8a9d1e8915198c92a96815c2b6e9c37ac4f9f7df Fix: Handle case where saved state does not include column details.

Sync to source repo @8a9d1e8915198c92a96815c2b6e9c37ac4f9f7df

Author: dtbuild

datatables.json

@@ -11,5 +11,5 @@
     ],
     "src-repo": "http://github.com/DataTables/ColReorder",
     "last-tag": "2.0.3",
-    "last-sync": "46aa0350ed379731e81b368be3973d6cdc27c3da"
+    "last-sync": "8a9d1e8915198c92a96815c2b6e9c37ac4f9f7df"
 }

js/dataTables.colReorder.js

@@ -962,12 +962,14 @@ $(document).on('stateLoadInit.dt', function (e, settings, state) {
             // State's ordering indexes
             orderingIndexes(state.colReorder, state.order);
             // State's columns array - sort by restore index
-            for (var i = 0; i < state.columns.length; i++) {
-                state.columns[i]._cr_sort = state.colReorder[i];
+            if (state.columns) {
+                for (var i = 0; i < state.columns.length; i++) {
+                    state.columns[i]._cr_sort = state.colReorder[i];
+                }
+                state.columns.sort(function (a, b) {
+                    return a._cr_sort - b._cr_sort;
+                });
             }
-            state.columns.sort(function (a, b) {
-                return a._cr_sort - b._cr_sort;
-            });
         }
     }
 });