M2C-21768 Validate product quantity on Wishlist update

M2C-21768 Add updateWishlist event

Author: ptylek

app/code/Magento/Wishlist/view/frontend/web/js/add-to-wishlist.js

@@ -16,7 +16,8 @@ define([
             groupedInfo: '#super-product-table input',
             downloadableInfo: '#downloadable-links-list input',
             customOptionsInfo: '.product-custom-option',
-            qtyInfo: '#qty'
+            qtyInfo: '#qty',
+            actionElement: '[data-action="add-to-wishlist"]'
         },
 
         /** @inheritdoc */
@@ -30,8 +31,10 @@ define([
         _bind: function () {
             var options = this.options,
                 dataUpdateFunc = '_updateWishlistData',
+                validateProductQty = '_validateWishlistQty',
                 changeCustomOption = 'change ' + options.customOptionsInfo,
                 changeQty = 'change ' + options.qtyInfo,
+                updateWishlist = 'click ' + options.actionElement,
                 events = {},
                 key;
 
@@ -45,6 +48,7 @@ define([
 
             events[changeCustomOption] = dataUpdateFunc;
             events[changeQty] = dataUpdateFunc;
+            events[updateWishlist] = validateProductQty;
 
             for (key in options.productType) {
                 if (options.productType.hasOwnProperty(key) && options.productType[key] + 'Info' in options) {
@@ -220,7 +224,24 @@ define([
 
                 $(form).attr('action', action).submit();
             });
-        }
+        },
+
+        /**
+         * Validate product quantity before updating Wish List
+         *
+         * @param {jQuery.Event} event
+         * @private
+         */
+        _validateWishlistQty: function (event) {
+            var element = $(this.options.qtyInfo);
+
+            if (!(element.validation() && element.validation('isValid'))) {
+                    event.preventDefault();
+                    event.stopPropagation();
+                    return;
+            }
+        },
+
     });
 
     return $.mage.addToWishlist;