Avoid connecting plugins if they don't need it

__tests__/src/extend/pluginMapping.test.js

@@ -58,8 +58,12 @@ describe('connectPluginsToStore', () => {
     const ComponentB = props => null;
 
     const plugins = [
-      { component: ComponentA, mode: 'wrap', target: 'Window' },
-      { component: ComponentB, mode: 'add', target: 'TopBar' },
+      {
+        component: ComponentA, mapStateToProps: {}, mode: 'wrap', target: 'Window',
+      },
+      {
+        component: ComponentB, mapDispatchToProps: {}, mode: 'add', target: 'TopBar',
+      },
     ];
 
     const result = connectPluginsToStore(plugins);
@@ -67,6 +71,20 @@ describe('connectPluginsToStore', () => {
     expect(result[0].component.displayName).toBe('Connect(ComponentA)');
     expect(result[1].component.displayName).toBe('Connect(ComponentB)');
   });
+
+  it('returns plugins unchanged that do not need a connection to the store', () => {
+    /** */
+    const ComponentA = props => null;
+
+    const plugins = [
+      {
+        component: ComponentA, mode: 'wrap', target: 'Window',
+      },
+    ];
+
+    const result = connectPluginsToStore(plugins);
+    expect(result[0].component).toEqual(ComponentA);
+  });
 });
 
 describe('addPluginsToCompanionWindowsRegistry', () => {

src/extend/pluginMapping.js

@@ -40,6 +40,8 @@ export function addPluginsToCompanionWindowsRegistry(plugins) {
 
 /** Connect plugin component to state */
 function connectPluginComponent(plugin) {
+  if (!plugin.mapStateToProps && !plugin.mapDispatchToProps) return plugin.component;
+
   return connect(
     plugin.mapStateToProps,
     plugin.mapDispatchToProps,