1. /**

  2.  * Copyright (c) Meta Platforms, Inc. and affiliates.

  3.  *

  4.  * This source code is licensed under the MIT license found in the

  5.  * LICENSE file in the root directory of this source tree.

  6.  *

  7.  * @emails react-core

  8.  */

  9. 

  10. 'use strict';

  11. 

  12. /**

  13.  * Change environment support for PointerEvent.

  14.  */

  15. 

  16. function emptyFunction() {}

  17. 

  18. export function hasPointerEvent() {

  19.   return global != null && global.PointerEvent != null;

  20. }

  21. 

  22. export function setPointerEvent(bool) {

  23.   const pointerCaptureFn = name => id => {

  24.     if (typeof id !== 'number') {

  25.       if (__DEV__) {

  26.         console.error('A pointerId must be passed to "%s"', name);

  27.       }

  28.     }

  29.   };

  30.   global.PointerEvent = bool ? emptyFunction : undefined;

  31.   global.HTMLElement.prototype.setPointerCapture = bool

  32.     ? pointerCaptureFn('setPointerCapture')

  33.     : undefined;

  34.   global.HTMLElement.prototype.releasePointerCapture = bool

  35.     ? pointerCaptureFn('releasePointerCapture')

  36.     : undefined;

  37. }

  38. 

  39. /**

  40.  * Change environment host platform.

  41.  */

  42. 

  43. const platformGetter = jest.spyOn(global.navigator, 'platform', 'get');

  44. 

  45. export const platform = {

  46.   clear() {

  47.     platformGetter.mockClear();

  48.   },

  49.   get() {

  50.     return global.navigator.platform === 'MacIntel' ? 'mac' : 'windows';

  51.   },

  52.   set(name: 'mac' | 'windows') {

  53.     switch (name) {

  54.       case 'mac': {

  55.         platformGetter.mockReturnValue('MacIntel');

  56.         break;

  57.       }

  58.       case 'windows': {

  59.         platformGetter.mockReturnValue('Win32');

  60.         break;

  61.       }

  62.       default: {

  63.         break;

  64.       }

  65.     }

  66.   },

  67. };
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