From 9062996a0e6b449467f5b8ec06824086ca87f9cf Mon Sep 17 00:00:00 2001
From: Misko Hevery
Date: Wed, 26 Oct 2011 21:36:19 -0700
Subject: feat(injector): support $inject(fn($service){}) function invocation

---
 src/Injector.js | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/Injector.js b/src/Injector.js
index 3a7fdeda..624246af 100644
--- a/src/Injector.js
+++ b/src/Injector.js
@@ -33,7 +33,9 @@
  *     `injector.eager()`
  */
 function createInjector(factories) {
-  var instanceCache = {$injector: injector};
+  var instanceCache = {
+    $injector: injector
+  };
   factories = factories || angularService;
 
   injector.invoke = invoke;
@@ -42,19 +44,23 @@ function createInjector(factories) {
     if (factory.$eager)
       injector(name);
   });
-  return injector;
+  return instanceCache.$injector;
 
   function injector(serviceId, path){
-    if (!(serviceId in instanceCache)) {
-      var factory = factories[serviceId];
-      path = path || [];
-      path.unshift(serviceId);
-      if (!factory) throw Error("Unknown provider for '" + path.join("' <- '") + "'.");
-      inferInjectionArgs(factory);
-      instanceCache[serviceId] = invoke(null, factory, [], path);
-      path.shift();
+    if (typeof serviceId == 'string') {
+      if (!(serviceId in instanceCache)) {
+        var factory = factories[serviceId];
+        path = path || [];
+        path.unshift(serviceId);
+        if (!factory) throw Error("Unknown provider for '" + path.join("' <- '") + "'.");
+        inferInjectionArgs(factory);
+        instanceCache[serviceId] = invoke(null, factory, [], path);
+        path.shift();
+      }
+      return instanceCache[serviceId];
+    } else {
+      return invoke(null, serviceId, path);
     }
-    return instanceCache[serviceId];
   }
 
   function invoke(self, fn, args, path){
-- 
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