var renderResults = function()

in firestore/scripts/FriendlyEats.View.js [58:106]
32 lines of code
5 McCabe index (conditional complexity)

  var renderResults = function(doc) {
    if (!doc) {
      var headerEl = that.renderTemplate('header-base', {
        hasSectionHeader: true
      });

      var noResultsEl = that.renderTemplate('no-results');

      that.replaceElement(
        headerEl.querySelector('#section-header'),
        that.renderTemplate('filter-display', {
          filter_description: filter_description
        })
      );

      headerEl.querySelector('#show-filters').addEventListener('click', function() {
        that.dialogs.filter.show();
      });

      that.replaceElement(document.querySelector('.header'), headerEl);
      that.replaceElement(document.querySelector('main'), noResultsEl);
      return;
    }
    var data = doc.data();
    data['.id'] = doc.id;
    data['go_to_restaurant'] = function() {
      that.router.navigate('/restaurants/' + doc.id);
    };

    // check if restaurant card has already been rendered
    var existingRestaurantCardEl = mainEl.querySelector('#' + that.ID_CONSTANT + doc.id);
    var el = existingRestaurantCardEl || that.renderTemplate('restaurant-card', data);

    var ratingEl = el.querySelector('.rating');
    var priceEl = el.querySelector('.price');

    // clear out existing rating and price if they already exist
    if (existingRestaurantCardEl) {
      ratingEl.innerHTML = '';
      priceEl.innerHTML = '';
    }

    ratingEl.append(that.renderRating(data.avgRating));
    priceEl.append(that.renderPrice(data.price));

    if (!existingRestaurantCardEl) {
      mainEl.querySelector('#cards').append(el);
    }
  };