Code Room
Code reviewMedium
Question
Review these two TypeScript handlers from the same service. A client wants one error-handling code path for both.
What a strong answer looks like
Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.
Learn the concepts
// POST /loginapp.post('/login', (req, res) => { if (!valid(req.body)) { return res.status(400).json({ error: 'invalid credentials' }); } // ...}); // POST /ordersapp.post('/orders', (req, res) => { if (!req.body.items?.length) { return res.status(422).send('items required'); } if (!authorized(req)) { return res.json({ ok: false, message: 'forbidden', code: 1037 }); } // ...});Run or narrate your approach, then ask the coach.