Add types for Promise.withResolvers() (#56593)

src/compiler/commandLineParser.ts

@@ -221,7 +221,7 @@ const libEntries: [string, string][] = [
     ["esnext.disposable", "lib.esnext.disposable.d.ts"],
     ["esnext.bigint", "lib.es2020.bigint.d.ts"],
     ["esnext.string", "lib.es2022.string.d.ts"],
-    ["esnext.promise", "lib.es2021.promise.d.ts"],
+    ["esnext.promise", "lib.esnext.promise.d.ts"],
     ["esnext.weakref", "lib.es2021.weakref.d.ts"],
     ["esnext.decorators", "lib.esnext.decorators.d.ts"],
     ["decorators", "lib.decorators.d.ts"],

src/lib/esnext.d.ts

@@ -2,3 +2,4 @@
 /// <reference lib="esnext.intl" />
 /// <reference lib="esnext.decorators" />
 /// <reference lib="esnext.disposable" />
+/// <reference lib="esnext.promise" />

src/lib/esnext.promise.d.ts

@@ -0,0 +1,17 @@
+interface PromiseWithResolvers<T> {
+    promise: Promise<T>;
+    resolve: (value: T | PromiseLike<T>) => void;
+    reject: (reason?: any) => void;
+}
+
+interface PromiseConstructor {
+    /**
+     * Creates a new Promise and returns it in an object, along with its resolve and reject functions.
+     * @returns An object with the properties `promise`, `resolve`, and `reject`.
+     *
+     * ```ts
+     * const { promise, resolve, reject } = Promise.withResolvers<T>();
+     * ```
+     */
+    withResolvers<T>(): PromiseWithResolvers<T>;
+}

src/lib/libs.json

@@ -71,6 +71,7 @@
         "esnext.decorators",
         "esnext.intl",
         "esnext.disposable",
+        "esnext.promise",
         "decorators",
         "decorators.legacy",
         // Default libraries