Blank Search Query Patch

theme.js

initHeader: function (container) {
    var self = this;
    var $container = $(container);
    var isAndroid = navigator.userAgent.indexOf("Android") > -1;
    if (isAndroid) {
      $('#searchInputMobile', container).focus(function () {
        $('body').addClass("fixfixed");
      });

      $('#searchInputMobile', container).blur(function () {
        $('body').removeClass("fixfixed");
      });
    }
    $container.find(self._selectors.openSearch).click(
      function (e) {
        e.stopPropagation();
        if ($container.find(self._selectors.searchContainer).hasClass(self._classes.searching)) {
          self._closeSearch($container);
        } else {
          self._openSearch($container);
        }
      }
    );
    $container.find(self._selectors.mobileSearchOpen).click(function () { self._openMobileSearch($container); });
    $container.find(self._selectors.mobileSearchExit).click(function () { self._closeMobileSearch($container); });
    //Search submission
    $container.find(self._selectors.searchNavSubmit).click(function (e) {
      e.preventDefault();
      var $container = $(this).closest('form');

      //Get the base search text
      var searchText = $(self._selectors.searchTextInput, $container).val();
      var searchQuery = "q=" + (searchText === '' ? '' : encodeURIComponent(searchText));

      //Gather the filters
      var searchFilters = '';
      var typeSelection = $(self._selectors.searchTypeSelect + ' option:selected', $container).val();
      var vendorSelection = $(self._selectors.searchVendorSelect + ' option:selected', $container).val();
      var productType = $(self._selectors.searchProdTypeSelect + ' option:selected', $container).val();

      if (vendorSelection && vendorSelection !== '') {
        searchFilters += " vendor:" + encodeURIComponent(vendorSelection);
      }
      if (productType && productType !== '') {
        if (searchFilters != '') searchFilters += ' '
        searchFilters += 'product_type:' + encodeURIComponent(productType);
      }
      if (typeSelection && typeSelection !== '') {
        searchFilters += '&type=' + encodeURIComponent(typeSelection);
      }
      if (searchFilters != '') {
        if (searchQuery != '') {
          searchQuery += searchFilters;
        } else {
          searchQuery += '??' + searchFilters;
        }
      }

      window.location.href = '/search?' + searchQuery;
    });
},