410 lines
14 KiB
JavaScript
410 lines
14 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _os = _interopRequireDefault(require("os"));
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var _crypto = _interopRequireDefault(require("crypto"));
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var _sourceMap = require("source-map");
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var _RequestShortener = _interopRequireDefault(require("webpack/lib/RequestShortener"));
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var _webpack = _interopRequireWildcard(require("webpack"));
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var _schemaUtils = require("schema-utils");
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var _serializeJavascript = _interopRequireDefault(require("serialize-javascript"));
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var _package = _interopRequireDefault(require("cssnano/package.json"));
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var _pLimit = _interopRequireDefault(require("p-limit"));
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var _jestWorker = _interopRequireDefault(require("jest-worker"));
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var _options = _interopRequireDefault(require("./options.json"));
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var _minify = require("./minify");
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const warningRegex = /\s.+:+([0-9]+):+([0-9]+)/; // webpack 5 exposes the sources property to ensure the right version of webpack-sources is used
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const {
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SourceMapSource,
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RawSource
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} = // eslint-disable-next-line global-require
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_webpack.default.sources || require('webpack-sources');
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class CssMinimizerPlugin {
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constructor(options = {}) {
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(0, _schemaUtils.validate)(_options.default, options, {
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name: 'Css Minimizer Plugin',
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baseDataPath: 'options'
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});
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const {
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minify,
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minimizerOptions = {
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preset: 'default'
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},
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test = /\.css(\?.*)?$/i,
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warningsFilter = () => true,
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sourceMap,
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cache = true,
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cacheKeys = defaultCacheKeys => defaultCacheKeys,
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parallel = true,
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include,
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exclude
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} = options;
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this.options = {
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test,
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warningsFilter,
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sourceMap,
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cache,
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cacheKeys,
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parallel,
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include,
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exclude,
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minify,
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minimizerOptions
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};
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}
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static isSourceMap(input) {
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// All required options for `new SourceMapConsumer(...options)`
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// https://github.com/mozilla/source-map#new-sourcemapconsumerrawsourcemap
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return Boolean(input && input.version && input.sources && Array.isArray(input.sources) && typeof input.mappings === 'string');
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}
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static buildError(error, file, sourceMap, requestShortener) {
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if (error.line) {
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const original = sourceMap && sourceMap.originalPositionFor({
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line: error.line,
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column: error.column
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});
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if (original && original.source && requestShortener) {
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return new Error(`${file} from Css Minimizer Webpack Plugin\n${error.message} [${requestShortener.shorten(original.source)}:${original.line},${original.column}][${file}:${error.line},${error.column}]${error.stack ? `\n${error.stack.split('\n').slice(1).join('\n')}` : ''}`);
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}
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return new Error(`${file} from Css Minimizer \n${error.message} [${file}:${error.line},${error.column}]${error.stack ? `\n${error.stack.split('\n').slice(1).join('\n')}` : ''}`);
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}
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if (error.stack) {
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return new Error(`${file} from Css Minimizer\n${error.stack}`);
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}
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return new Error(`${file} from Css Minimizer\n${error.message}`);
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}
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static buildWarning(warning, file, sourceMap, requestShortener, warningsFilter) {
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let warningMessage = warning;
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let locationMessage = '';
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let source;
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if (sourceMap) {
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const match = warningRegex.exec(warning);
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if (match) {
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const line = +match[1];
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const column = +match[2];
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const original = sourceMap.originalPositionFor({
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line,
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column
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});
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if (original && original.source && original.source !== file && requestShortener) {
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({
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source
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} = original);
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warningMessage = `${warningMessage.replace(warningRegex, '')}`;
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locationMessage = `${requestShortener.shorten(original.source)}:${original.line}:${original.column}`;
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}
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}
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}
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if (warningsFilter && !warningsFilter(warning, file, source)) {
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return null;
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}
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return `Css Minimizer Plugin: ${warningMessage} ${locationMessage}`;
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}
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static getAvailableNumberOfCores(parallel) {
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// In some cases cpus() returns undefined
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// https://github.com/nodejs/node/issues/19022
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const cpus = _os.default.cpus() || {
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length: 1
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};
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return parallel === true ? cpus.length - 1 : Math.min(Number(parallel) || 0, cpus.length - 1);
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} // eslint-disable-next-line consistent-return
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static getAsset(compilation, name) {
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// New API
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if (compilation.getAsset) {
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return compilation.getAsset(name);
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}
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if (compilation.assets[name]) {
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return {
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name,
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source: compilation.assets[name],
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info: {}
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};
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}
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}
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static updateAsset(compilation, name, newSource, assetInfo) {
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// New API
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if (compilation.updateAsset) {
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compilation.updateAsset(name, newSource, assetInfo);
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} // eslint-disable-next-line no-param-reassign
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compilation.assets[name] = newSource;
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}
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async optimize(compiler, compilation, assets, CacheEngine, weakCache) {
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const assetNames = Object.keys(typeof assets === 'undefined' ? compilation.assets : assets).filter(assetName => {
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if (!_webpack.ModuleFilenameHelpers.matchObject.bind( // eslint-disable-next-line no-undefined
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undefined, this.options)(assetName)) {
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return false;
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}
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const {
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info
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} = CssMinimizerPlugin.getAsset(compilation, assetName);
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if (info.minimized) {
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return false;
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}
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return true;
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});
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if (assetNames.length === 0) {
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return Promise.resolve();
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}
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const availableNumberOfCores = CssMinimizerPlugin.getAvailableNumberOfCores(this.options.parallel);
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let concurrency = Infinity;
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let worker;
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if (availableNumberOfCores > 0) {
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// Do not create unnecessary workers when the number of files is less than the available cores, it saves memory
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const numWorkers = Math.min(assetNames.length, availableNumberOfCores);
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concurrency = numWorkers;
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worker = new _jestWorker.default(require.resolve('./minify'), {
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numWorkers
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}); // https://github.com/facebook/jest/issues/8872#issuecomment-524822081
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const workerStdout = worker.getStdout();
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if (workerStdout) {
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workerStdout.on('data', chunk => process.stdout.write(chunk));
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}
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const workerStderr = worker.getStderr();
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if (workerStderr) {
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workerStderr.on('data', chunk => process.stderr.write(chunk));
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}
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}
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const limit = (0, _pLimit.default)(concurrency);
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const cache = new CacheEngine(compilation, {
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cache: this.options.cache
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}, weakCache);
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const scheduledTasks = [];
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for (const name of assetNames) {
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scheduledTasks.push(limit(async () => {
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const {
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source: inputSource,
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info
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} = CssMinimizerPlugin.getAsset(compilation, name); // Skip double minimize assets from child compilation
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if (info.minimized) {
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return;
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}
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let input;
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let inputSourceMap; // TODO refactor after drop webpack@4, webpack@5 always has `sourceAndMap` on sources
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if (this.options.sourceMap && inputSource.sourceAndMap) {
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const {
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source,
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map
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} = inputSource.sourceAndMap();
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input = source;
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if (map) {
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if (CssMinimizerPlugin.isSourceMap(map)) {
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inputSourceMap = map;
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} else {
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inputSourceMap = map;
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compilation.warnings.push(new Error(`${name} contains invalid source map`));
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}
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}
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} else {
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input = inputSource.source();
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inputSourceMap = null;
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}
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if (Buffer.isBuffer(input)) {
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input = input.toString();
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}
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const cacheData = {
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name,
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inputSource
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};
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if (CssMinimizerPlugin.isWebpack4()) {
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if (this.options.cache) {
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cacheData.input = input;
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cacheData.inputSourceMap = inputSourceMap;
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cacheData.cacheKeys = this.options.cacheKeys({
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// eslint-disable-next-line global-require
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'css-minimizer-webpack-plugin': require('../package.json').version,
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cssMinimizer: _package.default.version,
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'css-minimizer-webpack-plugin-options': this.options,
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name,
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contentHash: _crypto.default.createHash('md4').update(input).digest('hex')
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}, name);
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}
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}
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let output = await cache.get(cacheData, {
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RawSource,
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SourceMapSource
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});
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if (!output) {
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try {
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const minimizerOptions = {
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name,
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input,
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inputSourceMap,
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map: this.options.sourceMap,
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minimizerOptions: this.options.minimizerOptions,
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minify: this.options.minify
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};
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output = await (worker ? worker.transform((0, _serializeJavascript.default)(minimizerOptions)) : (0, _minify.minify)(minimizerOptions));
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} catch (error) {
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compilation.errors.push(CssMinimizerPlugin.buildError(error, name, inputSourceMap && CssMinimizerPlugin.isSourceMap(inputSourceMap) ? new _sourceMap.SourceMapConsumer(inputSourceMap) : null, new _RequestShortener.default(compiler.context)));
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return;
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}
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if (output.map) {
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output.source = new SourceMapSource(output.code, name, output.map, input, inputSourceMap, true);
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} else {
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output.source = new RawSource(output.code);
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}
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await cache.store({ ...output,
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...cacheData
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});
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}
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if (output.warnings && output.warnings.length > 0) {
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output.warnings.forEach(warning => {
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const builtWarning = CssMinimizerPlugin.buildWarning(warning, name, inputSourceMap && CssMinimizerPlugin.isSourceMap(inputSourceMap) ? new _sourceMap.SourceMapConsumer(inputSourceMap) : null, new _RequestShortener.default(compiler.context), this.options.warningsFilter);
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if (builtWarning) {
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compilation.warnings.push(builtWarning);
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}
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});
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} // TODO `...` required only for webpack@4
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const newInfo = { ...info,
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minimized: true
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};
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const {
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source
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} = output;
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CssMinimizerPlugin.updateAsset(compilation, name, source, newInfo);
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}));
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}
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const result = await Promise.all(scheduledTasks);
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if (worker) {
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await worker.end();
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}
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return result;
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}
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static isWebpack4() {
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return _webpack.version[0] === '4';
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}
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apply(compiler) {
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const pluginName = this.constructor.name;
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const {
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devtool,
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plugins
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} = compiler.options;
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this.options.sourceMap = typeof this.options.sourceMap === 'undefined' ? devtool && !devtool.includes('eval') && !devtool.includes('cheap') && (devtool.includes('source-map') || // Todo remove when `webpack@4` support will be dropped
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devtool.includes('sourcemap')) || plugins && plugins.some(plugin => plugin instanceof _webpack.SourceMapDevToolPlugin && plugin.options && plugin.options.columns) : this.options.sourceMap;
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const weakCache = new WeakMap();
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compiler.hooks.compilation.tap(pluginName, compilation => {
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if (this.options.sourceMap) {
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compilation.hooks.buildModule.tap(pluginName, moduleArg => {
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// to get detailed location info about errors
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// eslint-disable-next-line no-param-reassign
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moduleArg.useSourceMap = true;
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});
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}
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if (CssMinimizerPlugin.isWebpack4()) {
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// eslint-disable-next-line global-require
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const CacheEngine = require('./Webpack4Cache').default;
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compilation.hooks.optimizeChunkAssets.tapPromise(pluginName, () => this.optimize(compiler, compilation, // eslint-disable-next-line no-undefined
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undefined, CacheEngine, weakCache));
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} else {
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if (this.options.sourceMap) {
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compilation.hooks.buildModule.tap(pluginName, moduleArg => {
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// to get detailed location info about errors
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// eslint-disable-next-line no-param-reassign
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moduleArg.useSourceMap = true;
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});
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} // eslint-disable-next-line global-require
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const CacheEngine = require('./Webpack5Cache').default; // eslint-disable-next-line global-require
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const Compilation = require('webpack/lib/Compilation');
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compilation.hooks.processAssets.tapPromise({
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name: pluginName,
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stage: Compilation.PROCESS_ASSETS_STAGE_OPTIMIZE_SIZE,
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additionalAssets: true
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}, assets => this.optimize(compiler, compilation, assets, CacheEngine));
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compilation.hooks.statsPrinter.tap(pluginName, stats => {
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stats.hooks.print.for('asset.info.minimized').tap('css-minimizer-webpack-plugin', (minimized, {
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green,
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formatFlag
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}) => // eslint-disable-next-line no-undefined
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minimized ? green(formatFlag('minimized')) : undefined);
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});
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}
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});
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}
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}
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var _default = CssMinimizerPlugin;
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exports.default = _default; |