add onRender attribute in component to receive chart instance through callback in parent

Author: Sumo

lib/ReactFC.js

@@ -263,6 +263,10 @@ var ReactFC = function (_React$Component) {
       this.chartObj = new this.FusionCharts(currentOptions);
       this.chartObj.render();
       this.oldOptions = currentOptions;
+
+      if (this.props.onRender && typeof this.props.onRender === 'function') {
+        this.props.onRender(this.chartObj);
+      }
     }
   }, {
     key: 'resolveChartOptions',

src/ReactFC.js

@@ -207,6 +207,10 @@ class ReactFC extends React.Component {
     this.chartObj = new this.FusionCharts(currentOptions);
     this.chartObj.render();
     this.oldOptions = currentOptions;
+
+    if (this.props.onRender && typeof this.props.onRender === 'function') {
+      this.props.onRender(this.chartObj);
+    }
   }
 
   resolveChartOptions(props) {