An example of injecting dynamic routes for a language based app. See: https://github.com/balderdashy/sails/issues/821

bootstrap.js

// Add logic to /config/bootstrap.js for injecting routes

/**
 * Bootstrap
 *
 * An asynchronous boostrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#documentation
 */

// Require the Language Mapping
var routeMap = require('../api/services/languageMap').map;

module.exports.bootstrap = function (cb) {

  // For each type of page bind all the language routes
  Object.keys(routeMap).forEach(function(route) {
    bindRoutes(routeMap[route]);
  });

  /**
   * Bind Routes For Page Type
   *
   * @param {Object} route
   */

  function bindRoutes(route) {

    var controller = route.controller;
    var action = route.action;
    var controllerFn = sails.controllers[controller][action];

    // For each language route bind a route
    for(var key in route.routes) {
      sails.emit('router:bind', {
        path  : '/' + route.routes[key],
        target  : buildHandler(key, controllerFn),
        verb  : 'get'
      });
    }
  }

  /**
   * Build a Router Handler
   *
   * @param {String} langKey
   * @param {Function} fn
   */

  function buildHandler(langKey, fn) {
    return function(req, res, next) {

      // Sets the languageType param to whatever the language key was
      // for the route. Example: `de`
      req.languageType = langKey;

      // Call actual controller method
      fn(req, res, next);
    };
  }

  // It's very important to trigger this callack method when you are finished
  // with the bootstrap!  (otherwise your server will never lift, since it's waiting on the bootstrap)
  cb();
};

languageMap.js

// Place this in /api/services/languageMap.js

/**
 * Maps Pages for various languages To URLs
 */

exports.map = {
  
  'electronics': {
    controller: 'store',
    action: 'typeA',
    routes: {
      en: 'electronics',
      fr: 'electronique',
      de: 'elektronik',
      it: 'electronics'
    }
  },

  'books': {
    controller: 'store',
    action: 'typeB',
    routes: {
      en: 'books',
      fr: 'livres',
      de: 'bucher',
      it: 'libri'
    }
  }
};

StoreController.js

// An example controller from /api/controllers/StoreController.js

module.exports = {

  typeA: function(req, res) {
    res.send('typeA action with Lang Type: ' + req.languageType);
  },

  typeB: function(req, res) {
    res.send('typeB action with Lang Type: ' + req.languageType);
  }

};