paralles.js

const cp = require('child_process');
const n = cp.fork(`${__dirname}/operation.js`);

operationList = [
    {id: 1, status: false},
    {id: 2, status: false},
    {id: 3, status: false},
    {id: 4, status: false}
];
var foo = 1;
var latest = null;

// evento recebido no termino do puppeteer
n.on('message', (operation) => {
  console.log(`Done ${operation.id}`);
  ++foo;

  if (operationList[foo] != undefined) {
    n.send(operationList[foo]);
  }

  if (latest !== null) {
    n.disconnect();
    console.log('Finish');
  }

  if (operationList[foo] == undefined) {
    latest = foo;
  }
});

n.send(operationList[0]);
n.send(operationList[1]);
// operationList.forEach(operation => n.send(operation));


// operation.js file
process.on('message', (operation) => {
  console.log('Star: ', operation.id)
  operation.status = true;

  let time = parseInt(operation.id + '000');

  if ((operation.id / 3) === 0) {
    time = 100;
  }

  setTimeout(() => {
      process.send(operation);
    },
    time
  )
});