Discussion on: CSV Challenge

#!/usr/bin/env node

function escapeCSV(str) {
  if (str == null) { return ''; }
  return /[",]/.test(str) ? `"${str.replace(/"/g, '\\"')}"` : str;
}

let data = require('./sample.json');
process.stdout.write('Name,Credit Card\n');
for (let { name, creditcard } of data) {
  let line = [name, creditcard].map(escapeCSV).join(',');
  process.stdout.write(`${line}\n`);
}