54 lines
1.7 KiB
TypeScript
54 lines
1.7 KiB
TypeScript
import express, { Application as ExpressApp, Handler } from "express"
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import MetadataKeys from "./constants/metadata.keys"
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import { RouteHandler } from "./decorators/handlers.decorator"
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export abstract class Application {
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private readonly _instance: ExpressApp
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get instance(): ExpressApp {
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return this._instance
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}
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constructor() {
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this._instance = express()
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this._instance.use(express.json())
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this._instance.use(express.urlencoded({ extended: false }))
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this.registerRoutes()
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}
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private registerRoutes(): void {
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const info: Array<{ api: string; handler: string }> = []
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this.controllers.forEach((controller) => {
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const controllerInstance: { [handlerName: string]: Handler } =
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new controller() as any
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const basePath: string = Reflect.getMetadata(
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MetadataKeys.BASE_PATH,
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controller
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)
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const routers: RouteHandler[] = Reflect.getMetadata(
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MetadataKeys.ROUTERS,
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controller
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)
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const exRouter = express.Router()
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routers.forEach(({ method, path, handlerName }) => {
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exRouter[method](
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path,
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controllerInstance[String(handlerName)]
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).bind(controllerInstance)
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info.push({
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api: `${method.toLocaleUpperCase()} ${basePath + path}`,
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handler: `${controller.name}.${String(handlerName)}`,
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})
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})
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this._instance.use(basePath, exRouter)
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})
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console.table(info)
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}
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abstract get controllers(): Array<any>
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}
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