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eee5ca2a92
We didn't originally support holes within array patterns, so DCE was only able to prune unused items from the end of an array pattern. Now that we support holes we can replace any unused item with a hole, and then just prune the items to the last identifier/spread entry. Note: this was motivated by finding useState where either the state or setState go unused — both are strong indications that you're violating the rules in some way. By DCE-ing the unused portions of the useState destructuring we can easily check if you're ignoring either value. closes #31603 This is a redo of that PR not using ghstack |
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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