node-dependency-injection-express-middleware

Node Dependency Injection Express Middleware

A Node Dependency Injection middleware for Express

Installation

npm install --save node-dependency-injection-express-middleware

Usage

Minimal configuration

import NodeInjectionMiddleware from 'node-dependency-injection-express-middleware'
import express from 'express'

const app = express()

const options = {serviceFilePath: 'some/path/to/config.yml'}
app.use(new NodeInjectionMiddleware(options).middleware())

Options

Name	Required	Type Value	Default Value
serviceFilePath	true	string
compile	false	boolean	false
compilerPass	false	array	[]
logger	false	class or object	null
containerReferenceAsService	false	boolean	false
defaultDir	false	string	null

How to use all options

import MyCustomPass from 'CompilerPass/MyCustomPass'
import AnotherAwesomePass from 'CompilerPass/AnotherAwesomePass'
import MyCustomLogger from 'MyCustomLogger'
import NDIMiddleware from 'node-dependency-injection-express-middleware'
import express from 'express'

const app = express()

const options = {
  serviceFilePath: 'some/path/to/config.yml', 
  compile: true,
  compilerPass: [new MyCustomPass(), new AnotherAwesomePass()],
  logger: new MyCustomLogger(),
  containerReferenceAsService: true,
  defaultDir: '/some/cool/dir',
}
app.use(new NDIMiddleware(options).middleware())

How to get the container

app.get('/some/action', (req, res, next) => {
  const container = req.container
  const myAwesomeService = container.get('some.awesome.service')
  ...
})

Please, read the FULL DOCUMENTATION

Resources

• Documentation
• Collaboration and pull requests
• Twitter @zazoomauro
• Changelog