node-progress.js

const progress = async (flag = '=') => {

  const sleep = (timeout) => {
    return new Promise((resovle) => { setTimeout(resovle, timeout) });
  }

  const total = 100;
  for (let j = 1; j <= total; j++) {
    process.stdout.write(`\u001b[${10000}D`);
    await sleep(50);
    let start = '';
    let end = '';
    for (let i = 0; i < j; i++) {
      start += `${flag}`;
    }

    for (let i = 0; i < total - j; i++) {
      end += ' '
    }
    process.stdout.write(`[\u001b[32m${start}\u001b[0m${end}] ${j}%`);
  }
  process.stdout.write(`\n`);

}


progress('-');