From 61d0afc21ae69400930234f7bc507eb5bf7613b1 Mon Sep 17 00:00:00 2001
From: Chris Thielen <cthielen@netflix.com>
Date: Tue, 30 Jan 2018 08:52:02 -0800
Subject: [PATCH] fix(common): Fix signature of  for objects (make target
 optional)

---
 src/common/common.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/common/common.ts b/src/common/common.ts
index 2fb52fa6..62255e58 100644
--- a/src/common/common.ts
+++ b/src/common/common.ts
@@ -295,7 +295,7 @@ export function find(collection: any, callback: any) {
 export let mapObj: <T, U>(collection: { [key: string]: T }, callback: Mapper<T, U>, target?: typeof collection) => { [key: string]: U } = map;
 /** Given an array, returns a new array, where each element is transformed by the callback function */
 export function map<T, U>(collection: T[], callback: Mapper<T, U>, target?: typeof collection): U[];
-export function map<T, U>(collection: { [key: string]: T }, callback: Mapper<T, U>, target: typeof collection): { [key: string]: U };
+export function map<T, U>(collection: { [key: string]: T }, callback: Mapper<T, U>, target?: typeof collection): { [key: string]: U };
 /** Maps an array or object properties using a callback function */
 export function map(collection: any, callback: any, target: typeof collection): any {
   target = target || (isArray(collection) ? [] : {});