app.js

const createError = require("http-errors");
const express = require("express");
const path = require("path");
const cookieParser = require("cookie-parser");
const logger = require("morgan");

const restRouter = require("./routes/rest");
const homeRouter = require("./routes/home");

const app = express();

app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");

app.use((req, res, next) => {
  res.append("Access-Control-Allow-Origin", "*");
  res.setHeader("Access-Control-Allow-Methods", "GET");
  res.append("Access-Control-Allow-Headers", "Content-Type");
  res.set("Access-Control-Expose-Headers", "*");
  next();
});

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

app.use("/static", express.static(path.join(__dirname, "public")));
app.use("/rest", restRouter);
app.use("/", homeRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render("error");
});

const listener = app.listen(8080, () => {
  console.log(`Server is up on: ${listener.address()?.port}`);
});

module.exports = app;