quick check of yt compatible formats

formats_parse.js

//type and url dictionary
ytplayer.config.args.adaptive_fmts
  .split(',')
  .map((format) => format.split('&'))
  .reduce((a, cv) => {
    a[decodeURIComponent(cv[0].split("=")[1])] = decodeURIComponent(cv[1].split("=")[1]);
    return a;
  }, {})

// All props as arrays
ytplayer.config.args.adaptive_fmts
  .split(',')
  .map((format) => format
       .split('&')
       .map((prop) => prop.split("="))
       .reduce((agr, cv) => {
          cv.every((e, i, a) => {
            agr[decodeURIComponent(e)] = decodeURIComponent(a[1])
          });
        return agr;
       }, {}))