16 lines
655 B
Plaintext
16 lines
655 B
Plaintext
import { ReactRef, RefObject } from './types';
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/**
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* Create a _lense_ on Ref, making it possible to transform ref value
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* @param {ReactRef} ref
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* @param {Function} transformer. 👉 Ref would be __NOT updated__ on `transformer` update.
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* @returns {RefObject}
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*
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* @see https://github.com/theKashey/use-callback-ref#usetransformref-to-replace-reactuseimperativehandle
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* @example
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*
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* const ResizableWithRef = forwardRef((props, ref) =>
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* <Resizable {...props} ref={useTransformRef(ref, i => i ? i.resizable : null)}/>
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* );
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*/
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export declare function useTransformRef<T, K>(ref: ReactRef<K>, transformer: (original: T | null) => K): RefObject<T>;
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