1 | 'use strict';
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 |
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7 | 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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8 |
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9 | var _os = require('os');
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10 |
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11 | var _os2 = _interopRequireDefault(_os);
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12 |
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13 | var _cacache = require('cacache');
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14 |
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15 | var _cacache2 = _interopRequireDefault(_cacache);
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16 |
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17 | var _findCacheDir = require('find-cache-dir');
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18 |
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19 | var _findCacheDir2 = _interopRequireDefault(_findCacheDir);
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20 |
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21 | var _workerFarm = require('worker-farm');
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22 |
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23 | var _workerFarm2 = _interopRequireDefault(_workerFarm);
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24 |
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25 | var _serializeJavascript = require('serialize-javascript');
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26 |
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27 | var _serializeJavascript2 = _interopRequireDefault(_serializeJavascript);
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28 |
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29 | var _minify = require('./minify');
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30 |
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31 | var _minify2 = _interopRequireDefault(_minify);
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32 |
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33 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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34 |
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35 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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36 |
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37 | var workerFile = require.resolve('./worker');
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38 |
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39 | try {
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40 |
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41 | workerFile = require.resolve('../../dist/uglify/worker');
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42 | } catch (e) {}
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43 |
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44 | var _class = function () {
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45 | function _class() {
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46 | var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
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47 |
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48 | _classCallCheck(this, _class);
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49 |
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50 | var cache = options.cache,
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51 | parallel = options.parallel;
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52 |
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53 | this.cacheDir = cache === true ? (0, _findCacheDir2.default)({ name: 'uglifyjs-webpack-plugin' }) : cache;
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54 | this.maxConcurrentWorkers = parallel === true ? _os2.default.cpus().length - 1 : Math.min(Number(parallel) || 0, _os2.default.cpus().length - 1);
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55 | }
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56 |
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57 | _createClass(_class, [{
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58 | key: 'runTasks',
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59 | value: function runTasks(tasks, callback) {
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60 | var _this = this;
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61 |
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62 | if (!tasks.length) {
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63 | callback(null, []);
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64 | return;
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65 | }
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66 |
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67 | if (this.maxConcurrentWorkers > 0) {
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68 | var workerOptions = process.platform === 'win32' ? { maxConcurrentWorkers: this.maxConcurrentWorkers, maxConcurrentCallsPerWorker: 1 } : { maxConcurrentWorkers: this.maxConcurrentWorkers };
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69 | this.workers = (0, _workerFarm2.default)(workerOptions, workerFile);
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70 | this.boundWorkers = function (options, cb) {
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71 | return _this.workers((0, _serializeJavascript2.default)(options), cb);
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72 | };
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73 | } else {
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74 | this.boundWorkers = function (options, cb) {
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75 | try {
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76 | cb(null, (0, _minify2.default)(options));
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77 | } catch (errors) {
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78 | cb(errors);
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79 | }
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80 | };
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81 | }
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82 |
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83 | var toRun = tasks.length;
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84 | var results = [];
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85 | var step = function step(index, data) {
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86 | toRun -= 1;
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87 | results[index] = data;
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88 |
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89 | if (!toRun) {
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90 | callback(null, results);
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91 | }
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92 | };
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93 |
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94 | tasks.forEach(function (task, index) {
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95 | var enqueue = function enqueue() {
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96 | _this.boundWorkers(task, function (error, data) {
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97 | var result = error ? { error } : data;
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98 | var done = function done() {
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99 | return step(index, result);
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100 | };
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101 |
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102 | if (_this.cacheDir && !result.error) {
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103 | _cacache2.default.put(_this.cacheDir, task.cacheKey, JSON.stringify(data)).then(done, done);
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104 | } else {
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105 | done();
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106 | }
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107 | });
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108 | };
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109 |
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110 | if (_this.cacheDir) {
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111 | _cacache2.default.get(_this.cacheDir, task.cacheKey).then(function (_ref) {
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112 | var data = _ref.data;
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113 | return step(index, JSON.parse(data));
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114 | }, enqueue);
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115 | } else {
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116 | enqueue();
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117 | }
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118 | });
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119 | }
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120 | }, {
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121 | key: 'exit',
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122 | value: function exit() {
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123 | if (this.workers) {
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124 | _workerFarm2.default.end(this.workers);
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125 | }
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126 | }
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127 | }]);
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128 |
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129 | return _class;
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130 | }();
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131 |
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132 | exports.default = _class; |
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