feat(element_injector): allow @Optional for ProtoViewRef

2015-05-15 16:10:16 -07:00
parent 0114cd97b6
commit bb2eda2d15
2 changed files with 17 additions and 0 deletions
--- a/modules/angular2/src/core/compiler/element_injector.js
+++ b/modules/angular2/src/core/compiler/element_injector.js
@ -851,6 +851,10 @@ export class ElementInjector extends TreeNode {
    }
    if (dep.key.id === StaticKeys.instance().protoViewId) {
      if (isBlank(this._preBuiltObjects.protoView)) {
+        if (dep.optional) {
+          return null;
+        }
+
        throw new NoBindingError(dep.key);
      }
      return new ProtoViewRef(this._preBuiltObjects.protoView);