"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.pitch = pitch;
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exports.default = _default;
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var _module = _interopRequireDefault(require("module"));
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var _path = _interopRequireDefault(require("path"));
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var _loaderUtils = _interopRequireDefault(require("loader-utils"));
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var _NodeTemplatePlugin = _interopRequireDefault(require("webpack/lib/node/NodeTemplatePlugin"));
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var _NodeTargetPlugin = _interopRequireDefault(require("webpack/lib/node/NodeTargetPlugin"));
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var _LibraryTemplatePlugin = _interopRequireDefault(require("webpack/lib/LibraryTemplatePlugin"));
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var _SingleEntryPlugin = _interopRequireDefault(require("webpack/lib/SingleEntryPlugin"));
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var _LimitChunkCountPlugin = _interopRequireDefault(require("webpack/lib/optimize/LimitChunkCountPlugin"));
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var _schemaUtils = _interopRequireDefault(require("schema-utils"));
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var _CssDependency = _interopRequireDefault(require("./CssDependency"));
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var _loaderOptions = _interopRequireDefault(require("./loader-options.json"));
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
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const pluginName = 'extract-css-chunks-webpack-plugin';
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function hotLoader(content, context) {
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const accept = context.locals ? '' : 'module.hot.accept(undefined, cssReload);';
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return `${content}
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if(module.hot) {
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// ${Date.now()}
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var cssReload = require(${_loaderUtils.default.stringifyRequest(context.context, _path.default.join(__dirname, 'hmr/hotModuleReplacement.js'))})(module.id, ${JSON.stringify(_objectSpread(_objectSpread({}, context.options), {}, {
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locals: !!context.locals
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}))});
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module.hot.dispose(cssReload);
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${accept}
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}
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`;
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}
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function evalModuleCode(loaderContext, code, filename) {
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const module = new _module.default(filename, loaderContext);
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module.paths = _module.default._nodeModulePaths(loaderContext.context); // eslint-disable-line no-underscore-dangle
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module.filename = filename;
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module._compile(code, filename); // eslint-disable-line no-underscore-dangle
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return module.exports;
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}
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function findModuleById(modules, id) {
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for (const module of modules) {
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if (module.id === id) {
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return module;
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}
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}
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return null;
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}
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function pitch(request) {
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const options = _loaderUtils.default.getOptions(this) || {};
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(0, _schemaUtils.default)(_loaderOptions.default, options, 'Mini CSS Extract Plugin Loader');
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const loaders = this.loaders.slice(this.loaderIndex + 1);
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this.addDependency(this.resourcePath);
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const childFilename = '*';
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const publicPath = typeof options.publicPath === 'string' ? options.publicPath === '' || options.publicPath.endsWith('/') ? options.publicPath : `${options.publicPath}/` : typeof options.publicPath === 'function' ? options.publicPath(this.resourcePath, this.rootContext) : this._compilation.outputOptions.publicPath;
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const outputOptions = {
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filename: childFilename,
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publicPath
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};
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const childCompiler = this._compilation.createChildCompiler(`${pluginName} ${request}`, outputOptions);
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new _NodeTemplatePlugin.default(outputOptions).apply(childCompiler);
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new _LibraryTemplatePlugin.default(null, 'commonjs2').apply(childCompiler);
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new _NodeTargetPlugin.default().apply(childCompiler);
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new _SingleEntryPlugin.default(this.context, `!!${request}`, pluginName).apply(childCompiler);
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new _LimitChunkCountPlugin.default({
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maxChunks: 1
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}).apply(childCompiler);
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childCompiler.hooks.thisCompilation.tap(`${pluginName} loader`, compilation => {
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compilation.hooks.normalModuleLoader.tap(`${pluginName} loader`, (loaderContext, module) => {
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// eslint-disable-next-line no-param-reassign
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loaderContext.emitFile = this.emitFile;
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if (module.request === request) {
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// eslint-disable-next-line no-param-reassign
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module.loaders = loaders.map(loader => {
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return {
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loader: loader.path,
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options: loader.options,
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ident: loader.ident
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};
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});
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}
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});
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});
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let source;
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childCompiler.hooks.afterCompile.tap(pluginName, compilation => {
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source = compilation.assets[childFilename] && compilation.assets[childFilename].source(); // Remove all chunk assets
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compilation.chunks.forEach(chunk => {
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chunk.files.forEach(file => {
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delete compilation.assets[file]; // eslint-disable-line no-param-reassign
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});
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});
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});
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const callback = this.async();
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childCompiler.runAsChild((err, entries, compilation) => {
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const addDependencies = dependencies => {
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if (!Array.isArray(dependencies) && dependencies != null) {
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throw new Error(`Exported value was not extracted as an array: ${JSON.stringify(dependencies)}`);
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}
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const identifierCountMap = new Map();
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for (const dependency of dependencies) {
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const count = identifierCountMap.get(dependency.identifier) || 0;
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this._module.addDependency(new _CssDependency.default(dependency, dependency.context, count));
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identifierCountMap.set(dependency.identifier, count + 1);
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}
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};
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if (err) {
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return callback(err);
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}
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if (compilation.errors.length > 0) {
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return callback(compilation.errors[0]);
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}
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compilation.fileDependencies.forEach(dep => {
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this.addDependency(dep);
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}, this);
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compilation.contextDependencies.forEach(dep => {
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this.addContextDependency(dep);
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}, this);
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if (!source) {
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return callback(new Error("Didn't get a result from child compiler"));
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}
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let locals;
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try {
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let dependencies;
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let exports = evalModuleCode(this, source, request); // eslint-disable-next-line no-underscore-dangle
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exports = exports.__esModule ? exports.default : exports;
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locals = exports && exports.locals;
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if (!Array.isArray(exports)) {
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dependencies = [[null, exports]];
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} else {
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dependencies = exports.map(([id, content, media, sourceMap]) => {
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const module = findModuleById(compilation.modules, id);
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return {
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identifier: module.identifier(),
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context: module.context,
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content,
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media,
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sourceMap
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};
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});
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}
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addDependencies(dependencies);
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} catch (e) {
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return callback(e);
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}
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const esModule = typeof options.esModule !== 'undefined' ? options.esModule : false;
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const result = locals ? `\n${esModule ? 'export default' : 'module.exports ='} ${JSON.stringify(locals)};` : '';
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let resultSource = `// extracted by ${pluginName}`;
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resultSource += options.hmr ? hotLoader(result, {
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context: this.context,
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options,
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locals
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}) : result;
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return callback(null, resultSource);
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});
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}
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function _default() {}
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