Fixed index of Array items not being updated after sorting

HISTORY.md

@@ -3,6 +3,11 @@
 https://github.com/josdejong/jsoneditor
 
 
+## not yet released, version 5.15.1
+
+- Fixed index numbers of Array itesm not being updated after sorting.
+
+
 ## 2018-05-02, version 5.15.0
 
 - Implemented selection API: `onSelectionChanged`, `onTextSelectionChanged`,

package.json

@@ -19,7 +19,7 @@
   "bugs": "https://github.com/josdejong/jsoneditor/issues",
   "scripts": {
     "build": "gulp",
-    "watch": "gulp watch",
+    "start": "gulp watch",
     "test": "mocha test"
   },
   "dependencies": {

src/js/Node.js

@@ -3003,6 +3003,14 @@ Node.prototype.sort = function (direction) {
   });
   this.sortOrder = (order == 1) ? 'asc' : 'desc';
 
+  // update the index numbering
+  if (this.type === 'array') {
+    this.childs.forEach(function (child, index) {
+      child.index = index;
+      child.updateDom();
+    });
+  }
+
   this.editor._onAction('sort', {
     node: this,
     oldChilds: oldChilds,