kopia lustrzana https://gitlab.com/soapbox-pub/soapbox
35 wiersze
1.0 KiB
TypeScript
35 wiersze
1.0 KiB
TypeScript
'use strict';
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import { supportsPassiveEvents } from 'detect-passive-events';
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/** Breakpoint at which the application is considered "mobile". */
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const LAYOUT_BREAKPOINT = 630;
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/** Check if the width is small enough to be considered "mobile". */
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export function isMobile(width: number) {
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return width <= LAYOUT_BREAKPOINT;
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}
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/** Whether the device is iOS (best guess). */
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const iOS: boolean = /iPad|iPhone|iPod/.test(navigator.userAgent) && !(window as any).MSStream;
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let userTouching = false;
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const listenerOptions = supportsPassiveEvents ? { passive: true } as EventListenerOptions : false;
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function touchListener(): void {
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userTouching = true;
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window.removeEventListener('touchstart', touchListener, listenerOptions);
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}
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window.addEventListener('touchstart', touchListener, listenerOptions);
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/** Whether the user has touched the screen since the page loaded. */
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export function isUserTouching(): boolean {
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return userTouching;
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}
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/** Whether the device is iOS (best guess). */
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export function isIOS(): boolean {
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return iOS;
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}
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