Merge pull request #16 from flothoni/hidden_dataset

bypass afterDatasetsDraw of dataset is hidden

Author: dg-datavisyn

src/plugin.js

@@ -188,7 +188,14 @@ const ErrorBarsPlugin = {
 
     // map error bar to barchart bar via label property
     barchartCoords.forEach((dataset, i) => {
+      var hidden = chart.data.datasets[i]._meta[0].hidden
+      if (hidden) { 
+        return; 
+      }
+      
       dataset.forEach((bar) => {
+        
+
         let cur = errorBarCoords[i];
         if (!cur) {
           return;