server.js

"use strict";

var express = require("express");
var path = require("path");
var fs = require("fs");
var app = express();

app.use("/css", express.static(__dirname + "/css"));
app.use("/images", express.static(__dirname + "/images"));
app.use("/downloads", express.static(__dirname + "/downloads"));
app.use("/facultydeputation", express.static(__dirname + "/facultydeputation"));
app.use("/js", express.static(__dirname + "/js"));
app.use("/json", express.static(__dirname + "/json"));

app.get("/", function (req, res) {
  res.sendFile("home.html", { root: path.join(__dirname, "./files") });
});

app.get(/^(.+)$/, function (req, res) {
  try {
    if (
      fs
        .statSync(path.join(__dirname, "./files", req.params[0] + ".html"))
        .isFile()
    ) {
      res.sendFile(req.params[0] + ".html", {
        root: path.join(__dirname, "./files"),
      });
    }
  } catch (err) {
    console.log(err);
    res.sendFile("404.html", { root: path.join(__dirname, "./files") });
  }
});

const portNumber = process.env.PORT || 3000;

app.listen(portNumber, function () {
  console.log("Server running..");
  console.log("Running on localhost:" + portNumber);
});