Middleware Stacker

index.js

// In the express generated example, this is /routes/index.js

var express = require('express');
var router = express.Router();

var TheService = function() {};
TheService.prototype = {
  getTitle: function(req, res, next) {
    console.log('getTitle');
    res.title = 'Express';
    next();
  },

  renderPage: function(req, res, next) {
    console.log('renderPage')
    res.render('index', {
      title: res.title
    });
  }
};


var service = new TheService();

var routes = [{
  path: '/',
  get: [service.getTitle, service.renderPage]
}]


var allowedHttpMethods = ['all', 'get', 'put', 'post', 'delete'];
for (var i = 0; i < routes.length; i++) {
  var route = routes[i];

  for (var j = 0; j < allowedHttpMethods.length; j++) {
    var httpMethod = allowedHttpMethods[j],
      middleware = route[httpMethod];

    if (middleware instanceof Array) {
      var args = [route.path].concat(middleware);

      router[httpMethod].apply(router, args);
    }
  }
}

module.exports = router;