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react-use-control Library Eliminates React Controlled/Uncontrolled State Boilerplate

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A developer has released react-use-control, an open-source React library designed to simplify how components handle controlled and uncontrolled state. Traditional React patterns require separate value, defaultValue, and onChange props along with sync effects and mode-detection logic, which multiplies boilerplate across complex components. The library introduces a single 'control' prop per state value: passing a plain value sets an uncontrolled default, while passing a control object shares state directly with the parent, eliminating dual sources of truth. Both modes execute the same internal code path with no branching, and the library weighs in at roughly 80 lines with zero external dependencies. Benchmarks show the approach outperforms both manual implementations and Radix UI's useControllableState on controlled prop updates, and it currently powers the author's haze-ui component library.

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