dynamically add data to chart

Author: aaronhayes

lib/core.js

@@ -94,12 +94,21 @@ var updatePoints = function(nextProps, chart, dataKey) {
   } else {
     nextProps.data.datasets.forEach(function(set, setIndex) {
       set.data.forEach(function(val, pointIndex) {
-        chart.datasets[setIndex][dataKey][pointIndex].value = val;
+        if (typeof(chart.datasets[setIndex][dataKey][pointIndex]) == "undefined") {
+          addData(nextProps, chart, setIndex, pointIndex);
+        } else {
+          chart.datasets[setIndex][dataKey][pointIndex].value = val;
+        }
       });
     });
   }
 };
 
-
-
+var addData = function(nextProps, chart, setIndex, pointIndex) {
+  var values = [];
+  nextProps.data.datasets.forEach(function(set) {
+    values.push(set.data[pointIndex]);
+  });
+  chart.addData(values, nextProps.data.labels[setIndex]);
+};