From 5ab6100d6ee80494230ab6fdc2c6a7e53c2c58dc Mon Sep 17 00:00:00 2001
From: Jack Bates <jack@nottheoilrig.com>
Date: Fri, 23 Aug 2019 15:02:06 -0700
Subject: [PATCH] Better typings for Promise executor, like #31117

---
 src/lib/es2015.promise.d.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/es2015.promise.d.ts b/src/lib/es2015.promise.d.ts
index 83776137c33c1..72ebe87ba07d8 100644
--- a/src/lib/es2015.promise.d.ts
+++ b/src/lib/es2015.promise.d.ts
@@ -10,7 +10,7 @@ interface PromiseConstructor {
      * a resolve callback used to resolve the promise with a value or the result of another promise,
      * and a reject callback used to reject the promise with a provided reason or error.
      */
-    new <T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void): Promise<T>;
+    new <T>(executor: (resolve: (value?: T) => void, reject: (reason?: any) => void) => void): Promise<T extends PromiseLike<infer U> ? U : T>;
 
     /**
      * Creates a Promise that is resolved with an array of results when all of the provided Promises