Gapless HTML5 Audio

gapless_audio.js

function gaplessAudio() {
	const audio = new AudioContext();
	let buffer_source;

	this.load = async (url) => {
		const file_contents = await (await fetch(url)).arrayBuffer();

		audio.decodeAudioData(file_contents, function(buffer) {
			if(buffer_source) buffer_source.disconnect();
			buffer_source = audio.createBufferSource();
			buffer_source.buffer = buffer;

			buffer_source.connect(audio.destination);
			buffer_source.loop = true;
			buffer_source.start(0);

		}, function(e) {
			console.log("Error with decoding audio data" + e.err);
		});
	};

	this.suspend = async () => {await audio.suspend();};
	this.resume = async () => {await audio.resume();};

	this.state = () => {return audio.state;};
}