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10 lines
476 B
TypeScript
10 lines
476 B
TypeScript
export default async function hasAudio(media: HTMLMediaElement) {
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const cloned = media.cloneNode() as HTMLMediaElement;
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cloned.muted = (cloned as typeof cloned & Partial<HTMLVideoElement>).playsInline = true;
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cloned.play();
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await new Promise((resolve) => cloned.addEventListener('playing', resolve));
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const result = !!(cloned as any).audioTracks?.length || (cloned as any).mozHasAudio || !!(cloned as any).webkitAudioDecodedByteCount;
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cloned.remove();
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return result;
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}
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