kite-framework
Version:
Modern, fast, flexible HTTP-JSON-RPC framework
59 lines (58 loc) • 1.81 kB
JavaScript
;
/***
* Copyright (c) 2017 [Arthur Xie]
* <https://github.com/kite-js/kite>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
**/
Object.defineProperty(exports, "__esModule", { value: true });
exports.isInjectable = exports.Injectable = void 0;
require("reflect-metadata");
const MK_INJECTABLE = 'kite:injectable';
/**
* Injectable services decorator, represents a service can be inject to controllers.
*
* ## Usage
* Annotating classes like following code will
* ```typescript
* // Service definition
* @Injectable()
* export class DatabaseService {
* async createUser(user: any) {
* // ...
* }
* }
*
* // Controller definition
* @Controller()
* export class UserCreateController {
* // inject a "DatabaseService" instance here
* @Inject()
* db: DatabaseService;
*
* @Entry()
* exec(name: string, password: string) {
* this.db.createUser({name, password});
* }
* }
* ```
*
*/
function Injectable() {
return function (constructor) {
Reflect.defineMetadata(MK_INJECTABLE, true, constructor);
};
}
exports.Injectable = Injectable;
function isInjectable(target) {
return Reflect.getMetadata(MK_INJECTABLE, target);
}
exports.isInjectable = isInjectable;