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");

// Routes
const indexRouter = require("./routes/index");
const { viewerCounter: viewerCounterRouter, v1: viewerCounterV1Router, } = require("./routes/viewerCounter/index");

const app = express();

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

app.use(cors({ origin: process.env.CORS_ORIGIN || "*" }));
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public"))); // Publish public files

// ------------------------------------
// ------------ Routes ----------------
// ------------------------------------
app.use("/", indexRouter);

// Viewer Counter
app.use("/viewer-counter", viewerCounterRouter);
app.use("/viewer-counter-v1", viewerCounterV1Router);


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

// error handler
app.use((err, req, res, next) => {
  // 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");
});

module.exports = app;