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setup-python/node_modules/jest-worker/build/WorkerPool.js

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2019-06-27 01:12:00 +00:00
'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
var _BaseWorkerPool = _interopRequireDefault(require('./base/BaseWorkerPool'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const canUseWorkerThreads = () => {
try {
require('worker_threads');
return true;
} catch (_) {
return false;
}
};
class WorkerPool extends _BaseWorkerPool.default {
send(workerId, request, onStart, onEnd) {
this.getWorkerById(workerId).send(request, onStart, onEnd);
}
createWorker(workerOptions) {
let Worker;
if (this._options.enableWorkerThreads && canUseWorkerThreads()) {
Worker = require('./workers/NodeThreadsWorker').default;
} else {
Worker = require('./workers/ChildProcessWorker').default;
}
return new Worker(workerOptions);
}
}
var _default = WorkerPool;
exports.default = _default;