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react/compiler/packages/babel-plugin-react-compiler
Joe Savona 207cf384b0 [compiler] Distinguish Alias/Assign effects
Alias was akward becuase it had a specific data flow / mutability relationship — direct mutations affect both sides - but also populated the output. We need the ability to express the aliasing dataflwo/mutability relationship w/o expressing actual assignment.

An example of this is that for an unknown method call `const z = x.y()`, we want to express the Alias-style mutability relationship btw z and x (Muate(z) => Mutate(x)), but we want to assume that `z !== x`.

This ends up being really clean, the places that should use Assign are very obvious (LoadLocal, StoreLocal) and most places keep using Alias.

[ghstack-poisoned]
2025-05-30 15:57:18 -07:00
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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