Express-http-decorators NPM

express-http-decorators

Decorator typescript for express controlers/router

If you don't known about HTTP methods see HTTP request methods at MDN

How to use

// Controller example

import { Request, Response } from 'express'
import { ControllerBase, Controller, Get } from 'express-http-decorators';

@Controller() // /example
export class Example extends ControllerBase {
    @Get({ path: '/world' }) // /example/world
    world(request: Request, response: Response) {
        response.send('Hello World');
    }

    @Post({ path: '/hello' }) // /example/hello
    hello(request: Request, response: Response) {
        response.send('Hello World');
    }
}

export default Example;

// Express app example

import express, { Router } from 'express';
import { autoloader } from 'express-http-decorators';
import Example from './controllers/Example';

const app = express();

app.use(autoloader([Example], Router()))

app.listen(8888, () => {
    console.log('Express http decorator on air at 127.0.0.1:8888')
})

Functions

Function to load and make endpoint

autoloader(array: Array<class extends ControlerBase>, router: Express.Router, verbose: (ResourceIdentifier) => void): Express.Router: This function recives an array of class "controller" that extends ControlerBase and bind to router of express
- array: Array<class extends ControlerBase>: Array of class that extends ControllerBase
- router: Express.Router: The router of express
- verbose: (ResourceIdentifier) => void: Function callback that is call every new endpoint binded to router (for debug)

HTTP methods decorators available: Post, Get, Put, Patch, Delete

@<decorator name>(methodParameters?: MethodParameters): With this decorator you can make a method at class as endpoint
- MethodParameters.path: Custom name to endpoint, if not setted, will be the name of class method
- MethodParameters.middleware: Array of middlewares express

Decorator for class controller. The class controller aways must be extends ControllerBase.

@Controller(name?: string): This decorator defines the base name to endpoint see example above, if not setted, will be the name of class

For development or test

1) Download the repository
2) npm install To install dependecies
3) npm link && npm link express-http-decorators To link this project as module in node_modules directory
4) npm run dev To run code in example directory