我将 expressjs 与最新的 typescript 定义文件和来自 https://github.com/DefinitelyTyped/DefinitelyTyped 的 typescript 2.3.4 一起使用.
我定义了一个路由器,并希望按照官方 4.x 文档 (app.use('/calendar', router);
) 中的说明从子路径使用它,但出现以下错误
Error: /Users/matthias/Documents/private workspace/universal/src/server/server.ts (161,34): Argument of type 'typeof "/Users/matthias/Documents/private workspace/universal/src/server/routes/login.router"' is not assignable to parameter of type 'RequestHandlerParams'.
Type 'typeof "/Users/matthias/Documents/private workspace/universal/src/server/routes/login.router"' is not assignable to type '(RequestHandler | ErrorRequestHandler)[]'.
Property 'length' is missing in type 'typeof "/Users/matthias/Documents/private workspace/universal/src/server/routes/login.router"'.
这是我正在使用的路由器,省略了实际代码...
const router : express.Router = express.Router();
let loginController = new LoginController();
router.post('/signin', function(req: express.Request, res: express.Response, next: express.NextFunction) {
...
})(req, res, next);
});
...
export default router;
...这是对它的调用的简化版本。
import * as loginRouter from './routes/login.router';
private app = express();
this.app.use('/api/v1/auth', loginRouter);
是我做错了什么,还是这个用例没有在 typescript 定义文件中正确定义?
亲切的问候
最佳答案
找到了,import * as ...好像丢失了它的typescript信息(IRouter, Router)
解决方案是使用 import loginRouter from './routes/login.router';
代替
关于javascript - 表达 : typescript: Argument of type 'typeof <express.Router>' is not assignable to parameter of type 'RequestHandlerParams' ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44920881/