Injection

Injection is a powerful inversion of control container that is widely used in the midway framework and brings good user experience.

Installation

$ npm install injection reflect-metadata --save

Node.js >= 8.0.0 required.

Injection requires TypeScript >= 2.0 and the experimentalDecorators, emitDecoratorMetadata, types and lib compilation options in your tsconfig.json file.

{
  "compilerOptions": {
    "target": "ES2017",
    "lib": ["es2017", "dom"],
    "types": ["reflect-metadata"],
    "module": "commonjs",
    "moduleResolution": "node",
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true
  }
}

Getting Started


import {container, provide, inject} from 'injection';

@provide('userModel')
class UserModel {

}

@provide('userService')
class UserService {
  
  @inject()
  private userModel;
  
  async getUser(uid) {
    // TODO
  }
}


const container = new Container();
container.bind(UserService);
container.bind(UserModel);

const userService = await container.getAsync('userService'); 
const data = await userService.getUser(123);

Document: https://midwayjs.org/injection/guide.html

License

MIT

Current Tags

1.8.4 ... beta (5 years ago)
1.8.6 ... latest (5 years ago)
1.7.6 ... next (5 years ago)

Injection

Installation

Getting Started

License

Current Tags

73 Versions