improved calculation of current index

Author: unclead

package.json

@@ -3,7 +3,7 @@
   "version": "2.9.0",
   "description": "jQuery multipleInput",
   "scripts": {
-	  "build": "npm install && (gulp || node node_modules/gulp/bin/gulp.js)"
+    "build": "npm install && (gulp || node node_modules/gulp/bin/gulp.js)"
   },
   "repository": {
     "type": "git",
@@ -14,7 +14,7 @@
     "email": "unclead.nsk@gmail.com"
   },
   "keywords": [
-	"jquery"
+    "jquery"
   ],
   "license": "BSD-3-Clause",
   "bugs": {

src/assets/src/js/jquery.multipleInput.js

@@ -424,10 +424,10 @@
 
     var getCurrentIndex = function($wrapper) {
         return $wrapper
-            .children('.multiple-input-list')
-            .children('tbody')
-            .children('.multiple-input-list__item')
-            .length;
+            .find('.multiple-input-list .multiple-input-list__item')
+            .filter(function(){
+                return $(this).parents('.multiple-input').first().attr('id') === $wrapper.attr('id');
+            }).length;
     };
 
     String.prototype.replaceAll = function (search, replace) {