v6

node_modules/jest-worker/build/base/BaseWorkerPool.js

@@ -0,0 +1,134 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+
+function _path() {
+  const data = _interopRequireDefault(require('path'));
+
+  _path = function _path() {
+    return data;
+  };
+
+  return data;
+}
+
+function _mergeStream() {
+  const data = _interopRequireDefault(require('merge-stream'));
+
+  _mergeStream = function _mergeStream() {
+    return data;
+  };
+
+  return data;
+}
+
+var _types = require('../types');
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : {default: obj};
+}
+
+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;
+}
+
+/* istanbul ignore next */
+const emptyMethod = () => {};
+
+class BaseWorkerPool {
+  constructor(workerPath, options) {
+    _defineProperty(this, '_stderr', void 0);
+
+    _defineProperty(this, '_stdout', void 0);
+
+    _defineProperty(this, '_options', void 0);
+
+    _defineProperty(this, '_workers', void 0);
+
+    this._options = options;
+    this._workers = new Array(options.numWorkers);
+
+    if (!_path().default.isAbsolute(workerPath)) {
+      workerPath = require.resolve(workerPath);
+    }
+
+    const stdout = (0, _mergeStream().default)();
+    const stderr = (0, _mergeStream().default)();
+    const forkOptions = options.forkOptions,
+      maxRetries = options.maxRetries,
+      setupArgs = options.setupArgs;
+
+    for (let i = 0; i < options.numWorkers; i++) {
+      const workerOptions = {
+        forkOptions,
+        maxRetries,
+        setupArgs,
+        workerId: i,
+        workerPath
+      };
+      const worker = this.createWorker(workerOptions);
+      const workerStdout = worker.getStdout();
+      const workerStderr = worker.getStderr();
+
+      if (workerStdout) {
+        stdout.add(workerStdout);
+      }
+
+      if (workerStderr) {
+        stderr.add(workerStderr);
+      }
+
+      this._workers[i] = worker;
+    }
+
+    this._stdout = stdout;
+    this._stderr = stderr;
+  }
+
+  getStderr() {
+    return this._stderr;
+  }
+
+  getStdout() {
+    return this._stdout;
+  }
+
+  getWorkers() {
+    return this._workers;
+  }
+
+  getWorkerById(workerId) {
+    return this._workers[workerId];
+  }
+
+  createWorker(_workerOptions) {
+    throw Error('Missing method createWorker in WorkerPool');
+  }
+
+  end() {
+    // We do not cache the request object here. If so, it would only be only
+    // processed by one of the workers, and we want them all to close.
+    for (let i = 0; i < this._workers.length; i++) {
+      this._workers[i].send(
+        [_types.CHILD_MESSAGE_END, false],
+        emptyMethod,
+        emptyMethod
+      );
+    }
+  }
+}
+
+exports.default = BaseWorkerPool;