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173 lines
5.5 KiB
173 lines
5.5 KiB
'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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var _fs = require('fs');
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var _fs2 = _interopRequireDefault(_fs);
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var _path = require('path');
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var _path2 = _interopRequireDefault(_path);
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var _loaderUtils = require('loader-utils');
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var _loaderUtils2 = _interopRequireDefault(_loaderUtils);
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var _NodeTemplatePlugin = require('webpack/lib/node/NodeTemplatePlugin');
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var _NodeTemplatePlugin2 = _interopRequireDefault(_NodeTemplatePlugin);
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var _NodeTargetPlugin = require('webpack/lib/node/NodeTargetPlugin');
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var _NodeTargetPlugin2 = _interopRequireDefault(_NodeTargetPlugin);
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var _LibraryTemplatePlugin = require('webpack/lib/LibraryTemplatePlugin');
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var _LibraryTemplatePlugin2 = _interopRequireDefault(_LibraryTemplatePlugin);
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var _SingleEntryPlugin = require('webpack/lib/SingleEntryPlugin');
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var _SingleEntryPlugin2 = _interopRequireDefault(_SingleEntryPlugin);
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var _LimitChunkCountPlugin = require('webpack/lib/optimize/LimitChunkCountPlugin');
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var _LimitChunkCountPlugin2 = _interopRequireDefault(_LimitChunkCountPlugin);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/* eslint-disable
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consistent-return,
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no-param-reassign
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*/
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const NS = _path2.default.dirname(_fs2.default.realpathSync(__filename));
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const plugin = { name: 'ExtractTextPlugin' };
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exports.default = source => source;
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function pitch(request) {
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const query = _loaderUtils2.default.getOptions(this) || {};
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let loaders = this.loaders.slice(this.loaderIndex + 1);
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this.addDependency(this.resourcePath);
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// We already in child compiler, return empty bundle
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// eslint-disable-next-line no-undefined
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if (this[NS] === undefined) {
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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');
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} else if (this[NS] === false) {
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return '';
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} else if (this[NS](null, query)) {
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if (query.omit) {
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this.loaderIndex += +query.omit + 1;
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request = request.split('!').slice(+query.omit).join('!');
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loaders = loaders.slice(+query.omit);
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}
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let resultSource;
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if (query.remove) {
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resultSource = '// removed by extract-text-webpack-plugin';
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} else {
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resultSource = undefined; // eslint-disable-line no-undefined
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}
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const childFilename = 'extract-text-webpack-plugin-output-filename'; // eslint-disable-line no-path-concat
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const publicPath = typeof query.publicPath === 'string' ? query.publicPath : 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(`extract-text-webpack-plugin ${NS} ${request}`, outputOptions);
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new _NodeTemplatePlugin2.default(outputOptions).apply(childCompiler);
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new _LibraryTemplatePlugin2.default(null, 'commonjs2').apply(childCompiler);
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new _NodeTargetPlugin2.default().apply(childCompiler);
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new _SingleEntryPlugin2.default(this.context, `!!${request}`).apply(childCompiler);
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new _LimitChunkCountPlugin2.default({ maxChunks: 1 }).apply(childCompiler);
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// We set loaderContext[NS] = false to indicate we already in
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// a child compiler so we don't spawn other child compilers from there.
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childCompiler.hooks.thisCompilation.tap(plugin, compilation => {
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compilation.hooks.normalModuleLoader.tap(plugin, (loaderContext, module) => {
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loaderContext[NS] = false;
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if (module.request === request) {
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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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};
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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(plugin, compilation => {
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source = compilation.assets[childFilename] && compilation.assets[childFilename].source();
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// 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];
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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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if (err) return callback(err);
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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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try {
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let text = this.exec(source, request);
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if (typeof text === 'string') {
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text = [[compilation.entries[0].identifier(), text]];
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} else {
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text.forEach(item => {
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const [id] = item;
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compilation.modules.forEach(module => {
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if (module.id === id) {
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item[0] = module.identifier();
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}
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});
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});
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}
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this[NS](text, query);
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// NOTE: converting this to ESM will require changes to renderExtractedChunk
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if (text.locals && typeof resultSource !== 'undefined') {
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resultSource += `\nmodule.exports = ${JSON.stringify(text.locals)};`;
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}
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} catch (e) {
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return callback(e);
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}
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if (resultSource) {
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callback(null, resultSource);
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} else {
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callback();
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}
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});
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}
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}
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