384 lines
15 KiB
JavaScript
384 lines
15 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); /* eslint-disable
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no-param-reassign
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*/
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var _crypto = require('crypto');
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var _crypto2 = _interopRequireDefault(_crypto);
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var _path = require('path');
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var _path2 = _interopRequireDefault(_path);
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var _sourceMap = require('source-map');
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var _webpackSources = require('webpack-sources');
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var _RequestShortener = require('webpack/lib/RequestShortener');
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var _RequestShortener2 = _interopRequireDefault(_RequestShortener);
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var _ModuleFilenameHelpers = require('webpack/lib/ModuleFilenameHelpers');
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var _ModuleFilenameHelpers2 = _interopRequireDefault(_ModuleFilenameHelpers);
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var _schemaUtils = require('schema-utils');
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var _schemaUtils2 = _interopRequireDefault(_schemaUtils);
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var _options = require('./options.json');
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var _options2 = _interopRequireDefault(_options);
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var _Runner = require('./uglify/Runner');
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var _Runner2 = _interopRequireDefault(_Runner);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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var warningRegex = /\[.+:([0-9]+),([0-9]+)\]/;
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var UglifyJsPlugin = function () {
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function UglifyJsPlugin() {
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var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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_classCallCheck(this, UglifyJsPlugin);
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(0, _schemaUtils2.default)(_options2.default, options, 'UglifyJs Plugin');
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var minify = options.minify,
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_options$uglifyOption = options.uglifyOptions,
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uglifyOptions = _options$uglifyOption === undefined ? {} : _options$uglifyOption,
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_options$test = options.test,
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test = _options$test === undefined ? /\.js(\?.*)?$/i : _options$test,
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_options$warningsFilt = options.warningsFilter,
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warningsFilter = _options$warningsFilt === undefined ? function () {
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return true;
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} : _options$warningsFilt,
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_options$extractComme = options.extractComments,
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extractComments = _options$extractComme === undefined ? false : _options$extractComme,
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_options$sourceMap = options.sourceMap,
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sourceMap = _options$sourceMap === undefined ? false : _options$sourceMap,
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_options$cache = options.cache,
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cache = _options$cache === undefined ? false : _options$cache,
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_options$cacheKeys = options.cacheKeys,
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cacheKeys = _options$cacheKeys === undefined ? function (defaultCacheKeys) {
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return defaultCacheKeys;
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} : _options$cacheKeys,
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_options$parallel = options.parallel,
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parallel = _options$parallel === undefined ? false : _options$parallel,
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include = options.include,
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exclude = options.exclude;
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this.options = {
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test,
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warningsFilter,
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extractComments,
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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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uglifyOptions: Object.assign({
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compress: {
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inline: 1
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},
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output: {
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comments: extractComments ? false : /^\**!|@preserve|@license|@cc_on/
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}
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}, uglifyOptions)
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};
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}
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_createClass(UglifyJsPlugin, [{
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key: 'apply',
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value: function apply(compiler) {
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var _this = this;
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var buildModuleFn = function buildModuleFn(moduleArg) {
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// to get detailed location info about errors
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moduleArg.useSourceMap = true;
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};
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var optimizeFn = function optimizeFn(compilation, chunks, callback) {
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var runner = new _Runner2.default({
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cache: _this.options.cache,
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parallel: _this.options.parallel
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});
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var uglifiedAssets = new WeakSet();
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var tasks = [];
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chunks.reduce(function (acc, chunk) {
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return acc.concat(chunk.files || []);
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}, []).concat(compilation.additionalChunkAssets || []).filter(_ModuleFilenameHelpers2.default.matchObject.bind(null, _this.options)).forEach(function (file) {
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var inputSourceMap = void 0;
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var asset = compilation.assets[file];
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if (uglifiedAssets.has(asset)) {
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return;
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}
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try {
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var input = void 0;
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if (_this.options.sourceMap && asset.sourceAndMap) {
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var _asset$sourceAndMap = asset.sourceAndMap(),
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source = _asset$sourceAndMap.source,
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map = _asset$sourceAndMap.map;
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input = source;
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if (UglifyJsPlugin.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(`${file} contains invalid source map`));
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}
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} else {
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input = asset.source();
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inputSourceMap = null;
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}
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// Handling comment extraction
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var commentsFile = false;
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if (_this.options.extractComments) {
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commentsFile = _this.options.extractComments.filename || `${file}.LICENSE`;
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if (typeof commentsFile === 'function') {
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commentsFile = commentsFile(file);
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}
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}
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var task = {
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file,
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input,
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inputSourceMap,
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commentsFile,
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extractComments: _this.options.extractComments,
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uglifyOptions: _this.options.uglifyOptions,
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minify: _this.options.minify
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};
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if (_this.options.cache) {
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var defaultCacheKeys = {
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// eslint-disable-next-line global-require
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'uglify-es': require('uglify-es/package.json').version,
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// eslint-disable-next-line global-require
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'uglifyjs-webpack-plugin': require('../package.json').version,
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'uglifyjs-webpack-plugin-options': _this.options,
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path: compiler.outputPath ? `${compiler.outputPath}/${file}` : file,
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hash: _crypto2.default.createHash('md4').update(input).digest('hex')
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};
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task.cacheKeys = _this.options.cacheKeys(defaultCacheKeys, file);
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}
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tasks.push(task);
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} catch (error) {
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compilation.errors.push(UglifyJsPlugin.buildError(error, file, UglifyJsPlugin.buildSourceMap(inputSourceMap), new _RequestShortener2.default(compiler.context)));
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}
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});
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runner.runTasks(tasks, function (tasksError, results) {
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if (tasksError) {
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compilation.errors.push(tasksError);
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return;
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}
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results.forEach(function (data, index) {
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var _tasks$index = tasks[index],
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file = _tasks$index.file,
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input = _tasks$index.input,
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inputSourceMap = _tasks$index.inputSourceMap,
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commentsFile = _tasks$index.commentsFile;
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var error = data.error,
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map = data.map,
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code = data.code,
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warnings = data.warnings,
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extractedComments = data.extractedComments;
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var sourceMap = null;
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if (error || warnings && warnings.length > 0) {
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sourceMap = UglifyJsPlugin.buildSourceMap(inputSourceMap);
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}
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// Handling results
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// Error case: add errors, and go to next file
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if (error) {
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compilation.errors.push(UglifyJsPlugin.buildError(error, file, sourceMap, new _RequestShortener2.default(compiler.context)));
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return;
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}
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var outputSource = void 0;
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if (map) {
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outputSource = new _webpackSources.SourceMapSource(code, file, JSON.parse(map), input, inputSourceMap);
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} else {
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outputSource = new _webpackSources.RawSource(code);
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}
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// Write extracted comments to commentsFile
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if (commentsFile && extractedComments.length > 0) {
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// Add a banner to the original file
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if (_this.options.extractComments.banner !== false) {
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var banner = _this.options.extractComments.banner || `For license information please see ${_path2.default.posix.basename(commentsFile)}`;
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if (typeof banner === 'function') {
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banner = banner(commentsFile);
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}
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if (banner) {
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outputSource = new _webpackSources.ConcatSource(`/*! ${banner} */\n`, outputSource);
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}
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}
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var commentsSource = new _webpackSources.RawSource(`${extractedComments.join('\n\n')}\n`);
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if (commentsFile in compilation.assets) {
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// commentsFile already exists, append new comments...
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if (compilation.assets[commentsFile] instanceof _webpackSources.ConcatSource) {
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compilation.assets[commentsFile].add('\n');
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compilation.assets[commentsFile].add(commentsSource);
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} else {
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compilation.assets[commentsFile] = new _webpackSources.ConcatSource(compilation.assets[commentsFile], '\n', commentsSource);
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}
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} else {
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compilation.assets[commentsFile] = commentsSource;
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}
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}
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// Updating assets
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uglifiedAssets.add(compilation.assets[file] = outputSource);
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// Handling warnings
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if (warnings && warnings.length > 0) {
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warnings.forEach(function (warning) {
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var builtWarning = UglifyJsPlugin.buildWarning(warning, file, sourceMap, _this.options.warningsFilter, new _RequestShortener2.default(compiler.context));
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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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}
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});
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runner.exit();
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callback();
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});
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};
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/* istanbul ignore if */
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if (compiler.hooks) {
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var plugin = { name: 'UglifyJSPlugin' };
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compiler.hooks.compilation.tap(plugin, function (compilation) {
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if (_this.options.sourceMap) {
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compilation.hooks.buildModule.tap(plugin, buildModuleFn);
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}
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compilation.hooks.optimizeChunkAssets.tapAsync(plugin, optimizeFn.bind(_this, compilation));
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});
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} else {
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compiler.plugin('compilation', function (compilation) {
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if (_this.options.sourceMap) {
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compilation.plugin('build-module', buildModuleFn);
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}
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compilation.plugin('optimize-chunk-assets', optimizeFn.bind(_this, compilation));
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});
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}
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}
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}], [{
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key: 'isSourceMap',
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value: function 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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}, {
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key: 'buildSourceMap',
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value: function buildSourceMap(inputSourceMap) {
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if (!inputSourceMap || !UglifyJsPlugin.isSourceMap(inputSourceMap)) {
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return null;
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}
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return new _sourceMap.SourceMapConsumer(inputSourceMap);
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}
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}, {
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key: 'buildError',
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value: function buildError(err, file, sourceMap, requestShortener) {
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// Handling error which should have line, col, filename and message
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if (err.line) {
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var original = sourceMap && sourceMap.originalPositionFor({
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line: err.line,
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column: err.col
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});
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if (original && original.source && requestShortener) {
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return new Error(`${file} from UglifyJs\n${err.message} [${requestShortener.shorten(original.source)}:${original.line},${original.column}][${file}:${err.line},${err.col}]`);
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}
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return new Error(`${file} from UglifyJs\n${err.message} [${file}:${err.line},${err.col}]`);
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} else if (err.stack) {
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return new Error(`${file} from UglifyJs\n${err.stack}`);
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}
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return new Error(`${file} from UglifyJs\n${err.message}`);
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}
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}, {
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key: 'buildWarning',
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value: function buildWarning(warning, file, sourceMap, warningsFilter, requestShortener) {
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if (!file || !sourceMap) {
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return `UglifyJs Plugin: ${warning}`;
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}
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var warningMessage = warning;
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var match = warningRegex.exec(warning);
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if (match) {
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var line = +match[1];
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var column = +match[2];
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var original = sourceMap.originalPositionFor({
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line,
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column
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});
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if (warningsFilter && !warningsFilter(original.source)) {
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return null;
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}
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if (original && original.source && original.source !== file && requestShortener) {
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warningMessage = `${warningMessage.replace(warningRegex, '')}[${requestShortener.shorten(original.source)}:${original.line},${original.column}]`;
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}
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}
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return `UglifyJs Plugin: ${warningMessage} in ${file}`;
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}
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}]);
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return UglifyJsPlugin;
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}();
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exports.default = UglifyJsPlugin;
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