Data Export

CSV Export (Node.js)

import { stringify } from 'csv-stringify';
import { pipeline } from 'stream/promises';

// Streaming CSV (handles large datasets)
app.get('/api/export/users.csv', async (req, res) => {
  res.setHeader('Content-Type', 'text/csv');
  res.setHeader('Content-Disposition', 'attachment; filename="users.csv"');

  const cursor = db.collection('users').find().cursor();
  const csvStringifier = stringify({
    header: true,
    columns: ['name', 'email', 'createdAt'],
  });