Hackmidi

A JavaScript library to play MIDI files in Edge, Firefox, Safari, and Chrome.

A fork of midihackery.
Powered by libtimidity.
Used in Hacklily.

Installation

``
npm install hackmidi --save
`

Usage

`
import {playerFromMIDIBuffer} from "hackmidi";

fetch("Chop-28-4.mid")
.then(response => response.arrayBuffer())
.then(buffer => playerFromMIDIBuffer(buffer, "samples/"))
.then(player => {
player.addChangeListener((timeInSeconds, isPlaying) => {
console.log(timeInSeconds, isPlaying); // (0, false)
});

player.play();

// ...

player.pause();

// ...

player.seek(20.5 / seconds /);
});
``

Demo

See https://www.hacklily.org/hackmidi/.