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- 'use strict';
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.pitch = pitch;
-
- var _fs = require('fs');
-
- var _fs2 = _interopRequireDefault(_fs);
-
- var _path = require('path');
-
- var _path2 = _interopRequireDefault(_path);
-
- var _loaderUtils = require('loader-utils');
-
- var _loaderUtils2 = _interopRequireDefault(_loaderUtils);
-
- var _NodeTemplatePlugin = require('webpack/lib/node/NodeTemplatePlugin');
-
- var _NodeTemplatePlugin2 = _interopRequireDefault(_NodeTemplatePlugin);
-
- var _NodeTargetPlugin = require('webpack/lib/node/NodeTargetPlugin');
-
- var _NodeTargetPlugin2 = _interopRequireDefault(_NodeTargetPlugin);
-
- var _LibraryTemplatePlugin = require('webpack/lib/LibraryTemplatePlugin');
-
- var _LibraryTemplatePlugin2 = _interopRequireDefault(_LibraryTemplatePlugin);
-
- var _SingleEntryPlugin = require('webpack/lib/SingleEntryPlugin');
-
- var _SingleEntryPlugin2 = _interopRequireDefault(_SingleEntryPlugin);
-
- var _LimitChunkCountPlugin = require('webpack/lib/optimize/LimitChunkCountPlugin');
-
- var _LimitChunkCountPlugin2 = _interopRequireDefault(_LimitChunkCountPlugin);
-
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
-
- /* eslint-disable
- consistent-return,
- no-param-reassign
- */
- const NS = _path2.default.dirname(_fs2.default.realpathSync(__filename));
- const plugin = { name: 'ExtractTextPlugin' };
-
- exports.default = source => source;
-
- function pitch(request) {
- const query = _loaderUtils2.default.getOptions(this) || {};
- let loaders = this.loaders.slice(this.loaderIndex + 1);
- this.addDependency(this.resourcePath);
-
- // We already in child compiler, return empty bundle
- // eslint-disable-next-line no-undefined
- if (this[NS] === undefined) {
- throw new Error('"extract-text-webpack-plugin" loader is used without the corresponding plugin, ' + 'refer to https://github.com/webpack/extract-text-webpack-plugin for the usage example');
- } else if (this[NS] === false) {
- return '';
- } else if (this[NS](null, query)) {
- if (query.omit) {
- this.loaderIndex += +query.omit + 1;
- request = request.split('!').slice(+query.omit).join('!');
- loaders = loaders.slice(+query.omit);
- }
-
- let resultSource;
- if (query.remove) {
- resultSource = '// removed by extract-text-webpack-plugin';
- } else {
- resultSource = undefined; // eslint-disable-line no-undefined
- }
-
- const childFilename = 'extract-text-webpack-plugin-output-filename'; // eslint-disable-line no-path-concat
- const publicPath = typeof query.publicPath === 'string' ? query.publicPath : this._compilation.outputOptions.publicPath;
- const outputOptions = {
- filename: childFilename,
- publicPath
- };
-
- const childCompiler = this._compilation.createChildCompiler(`extract-text-webpack-plugin ${NS} ${request}`, outputOptions);
-
- new _NodeTemplatePlugin2.default(outputOptions).apply(childCompiler);
- new _LibraryTemplatePlugin2.default(null, 'commonjs2').apply(childCompiler);
- new _NodeTargetPlugin2.default().apply(childCompiler);
- new _SingleEntryPlugin2.default(this.context, `!!${request}`).apply(childCompiler);
- new _LimitChunkCountPlugin2.default({ maxChunks: 1 }).apply(childCompiler);
-
- // We set loaderContext[NS] = false to indicate we already in
- // a child compiler so we don't spawn other child compilers from there.
- childCompiler.hooks.thisCompilation.tap(plugin, compilation => {
- compilation.hooks.normalModuleLoader.tap(plugin, (loaderContext, module) => {
- loaderContext[NS] = false;
- if (module.request === request) {
- module.loaders = loaders.map(loader => {
- return {
- loader: loader.path,
- options: loader.options
- };
- });
- }
- });
- });
-
- let source;
- childCompiler.hooks.afterCompile.tap(plugin, compilation => {
- source = compilation.assets[childFilename] && compilation.assets[childFilename].source();
-
- // Remove all chunk assets
- compilation.chunks.forEach(chunk => {
- chunk.files.forEach(file => {
- delete compilation.assets[file];
- });
- });
- });
-
- const callback = this.async();
- childCompiler.runAsChild((err, entries, compilation) => {
- if (err) return callback(err);
-
- if (compilation.errors.length > 0) {
- return callback(compilation.errors[0]);
- }
-
- compilation.fileDependencies.forEach(dep => {
- this.addDependency(dep);
- }, this);
-
- compilation.contextDependencies.forEach(dep => {
- this.addContextDependency(dep);
- }, this);
-
- if (!source) {
- return callback(new Error("Didn't get a result from child compiler"));
- }
-
- try {
- let text = this.exec(source, request);
-
- if (typeof text === 'string') {
- text = [[compilation.entries[0].identifier(), text]];
- } else {
- text.forEach(item => {
- const [id] = item;
-
- compilation.modules.forEach(module => {
- if (module.id === id) {
- item[0] = module.identifier();
- }
- });
- });
- }
-
- this[NS](text, query);
-
- // NOTE: converting this to ESM will require changes to renderExtractedChunk
- if (text.locals && typeof resultSource !== 'undefined') {
- resultSource += `\nmodule.exports = ${JSON.stringify(text.locals)};`;
- }
- } catch (e) {
- return callback(e);
- }
-
- if (resultSource) {
- callback(null, resultSource);
- } else {
- callback();
- }
- });
- }
- }
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