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socket.io - middleware vs ejecutar después de la conexión

Estoy trabajando con socket.io por primera vez para configurar la autenticación.

¿Cuál es la diferencia entre usar un middleware y ejecutar una función después de la conexión ?

Referencia: https://socket.io/docs/v4/middlewares/

 // middleware io.use((s, next) => { if (isAuthed(s.request)) { next(); } else { next(new Error("invalid")); } });

contra

 // after connection io.of("/").on("connection", (s) => { if (!isAuthed(s.request)) throw new Error("invalid"); ... });
about 4 years ago · Juan Pablo Isaza
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