51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
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export {GetArrayBuffer, GetFileInfo, GetCoverURL, AudioMimeType}
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// Also a new draft API: blob.arrayBuffer()
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async function GetArrayBuffer(blobObject) {
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return await new Promise(resolve => {
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const reader = new FileReader();
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reader.onload = (e) => {
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resolve(e.target.result);
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};
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reader.readAsArrayBuffer(blobObject);
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});
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}
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const AudioMimeType = {
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mp3: "audio/mpeg",
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flac: "audio/flac",
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m4a: "audio/mp4",
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ogg: "audio/ogg"
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};
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function GetFileInfo(artist, title, filenameNoExt, ext) {
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let newArtist = "", newTitle = "";
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let filenameArray = filenameNoExt.split("-");
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if (filenameArray.length > 1) {
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newArtist = filenameArray[0].trim();
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newTitle = filenameArray[1].trim();
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} else if (filenameArray.length === 1) {
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newTitle = filenameArray[0].trim();
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}
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if (typeof artist == "string" && artist !== "") {
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newArtist = artist;
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}
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if (typeof title == "string" && title !== "") {
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newTitle = title;
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}
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let newFilename = newArtist + " - " + newTitle + "." + ext;
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return {artist: newArtist, title: newTitle, filename: newFilename};
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}
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/**
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* @return {string}
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*/
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function GetCoverURL(metadata) {
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let pic_url = "";
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if (metadata.common.picture !== undefined && metadata.common.picture.length > 0) {
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let pic = new Blob([metadata.common.picture[0].data], {type: metadata.common.picture[0].format});
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pic_url = URL.createObjectURL(pic);
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}
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return pic_url;
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}
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