Added back shouldComponentUpdate in DefaultConnectedControl

Author: kabbi

src/components/control-component.js

@@ -668,6 +668,13 @@ function createControlClass(s = defaultStrategy) {
   /* eslint-disable react/prop-types */
   /* eslint-disable react/no-multi-comp */
   class DefaultConnectedControl extends React.Component {
+    shouldComponentUpdate(nextProps, nextState, nextContext) {
+      return !shallowEqual(this.context, nextContext) || !shallowEqual(this.props, nextProps, {
+        deepKeys: ['controlProps'],
+        omitKeys: ['mapProps'],
+      });
+    }
+
     render() {
       return (
         <ConnectedControl
@@ -681,6 +688,9 @@ function createControlClass(s = defaultStrategy) {
     }
   }
 
+  // Copy the context types so that we can properly implement shouldComponentUpdate
+  DefaultConnectedControl.contextTypes = ConnectedControl.contextTypes;
+
   DefaultConnectedControl.custom = ConnectedControl;
 
   class DefaultConnectedControlInput extends DefaultConnectedControl {