1 files changed, 4 insertions, 1 deletions
diff --git a/src/auto/injector.js b/src/auto/injector.js
index b2795693..6b2865ef 100644
--- a/src/auto/injector.js
+++ b/src/auto/injector.js
@@ -597,7 +597,10 @@ function createInjector(modulesToLoad) {
       invoke: invoke,
       instantiate: instantiate,
       get: getService,
-      annotate: annotate
+      annotate: annotate,
+      has: function(name) {
+        return providerCache.hasOwnProperty(name + providerSuffix) || cache.hasOwnProperty(name);
+      }
     };
   }
 }