List Editor setValue leak

src/editors/extra/list.js

@@ -83,7 +83,16 @@
 
       this._checkMaxCardinalityReached($el);
 
+      //Save a copy of the pre-exising element, if exists
+      var domReferencedElement = this.el;
+
       this.setElement($el);
+
+      //In case of there was a pre-existing element already placed in the DOM, then update it
+      if (domReferencedElement) {
+        $(domReferencedElement).replaceWith(this.el);
+      }
+
       this.$el.attr('id', this.id);
       this.$el.attr('name', this.key);
 
@@ -224,6 +233,7 @@
     },
 
     setValue: function(value) {
+      this.items = [];
       this.value = value;
       this.render();
     },

test/editors/extra/list.js

@@ -168,6 +168,26 @@ var same = deepEqual;
         same(list.getValue(), ['a', 'b', 'c']);
     });
 
+    test('setValue() - updates input value - more than once', function() {
+        var list = new List().render();
+
+        list.setValue(['a', 'b', 'c']);
+        same(list.getValue(), ['a', 'b', 'c']);
+
+        list.setValue(['d', 'e', 'f']);
+        same(list.getValue(), ['d', 'e', 'f']);
+    });
+
+    test('setValue() - add button works after calling setValue', function() {
+        var list = new List().render();
+
+        list.setValue(['a', 'b', 'c']);
+
+        list.$('[data-action="add"]').click();
+
+        same(list.items.length, 4);
+    });
+
     test('validate() - returns validation errors', function() {
         var list = new List({
             schema: { validators: ['required', 'email'] },