MP3Comment.js

let setTimeout = function(callback, duration) {
  callback();
};

let req = new Request("https://cdnjs.cloudflare.com/ajax/libs/jsmediatags/3.9.0/jsmediatags.js");
let content = await req.loadString();
eval(content);

var fileURLs
if (args.fileURLs.length > 0) {
  fileURLs = args.fileURLs
} else {
  fileURLs = await DocumentPicker.open()
}
let fm = FileManager.local()
let filePath = fileURLs[0]
console.log(filePath)

let exists = fm.fileExists(filePath)
console.log(exists);
let d = fm.read(filePath);

jsmediatags.read(d.getBytes(),{
  onSuccess: function(tag) {
    Pasteboard.copyString(tag["tags"]["comment"]["text"])
  },
  onError: function(error) {
    console.log(error);
  }
})