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import { normalizeOptionalString } from "../shared/string-coerce.js";
import { getFileExtension, normalizeMimeType } from "./mime.js";
export const VOICE_MESSAGE_AUDIO_EXTENSIONS = new Set([".oga", ".ogg", ".opus", ".mp3", ".m4a"]);
/**
* MIME types compatible with voice messages.
*/
export const VOICE_MESSAGE_MIME_TYPES = new Set([
"audio/ogg",
"audio/opus",
"audio/mpeg",
"audio/mp3",
"audio/mp4",
"audio/x-m4a",
"audio/m4a",
]);
export function isVoiceMessageCompatibleAudio(opts: {
contentType?: string | null;
fileName?: string | null;
}): boolean {
const mime = normalizeMimeType(opts.contentType);
if (mime && VOICE_MESSAGE_MIME_TYPES.has(mime)) {
return true;
}
const fileName = normalizeOptionalString(opts.fileName);
if (!fileName) {
return false;
}
const ext = getFileExtension(fileName);
if (!ext) {
return false;
}
return VOICE_MESSAGE_AUDIO_EXTENSIONS.has(ext);
}
export function isVoiceCompatibleAudio(opts: {
contentType?: string | null;
fileName?: string | null;
}): boolean {
return isVoiceMessageCompatibleAudio(opts);
}
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(vorverarbeitet am 2026-04-27)
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