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"@babel/preset-env": "7.23.6", "@babel/preset-react": "7.23.3", "@canalplus/readme.doc": "0.5.0", + "@swc/core": "^1.4.11", "@types/chai": "4.3.11", "@types/jest": "29.5.11", "@types/mocha": "10.0.6", diff --git a/scripts/bundle_worker.mjs b/scripts/bundle_worker.mjs index 45e0fd1e51..d74b7eacce 100755 --- a/scripts/bundle_worker.mjs +++ b/scripts/bundle_worker.mjs @@ -11,11 +11,11 @@ * right options. */ +import * as fs from "fs"; import * as path from "path"; import { pathToFileURL } from "url"; import esbuild from "esbuild"; -import TerserPlugin from "terser-webpack-plugin"; -import webpack from "webpack"; +import swc from "@swc/core"; import rootDirectory from "./utils/project_root_directory.mjs"; import getHumanReadableHours from "./utils/get_human_readable_hours.mjs"; @@ -30,17 +30,13 @@ if (import.meta.url === pathToFileURL(process.argv[1]).href) { const shouldMinify = argv.includes("-m") || argv.includes("--minify"); const production = argv.includes("-p") || argv.includes("--production-mode"); const silent = argv.includes("-s") || argv.includes("--silent"); + const buildEs5 = argv.includes("-5") || argv.includes("--es5"); buildWorker({ watch: shouldWatch, minify: shouldMinify, production, silent, - }); - buildWorkerEs5({ - watch: shouldWatch, - minify: shouldMinify, - production, - silent, + es5: buildEs5, }); } @@ -53,41 +49,40 @@ if (import.meta.url === pathToFileURL(process.argv[1]).href) { * @param {boolean} [options.watch] - If `true`, the RxPlayer's files involve * will be watched and the code re-built each time one of them changes. * @param {boolean} [options.silent] - If `true`, we won't output logs. - * @param {boolean} [options.outfile] - Destination of the produced bundle. + * @param {boolean} [options.es5] - If `true`, an ES5 bundle will also be + * produced. + * @param {string} [options.outfile] - Destination of the produced bundle. * `dist/worker.js` by default. + * @param {string} [options.es5Outfile] - Destination of the produced ES5 + * bundle (only if [options.es5] has been set to `true`). + * `dist/worker.es5.js` by default. * @returns {Promise} */ -export default function buildWorker(options) { +export default async function buildWorker(options) { const minify = !!options.minify; const watch = !!options.watch; const isDevMode = !options.production; const isSilent = options.silent; const outfile = options.outfile ?? path.join(rootDirectory, "dist/worker.js"); + const es5Outfile = options.es5Outfile ?? path.join(rootDirectory, "dist/worker.es5.js"); - /** Declare a plugin to anounce when a build begins and ends */ - const consolePlugin = { - name: "onEnd", + const esbuildStepsPlugin = { + name: "worker-steps", setup(build) { - build.onStart(() => { - console.log( - `\x1b[33m[${getHumanReadableHours()}]\x1b[0m ` + - "New Worker file build started", - ); - }); + build.onStart(() => logWarning("New Worker file build started")); build.onEnd((result) => { + if (watch && options.es5) { + buildAndAnnounceEs5Bundle(); + } if (result.errors.length > 0 || result.warnings.length > 0) { const { errors, warnings } = result; - console.log( - `\x1b[33m[${getHumanReadableHours()}]\x1b[0m ` + - `Worker file re-built with ${errors.length} error(s) and ` + + logWarning( + `Worker file re-built with ${errors.length} error(s) and ` + ` ${warnings.length} warning(s) `, ); return; } - console.log( - `\x1b[32m[${getHumanReadableHours()}]\x1b[0m ` + - `Worker file updated at ${outfile}!`, - ); + logSuccess(`Worker file updated at ${outfile}!`); }); }, }; @@ -95,160 +90,142 @@ export default function buildWorker(options) { const meth = watch ? "context" : "build"; // Create a context for incremental builds - return esbuild[meth]({ - entryPoints: [path.join(rootDirectory, "src/worker_entry_point.ts")], - bundle: true, - target: "es2017", - minify, - outfile, - plugins: isSilent ? [] : [consolePlugin], - define: { - "process.env.NODE_ENV": JSON.stringify(isDevMode ? "development" : "production"), - __ENVIRONMENT__: JSON.stringify({ - PRODUCTION: 0, - DEV: 1, - CURRENT_ENV: isDevMode ? 1 : 0, - }), - __LOGGER_LEVEL__: JSON.stringify({ CURRENT_LEVEL: "NONE" }), - }, - }) - .then((context) => { - if (watch) { - return context.watch(); - } - }) - .catch((err) => { + try { + const context = await esbuild[meth]({ + entryPoints: [path.join(rootDirectory, "src/worker_entry_point.ts")], + bundle: true, + target: "es2017", + minify, + outfile, + plugins: [esbuildStepsPlugin], + define: { + "process.env.NODE_ENV": JSON.stringify(isDevMode ? "development" : "production"), + __ENVIRONMENT__: JSON.stringify({ + PRODUCTION: 0, + DEV: 1, + CURRENT_ENV: isDevMode ? 1 : 0, + }), + __LOGGER_LEVEL__: JSON.stringify({ CURRENT_LEVEL: "NONE" }), + }, + }); + if (watch) { + return context.watch(); + } else if (options.es5) { + await buildAndAnnounceEs5Bundle(); + } + } catch (err) { + logError(`Worker file build failed:`, err); + throw err; + } + + async function buildAndAnnounceEs5Bundle() { + try { + await transpileWorkerToEs5({ + infile: outfile, + outfile: es5Outfile, + minify, + }); if (!isSilent) { - console.error( - `\x1b[31m[${getHumanReadableHours()}]\x1b[0m Worker file build failed:`, - err, - ); + logSuccess(`ES5 Worker file updated at ${es5Outfile}!`); } + } catch (err) { + logError(`ES5 Worker file build failed: ${err}`); throw err; - }); -} + } + } -export function buildWorkerEs5(options) { - const shouldMinify = !!options.minify; - const watch = !!options.watch; - const isDevMode = !options.production; - const isSilent = options.silent; - const outfile = options.outfile ?? path.join(rootDirectory, "dist/worker.es5.js"); - const outputPath = path.dirname(outfile); - const filename = path.basename(outfile); + function logSuccess(msg) { + if (!isSilent) { + console.log(`\x1b[32m[${getHumanReadableHours()}]\x1b[0m`, msg); + } + } - const plugins = [ - new webpack.DefinePlugin({ - __ENVIRONMENT__: { - PRODUCTION: 0, - DEV: 1, - CURRENT_ENV: isDevMode ? 1 : 0, - }, - __LOGGER_LEVEL__: JSON.stringify({ CURRENT_LEVEL: "NONE" }), - }), - ]; + function logWarning(msg) { + if (!isSilent) { + console.log(`\x1b[33m[${getHumanReadableHours()}]\x1b[0m`, msg); + } + } - if (!isSilent) { - console.log( - `\x1b[33m[${getHumanReadableHours()}]\x1b[0m ` + - "New ES5 Worker file build started", - ); + function logError(msg) { + if (!isSilent) { + console.log(`\x1b[31m[${getHumanReadableHours()}]\x1b[0m`, msg); + } } +} - const compiler = webpack({ - mode: isDevMode ? "development" : "production", - entry: [path.join(rootDirectory, "src/worker_entry_point.ts")], - output: { - path: outputPath, - filename, - environment: { - arrowFunction: false, - asyncFunction: false, - bigIntLiteral: false, - const: false, - destructuring: false, - dynamicImport: false, - dynamicImportInWorker: false, - forOf: false, - globalThis: false, - module: false, - optionalChaining: false, - templateLiteral: false, - }, - }, - optimization: { - minimize: shouldMinify, - minimizer: shouldMinify ? [new TerserPlugin()] : [], - }, - performance: { - maxEntrypointSize: shouldMinify ? 600000 : 2500000, - maxAssetSize: shouldMinify ? 600000 : 2500000, - }, - resolve: { - extensions: [".ts", ".tsx", ".js", ".jsx", ".json"], - }, - module: { - rules: [ - { - test: /\.tsx?$/, - use: [ - { - loader: "babel-loader", - options: { - cacheDirectory: true, - presets: [["@babel/env", { loose: true, modules: false }]], - plugins: [["@babel/plugin-transform-runtime"]], - }, - }, - { loader: "ts-loader" }, - ], - }, - ], - }, - plugins, +/** + * Simple promisified `fs.readFile` API. + * @param {string} filePath + * @param {string|null} encoding + * @returns {*} - Read data, the type depends on the `encoding` parameters (see + * `fs.readFile` documentation). + */ +function readFile(filePath, encoding) { + return new Promise((res, rej) => { + fs.readFile(filePath, { encoding }, function (err, data) { + if (err) { + rej(err); + } + res(data); + }); }); +} +/** + * Simple promisified `fs.writeFile` API. + * @param {string} filePath + * @param {string} content + * @returns {Promise} + */ +function writeFile(filePath, content) { return new Promise((res, rej) => { - if (watch) { - compiler.watch({}, (err) => { - if (err) { - if (!isSilent) { - console.error( - `\x1b[31m[${getHumanReadableHours()}]\x1b[0m ES5 Worker file build failed:`, - err, - ); - } - rej(err); - } else if (!isSilent) { - console.log( - `\x1b[32m[${getHumanReadableHours()}]\x1b[0m ` + - `ES5 Worker file updated at ${outfile}!`, - ); - } - res(); - }); - return; - } - compiler.run((err) => { + fs.writeFile(filePath, content, (err) => { if (err) { - if (!isSilent) { - console.error( - `\x1b[31m[${getHumanReadableHours()}]\x1b[0m ES5 Worker file build failed:`, - err, - ); - } rej(err); - } else if (!isSilent) { - console.log( - `\x1b[32m[${getHumanReadableHours()}]\x1b[0m ` + - `ES5 Worker file written at ${outfile}!`, - ); } res(); }); }); } +async function transpileWorkerToEs5(options) { + const infile = options.infile; + const outfile = options.outfile; + const fileData = await readFile(infile, "utf-8"); + const minify = options.minify; + const output = await swc.transform(fileData, { + jsc: { + parser: { + syntax: "ecmascript", + jsx: false, + dynamicImport: false, + privateMethod: false, + functionBind: false, + exportDefaultFrom: false, + exportNamespaceFrom: false, + decorators: false, + decoratorsBeforeExport: false, + topLevelAwait: false, + importMeta: false, + }, + minify: { + compress: { + unused: true, + }, + mangle: true, + }, + transform: null, + target: "es5", + loose: false, + externalHelpers: false, + // Requires v1.2.50 or upper and requires target to be es2016 or upper. + keepClassNames: false, + }, + minify, + }); + await writeFile(outfile, output.code); +} + /** * Display through `console.log` an helping message relative to how to run this * script. diff --git a/scripts/generate_build.mjs b/scripts/generate_build.mjs index 20819abca5..7de6f1ded9 100755 --- a/scripts/generate_build.mjs +++ b/scripts/generate_build.mjs @@ -24,7 +24,7 @@ import * as path from "path"; import { fileURLToPath, pathToFileURL } from "url"; import { rimraf } from "rimraf"; import generateEmbeds from "./generate_embeds.mjs"; -import buildWorker, { buildWorkerEs5 } from "./bundle_worker.mjs"; +import buildWorker from "./bundle_worker.mjs"; const currentDirectory = path.dirname(fileURLToPath(import.meta.url)); @@ -84,12 +84,7 @@ async function generateBuild(options = {}) { minify: !devMode, production: !devMode, silent: true, - }), - buildWorkerEs5({ - watch: false, - minify: !devMode, - production: !devMode, - silent: true, + es5: true, }), ]);