288 lines
12 KiB
JavaScript
288 lines
12 KiB
JavaScript
"use strict";
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.minifyTask = exports.optimizeTask = exports.optimizeLoaderTask = exports.loaderConfig = void 0;
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const es = require("event-stream");
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const gulp = require("gulp");
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const concat = require("gulp-concat");
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const filter = require("gulp-filter");
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const fancyLog = require("fancy-log");
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const ansiColors = require("ansi-colors");
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const path = require("path");
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const pump = require("pump");
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const VinylFile = require("vinyl");
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const bundle = require("./bundle");
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const i18n_1 = require("./i18n");
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const stats_1 = require("./stats");
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const util = require("./util");
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const REPO_ROOT_PATH = path.join(__dirname, '../..');
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function log(prefix, message) {
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fancyLog(ansiColors.cyan('[' + prefix + ']'), message);
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}
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function loaderConfig() {
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const result = {
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paths: {
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'vs': 'out-build/vs',
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'vscode': 'empty:'
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},
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amdModulesPattern: /^vs\//
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};
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result['vs/css'] = { inlineResources: true };
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return result;
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}
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exports.loaderConfig = loaderConfig;
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const IS_OUR_COPYRIGHT_REGEXP = /Copyright \(C\) Microsoft Corporation/i;
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function loaderPlugin(src, base, amdModuleId) {
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return (gulp
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.src(src, { base })
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.pipe(es.through(function (data) {
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if (amdModuleId) {
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let contents = data.contents.toString('utf8');
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contents = contents.replace(/^define\(/m, `define("${amdModuleId}",`);
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data.contents = Buffer.from(contents);
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}
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this.emit('data', data);
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})));
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}
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function loader(src, bundledFileHeader, bundleLoader, externalLoaderInfo) {
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let loaderStream = gulp.src(`${src}/vs/loader.js`, { base: `${src}` });
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if (bundleLoader) {
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loaderStream = es.merge(loaderStream, loaderPlugin(`${src}/vs/css.js`, `${src}`, 'vs/css'), loaderPlugin(`${src}/vs/nls.js`, `${src}`, 'vs/nls'));
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}
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const files = [];
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const order = (f) => {
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if (f.path.endsWith('loader.js')) {
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return 0;
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}
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if (f.path.endsWith('css.js')) {
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return 1;
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}
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if (f.path.endsWith('nls.js')) {
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return 2;
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}
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return 3;
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};
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return (loaderStream
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.pipe(es.through(function (data) {
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files.push(data);
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}, function () {
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files.sort((a, b) => {
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return order(a) - order(b);
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});
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files.unshift(new VinylFile({
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path: 'fake',
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base: '.',
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contents: Buffer.from(bundledFileHeader)
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}));
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if (externalLoaderInfo !== undefined) {
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files.push(new VinylFile({
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path: 'fake2',
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base: '.',
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contents: Buffer.from(emitExternalLoaderInfo(externalLoaderInfo))
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}));
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}
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for (const file of files) {
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this.emit('data', file);
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}
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this.emit('end');
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}))
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.pipe(concat('vs/loader.js')));
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}
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function emitExternalLoaderInfo(externalLoaderInfo) {
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const externalBaseUrl = externalLoaderInfo.baseUrl;
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externalLoaderInfo.baseUrl = '$BASE_URL';
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// If defined, use the runtime configured baseUrl.
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const code = `
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(function() {
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const baseUrl = require.getConfig().baseUrl || ${JSON.stringify(externalBaseUrl)};
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require.config(${JSON.stringify(externalLoaderInfo, undefined, 2)});
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})();`;
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return code.replace('"$BASE_URL"', 'baseUrl');
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}
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function toConcatStream(src, bundledFileHeader, sources, dest, fileContentMapper) {
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const useSourcemaps = /\.js$/.test(dest) && !/\.nls\.js$/.test(dest);
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// If a bundle ends up including in any of the sources our copyright, then
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// insert a fake source at the beginning of each bundle with our copyright
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let containsOurCopyright = false;
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for (let i = 0, len = sources.length; i < len; i++) {
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const fileContents = sources[i].contents;
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if (IS_OUR_COPYRIGHT_REGEXP.test(fileContents)) {
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containsOurCopyright = true;
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break;
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}
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}
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if (containsOurCopyright) {
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sources.unshift({
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path: null,
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contents: bundledFileHeader
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});
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}
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const treatedSources = sources.map(function (source) {
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const root = source.path ? REPO_ROOT_PATH.replace(/\\/g, '/') : '';
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const base = source.path ? root + `/${src}` : '.';
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const path = source.path ? root + '/' + source.path.replace(/\\/g, '/') : 'fake';
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const contents = source.path ? fileContentMapper(source.contents, path) : source.contents;
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return new VinylFile({
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path: path,
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base: base,
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contents: Buffer.from(contents)
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});
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});
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return es.readArray(treatedSources)
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.pipe(useSourcemaps ? util.loadSourcemaps() : es.through())
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.pipe(concat(dest))
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.pipe((0, stats_1.createStatsStream)(dest));
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}
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function toBundleStream(src, bundledFileHeader, bundles, fileContentMapper) {
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return es.merge(bundles.map(function (bundle) {
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return toConcatStream(src, bundledFileHeader, bundle.sources, bundle.dest, fileContentMapper);
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}));
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}
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const DEFAULT_FILE_HEADER = [
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'/*!--------------------------------------------------------',
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' * Copyright (C) Microsoft Corporation. All rights reserved.',
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' *--------------------------------------------------------*/'
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].join('\n');
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function optimizeAMDTask(opts) {
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const src = opts.src;
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const entryPoints = opts.entryPoints;
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const resources = opts.resources;
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const loaderConfig = opts.loaderConfig;
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const bundledFileHeader = opts.header || DEFAULT_FILE_HEADER;
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const fileContentMapper = opts.fileContentMapper || ((contents, _path) => contents);
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const sourcemaps = require('gulp-sourcemaps');
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const bundlesStream = es.through(); // this stream will contain the bundled files
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const resourcesStream = es.through(); // this stream will contain the resources
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const bundleInfoStream = es.through(); // this stream will contain bundleInfo.json
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bundle.bundle(entryPoints, loaderConfig, function (err, result) {
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if (err || !result) {
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return bundlesStream.emit('error', JSON.stringify(err));
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}
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toBundleStream(src, bundledFileHeader, result.files, fileContentMapper).pipe(bundlesStream);
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// Remove css inlined resources
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const filteredResources = resources.slice();
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result.cssInlinedResources.forEach(function (resource) {
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if (process.env['VSCODE_BUILD_VERBOSE']) {
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log('optimizer', 'excluding inlined: ' + resource);
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}
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filteredResources.push('!' + resource);
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});
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gulp.src(filteredResources, { base: `${src}`, allowEmpty: true }).pipe(resourcesStream);
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const bundleInfoArray = [];
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if (opts.bundleInfo) {
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bundleInfoArray.push(new VinylFile({
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path: 'bundleInfo.json',
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base: '.',
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contents: Buffer.from(JSON.stringify(result.bundleData, null, '\t'))
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}));
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}
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es.readArray(bundleInfoArray).pipe(bundleInfoStream);
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});
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const result = es.merge(loader(src, bundledFileHeader, false, opts.externalLoaderInfo), bundlesStream, resourcesStream, bundleInfoStream);
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return result
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.pipe(sourcemaps.write('./', {
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sourceRoot: undefined,
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addComment: true,
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includeContent: true
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}))
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.pipe(opts.languages && opts.languages.length ? (0, i18n_1.processNlsFiles)({
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fileHeader: bundledFileHeader,
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languages: opts.languages
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}) : es.through());
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}
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function optimizeCommonJSTask(opts) {
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const esbuild = require('esbuild');
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const src = opts.src;
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const entryPoints = opts.entryPoints;
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return gulp.src(entryPoints, { base: `${src}`, allowEmpty: true })
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.pipe(es.map((f, cb) => {
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esbuild.build({
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entryPoints: [f.path],
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bundle: true,
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platform: opts.platform,
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write: false,
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external: opts.external
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}).then(res => {
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const jsFile = res.outputFiles[0];
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f.contents = Buffer.from(jsFile.contents);
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cb(undefined, f);
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});
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}));
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}
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function optimizeManualTask(options) {
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const concatenations = options.map(opt => {
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return gulp
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.src(opt.src)
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.pipe(concat(opt.out));
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});
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return es.merge(...concatenations);
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}
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function optimizeLoaderTask(src, out, bundleLoader, bundledFileHeader = '', externalLoaderInfo) {
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return () => loader(src, bundledFileHeader, bundleLoader, externalLoaderInfo).pipe(gulp.dest(out));
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}
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exports.optimizeLoaderTask = optimizeLoaderTask;
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function optimizeTask(opts) {
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return function () {
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const optimizers = [optimizeAMDTask(opts.amd)];
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if (opts.commonJS) {
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optimizers.push(optimizeCommonJSTask(opts.commonJS));
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}
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if (opts.manual) {
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optimizers.push(optimizeManualTask(opts.manual));
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}
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return es.merge(...optimizers).pipe(gulp.dest(opts.out));
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};
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}
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exports.optimizeTask = optimizeTask;
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function minifyTask(src, sourceMapBaseUrl) {
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const esbuild = require('esbuild');
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const sourceMappingURL = sourceMapBaseUrl ? ((f) => `${sourceMapBaseUrl}/${f.relative}.map`) : undefined;
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return cb => {
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const cssnano = require('cssnano');
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const postcss = require('gulp-postcss');
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const sourcemaps = require('gulp-sourcemaps');
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const svgmin = require('gulp-svgmin');
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const jsFilter = filter('**/*.js', { restore: true });
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const cssFilter = filter('**/*.css', { restore: true });
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const svgFilter = filter('**/*.svg', { restore: true });
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pump(gulp.src([src + '/**', '!' + src + '/**/*.map']), jsFilter, sourcemaps.init({ loadMaps: true }), es.map((f, cb) => {
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esbuild.build({
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entryPoints: [f.path],
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minify: true,
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sourcemap: 'external',
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outdir: '.',
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platform: 'node',
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target: ['esnext'],
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write: false
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}).then(res => {
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const jsFile = res.outputFiles.find(f => /\.js$/.test(f.path));
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const sourceMapFile = res.outputFiles.find(f => /\.js\.map$/.test(f.path));
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const contents = Buffer.from(jsFile.contents);
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const unicodeMatch = contents.toString().match(/[^\x00-\xFF]+/g);
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if (unicodeMatch) {
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cb(new Error(`Found non-ascii character ${unicodeMatch[0]} in the minified output of ${f.path}. Non-ASCII characters in the output can cause performance problems when loading. Please review if you have introduced a regular expression that esbuild is not automatically converting and convert it to using unicode escape sequences.`));
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}
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else {
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f.contents = contents;
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f.sourceMap = JSON.parse(sourceMapFile.text);
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cb(undefined, f);
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}
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}, cb);
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}), jsFilter.restore, cssFilter, postcss([cssnano({ preset: 'default' })]), cssFilter.restore, svgFilter, svgmin(), svgFilter.restore, sourcemaps.mapSources((sourcePath) => {
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if (sourcePath === 'bootstrap-fork.js') {
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return 'bootstrap-fork.orig.js';
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}
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return sourcePath;
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}), sourcemaps.write('./', {
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sourceMappingURL,
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sourceRoot: undefined,
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includeContent: true,
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addComment: true
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}), gulp.dest(src + '-min'), (err) => cb(err));
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};
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}
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exports.minifyTask = minifyTask;
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//# sourceMappingURL=optimize.js.map
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