jasmine/src/html/QueryString.js

jasmine.QueryString = function(options) {

  this.setParam = function(key, value) {
    var paramMap = queryStringToParamMap();
    paramMap[key] = value;
    options.getWindowLocation().search = toQueryString(paramMap);
  };

  this.getParam = function(key) {
    return queryStringToParamMap()[key];
  };

  return this;

  function toQueryString(paramMap) {
    var qStrPairs = [];
    for (var prop in paramMap) {
      qStrPairs.push(encodeURIComponent(prop) + "=" + encodeURIComponent(paramMap[prop]));
    }
    return "?" + qStrPairs.join('&');
  }

  function queryStringToParamMap() {
    var paramStr = options.getWindowLocation().search.substring(1),
      params = [],
      paramMap = {};

    if (paramStr.length > 0) {
      params = paramStr.split('&');
      for (var i = 0; i < params.length; i++) {
        var p = params[i].split('=');
        var value = decodeURIComponent(p[1]);
        if (value === "true" || value === "false") {
          value = JSON.parse(value);
        }
        paramMap[decodeURIComponent(p[0])] = value;
      }
    }

    return paramMap;
  }

};