package.dist.index.js Maven / Gradle / Ivy
The newest version!
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _crypto = _interopRequireDefault(require("crypto"));
var _path = _interopRequireDefault(require("path"));
var _sourceMap = require("source-map");
var _webpackSources = require("webpack-sources");
var _RequestShortener = _interopRequireDefault(require("webpack/lib/RequestShortener"));
var _ModuleFilenameHelpers = _interopRequireDefault(require("webpack/lib/ModuleFilenameHelpers"));
var _schemaUtils = _interopRequireDefault(require("schema-utils"));
var _serializeJavascript = _interopRequireDefault(require("serialize-javascript"));
var _package = _interopRequireDefault(require("uglify-js/package.json"));
var _options = _interopRequireDefault(require("./options.json"));
var _TaskRunner = _interopRequireDefault(require("./TaskRunner"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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; }
const warningRegex = /\[.+:([0-9]+),([0-9]+)\]/;
class UglifyJsPlugin {
constructor(options = {}) {
(0, _schemaUtils.default)(_options.default, options, 'UglifyJs Plugin');
const {
minify,
uglifyOptions = {},
test = /\.js(\?.*)?$/i,
chunkFilter = () => true,
warningsFilter = () => true,
extractComments = false,
sourceMap = false,
cache = false,
cacheKeys = defaultCacheKeys => defaultCacheKeys,
parallel = false,
include,
exclude
} = options;
this.options = {
test,
chunkFilter,
warningsFilter,
extractComments,
sourceMap,
cache,
cacheKeys,
parallel,
include,
exclude,
minify,
uglifyOptions: _objectSpread({
output: {
comments: extractComments ? false : /^\**!|@preserve|@license|@cc_on/i
}
}, uglifyOptions)
};
}
static isSourceMap(input) {
// All required options for `new SourceMapConsumer(...options)`
// https://github.com/mozilla/source-map#new-sourcemapconsumerrawsourcemap
return Boolean(input && input.version && input.sources && Array.isArray(input.sources) && typeof input.mappings === 'string');
}
static buildSourceMap(inputSourceMap) {
if (!inputSourceMap || !UglifyJsPlugin.isSourceMap(inputSourceMap)) {
return null;
}
return new _sourceMap.SourceMapConsumer(inputSourceMap);
}
static buildError(err, file, sourceMap, requestShortener) {
// Handling error which should have line, col, filename and message
if (err.line) {
const original = sourceMap && sourceMap.originalPositionFor({
line: err.line,
column: err.col
});
if (original && original.source && requestShortener) {
return new Error(`${file} from UglifyJs\n${err.message} [${requestShortener.shorten(original.source)}:${original.line},${original.column}][${file}:${err.line},${err.col}]`);
}
return new Error(`${file} from UglifyJs\n${err.message} [${file}:${err.line},${err.col}]`);
} else if (err.stack) {
return new Error(`${file} from UglifyJs\n${err.stack}`);
}
return new Error(`${file} from UglifyJs\n${err.message}`);
}
static buildWarning(warning, file, sourceMap, requestShortener, warningsFilter) {
let warningMessage = warning;
let locationMessage = '';
let source = null;
if (sourceMap) {
const match = warningRegex.exec(warning);
if (match) {
const line = +match[1];
const column = +match[2];
const original = sourceMap.originalPositionFor({
line,
column
});
if (original && original.source && original.source !== file && requestShortener) {
({
source
} = original);
warningMessage = `${warningMessage.replace(warningRegex, '')}`;
locationMessage = `[${requestShortener.shorten(original.source)}:${original.line},${original.column}]`;
}
}
}
if (warningsFilter && !warningsFilter(warning, source)) {
return null;
}
return `UglifyJs Plugin: ${warningMessage}${locationMessage}`;
}
apply(compiler) {
const buildModuleFn = moduleArg => {
// to get detailed location info about errors
moduleArg.useSourceMap = true;
};
const optimizeFn = (compilation, chunks, callback) => {
const taskRunner = new _TaskRunner.default({
cache: this.options.cache,
parallel: this.options.parallel
});
const processedAssets = new WeakSet();
const tasks = [];
const {
chunkFilter
} = this.options;
Array.from(chunks).filter(chunk => chunkFilter && chunkFilter(chunk)).reduce((acc, chunk) => acc.concat(chunk.files || []), []).concat(compilation.additionalChunkAssets || []).filter(_ModuleFilenameHelpers.default.matchObject.bind(null, this.options)).forEach(file => {
let inputSourceMap;
const asset = compilation.assets[file];
if (processedAssets.has(asset)) {
return;
}
try {
let input;
if (this.options.sourceMap && asset.sourceAndMap) {
const {
source,
map
} = asset.sourceAndMap();
input = source;
if (UglifyJsPlugin.isSourceMap(map)) {
inputSourceMap = map;
} else {
inputSourceMap = map;
compilation.warnings.push(new Error(`${file} contains invalid source map`));
}
} else {
input = asset.source();
inputSourceMap = null;
} // Handling comment extraction
let commentsFile = false;
if (this.options.extractComments) {
commentsFile = this.options.extractComments.filename || `${file}.LICENSE`;
if (typeof commentsFile === 'function') {
commentsFile = commentsFile(file);
}
}
const task = {
file,
input,
inputSourceMap,
commentsFile,
extractComments: this.options.extractComments,
uglifyOptions: this.options.uglifyOptions,
minify: this.options.minify
};
if (this.options.cache) {
const defaultCacheKeys = {
'uglify-js': _package.default.version,
node_version: process.version,
// eslint-disable-next-line global-require
'uglifyjs-webpack-plugin': require('../package.json').version,
'uglifyjs-webpack-plugin-options': this.options,
hash: _crypto.default.createHash('md4').update(input).digest('hex')
};
task.cacheKeys = this.options.cacheKeys(defaultCacheKeys, file);
}
tasks.push(task);
} catch (error) {
compilation.errors.push(UglifyJsPlugin.buildError(error, file, UglifyJsPlugin.buildSourceMap(inputSourceMap), new _RequestShortener.default(compiler.context)));
}
});
taskRunner.run(tasks, (tasksError, results) => {
if (tasksError) {
compilation.errors.push(tasksError);
return;
}
results.forEach((data, index) => {
const {
file,
input,
inputSourceMap,
commentsFile
} = tasks[index];
const {
error,
map,
code,
warnings
} = data;
let {
extractedComments
} = data;
let sourceMap = null;
if (error || warnings && warnings.length > 0) {
sourceMap = UglifyJsPlugin.buildSourceMap(inputSourceMap);
} // Handling results
// Error case: add errors, and go to next file
if (error) {
compilation.errors.push(UglifyJsPlugin.buildError(error, file, sourceMap, new _RequestShortener.default(compiler.context)));
return;
}
let outputSource;
if (map) {
outputSource = new _webpackSources.SourceMapSource(code, file, JSON.parse(map), input, inputSourceMap, true);
} else {
outputSource = new _webpackSources.RawSource(code);
} // Write extracted comments to commentsFile
if (commentsFile && extractedComments && extractedComments.length > 0) {
if (commentsFile in compilation.assets) {
const commentsFileSource = compilation.assets[commentsFile].source();
extractedComments = extractedComments.filter(comment => !commentsFileSource.includes(comment));
}
if (extractedComments.length > 0) {
// Add a banner to the original file
if (this.options.extractComments.banner !== false) {
let banner = this.options.extractComments.banner || `For license information please see ${_path.default.posix.basename(commentsFile)}`;
if (typeof banner === 'function') {
banner = banner(commentsFile);
}
if (banner) {
outputSource = new _webpackSources.ConcatSource(`/*! ${banner} */\n`, outputSource);
}
}
const commentsSource = new _webpackSources.RawSource(`${extractedComments.join('\n\n')}\n`);
if (commentsFile in compilation.assets) {
// commentsFile already exists, append new comments...
if (compilation.assets[commentsFile] instanceof _webpackSources.ConcatSource) {
compilation.assets[commentsFile].add('\n');
compilation.assets[commentsFile].add(commentsSource);
} else {
compilation.assets[commentsFile] = new _webpackSources.ConcatSource(compilation.assets[commentsFile], '\n', commentsSource);
}
} else {
compilation.assets[commentsFile] = commentsSource;
}
}
} // Updating assets
processedAssets.add(compilation.assets[file] = outputSource); // Handling warnings
if (warnings && warnings.length > 0) {
warnings.forEach(warning => {
const builtWarning = UglifyJsPlugin.buildWarning(warning, file, sourceMap, new _RequestShortener.default(compiler.context), this.options.warningsFilter);
if (builtWarning) {
compilation.warnings.push(builtWarning);
}
});
}
});
taskRunner.exit();
callback();
});
};
const plugin = {
name: this.constructor.name
};
compiler.hooks.compilation.tap(plugin, compilation => {
if (this.options.sourceMap) {
compilation.hooks.buildModule.tap(plugin, buildModuleFn);
}
const {
mainTemplate,
chunkTemplate
} = compilation; // Regenerate `contenthash` for minified assets
for (const template of [mainTemplate, chunkTemplate]) {
template.hooks.hashForChunk.tap(plugin, hash => {
const data = (0, _serializeJavascript.default)({
uglifyjs: _package.default.version,
uglifyjsOptions: this.options.uglifyOptions
});
hash.update('UglifyJsPlugin');
hash.update(data);
});
}
compilation.hooks.optimizeChunkAssets.tapAsync(plugin, optimizeFn.bind(this, compilation));
});
}
}
var _default = UglifyJsPlugin;
exports.default = _default;