No more create promis

frontend/sync-client/src/utils/create-promise.ts

@@ -1,25 +0,0 @@
-type ResolveFunction<T> = undefined extends T
-    ? (value?: T) => unknown
-    : (value: T) => unknown;
-
-/**
- * A type-safe utility function to create a Promise with resolve and reject functions.
- * @returns A tuple containing a Promise, a resolve function, and a reject function.
- */
-export function createPromise<T = unknown>(): [
-    Promise<T>,
-    ResolveFunction<T>,
-    (error: unknown) => unknown
-] {
-    let resolve: undefined | ResolveFunction<T> = undefined;
-    let reject: undefined | ((error: unknown) => unknown) = undefined;
-
-    const creationPromise = new Promise<T>(
-        (resolve_, reject_) =>
-            // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
-            ((resolve = resolve_ as ResolveFunction<T>), (reject = reject_))
-    );
-
-    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    return [creationPromise, resolve!, reject!];
-}

frontend/sync-client/src/utils/rate-limit.ts

@@ -1,4 +1,3 @@
-import { createPromise } from "./create-promise";
 import { sleep } from "./sleep";
 
 /**
@@ -45,7 +44,7 @@ export function rateLimit<
             newArgs = undefined;
         }
 
-        const [promise, resolve] = createPromise();
+        const { promise, resolve } = Promise.withResolvers<void>();
         running = promise;
         sleep(
             typeof minIntervalMs === "function"