text: import * as XLSX from 'xlsx';
  //f = file
  var name = f.name;
  const reader = new FileReader();
  reader.onload = (evt) => { // evt = on_file_select event
      /* Parse data */
      const bstr = evt.target.result;
      const wb = XLSX.read(bstr, { type: 'binary' });
      /* Get first worksheet */
      const wsname = wb.SheetNames[0];
      const ws = wb.Sheets[wsname];
      /* Convert array of arrays */
      const data = XLSX.utils.sheet_to_csv(ws, { header: 1 });
      /* Update state */
      console.log("Data>>>" + data);
  };
  reader.readAsBinaryString(f);