Fix for issue #18630

magento · Oct 15, 2018 · bf024c1 · bf024c1
1 parent 8a7f23e
commit bf024c1
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/app/code/Magento/Ui/view/base/web/js/form/element/post-code.js b/app/code/Magento/Ui/view/base/web/js/form/element/post-code.js
@@ -20,6 +20,21 @@ define([
             }
         },
 
+        /**
+         * Initializes observable properties of instance
+         *
+         * @returns {Abstract} Chainable.
+         */
+        initObservable: function () {
+            this._super();
+
+            this.value.equalityComparer = function(a, b) {
+                return (!a && !b) || (a == b);
+            };
+
+            return this;
+        },
+
         /**
          * @param {String} value
          */