Nucleo Express Utilities

Nucleo Express Utilities is a TypeScript module that provides helper classes and middlewares for common patterns when working with Express.js.

Installation

npm install nucleodeti.utils

Usage

NucleoHelpers

The NucleoHelpers class provides helper methods for handling common response patterns.

sendResponse(response, content)

Sends a JSON response with the specified status, message, and optional content.

• response: The Express response object.
• content: An object containing status, message, and optional content.

Example:

const nucleoHelpers = new NucleoHelpers(); nucleoHelpers.sendResponse(res, { status: 200, message: 'Success', content: { data: 'Some data' } });

sendErrorResponse(response, err)

Sends a generic internal server error response.

• response: The Express response object.
• err: The error object.

Example:

const nucleoHelpers = new NucleoHelpers(); nucleoHelpers.sendErrorResponse(res, new Error('Something went wrong'));

NucleoMiddlewares

The NucleoMiddlewares class contains common middleware functions.

dtoValidator(dtoClass)

Validates the request body against a specified Data Transfer Object (DTO).

• dtoClass: The class of the DTO to validate against.

Example:

const nucleoMiddlewares = new NucleoMiddlewares(); app.post('/endpoint', nucleoMiddlewares.dtoValidator(MyDTO), (req, res) => { // Your route logic here });

Contributing

Feel free to open issues and pull requests.

License

This project is licensed under the MIT License - see the LICENSE.md file for details.