mastodon/app/javascript/themes/glitch/middleware/sounds.js

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const createAudio = sources => {
const audio = new Audio();
sources.forEach(({ type, src }) => {
const source = document.createElement('source');
source.type = type;
source.src = src;
audio.appendChild(source);
});
return audio;
};
const play = audio => {
if (!audio.paused) {
audio.pause();
if (typeof audio.fastSeek === 'function') {
audio.fastSeek(0);
} else {
audio.seek(0);
}
}
audio.play();
};
export default function soundsMiddleware() {
const soundCache = {
boop: createAudio([
{
src: '/sounds/boop.ogg',
type: 'audio/ogg',
},
{
src: '/sounds/boop.mp3',
type: 'audio/mpeg',
},
]),
};
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return () => next => action => {
if (action.meta && action.meta.sound && soundCache[action.meta.sound]) {
play(soundCache[action.meta.sound]);
}
return next(action);
};
};