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Mofei Zhang 5d12e9e10b [compiler] repro for dep merging edge case (non-hir)

Found when writing #31037, summary copied from comments:

This is an extreme edge case and not code we'd expect any reasonable developer to write. In most cases e.g. `(a?.b != null ? a.b : DEFAULT)`, we do want to take a dependency on `a?.b`.

I found this trying to come up with edge cases that break the current dependency + CFG merging logic. I think it makes sense to error on the side of correctness. After all, we still take `a` as a dependency if users write `a != null ? a.b : DEFAULT`, and the same fix (understanding the `<hoistable> != null` test expression) works for both. Can be convinced otherwise though!

ghstack-source-id: cc06afda59
Pull Request resolved: https://github.com/facebook/react/pull/31035

2024-09-30 12:35:16 -04:00

scripts

Compiler: unfork prettier config (#30205 )

2024-07-18 17:00:24 -04:00

src

[compiler] repro for dep merging edge case (non-hir)

2024-09-30 12:35:16 -04:00

jest.config.js

Compiler: unfork prettier config (#30205 )

2024-07-18 17:00:24 -04:00

package.json

[playground] Decouple playground from compiler

2024-09-27 15:25:07 -04:00

README.md

[compiler] Add readme for babel plugin

2024-05-15 17:29:49 -07:00

rollup.config.js

Compiler: unfork prettier config (#30205 )

2024-07-18 17:00:24 -04:00

tsconfig.json

Don't emit types for babel-plugin-react-compiler

2024-05-14 11:02:30 -04:00

README.md

babel-plugin-react-compiler

React Compiler is a compiler that optimizes React applications, ensuring that only the minimal parts of components and hooks will re-render when state changes. The compiler also validates that components and hooks follow the Rules of React.

This package contains the React Compiler Babel plugin use in projects that make use of Babel. You can find instructions for using this plugin here: https://react.dev/learn/react-compiler