NestJs Questions

To define the application's entry point.

To provide dependencies that can be injected into other components like controllers or services.

To render UI elements.

To handle data persistence.

@ApplyMiddleware()

@Middleware()

@Route()

@UseMiddleware()

Java

Ruby

Python

JavaScript/TypeScript

Dependency Injection is not supported in NestJS.

NestJS automatically resolves and injects dependencies based on constructor parameters.

Dependencies are fetched from a global configuration file.

Dependencies are manually created and passed around.

To import external JavaScript libraries.

To define the routes handled by the module.

To import other modules, making their exported components available within the current module.

To include providers that are specific to the module.

PATCH

DELETE

PUT

RENDER

@Path()

@Route()

@Post()

@Get()

It provides access to the dependency injection container.

It provides utility methods for transforming the request object.

It represents the next Interceptor in the chain or the route handler itself.

It handles errors thrown within the Interceptor.

It handles routing logic for different API endpoints.

It defines a specific service for a particular business logic.

It contains the application's main configuration and serves as the root module.

It defines a single controller for handling HTTP requests.

To define a function that creates and returns an instance of the provider.

To specify the class that the factory function should return.

To configure the lifecycle hooks of the provider.

To provide a static value for the provider.