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 cors = require("cors");
const bodyParser = require("body-parser");
const indexRouter = require("./routes");
const port = 3000;
const app = express();

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

app.use(
  bodyParser.urlencoded({
    extended: true,
  })
);
app.use(bodyParser.json());
app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`);
});
app.use("/api", indexRouter);
app.get("/", (req, res) => {
  res.send("Hello World!");
});

app.use((req, res, next) => {
  next(createError(404));
});

app.use((err, req, res, next) => {
  res.locals.message = err.message;
  res.locals.error = req.app.get("env") === "development" ? err : {};
  res.status(err.status || 500);
  res.render("error");
});

module.exports = app;