51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
const jsmediatags = require("jsmediatags");
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export {Decrypt}
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const audio_mime_type = {
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mp3: "audio/mpeg",
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flac: "audio/flac"
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};
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async function Decrypt(file) {
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let tag = await new Promise(resolve => {
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new jsmediatags.Reader(file).read({
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onSuccess: resolve,
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onError: () => {
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resolve({tags: {}})
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}
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});
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});
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let pic_url = "";
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if (tag.tags.picture !== undefined) {
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let pic = new Blob([new Uint8Array(tag.tags.picture.data)], {type: tag.tags.picture.format});
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pic_url = URL.createObjectURL(pic);
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}
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let file_url = URL.createObjectURL(file);
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let filename_no_ext = file.name.substring(0, file.name.lastIndexOf("."));
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let filename_array = filename_no_ext.split("-");
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let filename_ext = file.name.substring(file.name.lastIndexOf(".") + 1, file.name.length).toLowerCase();
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const mime = audio_mime_type[filename_ext];
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let title = tag.tags.title;
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let artist = tag.tags.artist;
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if (filename_array.length > 1) {
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if (artist === undefined) artist = filename_array[0].trim();
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if (title === undefined) title = filename_array[1].trim();
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} else if (filename_array.length === 1) {
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if (title === undefined) title = filename_array[0].trim();
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}
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const filename = artist + " - " + title + "." + filename_ext;
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return {
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filename: filename,
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title: title,
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artist: artist,
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album: tag.tags.album,
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picture: pic_url,
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file: file_url,
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mime: mime
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}
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} |