Main

const { StaticPool } = require("node-worker-threads-pool");

const filePath = "./w.js";

async function solve(x){

  let cnt = 0;
  let iterNum = 7;

  const pool = new StaticPool({
    size: 2,
    task: filePath,
    workerData: "workerData!",
  });

  for (let i = 0; i < iterNum; i++) {
    (async () => {
      const num = x   + Math.trunc(10 * Math.random());

      // This will choose one idle worker in the pool
      // to execute your heavy task without blocking
      // the main thread!
      const res = await pool.exec(num);

      console.log(`Fibonacci(${num}) result:`, res);

      cnt += 1;
      if(cnt == iterNum){
        pool.destroy()
      }

    })();
  }
  return 0;
}

xs = [25,30,35];
js = [0,1,2];

async function run (js){
  for (const j of js) {
    console.log(`${j} iteration.`);
    const r = await solve(xs[j]);
  }
}

run(js);