const XLSX = require("./xlsx.full.min");

/* tjs.args[1] is the first argument to the script */
const filename = tjs.args[1];

/* read and parse file */
const data = await tjs.readFile(filename);
const wb = XLSX.read(data);

/* generate CSV of first sheet */
const ws = wb.Sheets[wb.SheetNames[0]];
const csv = XLSX.utils.sheet_to_csv(ws);

/* print to terminal */
console.log(csv);