metro-react-native-babel-preset is a core Babel preset used in React Native projects. It configures Babel to transform JavaScript and JSX code into a format compatible with older JavaScript environments. Crucially, it supports modern JavaScript syntax, Flow type annotations, and React Native specific features like JSX and transforms necessary for cross-platform compatibility, enabling developers to write cutting-edge code that runs flawlessly on diverse devices and platforms. This preset ensures smooth code execution across various React Native versions.
