otto-app/lib/index.js

'use strict';

// Modules
var express  = require('express');
var socketio = require('socket.io');
var config   = require('otto-config');
var response = require('otto-response');

// Export App
module.exports = function (options) {

  if (!options) { options = {}; }

  // New Express App
  var app = express();

  // TODO: Add configuration options
  // Add WebSockets
  var io = socketio();
  app.socketio = io;

  // Global Settings
  config.global(app, process.env, options);

  // TODO: Add configuration option
  // Serve static files before the routes
  // app.use(express.static(__dirname + '/../public')));

  // Remove Header X-Powered-By
  app.disable('x-powered-by');

  // Ensure req.locals exists
  app.use(function (req, res, next) {
    if (!req.locals) { req.locals = {}; }
    next();
  });

  // Attach Routes
  if (options.routes) {
    if (!Array.isArray(options.routes)) { return new Error('options.routes needs to be an Array'); }
    for (var i = 0; i < options.routes.length; i++) {
      options.routes[i] (app);
    }
  }

  // Catch-All Route (Not Found)
  app.use(response.not_found);

  // Error Handler
  app.use(response.failure);

  return app;

};