/**
 * Delays the output of each character in the input stream by 10ms
 * @returns TransformStream
 */
export const stagger = () =>
  new TransformStream({
    async transform(
      chunk: string,
      controller: TransformStreamDefaultController<string>
    ) {
      for (const part of chunk) {
        controller.enqueue(part);
        await new Promise((res) => setTimeout(res, 10));
      }
    },
  });