insert: function insertBeforeAt(element) {
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const parent = document.querySelector("head");
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// We're in iframe
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if (!window.MX_DEV_ACTIVE_THEMES) {
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parent.appendChild(element);
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return;
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}
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// Properly disable all other instances of themes
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element.disabled = true;
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element.onload = () => {
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element.disabled = true;
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};
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const theme =
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window.MX_DEV_ACTIVE_THEMES[window.MX_insertedThemeStylesCounter];
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element.setAttribute("data-mx-theme", theme);
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window.MX_insertedThemeStylesCounter++;
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parent.appendChild(element);
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},
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},
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}
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: MiniCssExtractPlugin.loader,
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{
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loader: "css-loader",
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options: {
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importLoaders: 1,
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sourceMap: true,
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},
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},
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{
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loader: "postcss-loader",
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ident: "postcss",
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options: {
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"sourceMap": true,
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"plugins": () => [
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// Note that we use slightly different plugins for PostCSS.
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require("postcss-import")(),
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require("postcss-mixins")(),
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require("postcss-simple-vars")(),
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require("postcss-nested")(),
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require("postcss-easings")(),
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require("postcss-hexrgba")(),
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// It's important that this plugin is last otherwise we end
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// up with broken CSS.
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require("postcss-preset-env")({ stage: 3, browsers: "last 2 versions" }),
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],
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"parser": "postcss-scss",
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"local-plugins": true,
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},
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},
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],
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},
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{
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// the olm library wants to load its own wasm, rather than have webpack do it.
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// We therefore use the `file-loader` to tell webpack to dump the contents to
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// a separate file and return the name, and override the default `type` for `.wasm` files
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// (which is `webassembly/experimental` under webpack 4) to stop webpack trying to interpret
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// the filename as webassembly. (see also https://github.com/webpack/webpack/issues/6725)
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test: /olm\.wasm$/,
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loader: "file-loader",
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type: "javascript/auto",
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options: {
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name: "[name].[hash:7].[ext]",
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outputPath: ".",
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},
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},
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{
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// Fix up the name of the opus-recorder worker (react-sdk dependency).
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// We more or less just want it to be clear it's for opus and not something else.
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test: /encoderWorker\.min\.js$/,
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loader: "file-loader",
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type: "javascript/auto",
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options: {
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// We deliberately override the name so it makes sense in debugging
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name: "opus-encoderWorker.min.[hash:7].[ext]",
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outputPath: ".",
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},
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},
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{
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// Special case the recorder worklet as it can't end up HMR'd, but the worker-loader
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// isn't good enough for us. Note that the worklet-loader is listed as "do not use",
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// however it seems to work fine for our purposes.
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test: /RecorderWorklet\.ts$/,
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type: "javascript/auto",
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use: [
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// executed last -> first, for some reason.
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{
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loader: "worklet-loader",
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options: {
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// Override name so we know what it is in the output.
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name: "recorder-worklet.[hash:7].js",
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},
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},
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{
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// TS -> JS because the worklet-loader won't do this for us.
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loader: "babel-loader",
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},
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],
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},
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{
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// This is from the same place as the encoderWorker above, but only needed
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// for Safari support.
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test: /decoderWorker\.min\.js$/,
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loader: "file-loader",
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type: "javascript/auto", // https://github.com/webpack/webpack/issues/6725
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options: {
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// We deliberately override the name so it makes sense in debugging
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name: "opus-decoderWorker.min.[hash:7].[ext]",
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outputPath: ".",
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},
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},
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{
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// Same deal as olm.wasm: the decoderWorker wants to load the wasm artifact
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// itself.
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test: /decoderWorker\.min\.wasm$/,
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loader: "file-loader",
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type: "javascript/auto",
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options: {
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// We deliberately don't change the name because the decoderWorker has this
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// hardcoded. This is here to avoid the default wasm rule from adding a hash.
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name: "decoderWorker.min.wasm",
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outputPath: ".",
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},
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},
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{
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// This is from the same place as the encoderWorker above, but only needed
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// for Safari support.
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test: /waveWorker\.min\.js$/,
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loader: "file-loader",
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type: "javascript/auto", // https://github.com/webpack/webpack/issues/6725
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options: {
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// We deliberately override the name so it makes sense in debugging
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name: "wave-encoderWorker.min.[hash:7].[ext]",
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outputPath: ".",
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},
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},
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{
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// cache-bust languages.json file placed in
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// element-web/webapp/i18n during build by copy-res.js
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test: /\.*languages.json$/,
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type: "javascript/auto",
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loader: "file-loader",
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options: {
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name: "i18n/[name].[hash:7].[ext]",
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},
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},
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{
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test: /\.svg$/,
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issuer: /\.(js|ts|jsx|tsx|html)$/,
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use: [
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{
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loader: "@svgr/webpack",
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options: {
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namedExport: "Icon",
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svgProps: {
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"role": "presentation",
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"aria-hidden": true,
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},
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// props set on the svg will override defaults
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expandProps: "end",
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svgoConfig: {
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plugins: {
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// generates a viewbox if missing
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removeDimensions: true,
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},
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},
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esModule: false,
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name: "[name].[hash:7].[ext]",
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outputPath: getAssetOutputPath,
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publicPath: function (url, resourcePath) {
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const outputPath = getAssetOutputPath(url, resourcePath);
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return toPublicPath(outputPath);
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},
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},
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},
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{
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loader: "file-loader",
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options: {
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esModule: false,
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name: "[name].[hash:7].[ext]",
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outputPath: getAssetOutputPath,
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publicPath: function (url, resourcePath) {
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const outputPath = getAssetOutputPath(url, resourcePath);
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return toPublicPath(outputPath);
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},
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},
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},
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],
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},
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{
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test: /\.svg$/,
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issuer: /\.(pcss|scss|css)$/,
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use: [
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{
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loader: "file-loader",
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options: {
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esModule: false,
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name: "[name].[hash:7].[ext]",
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outputPath: getAssetOutputPath,
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publicPath: function (url, resourcePath) {
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// CSS image usages end up in the `bundles/[hash]` output
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// directory, so we adjust the final path to navigate up
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// twice.
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const outputPath = getAssetOutputPath(url, resourcePath);
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return toPublicPath(path.join("../..", outputPath));
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},
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},
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},
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],
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},
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{
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test: /\.(gif|png|ttf|woff|woff2|xml|ico)$/,
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// Use a content-based hash in the name so that we can set a long cache
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// lifetime for assets while still delivering changes quickly.
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oneOf: [
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{
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// Assets referenced in CSS files
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issuer: /\.(pcss|scss|css)$/,
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loader: "file-loader",
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options: {
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esModule: false,
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name: "[name].[hash:7].[ext]",
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outputPath: getAssetOutputPath,
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publicPath: function (url, resourcePath) {
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// CSS image usages end up in the `bundles/[hash]` output
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// directory, so we adjust the final path to navigate up
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// twice.
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const outputPath = getAssetOutputPath(url, resourcePath);
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return toPublicPath(path.join("../..", outputPath));
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},
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},
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},
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{
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// Assets referenced in HTML and JS files
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loader: "file-loader",
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options: {
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esModule: false,
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name: "[name].[hash:7].[ext]",
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outputPath: getAssetOutputPath,
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publicPath: function (url, resourcePath) {
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const outputPath = getAssetOutputPath(url, resourcePath);
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return toPublicPath(outputPath);
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},
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},
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},
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],
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},
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].filter(Boolean),
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},
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plugins: [
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...moduleReplacementPlugins,
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// This exports our CSS using the splitChunks and loaders above.
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new MiniCssExtractPlugin({
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filename: useHMR ? "bundles/[name].css" : "bundles/[hash]/[name].css",
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chunkFilename: useHMR ? "bundles/[name].css" : "bundles/[hash]/[name].css",
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ignoreOrder: false, // Enable to remove warnings about conflicting order
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}),
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// This is the app's main entry point.
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new HtmlWebpackPlugin({
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template: "./src/vector/index.html",
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// we inject the links ourselves via the template, because
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// HtmlWebpackPlugin will screw up our formatting like the names
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// of the themes and which chunks we actually care about.
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inject: false,
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excludeChunks: ["mobileguide", "usercontent", "jitsi"],
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minify: false,
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templateParameters: {
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og_image_url: ogImageUrl,
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csp_extra_source: process.env.CSP_EXTRA_SOURCE ?? "",
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},
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}),
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// This is the jitsi widget wrapper (embedded, so isolated stack)
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new HtmlWebpackPlugin({
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template: "./src/vector/jitsi/index.html",
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filename: "jitsi.html",
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minify: false,
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chunks: ["jitsi"],
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}),
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// This is the mobile guide's entry point (separate for faster mobile loading)
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new HtmlWebpackPlugin({
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template: "./src/vector/mobile_guide/index.html",
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filename: "mobile_guide/index.html",
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minify: false,
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chunks: ["mobileguide"],
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}),
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// These are the static error pages for when the javascript env is *really unsupported*
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new HtmlWebpackPlugin({
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template: "./src/vector/static/unable-to-load.html",
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filename: "static/unable-to-load.html",
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minify: false,
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chunks: [],
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}),
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new HtmlWebpackPlugin({
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template: "./src/vector/static/incompatible-browser.html",
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filename: "static/incompatible-browser.html",
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minify: false,
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chunks: [],
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}),
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// This is the usercontent sandbox's entry point (separate for iframing)
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new HtmlWebpackPlugin({
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template: "./node_modules/matrix-react-sdk/src/usercontent/index.html",
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filename: "usercontent/index.html",
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minify: false,
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chunks: ["usercontent"],
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}),
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new HtmlWebpackInjectPreload({
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files: [{ match: /.*Inter.*\.woff2$/ }],
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}),
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// upload to sentry if sentry env is present
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process.env.SENTRY_DSN &&
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new SentryCliPlugin({
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release: process.env.VERSION,
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include: "./webapp/bundles",
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errorHandler: (err, invokeErr, compilation) => {
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compilation.warnings.push("Sentry CLI Plugin: " + err.message);
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console.log(`::warning title=Sentry error::${err.message}`);
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},
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}),
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new webpack.EnvironmentPlugin(["VERSION"]),
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].filter(Boolean),
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output: {
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path: path.join(__dirname, "webapp"),
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// The generated JS (and CSS, from the extraction plugin) are put in a
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// unique subdirectory for the build. There will only be one such
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// 'bundle' directory in the generated tarball; however, hosting
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// servers can collect 'bundles' from multiple versions into one
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// directory and symlink it into place - this allows users who loaded
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// an older version of the application to continue to access webpack
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// chunks even after the app is redeployed.
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filename: "bundles/[hash]/[name].js",
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chunkFilename: "bundles/[hash]/[name].js",
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webassemblyModuleFilename: "bundles/[hash]/[modulehash].wasm",
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},
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// configuration for the webpack-dev-server
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devServer: {
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// serve unwebpacked assets from webapp.
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contentBase: ["./webapp"],
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// Only output errors, warnings, or new compilations.
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// This hides the massive list of modules.
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stats: "minimal",
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hotOnly: true,
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inline: true,
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},
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};
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};
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/**
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* Merge assets found via CSS and imports into a single tree, while also preserving
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* directories under e.g. `res` or similar.
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*
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* @param {string} url The adjusted name of the file, such as `warning.1234567.svg`.
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* @param {string} resourcePath The absolute path to the source file with unmodified name.
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* @return {string} The returned paths will look like `img/warning.1234567.svg`.
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*/
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function getAssetOutputPath(url, resourcePath) {
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// `res` is the parent dir for our own assets in various layers
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// `dist` is the parent dir for KaTeX assets
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const prefix = /^.*[/\\](dist|res)[/\\]/;
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if (!resourcePath.match(prefix)) {
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throw new Error(`Unexpected asset path: ${resourcePath}`);
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}
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let outputDir = path.dirname(resourcePath).replace(prefix, "");
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if (resourcePath.includes("KaTeX")) {
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// Add a clearly named directory segment, rather than leaving the KaTeX
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// assets loose in each asset type directory.
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outputDir = path.join(outputDir, "KaTeX");
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}
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return path.join(outputDir, path.basename(url));
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}
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/**
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* Convert path to public path format, which always uses forward slashes, since it will
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* be placed directly into things like CSS files.
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*
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* @param {string} path Some path to a file.
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* @returns {string} converted path
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*/
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function toPublicPath(path) {
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return path.replace(/\\/g, "/");
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}
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