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* Adds `isConstructor: boolean` to `FunctionType`. With this PR, each typed function can either be a constructor (currently only known globals) or non constructor. Alternatively, we prefer to encode polymorphic types / effects (and match the closest subtype) * Add Map and Set globals + built-ins --- [//]: # (BEGIN SAPLING FOOTER) Stack created with [Sapling](https://sapling-scm.com). Best reviewed with [ReviewStack](https://reviewstack.dev/facebook/react/pull/32697). * #32698 * __->__ #32697
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