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shrine-medco/shrine-webclient/src/main/html/node_modules/socket.io-client/lib/url.js
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url.js
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			/**
			* Module dependencies.
			*/

			var parseuri = require('parseuri');
			var debug = require('debug')('socket.io-client:url');

			/**
			* Module exports.
			*/

			module.exports = url;

			/**
			* URL parser.
			*
			* @param {String} url
			* @param {Object} An object meant to mimic window.location.
			* Defaults to window.location.
			* @api public
			*/

			function url(uri, loc){
			var obj = uri;

			// default to window.location
			var loc = loc \|\| global.location;
			if (null == uri) uri = loc.protocol + '//' + loc.host;

			// relative path support
			if ('string' == typeof uri) {
			if ('/' == uri.charAt(0)) {
			if ('/' == uri.charAt(1)) {
			uri = loc.protocol + uri;
			} else {
			uri = loc.host + uri;
			}
			}

			if (!/^(https?\|wss?):\/\//.test(uri)) {
			debug('protocol-less url %s', uri);
			if ('undefined' != typeof loc) {
			uri = loc.protocol + '//' + uri;
			} else {
			uri = 'https://' + uri;
			}
			}

			// parse
			debug('parse %s', uri);
			obj = parseuri(uri);
			}

			// make sure we treat `localhost:80` and `localhost` equally
			if (!obj.port) {
			if (/^(http\|ws)$/.test(obj.protocol)) {
			obj.port = '80';
			}
			else if (/^(http\|ws)s$/.test(obj.protocol)) {
			obj.port = '443';
			}
			}

			obj.path = obj.path \|\| '/';

			var ipv6 = obj.host.indexOf(':') !== -1;
			var host = ipv6 ? '[' + obj.host + ']' : obj.host;

			// define unique id
			obj.id = obj.protocol + '://' + host + ':' + obj.port;
			// define href
			obj.href = obj.protocol + '://' + host + (loc && loc.port == obj.port ? '' : (':' + obj.port));

			return obj;
			}