Function buildUrl

test/fixtures/foo.js:8399–8422

(url, params)

    function buildUrl(url, params) {
      if (!params) return url;
      var parts = [];
      forEachSorted(params, function(value, key) {
        if (value === null || isUndefined(value)) return;
        if (!isArray(value)) value = [value];

        forEach(value, function(v) {
          if (isObject(v)) {
            if (isDate(v)){
              v = v.toISOString();
            } else if (isObject(v)) {
              v = toJson(v);
            }
          }
          parts.push(encodeUriQuery(key) + '=' +
                     encodeUriQuery(v));
        });
      });
      if(parts.length > 0) {
        url += ((url.indexOf('?') == -1) ? '?' : '&') + parts.join('&');
      }
      return url;
    }
  }];
}