he/him 
Experimenting with hot reloading again. Found an approach that seems to work well for hot reloading Hooks. Would require some tweaks in React though.pic.twitter.com/2WueEBfkT1
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Note an interesting moment: when I added second state to SearchResults, it correctly inferred the order of Hooks changed, and so it remounted my component.
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Build-time plugin composes a signature for each component. A signature contains each use* call in component body with: 1. its name 2. stringified LHS of how its result is used It also composes signatures of every custom Hook inside. (Each is defined with same mechanism.)
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Something like this for final example: useHNSearch.__signature__ = 'useState{const [data, setData]} useEffect'; SearchResults.__signature__ = 'useState{const [page, setPage]} useHNSearch{const data}' + '!' + useHNSearch.__signature__;
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