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refactor(MIME): add getMimeTypeFromExt function

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awalol
2025-07-14 01:51:28 +08:00
parent fbe8ef8ba1
commit 13b67f40aa
2 changed files with 7 additions and 3 deletions
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6
src/decrypt-worker/util/audioType.ts
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@@ -25,7 +25,7 @@ export function isDataLooksLikeAudio(buffer: Uint8Array): boolean {
return ok; return ok;
} }
export const AudioMimeType: { [key: string]: string } = { const AudioMimeType: Record<string, string> = {
mp3: 'audio/mpeg', mp3: 'audio/mpeg',
flac: 'audio/flac', flac: 'audio/flac',
m4a: 'audio/mp4', m4a: 'audio/mp4',
@@ -34,3 +34,7 @@ export const AudioMimeType: { [key: string]: string } = {
wav: 'audio/x-wav', wav: 'audio/x-wav',
dff: 'audio/x-dff', dff: 'audio/x-dff',
}; };
export function getMimeTypeFromExt(ext: string) {
return AudioMimeType[ext] || 'application/octet-stream';
}

4
src/decrypt-worker/worker/decrypt.ts
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@@ -6,7 +6,7 @@ import { DecipherFactory, DecipherInstance, Status } from '~/decrypt-worker/Deci
import { UnsupportedSourceFile } from '~/decrypt-worker/util/DecryptError.ts'; import { UnsupportedSourceFile } from '~/decrypt-worker/util/DecryptError.ts';
import { ready as umCryptoReady } from '@unlock-music/crypto'; import { ready as umCryptoReady } from '@unlock-music/crypto';
import { go } from '~/util/go.ts'; import { go } from '~/util/go.ts';
import { AudioMimeType, detectAudioExtension } from '~/decrypt-worker/util/audioType.ts'; import { getMimeTypeFromExt, detectAudioExtension } from '~/decrypt-worker/util/audioType.ts';
class DecryptCommandHandler { class DecryptCommandHandler {
private readonly label: string; private readonly label: string;
@@ -75,7 +75,7 @@ class DecryptCommandHandler {
audioExt = 'm4a'; audioExt = 'm4a';
} }
return { decrypted: URL.createObjectURL(toBlob(result.data, AudioMimeType[audioExt])), ext: audioExt }; return { decrypted: URL.createObjectURL(toBlob(result.data, getMimeTypeFromExt(audioExt))), ext: audioExt };
} }
} }