euterpe-source/test.js

class AudioContexthehe {
	state = "suspended"
	constructor() {}
	resume() {
		return new Promise((resolve, reject) => {
			this.state = "running"
			resolve()
		})
	}
}
class AudioElementHehe {
	constructor() {}
	play() {
		return new Promise((resolve, reject) => {
			console.log("playing!")
			resolve()
		})
	}
	pause() {
		console.log("Pausing!")
	}
}
const audio_context = new AudioContexthehe()
const audio_element = new AudioElementHehe()
let is_playing = false
try_play_toggle_async()

function try_play_toggle_async() {
	return new Promise((resolve, reject) => {
		if (audio_context.state !== "running") {
			audio_context.resume().catch((e) => reject(e))
		}
		if (audio_element.paused) {
			audio_element.play().then(
				(s) => {
					is_playing = true
					resolve(s)
				},
				(r) => {
					is_playing = false
					reject(r)
				}
			)
		} else {
			audio_element.pause()
			is_playing = false
			resolve(null)
		}
	})
}