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* [Fast Refresh] Support callthrough HOCs * Add a newly failing testing to demonstrate the flaw This shows why my initial approach doesn't make sense. * Attach signatures at every nesting level * Sign nested memo/forwardRef too * Add an IIFE test This is not a case that is important for Fast Refresh, but we shouldn't change the code semantics. This case shows the transform isn't quite correct. It's wrapping the call at the wrong place. * Find HOCs above more precisely This fixes a false positive that was causing an IIFE to be wrapped in the wrong place, which made the wrapping unsafe. * Be defensive against non-components being passed to setSignature * Fix lint
react-refresh
This package implements the wiring necessary to integrate Fast Refresh into bundlers. Fast Refresh is a feature that lets you edit React components in a running application without losing their state. It is similar to an old feature known as "hot reloading", but Fast Refresh is more reliable and officially supported by React.
This package is primarily aimed at developers of bundler plugins. If you’re working on one, here is a rough guide for Fast Refresh integration using this package.