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a73c3450e1
Remove module pattern function component support (flag only) > This is a redo of #27742, but only including the flag removal, excluding further simplifications. The module pattern ``` function MyComponent() { return { render() { return this.state.foo } } } ``` has been deprecated for approximately 5 years now. This PR removes support for this pattern.
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.