Add finally method to Promise flow definition

The `finally` method definition was missing, while it really exists causing a flow error when using it.
facebook · Sep 29, 2017 · 20cb8e9 · 20cb8e9
1 parent 70c6700
commit 20cb8e9
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/flow/Promise.js b/flow/Promise.js
@@ -33,6 +33,12 @@ declare class Promise<+R> {
   static race<T>(promises: Array<Promise<T>>): Promise<T>;
 
   // Non-standard APIs
+
+  // See https://github.com/facebook/fbjs/blob/master/packages/fbjs/src/__forks__/Promise.native.js#L21
+  finally<U>(
+    onFinally?: ?(value: any) => Promise<U> | U
+  ): Promise<U>;
+
   done<U>(
     onFulfill?: ?(value: R) => mixed,
     onReject?: ?(error: any) => mixed