chore: use Promise.withResolvers instead of createDeferred (#6724)

Author: n1ru4l

packages/services/api/src/modules/app-deployments/providers/persisted-document-scheduler.ts

@@ -88,7 +88,7 @@ export class PersistedDocumentScheduler {
 
     return async function batchProcess(data: BatchProcessEvent['data']) {
       const id = crypto.randomUUID();
-      const d = createDeferred<BatchProcessedEvent>();
+      const d = Promise.withResolvers<BatchProcessedEvent>();
       const timeout = setTimeout(() => {
         task.reject(new Error('Timeout, worker did not respond within time.'));
       }, 20_000);
@@ -132,18 +132,3 @@ export class PersistedDocumentScheduler {
     return this.getRandomWorker()(data);
   }
 }
-
-function createDeferred<T = void>() {
-  let resolve: (value: T) => void;
-  let reject: (error: unknown) => void;
-  const promise = new Promise<T>((res, rej) => {
-    resolve = res;
-    reject = rej;
-  });
-
-  return {
-    resolve: (value: T) => resolve(value),
-    reject: (error: unknown) => reject(error),
-    promise,
-  };
-}

packages/services/api/src/modules/shared/lib/task-runner.ts

@@ -63,7 +63,7 @@ const scheduleTask = (args: {
     args.logger.info(`Completed running task "${args.name}" to run at ${runsAt}.`);
     deferred.resolve();
   }, args.runInMilliSeconds);
-  const deferred = createDeferred();
+  const deferred = Promise.withResolvers<void>();
 
   return {
     done: deferred.promise,
@@ -75,15 +75,3 @@ const scheduleTask = (args: {
     },
   };
 };
-
-const createDeferred = () => {
-  let resolve: () => void;
-  const promise = new Promise<void>(r => {
-    resolve = r;
-  });
-
-  return {
-    resolve: () => resolve(),
-    promise,
-  };
-};