A collection of decorators to create typed Next.js API routes with easy request validation and transformation.
next-api-decorators is a library that provides decorators for building typed and validated API routes in Next.js. It allows developers to define routes using classes and decorators, simplifying request handling, validation, and transformation while maintaining type safety. The project solves the problem of verbose and unstructured API route code in Next.js by introducing a declarative pattern inspired by NestJS.
Next.js developers building backend APIs who want to reduce boilerplate, improve code organization, and add type safety to their route handlers. It's particularly useful for teams familiar with NestJS or class-based architectures.
Developers choose next-api-decorators because it brings the structured, decorator-based approach of NestJS to Next.js API routes without requiring a separate backend framework. It offers easy validation, middleware integration, and typed parameters, making API development faster and more maintainable.
Collection of decorators to create typed Next.js API routes, with easy request validation and transformation.
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Leverages TypeScript decorators for typed request parameters and return values, as shown with @Body() and @Query() in the examples, reducing runtime errors.
Replaces verbose if-else method checks with declarative decorators like @Get() and @Post(), simplifying route definitions compared to standard Next.js handlers.
Provides validation pipes such as ValidationPipe for automatic request body validation, eliminating manual checks for common data integrity issues.
Offers exceptions like NotFoundException for consistent error responses, making API error management more predictable and maintainable.
Requires TypeScript experimental decorators or specific Babel setup, which can complicate build configurations and lead to compatibility issues with other tools.
Using the @Res() decorator forces developers to handle responses manually, with the README warning that forgetting to send a response can cause hanging requests.
As a smaller library inspired by NestJS, it lacks the extensive plugins, community support, and documentation of full backend frameworks, which may limit advanced use cases.
Adds an extra layer on top of Next.js API routes, potentially increasing bundle size and runtime overhead in serverless environments, with no built-in performance optimizations.