13 lines
686 B
TypeScript
13 lines
686 B
TypeScript
/**
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* Hook to initialize and return a constant value. Unlike `React.useMemo`, this is guaranteed to
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* always return the same value (and if the initializer is a function, only call it once).
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* This is similar to setting a private member in a class constructor.
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*
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* If the value should ever change based on dependencies, use `React.useMemo` instead.
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*
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* @param initialValue - Initial value, or function to get the initial value. Similar to `useState`,
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* only the value/function passed in the first time this is called is respected.
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* @returns The value. The identity of this value will always be the same.
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*/
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export declare function useConst<T>(initialValue: T | (() => T)): T;
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