app.js

/*jslint node: true, nomen: true, regexp: true, plusplus: true */
(function () {

    "use strict";

    const express           = require("express"),
          logger            = require("morgan"),
          bodyParser        = require("body-parser"),

          api               = require("./app/routes/api"),

          conf              = require("./app/modules/conf"),
          dbInit            = require("./app/modules/db"),
          auth              = require("./app/modules/auth"),

          app               = express();


    dbInit(conf);

    app.set("views", "./app/views");
    app.set("view engine", "ejs");
    app.use(logger(conf.env === "prod" ? "combined" : "dev"));
    app.use(bodyParser.json());
    app.use(bodyParser.urlencoded({ extended: false }));

    // Support JWT Authentication
    app.use(auth.middleware);

    app.use("/", api);

    // catch 404 and forward to error handler
    app.use((req, res, next) => {
        const err = new Error("Not Found");
        err.status = 404;
        return next(err);
    });

    // error handler
    app.use((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.send(err.message);
    });

    module.exports = app;

})();