Initial commit

2018-06-29 00:00:48 -07:00
commit f72587d80e
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+/* browser.js v0.1-dev | @ajlkn | MIT licensed */
+
+var browser = (function() { "use strict"; var _ = {
+
+	/**
+	 * Name.
+	 * @var {string}
+	 */
+	name: null,
+
+	/**
+	 * Version.
+	 * @var {float}
+	 */
+	version: null,
+
+	/**
+	 * OS.
+	 * @var {string}
+	 */
+	os: null,
+
+	/**
+	 * OS version.
+	 * @var {float}
+	 */
+	osVersion: null,
+
+	/**
+	 * Touch.
+	 * @var {bool}
+	 */
+	touch: null,
+
+	/**
+	 * Mobile.
+	 * @var {bool}
+	 */
+	mobile: null,
+
+	/**
+	 * Temporary element for canUse()
+	 * @var {DOMElement}
+	 */
+	_canUse: null,
+
+	/**
+	 * Determines if the browser supports a given property.
+	 * @param {string} p Property.
+	 * @return {bool} True if property is supported, false if not.
+	 */
+	canUse: function(p) {
+
+		// Create temporary element if it doesn't already exist.
+			if (!_._canUse)
+				_._canUse = document.createElement('div');
+
+		// Check for property.
+			var e = _._canUse.style,
+				up = p.charAt(0).toUpperCase() + p.slice(1);
+
+			return	(
+						p in e
+					||	('Moz' + up) in e
+					||	('Webkit' + up) in e
+					||	('O' + up) in e
+					||	('ms' + up) in e
+			);
+
+	},
+
+	/**
+	 * Initialize.
+	 */
+	init: function() {
+
+		var x, y, a, i, ua = navigator.userAgent;
+
+		// name, version.
+			x = 'other';
+			y = 0;
+			a = [
+				['firefox',		/Firefox\/([0-9\.]+)/],
+				['bb',			/BlackBerry.+Version\/([0-9\.]+)/],
+				['bb',			/BB[0-9]+.+Version\/([0-9\.]+)/],
+				['opera',		/OPR\/([0-9\.]+)/],
+				['opera',		/Opera\/([0-9\.]+)/],
+				['edge',		/Edge\/([0-9\.]+)/],
+				['safari',		/Version\/([0-9\.]+).+Safari/],
+				['chrome',		/Chrome\/([0-9\.]+)/],
+				['ie', 			/MSIE ([0-9]+)/],
+				['ie',			/Trident\/.+rv:([0-9]+)/]
+			];
+
+			for (i=0; i < a.length; i++) {
+
+				if (ua.match(a[i][1])) {
+
+					x = a[i][0];
+					y = parseFloat(RegExp.$1);
+
+					break;
+
+				}
+
+			}
+
+			_.name = x;
+			_.version = y;
+
+		// os, osVersion.
+			x = 'other';
+			y = 0;
+			a = [
+				['ios',			/([0-9_]+) like Mac OS X/,			function(v) { return v.replace('_', '.').replace('_', ''); }],
+				['ios',			/CPU like Mac OS X/,				function(v) { return 0 }],
+				['wp',			/Windows Phone ([0-9\.]+)/,			null],
+				['android',		/Android ([0-9\.]+)/,				null],
+				['mac',			/Macintosh.+Mac OS X ([0-9_]+)/,	function(v) { return v.replace('_', '.').replace('_', ''); }],
+				['windows',		/Windows NT ([0-9\.]+)/,			null],
+				['bb',			/BlackBerry.+Version\/([0-9\.]+)/,	null],
+				['bb',			/BB[0-9]+.+Version\/([0-9\.]+)/,	null]
+			];
+
+			for (i=0; i < a.length; i++) {
+
+				if (ua.match(a[i][1])) {
+
+					x = a[i][0];
+					y = parseFloat( a[i][2] ? (a[i][2])(RegExp.$1) : RegExp.$1 );
+
+					break;
+
+				}
+
+			}
+
+			_.os = x;
+			_.osVersion = y;
+
+		// touch.
+			_.touch = (_.os == 'wp' ? (navigator.msMaxTouchPoints > 0) : !!('ontouchstart' in window));
+
+		// mobile.
+			_.mobile = (_.os == 'wp' || _.os == 'android' || _.os == 'ios' || _.os == 'bb');
+
+	},
+
+}; _.init(); return _; })();
+
+// UMD Wrapper (github.com/umdjs/umd/blob/master/returnExports.js | @umdjs + @nason)
+(function(root, factory) {
+
+	// AMD.
+		if (typeof define === 'function' && define.amd)
+			define([], factory);
+
+	// Node.
+		else if (typeof exports === 'object')
+			module.exports = factory();
+
+	// Browser global.
+		else
+			root.browser = factory();
+
+}(this, function() { return browser; }));