make i18n works with express

examples/app.js

@@ -3,19 +3,25 @@
  * Module dependencies.
  */
 
-var express = require('express');
+var express = require('express'),
+    jst = require('jst');
 
 var app = module.exports = express.createServer();
 
 // Configuration
 
+jst.configure({
+  locales: {locales: __dirname + '/locales'}
+});
+
 app.configure(function(){
   app.set('views', __dirname + '/views');
-  app.set('view engine', 'jst');
-  // Uncomment if you want to use .html instead of .jst'
-  // app.register('.html', require('jst'))
+  //app.set('view engine', 'jst');
+  app.register('.html', jst); // Use this for i18n
   app.use(express.bodyParser());
   app.use(express.methodOverride());
+  app.use(function(req, res, next) { req.lang = 'zh_CN'; next(); });
+  app.use(jst.detector);
   app.use(app.router);
   app.use(express.static(__dirname + '/public'));
 });
@@ -31,7 +37,7 @@ app.configure('production', function(){
 // Routes
 
 app.get('/', function(req, res){
-  res.render('index', {
+  res.render('index.html', {
     title: 'Express'
   });
 });

examples/locales/zh_CN.json

@@ -0,0 +1,5 @@
+{
+  "Hello {name}": "你好 {name}",
+  "There is a car": "有一辆车",
+  "There are {n} cars": "有{n}辆车"
+}

examples/views/index.html

@@ -0,0 +1,7 @@
+<h1>{{ title }}</h1>
+<p>Welcome to {{ title }}</p>
+
+<h2>i18n</h2>
+<p>{{ _('Hello {name}', {name: 'JST'}) }}</p>
+<p>{{ _n('There is a car', 'There are {n} cars', 1) }}</p>
+<p>{{ _n('There is a car', 'There are {n} cars', 3) }}</p>

lib/jst.js

@@ -11,6 +11,8 @@ var fs = require('fs'),
 
 exports.version = '0.0.11';
 
+exports.detector = locales.detector;
+
 var _cache = {},
     _files = {},
     _options = {