Overview
This guide will walk you through add error handling in NestJS. We've found 12 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 error handling:
npm install @nestjs/graphql @nestjs/apollo @apollo/server graphqlStep 2: Copy the Code
Use our pre-built snippets to implement add error handling:
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
JWT Auth Guard
JWT authentication with Passport
npx hanma add jwt-auth-guard --framework nest
Roles Guard
Role-based access control
npx hanma add roles-guard --framework nest
Timeout Interceptor
Request timeout handling
npx hanma add timeout-interceptor --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
HTTP Exception Filter
Global HTTP exception handling
npx hanma add http-exception-filter --framework nest
All Exceptions Filter
Catch-all exception filter
npx hanma add all-exceptions-filter --framework nest
Validation Filter
Validation exception handling
npx hanma add validation-filter --framework nest
Prisma Exception Filter
Prisma database error handling
npx hanma add prisma-exception-filter --framework nest
Frequently Asked Questions
How do I implement add error handling 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.