41 lines
1.4 KiB
TypeScript
41 lines
1.4 KiB
TypeScript
/**
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* Copyright (c) 2016 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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interface INavigator {
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userAgent: string;
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language: string;
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platform: string;
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}
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// We're declaring a navigator global here as we expect it in all runtimes (node and browser), but
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// we want this module to live in common.
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declare const navigator: INavigator;
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const isNode = (typeof navigator === 'undefined') ? true : false;
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const userAgent = (isNode) ? 'node' : navigator.userAgent;
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const platform = (isNode) ? 'node' : navigator.platform;
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export const isFirefox = !!~userAgent.indexOf('Firefox');
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export const isSafari = /^((?!chrome|android).)*safari/i.test(userAgent);
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export const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');
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// Find the users platform. We use this to interpret the meta key
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// and ISO third level shifts.
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// http://stackoverflow.com/q/19877924/577598
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export const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);
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export const isIpad = platform === 'iPad';
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export const isIphone = platform === 'iPhone';
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export const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);
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export const isLinux = platform.indexOf('Linux') >= 0;
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/**
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* Return if the given array contains the given element
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* @param arr The array to search for the given element.
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* @param el The element to look for into the array
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*/
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function contains(arr: any[], el: any): boolean {
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return arr.indexOf(el) >= 0;
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}
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