It should generate index for languages

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/utils/promise.js b/lib/utils/promise.js
index b8ab63c..f272767 100644
--- a/lib/utils/promise.js
+++ b/lib/utils/promise.js
@@ -11,9 +11,9 @@ var Immutable = require('immutable');
 function reduce(arr, iter, base) {
     arr = Immutable.Iterable.isIterable(arr)? arr : Immutable.List(arr);
 
-    return arr.reduce(function(prev, elem, i) {
+    return arr.reduce(function(prev, elem, key) {
         return prev.then(function(val) {
-            return iter(val, elem, i);
+            return iter(val, elem, key);
         });
     }, Q(base));
 }
@@ -26,8 +26,8 @@ function reduce(arr, iter, base) {
     @return {Promise}
 */
 function forEach(arr, iter) {
-    return reduce(arr, function(val, el) {
-        return iter(el);
+    return reduce(arr, function(val, el, key) {
+        return iter(el, key);
     });
 }
 
@@ -39,8 +39,8 @@ function forEach(arr, iter) {
     @return {Promise}
 */
 function serie(arr, iter, base) {
-    return reduce(arr, function(before, item, i) {
-        return Q(iter(item, i))
+    return reduce(arr, function(before, item, key) {
+        return Q(iter(item, key))
         .then(function(r) {
             before.push(r);
             return before;