Package detail

stdout-update

keindev31.5kMIT4.0.1

Updates the previous output in the terminal. Useful for correct rendering progress bars, animations, etc.

cli, console, indicator, log, logger, logging, output, overwrite, progress, refresh, shell, stdout, term, terminal, update

readme

Purely and accurately overwrites the previous output in the terminal, while maintaining the history of third-party logs.

Install

npm install stdout-update

Usage

import UpdateManager from 'stdout-update';

const TICKS = 60;
const TIMEOUT = 80;
const manager = UpdateManager.getInstance();
const frames = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
const messages = ['Swapping time and space...', 'Have a good day.', "Don't panic...", 'Updating Updater...', '42'];
let ticks = TICKS;
let i = 0;

manager.hook();

// eslint-disable-next-line no-console
console.log(' - log message');
// eslint-disable-next-line no-console
console.error(' - error message');
// eslint-disable-next-line no-console
console.warn(' - warn message');

const id = setInterval(() => {
  if (--ticks < 0) {
    clearInterval(id);
    manager.update(['✔ Success', '', 'Messages:', 'this line is be deleted!!!']);
    manager.erase(1);
    manager.unhook(false);
  } else {
    const frame = frames[(i = ++i % frames.length)];
    const index = Math.round(ticks / 10) % messages.length;
    const message = messages[index];

    if (message) manager.update([`${frame} Some process...`, message]);
  }
}, TIMEOUT);