Read and explore mzML v1.1 files.
You should use https://github.com/cheminfo-js/mzdata that deals with mzml and mzdata file format
$ npm install --save mzml
import { mzML } from 'mzml';
// mzML files
const mzMLFile = readFileSync(__dirname + '/tiny.mzML');
var response = mzML(mzMLFile);