dillon1000/react
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Browse files compiler: Improve merging of memo scopes that invalidate together
Improves merging of consecutive scopes so that we now merge two scopes if the dependencies of the second scope are a subset of the previous scope's output *and* that dependency has a type that will always produce a new value (array, object, jsx, function) if it is re-evaluated. To make this easier, we extend the set of builtin types to include ones for function expressions and JSX and to infer these types in InferTypes. This allows using the already inferred types in MergeReactiveScopesThatInvalidateTogether. ghstack-source-id: e9119fc4e02b3665848113d71fdff0c5bac3348a Pull Request resolved: https://github.com/facebook/react/pull/29156
Changed paths6 files
First-parent comparisoncompiler/packages/babel-plugin-react-compiler/src/HIR/ObjectShape.ts ModifiedM compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/MergeReactiveScopesThatInvalidateTogether.ts ModifiedM compiler/packages/babel-plugin-react-compiler/src/TypeInference/InferTypes.ts ModifiedM compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-aliased-ref-in-callback-invoked-during-render-.expect.md ModifiedM compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/error.invalid-ref-in-callback-invoked-during-render.expect.md ModifiedM compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/merge-consecutive-scopes-deps-subset-of-decls.expect.md ModifiedPatch
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