rc-js-util
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A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.
10 lines • 433 B
TypeScript
/**
* @public
* Replaces length 0 `ArrayLike` with `undefined`.
* @returns `array` if it's an `ArrayLike` of length greater than 0, otherwise `undefined`.
*
* @remarks
* See {@link arrayNormalizeEmptyToUndefined}.
*/
export declare function arrayNormalizeEmptyToUndefined<TArray extends ArrayLike<unknown>>(array: TArray | null | undefined): TArray | undefined;
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