Overview
This page contains 9 code snippets for implementing Validation in NestJS. Each snippet is production-ready and can be copy-pasted directly into your project.
Available Snippets
GraphQL Module
Apollo GraphQL server with code-first approach
- Apollo Server integration
- Code-first schema generation
- Custom error formatting
Microservice Bootstrap
Configurable microservice with multiple transports
- Type-safe transport configuration
- TCP/Redis/RabbitMQ/NATS support
- Class-based MicroserviceServer setup
Current User
Extract authenticated user from request
- Extract full user object
- Extract specific property
- Type-safe user data
API Response
Swagger response decorators
- Paginated response decorator
- Success response wrapper
- Common error responses
Class Validator Pipe
Validation using class-validator
- Detailed error formatting
- Nested validation support
- Whitelist enabled
Zod Validation Pipe
Validation using Zod schemas
- @ZodValidate decorator
- Detailed Zod errors
- Per-route schemas
Parse UUID Pipe
UUID parsing and validation
- UUID version validation
- Optional handling
- Lower case normalization
File Validation Pipe
File upload validation
- Size limits
- MIME type checking
- Extension validation
Config Service
Type-safe configuration with validation
- Zod schema validation
- Startup validation
- Type-safe getters
Frequently Asked Questions
How do I implement Validation in NestJS?
Browse the snippets above and copy the code that matches your needs. Each snippet includes installation instructions and usage examples.
Are these snippets production-ready?
Yes, all snippets are designed for production use. However, always review and test them in your specific context before deployment.
Can I use these snippets with other NestJS versions?
These snippets are designed for the current major version of the framework. Check the snippet documentation for version compatibility notes.