From 1def2150e239b61e30ef391eb06f6761babde888 Mon Sep 17 00:00:00 2001
From: Brian Zengel <bczengel@gmail.com>
Date: Tue, 3 Jun 2014 13:23:28 -0400
Subject: [PATCH] Add chainable definitions for _(...).keys

---
 lodash/lodash-tests.ts | 1 +
 lodash/lodash.d.ts     | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 1836d459e..fb56a0b1e 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -909,6 +909,7 @@ result = <boolean>_.isString('moe');
 result = <boolean>_.isUndefined(void 0);
 
 result = <string[]>_.keys({ 'one': 1, 'two': 2, 'three': 3 });
+result = <string[]>_({ 'one': 1, 'two': 2, 'three': 3 }).keys().value();
 
 var mergeNames = {
     'stooges': [
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index 2a599cdf3..482742bed 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -5637,6 +5637,13 @@ declare module _ {
         keys(object: any): string[];
     }
 
+    interface LoDashObjectWrapper<T> {
+        /**
+        * @see _.keys
+        **/
+        keys(): LoDashArrayWrapper<string>
+    }
+
     //_.mapValues
     interface LoDashStatic {
         /**