fix(jest-util): pass more globals through

passing a set of commong globals through to the env to ensure instanceof checks work as expected.

Fixes jestjs#4422

integration_tests/test-environment/__tests__/globals.test.js

@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @jest-environment node
+ */
+'use strict';
+/* eslint-env node */
+
+test('globals', () => {
+  const buf = Buffer.from('hello');
+  expect(buf instanceof Uint8Array).toEqual(true);
+});

packages/jest-util/src/install_common_globals.js

@@ -28,6 +28,24 @@ module.exports = (global: Global, globals: ConfigGlobals) => {
   // Forward some APIs
   global.Buffer = Buffer;
 
+  global.ArrayBuffer = ArrayBuffer;
+  global.DataView = DataView;
+
+  global.Uint8Array = Uint8Array;
+  global.Uint8ClampedArray = Uint8ClampedArray;
+  global.Uint16Array = Uint16Array;
+  global.Uint32Array = Uint32Array;
+  global.Int8Array = Int8Array;
+  global.Int16Array = Int16Array;
+  global.Int32Array = Int32Array;
+  global.Float32Array = Float32Array;
+  global.Float64Array = Float64Array;
+
+  global.Map = Map;
+  global.Set = Set;
+
+  global.Promise = Promise;
+
   // `global.process` is mutated by FakeTimers. Make a copy of the
   // object for the jsdom environment to prevent memory leaks.
   // Overwrite toString to make it look like the real process object