1. Module bundling added to reduce server calls as each file was taking ~440 ms to load on public server.\n2. JavaScript lib files refactored with OOP for use with module bundling.

node_modules/jest-worker/build/Farm.d.ts

@@ -0,0 +1,29 @@
+/**
+ * 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.
+ */
+import { FarmOptions, PromiseWithCustomMessage, TaskQueue } from './types';
+export default class Farm {
+    private _numOfWorkers;
+    private _callback;
+    private readonly _computeWorkerKey;
+    private readonly _workerSchedulingPolicy;
+    private readonly _cacheKeys;
+    private readonly _locks;
+    private _offset;
+    private readonly _taskQueue;
+    constructor(_numOfWorkers: number, _callback: Function, options?: {
+        computeWorkerKey?: FarmOptions['computeWorkerKey'];
+        workerSchedulingPolicy?: FarmOptions['workerSchedulingPolicy'];
+        taskQueue?: TaskQueue;
+    });
+    doWork(method: string, ...args: Array<unknown>): PromiseWithCustomMessage<unknown>;
+    private _process;
+    private _push;
+    private _getNextWorkerOffset;
+    private _lock;
+    private _unlock;
+    private _isLocked;
+}