worker-thread-code.js

const {  parentPort } = require('worker_threads');

function random(min, max) {
	return Math.random() * (max - min) + min
}

const sorter = require("./test2-worker");

const start = Date.now()
let bigList = Array(1000000).fill().map( (_) => random(1,10000))

/**
//you can receive messages from the main thread this way:
parentPort.on('message', (msg) => {
	console.log("Main thread finished on: ", (msg.timeDiff / 1000), " seconds...");
})
*/

sorter.sort(bigList);
parentPort.postMessage({ val: sorter.firstValue, timeDiff: Date.now() - start});