@figliolia/chalk-animation

chalk-animation

Colorful animations in terminal output

Available animations

Name	Preview
rainbow
pulse
glitch
radar
neon
karaoke

Install

$ npm i @figliolia/chalk-animation

Usage

import { ChalkAnimation } from '@figliolia/chalk-animation';

ChalkAnimation.rainbow('Lorem ipsum dolor sit amet');

Start and stop

You can stop and resume an animation with stop() and start().

When created, the instance of ChalkAnimation starts automatically.

const rainbow = ChalkAnimation.rainbow('Lorem ipsum'); // Animation starts

setTimeout(() => {
    rainbow.stop(); // Animation stops
}, 1000);

setTimeout(() => {
    rainbow.start(); // Animation resumes
}, 2000);

Automatic stop

Anything printed to the console will stop the previous animation automatically

ChalkAnimation.rainbow('Lorem ipsum');
setTimeout(() => {
    // Stop the 'Lorem ipsum' animation, then write on a new line.
    console.log('dolor sit amet');
}, 1000);

Changing speed

Change the animation speed using a second parameter. Should be greater than 0, default is 1.

ChalkAnimation.rainbow('Lorem ipsum', 2); // Two times faster than default

Changing text

Change the animated text seamlessly with replace()

let str = 'Loading...';
const rainbow = ChalkAnimation.rainbow(str);

// Add a new dot every second
setInterval(() => {
	rainbow.replace(str += '.');
}, 1000);

Manual rendering

Manually render frames with render(), or get the content of the next frame with frame()

const rainbow = ChalkAnimation.rainbow('Lorem ipsum').stop(); // Don't start the animation

rainbow.render(); // Display the first frame

const frame = rainbow.frame(); // Get the second frame
console.log(frame);

License

MIT © Alex Figliolia