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Move environment config parsing for `inlineJsxTransform`, `lowerContextAccess`, and some dev-only options out of snap (test fixture). These should now be available for playground via `@inlineJsxTransform` and `lowerContextAccess`. Other small change: Changed zod fields from `nullish()` -> `nullable().default(null)`. [`nullish`](https://zod.dev/?id=nullish) fields accept `null | undefined` and default to `undefined`. We don't distinguish between null and undefined for any of these options, so let's only accept null + default to null. This also makes EnvironmentConfig in the playground more accurate. Previously, some fields just didn't show up as `prettyFormat({field: undefined})` does not print `field`.
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