presentazione-papero/js/utils/device.js
2020-03-10 10:18:37 +01:00

15 lines
677 B
JavaScript

const UA = navigator.userAgent;
const testElement = document.createElement( 'div' );
export const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||
( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS
export const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
export const isAndroid = /android/gi.test( UA );
// Flags if we should use zoom instead of transform to scale
// up slides. Zoom produces crisper results but has a lot of
// xbrowser quirks so we only use it in whitelisted browsers.
export const supportsZoom = 'zoom' in testElement.style && !isMobile &&
( isChrome || /Version\/[\d\.]+.*Safari/.test( UA ) );