15 lines
543 B
TypeScript
Executable File
15 lines
543 B
TypeScript
Executable File
/// <reference types="react" />
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/**
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* Exactly the same as `useRef` except that the initial value is set via a
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* factory function. Useful when the default is relatively costly to construct.
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*
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* ```ts
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* const ref = useRefWithInitialValueFactory<ExpensiveValue>(() => constructExpensiveValue())
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*
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* ```
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*
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* @param initialValueFactory A factory function returning the ref's default value
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* @category refs
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*/
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export default function useRefWithInitialValueFactory<T>(initialValueFactory: () => T): import("react").MutableRefObject<T>;
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