23 lines
827 B
JavaScript
23 lines
827 B
JavaScript
|
const require_initial = require("../../array/initial.js");
|
||
|
|
const require_isArrayLike = require("../predicate/isArrayLike.js");
|
||
|
|
//#region src/compat/array/initial.ts
|
||
|
|
/**
|
||
|
|
* Returns a new array containing all elements except the last one from the input array.
|
||
|
|
* If the input array is empty or has only one element, the function returns an empty array.
|
||
|
|
*
|
||
|
|
* @template T The type of elements in the array.
|
||
|
|
* @param {ArrayLike<T> | null | undefined} arr - The input array.
|
||
|
|
* @returns {T[]} A new array containing all but the last element of the input array.
|
||
|
|
*
|
||
|
|
* @example
|
||
|
|
* const arr = [1, 2, 3, 4];
|
||
|
|
* const result = initial(arr);
|
||
|
|
* // result will be [1, 2, 3]
|
||
|
|
*/
|
||
|
|
function initial(arr) {
|
||
|
|
if (!require_isArrayLike.isArrayLike(arr)) return [];
|
||
|
|
return require_initial.initial(Array.from(arr));
|
||
|
|
}
|
||
|
|
//#endregion
|
||
|
|
exports.initial = initial;
|