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73 lines
1.5 KiB
73 lines
1.5 KiB
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/**
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* Module dependencies.
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*/
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var parseuri = require('parseuri');
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var debug = require('debug')('socket.io-client:url');
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/**
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* Module exports.
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*/
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module.exports = url;
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/**
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* URL parser.
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*
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* @param {String} url
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* @param {Object} An object meant to mimic window.location.
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* Defaults to window.location.
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* @api public
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*/
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function url(uri, loc){
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var obj = uri;
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// default to window.location
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var loc = loc || global.location;
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if (null == uri) uri = loc.protocol + '//' + loc.hostname;
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// relative path support
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if ('string' == typeof uri) {
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if ('/' == uri.charAt(0)) {
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if ('/' == uri.charAt(1)) {
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uri = loc.protocol + uri;
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} else {
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uri = loc.hostname + uri;
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}
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}
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if (!/^(https?|wss?):\/\//.test(uri)) {
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debug('protocol-less url %s', uri);
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if ('undefined' != typeof loc) {
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uri = loc.protocol + '//' + uri;
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} else {
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uri = 'https://' + uri;
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}
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}
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// parse
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debug('parse %s', uri);
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obj = parseuri(uri);
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}
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// make sure we treat `localhost:80` and `localhost` equally
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if (!obj.port) {
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if (/^(http|ws)$/.test(obj.protocol)) {
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obj.port = '80';
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}
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else if (/^(http|ws)s$/.test(obj.protocol)) {
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obj.port = '443';
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}
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}
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obj.path = obj.path || '/';
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// define unique id
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obj.id = obj.protocol + '://' + obj.host + ':' + obj.port;
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// define href
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obj.href = obj.protocol + '://' + obj.host + (loc && loc.port == obj.port ? '' : (':' + obj.port));
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return obj;
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}
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