feat(react-input): add useInputBase_unstable hook#35813
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Adds InputBaseProps, InputBaseState types and useInputBase_unstable hook to the react-input package. The base hook handles controlled/uncontrolled value state, onChange handling, and slot structure (root span, input, contentBefore, contentAfter) without design-specific props (appearance, size). The styled useInput_unstable hook is refactored to call the base hook and spread its results. Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
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Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
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mainframev
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Co-authored-by: Claude Sonnet 4.6 <[email protected]>
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Summary
InputBasePropstype derived fromInputPropsby omitting design props (appearance,size)InputBaseStatetype derived fromInputStateby omitting the same design propsuseInputBase_unstablehook that handles:useControllableStateonChangeevent handling with theInputOnChangeDatacallback signatureroot(span wrapper),input(the actual input element),contentBeforeandcontentAfteroptional slotsuseInput_unstableto calluseInputBase_unstableand spread its results, then addappearanceandsizecontentBefore/contentAfterare user-provided optional slots (not default implementations), so they remain in the base hookpackages/react-components/react-input/library/src/index.tsWhat base hooks do
Base hooks extract pure component logic — ARIA, keyboard handling, slot structure — WITHOUT styling, design props, or default slot implementations. This allows consumers to build custom-styled variants without taking on the full FluentUI design system.
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