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TypeError: Router.use() requiere una función de middleware pero obtuvo una cadena en Function.use

Soy nuevo en el desarrollo de Node y ExpressJs, sin embargo, no puedo importar un enrutador de módulo creado por mí como ejercicio.

Me da este error:

 TypeError: Router.use () requires a middleware function but got a string at Function.use

Ya probé la solución module.exports, pero no funciona. La función de inicialización también falla.

Estas son las versiones con las que estoy trabajando:
Versión del nodo: v10.19.0
Versión expresa: 4.17.2

Índice.js

 const express = require('express'); const app = express(); const ProgettoRouting = require("./routing/ProgettoRouting"); app.use("view engine","jade"); app.use(express.static("public")); //Codifica dati json con questo middlware senza uso //del pacchetto npm Body Parser app.use(express.json()); //Con questo milldelware Importiamo il Router Dati //dove risiedono le funzionalità del progetto app.use('/route', ProgettoRouting); //app.use(app.ProgettoRouting); //ProgettoRouting.initialize(app); app.listen(3000, () => {console.log("Server in ascolto sulla porta 3000")});

ProgettoRouting.js

 const express = require('express'); const router = express.Router(); router.post("/",(res,req) => { let firstName = req.body.nome; let lastName = req.body.cognome; let message = {nome: firstName, cognome: lastName}; res.render("index",message); }); module.exports = router;
about 4 years ago · Juan Pablo Isaza
1 answers
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0

necesitas usar

app.set("view engine","jade");

en vez de

app.use("view engine","jade");

ya que tiene la intención de establecer la propiedad view-engine en jade , no configurar un middleware.

about 4 years ago · Juan Pablo Isaza Report
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