supportsClipboard

1/**
2 * Checks if the Clipboard API is supported in the current environment.
3 *
4 * @returns True if clipboard access is supported, false otherwise.
5 */
6export function supportsClipboard(): boolean {
7  return typeof navigator !== 'undefined' &&
8         typeof navigator.clipboard !== 'undefined';
9}

1test('supportsClipboard - should return true if navigator.clipboard exists', () => {
2  const originalNavigator = global.navigator;
3  global.navigator = { clipboard: {} } as Navigator;
4  expect(supportsClipboard()).toBe(true);
5  global.navigator = originalNavigator;
6});
7
8test('supportsClipboard - should return false if navigator is undefined', () => {
9  const originalNavigator = global.navigator;
10  // @ts-expect-error
11  delete global.navigator;
12  expect(supportsClipboard()).toBe(false);
13  global.navigator = originalNavigator;
14});
15
16test('supportsClipboard - should return false if navigator.clipboard is undefined', () => {
17  const originalNavigator = global.navigator;
18  global.navigator = {} as Navigator;
19  expect(supportsClipboard()).toBe(false);
20  global.navigator = originalNavigator;
21});