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node_modules/react-native/Libraries/ReactNative/getCachedComponentWithDebugName.js

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+/**
+ * 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 strict
+ * @format
+ */
+
+import * as React from 'react';
+
+type NoopComponent = component(children: React.Node);
+
+const cache: Map<
+  string, // displayName
+  NoopComponent, // ComponentWithDisplayName
+> = new Map();
+
+export default function getCachedComponentWithDisplayName(
+  displayName: string,
+): NoopComponent {
+  let ComponentWithDisplayName = cache.get(displayName);
+
+  if (!ComponentWithDisplayName) {
+    ComponentWithDisplayName = ({children}: {children: React.Node}) => children;
+    // $FlowFixMe[prop-missing]
+    ComponentWithDisplayName.displayName = displayName;
+    cache.set(displayName, ComponentWithDisplayName);
+  }
+
+  return ComponentWithDisplayName;
+}