Parse the mass .msp format.
It is being used for the MassBank database releases.
$ npm i msp-parser
import { parseMSP } from 'msp-parser';
const result = parseMSP(mspText);// not implemented yet
import { mspIterator } from 'msp-parser';
for (const entry of mspIterator(mspText)) {
console.log(entry);
}