dillon1000/react

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Remove module pattern function component support (flag only) (#28671)

Remove module pattern function component support (flag only)

> This is a redo of #27742, but only including the flag removal,
excluding further simplifications.

The module pattern

```
function MyComponent() {
  return {
    render() {
      return this.state.foo
    }
  }
}
```

has been deprecated for approximately 5 years now. This PR removes
support for this pattern.
Browse files
Jan Kassens authored a73c3450e1b528fa6cb3e94fa4d4359c7a4b61f1 Parent f269074
Changed paths22 files
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M packages/react-dom/src/__tests__/ReactComponentLifeCycle-test.js ModifiedM packages/react-dom/src/__tests__/ReactCompositeComponent-test.js ModifiedM packages/react-dom/src/__tests__/ReactCompositeComponentState-test.js ModifiedM packages/react-dom/src/__tests__/ReactDOMServerIntegrationElements-test.js ModifiedM packages/react-dom/src/__tests__/ReactErrorBoundaries-test.internal.js ModifiedM packages/react-dom/src/__tests__/ReactLegacyErrorBoundaries-test.internal.js ModifiedM packages/react-dom/src/__tests__/refs-test.js ModifiedM packages/react-reconciler/src/ReactFiberBeginWork.js ModifiedM packages/react-reconciler/src/ReactFiberClassComponent.js ModifiedM packages/react-reconciler/src/__tests__/ReactHooks-test.internal.js ModifiedM packages/react-reconciler/src/__tests__/ReactHooksWithNoopRenderer-test.js ModifiedM packages/react-reconciler/src/__tests__/ReactIncremental-test.js ModifiedM packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js ModifiedM packages/react-refresh/src/__tests__/ReactFreshIntegration-test.js ModifiedM packages/react-server/src/ReactFizzServer.js ModifiedM packages/shared/ReactFeatureFlags.js ModifiedM packages/shared/forks/ReactFeatureFlags.native-fb.js ModifiedM packages/shared/forks/ReactFeatureFlags.native-oss.js ModifiedM packages/shared/forks/ReactFeatureFlags.test-renderer.js ModifiedM packages/shared/forks/ReactFeatureFlags.test-renderer.native.js ModifiedM packages/shared/forks/ReactFeatureFlags.test-renderer.www.js ModifiedM packages/shared/forks/ReactFeatureFlags.www.js Modified
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