Node script to read tab delimited files and to process

readTabDelimitedFile.js

const fs = require('fs');
const path = require('path');

module.exports = filename =>
  new Promise((resolve, reject) => {
    fs.readFile(path.join(__dirname, 'data', filename), 'utf8', (err, data) => {
      if (err) {
        return reject(err);
      }

      resolve(data.split('\n').map(row => row.split('\t')));
    });
  });

omg this solved my problem. thank you!