Fix unnecessary marker re-render

Author: abraha2d

dist/components/Marker.js

@@ -135,7 +135,7 @@
     }, {
       key: 'componentDidUpdate',
       value: function componentDidUpdate(prevProps) {
-        if (this.props.map !== prevProps.map || this.props.position !== prevProps.position || this.props.icon !== prevProps.icon) {
+        if (this.props.map !== prevProps.map || this.props.position.lat() !== prevProps.lat() || this.props.position.lng() !== prevProps.lng() || this.props.icon !== prevProps.icon) {
           if (this.marker) {
             this.marker.setMap(null);
           }

src/components/Marker.js

@@ -36,7 +36,8 @@ export class Marker extends React.Component {
 
   componentDidUpdate(prevProps) {
     if ((this.props.map !== prevProps.map) ||
-      (this.props.position !== prevProps.position) ||
+      (this.props.position.lat() !== prevProps.lat()) ||
+      (this.props.position.lng() !== prevProps.lng()) ||
       (this.props.icon !== prevProps.icon)) {
         if (this.marker) {
             this.marker.setMap(null);