export async function checkLocalMP3FileExists(src: string) { if (!src) return false; try { const response = await new Promise((resolve, reject) => { const xhr = new XMLHttpRequest(); xhr.open('HEAD', src, true); xhr.onload = () => resolve(xhr); xhr.onerror = () => reject(xhr); xhr.send(); }); return response.status === 200 && response.getResponseHeader('Content-Type') === 'audio/mpeg'; } catch (error) { console.warn(error); return false; } }