17 lines
596 B
TypeScript
17 lines
596 B
TypeScript
/**
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* Returns a new array containing all elements except the last one from the input array.
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* If the input array is empty or has only one element, the function returns an empty array.
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*
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* @template T The type of elements in the array.
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* @param {ArrayLike<T> | null | undefined} arr - The input array.
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* @returns {T[]} A new array containing all but the last element of the input array.
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*
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* @example
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* const arr = [1, 2, 3, 4];
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* const result = initial(arr);
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* // result will be [1, 2, 3]
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*/
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declare function initial<T>(arr: ArrayLike<T> | null | undefined): T[];
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export { initial };
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