sourcebuster/src/js/helpers/uri.js

Get sources of your site's visitors (utm / organic / referral / typein).

"use strict";

module.exports = {

  parse: function(str) {
    var o = this.parseOptions,
        m = o.parser[o.strictMode ? 'strict' : 'loose'].exec(str),
        uri = {},
        i = 14;

    while (i--) { uri[o.key[i]] = m[i] || ''; }

    uri[o.q.name] = {};
    uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
      if ($1) { uri[o.q.name][$1] = $2; }
    });

    return uri;
  },

  parseOptions: {
    strictMode: false,
    key: ['source','protocol','authority','userInfo','user','password','host','port','relative','path','directory','file','query','anchor'],
    q: {
      name:   'queryKey',
      parser: /(?:^|&)([^&=]*)=?([^&]*)/g
    },
    parser: {
      strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
      loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
    }
  },

  getParam: function(custom_params) {
    var query_string = {},
        query = custom_params ? custom_params : window.location.search.substring(1),
        vars = query.split('&');

    for (var i = 0; i < vars.length; i++) {
      var pair = vars[i].split('=');
      if (typeof query_string[pair[0]] === 'undefined') {
        query_string[pair[0]] = pair[1];
      } else if (typeof query_string[pair[0]] === 'string') {
        var arr = [ query_string[pair[0]], pair[1] ];
        query_string[pair[0]] = arr;
      } else {
        query_string[pair[0]].push(pair[1]);
      }
    }
    return query_string;
  },

  getHost: function(request) {
    return this.parse(request).host.replace('www.', '');
  }

};