app/assets/javascripts/spree/backend/promotions.js in spree_backend-2.3.1 vs app/assets/javascripts/spree/backend/promotions.js in spree_backend-2.3.2

@@ -32,10 +32,41 @@
       }
     });
   });
 
   //
+  // Tiered Calculator
+  //
+  if ($('#tier-fields-template').length && $('#tier-input-name').length) {
+    var tierFieldsTemplate = Handlebars.compile($('#tier-fields-template').html());
+    var tierInputNameTemplate = Handlebars.compile($('#tier-input-name').html());
+
+    var originalTiers = $('.js-original-tiers').data('original-tiers');
+    $.each(originalTiers, function(base, value) {
+      var fieldName = tierInputNameTemplate({base: base}).trim();
+      $('.js-tiers').append(tierFieldsTemplate({
+        baseField: {value: base},
+        valueField: {name: fieldName, value: value}
+      }));
+    });
+
+    $(document).on('click', '.js-add-tier', function(event) {
+      event.preventDefault();
+      $('.js-tiers').append(tierFieldsTemplate({valueField: {name: null}}));
+    });
+
+    $(document).on('click', '.js-remove-tier', function(event) {
+      $(this).parents('.tier').remove();
+    });
+
+    $(document).on('change', '.js-base-input', function(event) {
+      var valueInput = $(this).parents('.tier').find('.js-value-input');
+      valueInput.attr('name', tierInputNameTemplate({base: $(this).val()}).trim());
+    });
+  }
+
+  //
   // CreateLineItems Promotion Action
   //
   (function () {
     var hideOrShowItemTables = function () {
       $('.promotion_action table').each(function () {
@@ -85,6 +116,6 @@
 
 $(document).ready(function () {
 
   initProductActions();
 
-});
\ No newline at end of file
+});