changes for hasOwnerProperty

src/plugin/hierarchical.js

@@ -55,20 +55,20 @@ const HierarchicalPlugin = {
 
   _isValidScaleType(chart, scale) {
     const scales = chart.config.options.scales;
-    if (!scales.hasOwnProperty(scale)) {
+    if (!Object.hasOwnProperty.call(scales, scale)) {
       return false;
     }
     if (!Array.isArray(scales[scale])) {
       return false;
     }
-    return scales[scale][0].hasOwnProperty('type');
+    return Object.hasOwnProperty.call(scales[scale][0], 'type');
   },
 
   /**
    * checks whether this plugin needs ot be enabled based on wehther one is a hierarchical axis
    */
   _enabled(chart) {
-    if (!chart.config.options.hasOwnProperty('scales')) {
+    if (!Object.hasOwnProperty.call(chart.config.options, 'scales')) {
       return null;
     }
     if (this._isValidScaleType(chart, 'xAxes') && chart.config.options.scales.xAxes[0].type === 'hierarchical') {
@@ -134,7 +134,7 @@ const HierarchicalPlugin = {
       chart.data.datasets.forEach((d) => {
         const v = nodes.map((n) => {
           while (n) {
-            if (n.hasOwnProperty(attr)) {
+            if (Object.hasOwnProperty.call(n, attr)) {
               return n[attr];
             }
             // walk up the hierarchy

src/utils.js

@@ -130,7 +130,7 @@ export function resolve(label, flat, dataTree) {
 
   const value = dataParents[dataParents.length - 1];
   // convert to value
-  if (typeof value !== 'number' && value.hasOwnProperty('value')) {
+  if (typeof value !== 'number' && Object.hasOwnProperty.call(value, 'value')) {
     return value.value;
   }
   return value;