Chained tokens

index.js

@@ -25,7 +25,7 @@ function t(str, obj){
   obj = obj || {};
   if (t[lang]) str = t[lang][str] || str;
   return str.replace(/\{([^}]+)\}/g, function(_, name){
-    return obj[name] || _;
+    return get(name, obj) || _;
   });
 }
 
@@ -40,4 +40,17 @@ function t(str, obj){
 exports.lang = function(code){
   if (0 == arguments.length) return lang;
   lang = code;
-};
+};
+
+/**
+ * Get Object's path value
+ *
+ * @param {String} path
+ * @param {Object} obj
+ * @return {Mixed}
+ * @api private
+ */
+
+function get (path, obj) {
+  return new Function('_', 'return _.' + path)(obj);
+}

test/index.js

@@ -11,6 +11,8 @@ describe('t(str)', function(){
     t('Hello {name}').should.equal('Hello {name}');
     t('{name} is {age} year(s) old', { name: 'Tobi', age: 2 })
       .should.equal('Tobi is 2 year(s) old');
+    t('{name.first} is from {name.last}\'s family.', { name: { first: 'Tobi', last: 'Goldman' } })
+      .should.equal('Tobi is from Goldman\'s family.');
   })
 })