index.js

module.exports = function(sails) {

  /**
   * Module dependencies.
   */

  var _ = require('@sailshq/lodash');
  
  // Declare a private var to hold the instantiated i18n module.
  var i18n;


  /**
   * Expose hook definition
   */

  return {

    defaults: {
      // i18n
      i18n: {
        locales: ['en', 'es', 'fr', 'de'],
        defaultLocale: 'en',
        localesDirectory: '/config/locales'
      }
    },

    routes: {

      before: {

        'all /*': function addLocalizationMethod (req, res, next) {

          i18n.init(req, res, function() {
            res.locals.i18n = res.i18n = res.__;
            next();
          });

        }
      }
    },

    initialize: function(cb) {

      i18n = require('i18n');

      i18n.configure(_.defaults(sails.config.i18n, {
        cookie: null,
        directory: sails.config.appPath + sails.config.i18n.localesDirectory,
        updateFiles: false,
        extension: '.json',
        logDebugFn: function(log){sails.log.verbose('i18n:', log);},
        logWarnFn: function(log){sails.log.warn('i18n:', log);},
        logErrorFn: function(log){sails.log.error('i18n:', log);},
      }));

      // Expose global access to locale strings
      sails.__ = i18n.__;
      // Finally
      cb();

    }

  };
};