From d0a264d5fff335375f32d643db5054b03983c3ed Mon Sep 17 00:00:00 2001
From: "Ciuca, Alexandru" <alexandru.ciuca@1and1.ro>
Date: Mon, 14 Sep 2015 16:55:47 +0300
Subject: [PATCH] angularjs - better granularity for filter service parameter
 types

---
 angularjs/angular-tests.ts | 16 ++++++++++++++++
 angularjs/angular.d.ts     | 18 +++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/angularjs/angular-tests.ts b/angularjs/angular-tests.ts
index 50e7562178..0174a0d616 100644
--- a/angularjs/angular-tests.ts
+++ b/angularjs/angular-tests.ts
@@ -933,3 +933,19 @@ function NgModelControllerTyping() {
             });
     };
 }
+
+function ngFilterTyping() {
+    var $filter:  angular.IFilterService;
+    var items: string[];
+    
+    $filter("name")(items, "test");
+    $filter("name")(items, {name: "test"});
+    $filter("name")(items, (val, index, array) => {
+        return array;
+    });
+    $filter("name")(items, (val, index, array) => {
+        return array;
+    }, (actual, expected) => {
+        return actual == expected;
+    });
+}
\ No newline at end of file
diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index d183167b59..be0b0861a9 100644
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -782,7 +782,23 @@ declare module angular {
          *
          * @param name Name of the filter function to retrieve
          */
-        (name: string): Function;
+        (name: string): IFilterFunc;
+    }
+    
+    interface IFilterFunc {
+        <T>(array: T[], expression: string | IFilterPatternObject | IFilterPredicateFunc<T>, comparator?: IFilterComparatorFunc<T>|boolean): T[];
+    }
+    
+    interface IFilterPatternObject {
+        [name: string]: string;
+    }
+    
+    interface IFilterPredicateFunc<T> {
+        (value: T, index: number, array: T[]): T[];
+    }
+    
+    interface IFilterComparatorFunc<T> {
+        (actual: T, expected: T): boolean;
     }
 
     /**