import { setTimeout } from 'node:timers/promises';
import { mo } from 'moroutine';

export const identity = mo(import.meta, (n: number): number => n);

export const slow = mo(import.meta, async (ms: number): Promise<string> => {
  await setTimeout(ms);
  return 'done';
});

export const busy = mo(import.meta, (ms: number): string => {
  const start = Date.now();
  while (Date.now() - start < ms) {
    /* busy wait */
  }
  return 'done';
});