angular's $anchorScroll can be called with an optional has parameter ~ see https://code.angularjs.org/1.4.1/docs/api/ng/service/$anchorScroll

angularjs/angular.d.ts

@@ -1064,6 +1064,7 @@ declare module angular {
     ///////////////////////////////////////////////////////////////////////////
     interface IAnchorScrollService {
         (): void;
+        (hash: string): void;
         yOffset: any;
     }