Overview
This guide will walk you through add input validation in NestJS. We've found 7 relevant code snippets to help you get started.
Prerequisites
- Node.js 18+ installed
- NestJS project initialized
- Basic understanding of NestJS
Step-by-Step Guide
Step 1: Install Dependencies
First, install any required dependencies for add input validation:
npm install @nestjs/graphql @nestjs/apollo @apollo/server graphqlStep 2: Copy the Code
Use our pre-built snippets to implement add input validation:
Step 3: Test Your Implementation
Verify that your implementation works correctly:
npm test
# or
npm run test:watchAvailable Snippets for This Topic
GraphQL Module
Apollo GraphQL server with code-first approach
npx hanma add nest-graphql --framework nest
API Response
Swagger response decorators
npx hanma add api-response --framework nest
Class Validator Pipe
Validation using class-validator
npx hanma add class-validator-pipe --framework nest
Zod Validation Pipe
Validation using Zod schemas
npx hanma add zod-validation-pipe --framework nest
Parse UUID Pipe
UUID parsing and validation
npx hanma add parse-uuid-pipe --framework nest
File Validation Pipe
File upload validation
npx hanma add file-validation-pipe --framework nest
Config Service
Type-safe configuration with validation
npx hanma add config-provider --framework nest
Frequently Asked Questions
How do I implement add input validation in NestJS?
Follow the step-by-step guide above. Each step includes code examples and explanations. You can also browse the related snippets for more implementation details.
Are these code examples production-ready?
Yes, all snippets are designed for production use. However, always review and adapt the code to your specific requirements before deployment.
Can I use this guide with NestJS v2?
This guide is written for the current stable version. Check the framework documentation for version-specific differences.
Where can I find more examples?
Browse our complete snippet library for more code examples and implementations.