Fix isNumeric (breaking older MX-versions)

Author: Jelte Lagendijk

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ChartJS",
-  "version": "3.1.2",
+  "version": "3.1.3",
   "description": "This widget is a wrapper for the ChartJS library and you can use it to visualize your aggregated data.",
   "license": "Apache License, Version 2",
   "author": "Mendix",

src/ChartJS/widgets/Core.js

@@ -418,14 +418,22 @@ define([
             }));
         },
 
+        _isNumber: function (n, attr) {
+            // Fix for older MX versions who do not have the .isNumeric method
+            if (typeof n.isNumeric === "function") {
+                return n.isNumeric(attr);
+            }
+            return n.isNumber(attr);
+        },
+
         _sortArrayMx: function (values, sortAttr) {
             logger.debug(this.id + "._sortArrayMx");
             return values.sort(lang.hitch(this, function (a, b) {
                 var aa = +(a.get(sortAttr)),
                     bb = +(b.get(sortAttr));
                 //if the attribute is numeric
-                aa = a.isNumeric(sortAttr) ? parseFloat(aa) : aa;
-                bb = b.isNumeric(sortAttr) ? parseFloat(bb) : bb;
+                aa = this._isNumber(a, sortAttr) ? parseFloat(aa) : aa;
+                bb = this._isNumber(b, sortAttr) ? parseFloat(bb) : bb;
                 if (aa > bb) {
                     return 1;
                 }

src/package.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://www.mendix.com/package/1.0/">
-    <clientModule name="ChartJS" version="3.1.2" xmlns="http://www.mendix.com/clientModule/1.0/">
+    <clientModule name="ChartJS" version="3.1.3" xmlns="http://www.mendix.com/clientModule/1.0/">
         <widgetFiles>
             <widgetFile path="ChartJS/widgets/BarChart/BarChart.xml"/>
             <widgetFile path="ChartJS/widgets/LineChart/LineChart.xml"/>