Overview
This page contains 7 code snippets for implementing Validation in Express.js. Each snippet is production-ready and can be copy-pasted directly into your project.
Available Snippets
tRPC Server
End-to-end typesafe API with tRPC
- tRPC router with Express adapter
- Zod validation built-in
- Public and protected procedures
gRPC Server
High-performance RPC with Protocol Buffers
- gRPC server setup
- Proto file loading
- Service implementation pattern
Zod-Swagger Helper
Programmatic OpenAPI documentation with Zod
- No manual YAML or JSDoc comments
- DocumentedRouter helper for easy route registration
- Type-safe schema-to-OpenAPI conversion
Zod Validation
Request validation with Zod schemas
- Body validation
- Query and params validation
- Type inference
Compression
Response compression middleware
- Gzip compression
- Brotli support
- Threshold configuration
Pagination Helpers
Offset and cursor-based pagination
- Offset pagination
- Cursor-based pagination
- Page info calculation
JWT Utilities
JSON Web Token signing and verification
- Token signing
- Token verification
- Refresh token support
Frequently Asked Questions
How do I implement Validation in Express.js?
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 Express.js versions?
These snippets are designed for the current major version of the framework. Check the snippet documentation for version compatibility notes.