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server.js
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server.js
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const http = require("http");
const app = require("./app");
// Renvoyer un port valide
const normalizePort = val => {
const port = parseInt(val, 10);
if (isNaN(port)) {
return val;
}
if (port >= 0) {
return port;
}
return false;
};
// Le port validé
const port = normalizePort(process.env.PORT || "3000");
// Assigner le port validé à l'appli
app.set("port", port);
// Rechercher et gérer les erreurs
const errorHandler = error => {
if (error.syscall !== "listen") {
throw error;
}
const address = server.address();
const bind = typeof address === "string" ? "pipe " + address : "port: " + port;
switch (error.code) {
case "EACCES":
console.error(bind + " requires elevated privileges.");
process.exit(1);
break;
case "EADDRINUSE":
console.error(bind + " is already in use.");
process.exit(1);
break;
default:
throw error;
}
};
// Créer le serveur
const server = http.createServer(app);
// Écouter le serveur
server.on("error", errorHandler);
server.on("listening", () => {
const address = server.address();
const bind = typeof address === "string" ? "pipe " + address : "port " + port;
console.log("Listening on " + bind);
});
// Configurer le serveur pour qu'il écoute le port approprié
server.listen(port);