DevTools: Fix nested HOC name extraction in extractHOCNames

packages/react-devtools-shared/src/__tests__/extractHOCNames-test.js

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ */
+
+import {extractHOCNames} from 'react-devtools-shared/src/backend/views/utils';
+
+describe('extractHOCNames', () => {
+  it('should extract nested HOC names in order', () => {
+    expect(extractHOCNames('Memo(Forget(Foo))')).toEqual({
+      baseComponentName: 'Foo',
+      hocNames: ['Memo', 'Forget'],
+    });
+  });
+
+  it('should handle a single HOC', () => {
+    expect(extractHOCNames('Memo(Foo)')).toEqual({
+      baseComponentName: 'Foo',
+      hocNames: ['Memo'],
+    });
+  });
+
+  it('should return the original name when there are no HOCs', () => {
+    expect(extractHOCNames('Foo')).toEqual({
+      baseComponentName: 'Foo',
+      hocNames: [],
+    });
+  });
+});

packages/react-devtools-shared/src/backend/views/utils.js

@@ -148,7 +148,7 @@ export function extractHOCNames(displayName: string): {
 } {
   if (!displayName) return {baseComponentName: '', hocNames: []};
 
-  const hocRegex = /([A-Z][a-zA-Z0-9]*?)\((.*)\)/g;
+  const hocRegex = /^([A-Z][a-zA-Z0-9]*?)\((.*)\)$/;
   const hocNames: string[] = [];
   let baseComponentName = displayName;
   let match;