136 lines
4.4 KiB
JavaScript
136 lines
4.4 KiB
JavaScript
'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; }; }();
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var _os = require('os');
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var _os2 = _interopRequireDefault(_os);
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var _cacache = require('cacache');
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var _cacache2 = _interopRequireDefault(_cacache);
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var _findCacheDir = require('find-cache-dir');
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var _findCacheDir2 = _interopRequireDefault(_findCacheDir);
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var _workerFarm = require('worker-farm');
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var _workerFarm2 = _interopRequireDefault(_workerFarm);
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var _serializeJavascript = require('serialize-javascript');
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var _serializeJavascript2 = _interopRequireDefault(_serializeJavascript);
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var _minify = require('./minify');
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var _minify2 = _interopRequireDefault(_minify);
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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 workerFile = require.resolve('./worker');
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try {
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// run test
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workerFile = require.resolve('../../dist/uglify/worker');
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} catch (e) {} // eslint-disable-line no-empty
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var Runner = function () {
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function Runner() {
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var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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_classCallCheck(this, Runner);
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var cache = options.cache,
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parallel = options.parallel;
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this.cacheDir = cache === true ? (0, _findCacheDir2.default)({ name: 'uglifyjs-webpack-plugin' }) : cache;
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// In some cases cpus() returns undefined
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// https://github.com/nodejs/node/issues/19022
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var cpus = _os2.default.cpus() || { length: 1 };
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this.maxConcurrentWorkers = parallel === true ? cpus.length - 1 : Math.min(Number(parallel) || 0, cpus.length - 1);
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}
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_createClass(Runner, [{
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key: 'runTasks',
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value: function runTasks(tasks, callback) {
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var _this = this;
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/* istanbul ignore if */
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if (!tasks.length) {
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callback(null, []);
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return;
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}
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if (this.maxConcurrentWorkers > 1) {
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var workerOptions = process.platform === 'win32' ? { maxConcurrentWorkers: this.maxConcurrentWorkers, maxConcurrentCallsPerWorker: 1 } : { maxConcurrentWorkers: this.maxConcurrentWorkers };
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this.workers = (0, _workerFarm2.default)(workerOptions, workerFile);
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this.boundWorkers = function (options, cb) {
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return _this.workers((0, _serializeJavascript2.default)(options), cb);
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};
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} else {
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this.boundWorkers = function (options, cb) {
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try {
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cb(null, (0, _minify2.default)(options));
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} catch (error) {
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cb(error);
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}
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};
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}
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var toRun = tasks.length;
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var results = [];
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var step = function step(index, data) {
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toRun -= 1;
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results[index] = data;
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if (!toRun) {
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callback(null, results);
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}
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};
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tasks.forEach(function (task, index) {
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var enqueue = function enqueue() {
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_this.boundWorkers(task, function (error, data) {
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var result = error ? { error } : data;
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var done = function done() {
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return step(index, result);
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};
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if (_this.cacheDir && !result.error) {
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_cacache2.default.put(_this.cacheDir, (0, _serializeJavascript2.default)(task.cacheKeys), JSON.stringify(data)).then(done, done);
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} else {
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done();
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}
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});
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};
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if (_this.cacheDir) {
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_cacache2.default.get(_this.cacheDir, (0, _serializeJavascript2.default)(task.cacheKeys)).then(function (_ref) {
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var data = _ref.data;
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return step(index, JSON.parse(data));
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}, enqueue);
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} else {
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enqueue();
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}
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});
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}
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}, {
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key: 'exit',
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value: function exit() {
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if (this.workers) {
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_workerFarm2.default.end(this.workers);
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}
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}
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}]);
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return Runner;
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}();
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exports.default = Runner; |