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We previously always generated import statements for any modules that
had to be required, notably the `import {c} from
'react/compiler-runtime'` for the memo cache function. However, this
obviously doesn't work when the source is using commonjs. Now we check
the sourceType of the module and generate require() statements if the
source type is 'script'.
I initially explored using
https://babeljs.io/docs/babel-helper-module-imports, but the API design
was unfortunately not flexible enough for our use-case. Specifically,
our pipeline is as follows:
* Compile individual functions. Generate candidate imports,
pre-allocating the local names for those imports.
* If the file is compiled successfully, actually add the imports to the
program.
Ie we need to pre-allocate identifier names for the imports before we
add them to the program — but that isn't supported by
babel-helper-module-imports. So instead we generate our own require()
calls if the sourceType is script.
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| jest.config.js | ||
| package.json | ||
| README.md | ||
| tsconfig.json | ||
| tsup.config.ts | ||
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