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Stop Using Repetitive Validation Logic – Embrace Zod

If you're a backend or fullstack developer, you've probably written this kind of code more times than you'd like to admit: if (!req.body.email || !req.body.password) { return res.status(400).json({ message: 'Missing fields' }); } It works... but it gets messy really fast. As your project grows, repeating this kind of manual validation on every route becomes painful and error-prone. Let me introduce you to something better. ✅ Meet Zod – The Cleaner Way to Validate Zod is a TypeScript-first schema validation library. It helps you define what your data should look like and automatically validates it. No more writing if (!email) and if (typeof password !== 'string') every time.

May 11, 2025 - 07:48
 0
Stop Using Repetitive Validation Logic – Embrace Zod

If you're a backend or fullstack developer, you've probably written this kind of code more times than you'd like to admit:

if (!req.body.email || !req.body.password) {
  return res.status(400).json({ message: 'Missing fields' });
}

It works... but it gets messy really fast.
As your project grows, repeating this kind of manual validation on every route becomes painful and error-prone.

Let me introduce you to something better.

✅ Meet Zod – The Cleaner Way to Validate

Zod is a TypeScript-first schema validation library. It helps you define what your data should look like and automatically validates it.

No more writing if (!email) and if (typeof password !== 'string') every time.

Read More

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