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- /**
- * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /* globals navigator:false */
- /**
- * @module utils/env
- */
- const userAgent = navigator.userAgent.toLowerCase();
- /**
- * A namespace containing environment and browser information.
- *
- * @namespace
- */
- const env = {
- /**
- * Indicates that the application is running on Macintosh.
- *
- * @static
- * @type {Boolean}
- */
- isMac: isMac( userAgent ),
- /**
- * Indicates that the application is running in Microsoft Edge.
- *
- * @static
- * @type {Boolean}
- */
- isEdge: isEdge( userAgent ),
- /**
- * Indicates that the application is running in Firefox (Gecko).
- *
- * @static
- * @type {Boolean}
- */
- isGecko: isGecko( userAgent ),
- /**
- * Indicates that the application is running in Safari.
- *
- * @static
- * @type {Boolean}
- */
- isSafari: isSafari( userAgent )
- };
- export default env;
- /**
- * Checks if User Agent represented by the string is running on Macintosh.
- *
- * @param {String} userAgent **Lowercase** `navigator.userAgent` string.
- * @returns {Boolean} Whether User Agent is running on Macintosh or not.
- */
- export function isMac( userAgent ) {
- return userAgent.indexOf( 'macintosh' ) > -1;
- }
- /**
- * Checks if User Agent represented by the string is Microsoft Edge.
- *
- * @param {String} userAgent **Lowercase** `navigator.userAgent` string.
- * @returns {Boolean} Whether User Agent is Edge or not.
- */
- export function isEdge( userAgent ) {
- return !!userAgent.match( /edge\/(\d+.?\d*)/ );
- }
- /**
- * Checks if User Agent represented by the string is Firefox (Gecko).
- *
- * @param {String} userAgent **Lowercase** `navigator.userAgent` string.
- * @returns {Boolean} Whether User Agent is Firefox or not.
- */
- export function isGecko( userAgent ) {
- return !!userAgent.match( /gecko\/\d+/ );
- }
- /**
- * Checks if User Agent represented by the string is Safari.
- *
- * @param {String} userAgent **Lowercase** `navigator.userAgent` string.
- * @returns {Boolean} Whether User Agent is Safari or not.
- */
- export function isSafari( userAgent ) {
- return userAgent.indexOf( ' applewebkit/' ) > -1 && userAgent.indexOf( 'chrome' ) === -1;
- }
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