README.md

Command

node --inspect index.js

index.js

const expArr = require('./test.js');

const INTERVAL_MSEC = 1000;

const print = () => {
  console.log(expArr.length);
};

const printInterval = () => {
  setTimeout(() => {
    print();
    setTimeout(printInterval, INTERVAL_MSEC);
  }, INTERVAL_MSEC);
};

printInterval();

test.js

function create() {
  console.log('create array');
  const arr = [];

  for (let i = 0; i < 100000; i++) {
    arr.push('hogeeeeeee');
  }

  return arr;
}

const expArr = create();

module.exports = expArr;