Make notSetValue optional for typed Records (immutable-js#1461)

morsecodist · kozlitinaelja · commit 9237d487a894 · 2018-05-15T12:49:10.000-04:00
* Made notSetValue optional in type definition for get from Record

* Added overload
diff --git a/type-definitions/Immutable.d.ts b/type-definitions/Immutable.d.ts
@@ -2452,7 +2452,8 @@ declare module Immutable {
      * notSetValue will be returned if provided. Note that this scenario would
      * produce an error when using Flow or TypeScript.
      */
-    get<K extends keyof TProps>(key: K, notSetValue: any): TProps[K];
+    get<K extends keyof TProps>(key: K, notSetValue?: any): TProps[K];
+    get<T>(key: string, notSetValue: T): T;
 
     // Reading deep values
 
