const workerHandler = require('./handler.js'); //event send from mater process.on('message', async (message) => { if (message.type === 'workerStart') { const workerOption = message.data; console.log(workerOption); process.send({ type: 'workerOnline' }); return; } if (message.type === 'jobStart') { const job = message.data; job.code = await workerHandler(job, process); process.send({ type: 'jobFinish', data: job }); } });