From e07c21900909fff3c7ede0bbbabf6e86c2c270cf Mon Sep 17 00:00:00 2001
From: Tom Duncalf <tom@tomduncalf.com>
Date: Fri, 8 Apr 2016 15:15:46 +0100
Subject: [PATCH] Copy across the specified properties of each dataset when
 updating the chart - currently just hidden

---
 lib/core.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/core.js b/lib/core.js
index 0d91e02..bbfe734 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -59,10 +59,18 @@ module.exports = {
       chart.data.labels = [];
 
       // Adds the datapoints from nextProps
+      var propsToCopy = ['hidden'];
+
       nextProps.data.datasets.forEach(function(set, setIndex) {
         set.data.forEach(function(val, pointIndex) {
           chart.data.datasets[setIndex].data[pointIndex] = nextProps.data.datasets[setIndex].data[pointIndex];
         });
+
+        propsToCopy.forEach(function(prop) {
+            if (nextProps.data.datasets[setIndex][prop] !== undefined) {
+                chart.data.datasets[setIndex][prop] = nextProps.data.datasets[setIndex][prop];
+            }
+        });
       });
 
       // Sets the labels from nextProps
@@ -118,4 +126,4 @@ module.exports = {
 
     return React.createClass(classData);
   }
-};
\ No newline at end of file
+};