input-in-node.js.md

Input function in pure Node.js

Code:

const readline = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
});

function input(str) {
  return new Promise(res => {
    readline.question(str, result => {
      res(result);
    });
  })
}

async function start() {
  const username = await input('Enter username: ');
  console.log(`Hello ${username}`);

  readline.close();
}

start()

Run:

node [file_name]