revert legend change but keep it as well

Author: jerairrest

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-chartjs-2",
-  "version": "2.5.0",
+  "version": "2.5.2",
   "description": "react-chartjs-2",
   "main": "lib/index.js",
   "author": "Goran Udosic",

src/index.js

@@ -250,7 +250,10 @@ class ChartComponent extends React.Component {
     const {options, legend, type, redraw, plugins} = this.props;
     const node = this.element;
     const data = this.memoizeDataProps();
-    options.legend = legend;
+
+    if(typeof legend !== 'undefined' && !isEqual(ChartComponent.defaultProps.legend, legend)) {
+      options.legend = legend;
+    }
 
     this.chart_instance = new Chart(node, {
       type,

test/__tests__/Chart_spec.js

@@ -36,8 +36,8 @@ describe('<Chart />', () => {
   });
 
   const mountComponent = props => mount(
-    <Chart data={data} {...props} />,
-    { attachTo: DOM.body.firstChild }
+      <Chart data={data} {...props} />,
+      { attachTo: DOM.body.firstChild }
   );
 
   beforeEach(() => {
@@ -122,15 +122,14 @@ describe('<Chart />', () => {
   it('renders on props.options change', () => {
     const spy = sinon.spy(Chart.prototype, 'render');
     const wrapper = mountComponent({ options: {} });
-    const defaultLegendOpts = wrapper.prop('legend');  
 
     expect(spy.callCount).to.equal(1);
 
-    wrapper.setProps({ options: { legend: defaultLegendOpts } });
+    wrapper.setProps({ options: {} });
 
     expect(spy.callCount).to.equal(1);
 
-    wrapper.setProps({ options: { legend: defaultLegendOpts, a: 1 } });
+    wrapper.setProps({ options: { a: 1 } });
 
     expect(spy.callCount).to.equal(2);