Express Validation Skill

Patterns for validating request input in Express.js applications.

Zod Validation

Basic Schema

import { z } from 'zod'

// User schema
const createUserSchema = z.object({
  name: z.string().min(1, 'Name is required').max(100),
  email: z.string().email('Invalid email format'),
  password: z.string().min(8, 'Password must be at least 8 characters'),
  age: z.number().int().positive().optional(),
})