update() is now optional when creating a directive

vuejs · Jan 22, 2014 · d3ebd42 · d3ebd42
1 parent f8e31f3
commit d3ebd42
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/src/directive.js b/src/directive.js
@@ -149,11 +149,13 @@ DirProto.refresh = function (value) {
  *  Actually invoking the _update from the directive's definition
  */
 DirProto.apply = function (value) {
-    this._update(
-        this.filters
-            ? this.applyFilters(value)
-            : value
-    )
+    if (this._update) {
+        this._update(
+            this.filters
+                ? this.applyFilters(value)
+                : value
+        )
+    }
 }
 
 /**