update

node_modules/jest-worker/build/workers/ChildProcessWorker.d.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 /// <reference types="node" />
-import { ChildMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
+import { ChildMessage, OnCustomMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
 /**
  * This class wraps the child process and provides a nice interface to
  * communicate with. It takes care of:
@@ -30,6 +30,7 @@ export default class ChildProcessWorker implements WorkerInterface {
     private _request;
     private _retries;
     private _onProcessEnd;
+    private _onCustomMessage;
     private _fakeStream;
     private _stdout;
     private _stderr;
@@ -40,7 +41,7 @@ export default class ChildProcessWorker implements WorkerInterface {
     private _shutdown;
     private _onMessage;
     private _onExit;
-    send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd): void;
+    send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd, onCustomMessage: OnCustomMessage): void;
     waitForExit(): Promise<void>;
     forceExit(): void;
     getWorkerId(): number;

node_modules/jest-worker/build/workers/ChildProcessWorker.js

@@ -109,6 +109,8 @@ class ChildProcessWorker {
 
     _defineProperty(this, '_onProcessEnd', void 0);
 
+    _defineProperty(this, '_onCustomMessage', void 0);
+
     _defineProperty(this, '_fakeStream', void 0);
 
     _defineProperty(this, '_stdout', void 0);
@@ -214,6 +216,7 @@ class ChildProcessWorker {
   }
 
   _onMessage(response) {
+    // TODO: Add appropriate type check
     let error;
 
     switch (response[0]) {
@@ -226,7 +229,7 @@ class ChildProcessWorker {
         error = response[4];
 
         if (error != null && typeof error === 'object') {
-          const extra = error; // @ts-ignore: no index
+          const extra = error; // @ts-expect-error: no index
 
           const NativeCtor = global[response[1]];
           const Ctor = typeof NativeCtor === 'function' ? NativeCtor : Error;
@@ -235,7 +238,6 @@ class ChildProcessWorker {
           error.stack = response[3];
 
           for (const key in extra) {
-            // @ts-ignore: adding custom properties to errors.
             error[key] = extra[key];
           }
         }
@@ -245,8 +247,7 @@ class ChildProcessWorker {
         break;
 
       case _types().PARENT_MESSAGE_SETUP_ERROR:
-        error = new Error('Error when calling setup: ' + response[2]); // @ts-ignore: adding custom properties to errors.
-
+        error = new Error('Error when calling setup: ' + response[2]);
         error.type = response[1];
         error.stack = response[3];
 
@@ -254,6 +255,11 @@ class ChildProcessWorker {
 
         break;
 
+      case _types().PARENT_MESSAGE_CUSTOM:
+        this._onCustomMessage(response[1]);
+
+        break;
+
       default:
         throw new TypeError('Unexpected response from worker: ' + response[0]);
     }
@@ -275,7 +281,7 @@ class ChildProcessWorker {
     }
   }
 
-  send(request, onProcessStart, onProcessEnd) {
+  send(request, onProcessStart, onProcessEnd, onCustomMessage) {
     onProcessStart(this);
 
     this._onProcessEnd = (...args) => {
@@ -285,6 +291,8 @@ class ChildProcessWorker {
       return onProcessEnd(...args);
     };
 
+    this._onCustomMessage = (...arg) => onCustomMessage(...arg);
+
     this._request = request;
     this._retries = 0;
 

node_modules/jest-worker/build/workers/NodeThreadsWorker.d.ts

@@ -5,13 +5,14 @@
  * LICENSE file in the root directory of this source tree.
  */
 /// <reference types="node" />
-import { ChildMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
+import { ChildMessage, OnCustomMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
 export default class ExperimentalWorker implements WorkerInterface {
     private _worker;
     private _options;
     private _request;
     private _retries;
     private _onProcessEnd;
+    private _onCustomMessage;
     private _fakeStream;
     private _stdout;
     private _stderr;
@@ -25,7 +26,7 @@ export default class ExperimentalWorker implements WorkerInterface {
     private _onExit;
     waitForExit(): Promise<void>;
     forceExit(): void;
-    send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd): void;
+    send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd, onCustomMessage: OnCustomMessage): void;
     getWorkerId(): number;
     getStdout(): NodeJS.ReadableStream | null;
     getStderr(): NodeJS.ReadableStream | null;

node_modules/jest-worker/build/workers/NodeThreadsWorker.js

@@ -127,6 +127,8 @@ class ExperimentalWorker {
 
     _defineProperty(this, '_onProcessEnd', void 0);
 
+    _defineProperty(this, '_onCustomMessage', void 0);
+
     _defineProperty(this, '_fakeStream', void 0);
 
     _defineProperty(this, '_stdout', void 0);
@@ -156,6 +158,8 @@ class ExperimentalWorker {
       path().resolve(__dirname, './threadChild.js'),
       {
         eval: false,
+        // @ts-expect-error: added in newer versions
+        resourceLimits: this._options.resourceLimits,
         stderr: true,
         stdout: true,
         workerData: {
@@ -246,7 +250,7 @@ class ExperimentalWorker {
         error = response[4];
 
         if (error != null && typeof error === 'object') {
-          const extra = error; // @ts-ignore: no index
+          const extra = error; // @ts-expect-error: no index
 
           const NativeCtor = global[response[1]];
           const Ctor = typeof NativeCtor === 'function' ? NativeCtor : Error;
@@ -255,7 +259,7 @@ class ExperimentalWorker {
           error.stack = response[3];
 
           for (const key in extra) {
-            // @ts-ignore: no index
+            // @ts-expect-error: no index
             error[key] = extra[key];
           }
         }
@@ -265,7 +269,7 @@ class ExperimentalWorker {
         break;
 
       case _types().PARENT_MESSAGE_SETUP_ERROR:
-        error = new Error('Error when calling setup: ' + response[2]); // @ts-ignore: adding custom properties to errors.
+        error = new Error('Error when calling setup: ' + response[2]); // @ts-expect-error: adding custom properties to errors.
 
         error.type = response[1];
         error.stack = response[3];
@@ -274,6 +278,11 @@ class ExperimentalWorker {
 
         break;
 
+      case _types().PARENT_MESSAGE_CUSTOM:
+        this._onCustomMessage(response[1]);
+
+        break;
+
       default:
         throw new TypeError('Unexpected response from worker: ' + response[0]);
     }
@@ -301,7 +310,7 @@ class ExperimentalWorker {
     this._worker.terminate();
   }
 
-  send(request, onProcessStart, onProcessEnd) {
+  send(request, onProcessStart, onProcessEnd, onCustomMessage) {
     onProcessStart(this);
 
     this._onProcessEnd = (...args) => {
@@ -311,6 +320,8 @@ class ExperimentalWorker {
       return onProcessEnd(...args);
     };
 
+    this._onCustomMessage = (...arg) => onCustomMessage(...arg);
+
     this._request = request;
     this._retries = 0;
 

node_modules/jest-worker/build/workers/messageParent.d.ts

@@ -0,0 +1,9 @@
+/**
+ * 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.
+ */
+/// <reference types="node" />
+declare const messageParent: (message: unknown, parentProcess?: NodeJS.Process) => void;
+export default messageParent;

node_modules/jest-worker/build/workers/messageParent.js

@@ -0,0 +1,51 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.default = void 0;
+
+function _types() {
+  const data = require('../types');
+
+  _types = function () {
+    return data;
+  };
+
+  return data;
+}
+
+/**
+ * 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 isWorkerThread = () => {
+  try {
+    // `Require` here to support Node v10
+    const {isMainThread, parentPort} = require('worker_threads');
+
+    return !isMainThread && parentPort;
+  } catch {
+    return false;
+  }
+};
+
+const messageParent = (message, parentProcess = process) => {
+  try {
+    if (isWorkerThread()) {
+      // `Require` here to support Node v10
+      const {parentPort} = require('worker_threads');
+
+      parentPort.postMessage([_types().PARENT_MESSAGE_CUSTOM, message]);
+    } else if (typeof parentProcess.send === 'function') {
+      parentProcess.send([_types().PARENT_MESSAGE_CUSTOM, message]);
+    }
+  } catch {
+    throw new Error('"messageParent" can only be used inside a worker');
+  }
+};
+
+var _default = messageParent;
+exports.default = _default;

node_modules/jest-worker/build/workers/processChild.js

@@ -133,6 +133,11 @@ function execMethod(method, args) {
   execFunction(main.setup, main, setupArgs, execHelper, reportInitializeError);
 }
 
+const isPromise = obj =>
+  !!obj &&
+  (typeof obj === 'object' || typeof obj === 'function') &&
+  typeof obj.then === 'function';
+
 function execFunction(fn, ctx, args, onResult, onError) {
   let result;
 
@@ -143,7 +148,7 @@ function execFunction(fn, ctx, args, onResult, onError) {
     return;
   }
 
-  if (result && typeof result.then === 'function') {
+  if (isPromise(result)) {
     result.then(onResult, onError);
   } else {
     onResult(result);

node_modules/jest-worker/build/workers/threadChild.js

@@ -146,6 +146,11 @@ function execMethod(method, args) {
   execFunction(main.setup, main, setupArgs, execHelper, reportInitializeError);
 }
 
+const isPromise = obj =>
+  !!obj &&
+  (typeof obj === 'object' || typeof obj === 'function') &&
+  typeof obj.then === 'function';
+
 function execFunction(fn, ctx, args, onResult, onError) {
   let result;
 
@@ -156,7 +161,7 @@ function execFunction(fn, ctx, args, onResult, onError) {
     return;
   }
 
-  if (result && typeof result.then === 'function') {
+  if (isPromise(result)) {
     result.then(onResult, onError);
   } else {
     onResult(result);