Get return type of a function

return-type.ts

async function getItems() {
  const requestTime = new Date();
  const response = await fetch('http://myservice/items');
  const items = (await response.json()) as { id: string; price: number }[];
  const responseTime = new Date();

  return {
    items,
    requestTime,
    responseTime,
  };
}

type ItemsResponse = Awaited<ReturnType<typeof getItems>>;