fix: reflect the changes on cart update

_dev/js/theme.js

@@ -162,4 +162,46 @@ $(function () {
   };
 
   $(".th-accordion").thaccordion();
+
+  prestashop.blockcart = prestashop.blockcart || {};
+  var showModal = prestashop.blockcart.showModal || function(modal) {
+      var $body = $('body');
+      $body.append(modal);
+      $body.one('click', '#blockcart-modal', function(event) {
+          if (event.target.id === 'blockcart-modal') {
+              $(event.target).remove()
+          }
+      })
+  }
+  ;
+  prestashop.on('updateCart', function(event) {
+      var refreshURL = $('.blockcart').data('refresh-url');
+      var requestData = {};
+      if (event && event.reason && typeof event.resp !== 'undefined' && !event.resp.hasError) {
+          requestData = {
+              id_customization: event.reason.idCustomization,
+              id_product_attribute: event.reason.idProductAttribute,
+              id_product: event.reason.idProduct,
+              action: event.reason.linkAction
+          }
+      }
+      if (event && event.resp && event.resp.hasError) {
+          prestashop.emit('showErrorNextToAddtoCartButton', {
+              errorMessage: event.resp.errors.join('<br/>')
+          })
+      }
+      $.post(refreshURL, requestData).then(function(resp) {
+        // TODO: keeping this over here, for later purposes if need be
+          // var html = $('<div />').append($.parseHTML(resp.preview));
+          // $('.blockcart').replaceWith($(resp.preview).find('.blockcart'));
+          // if (resp.modal) {
+          //     showModal(resp.modal)
+          // }
+      }).fail(function(resp) {
+          prestashop.emit('handleError', {
+              eventType: 'updateShoppingCart',
+              resp: resp
+          })
+      })
+  })
 });