Function simulateMobile

packages/@react-spectrum/test-utils/src/testSetup.ts:19–23

(width: number = 700)

 *   mobile rendering.
 */
export function simulateMobile(width: number = 700): void {
  jest
    .spyOn(window.screen, 'width', 'get')
    .mockImplementation(() => Math.min(Math.max(width, 0), 700));
}

/**
 * Mocks screen width to simulate standard desktop experience.