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leaflet fork for copy edit / bug fixes forked from leaflet.pub/leaflet
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TypeScript
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768/* * Copyright 2020 Adobe. All rights reserved. * This file is licensed to you under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. You may obtain a copy * of the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS * OF ANY KIND, either express or implied. See the License for the specific language * governing permissions and limitations under the License. */
function testUserAgent(re: RegExp) { if (typeof window === "undefined" || window.navigator == null) { return false; } return ( //@ts-ignore window.navigator["userAgentData"]?.brands.some( (brand: { brand: string; version: string }) => re.test(brand.brand), ) || re.test(window.navigator.userAgent) );}
function testPlatform(re: RegExp) { return typeof window !== "undefined" && window.navigator != null ? re.test( //@ts-ignore window.navigator["userAgentData"]?.platform || window.navigator.platform, ) : false;}
function cached(fn: () => boolean) { if (process.env.NODE_ENV === "test") { return fn; }
let res: boolean | null = null; return () => { if (res == null) { res = fn(); } return res; };}
export const isMac = cached(function () { return testPlatform(/^Mac/i);});
const isIPhone = cached(function () { return testPlatform(/^iPhone/i);});
const isIPad = cached(function () { return ( testPlatform(/^iPad/i) || // iPadOS 13 lies and says it's a Mac, but we can distinguish by detecting touch support. (isMac() && navigator.maxTouchPoints > 1) );});
export const isIOS = cached(function () { return isIPhone() || isIPad();});