atOrElse

function Array.atOrElse<T, U>(
    target: readonly T[],
    offset: number,
    orElse: (target: readonly NoInfer<T>[]) => U,
): Exclude<T, null | undefined> | U

Returns the value at the specified offset. Calls fallback if the offset was out of range, or the retrieved value was nullable.

Example

data-first

import { Array } from "@monstermann/array";

Array.atOrElse([1, null], -1, (array) => array.length); // 2

data-last

import { Array } from "@monstermann/array";

pipe(
    [1, null],
    Array.atOrElse(-1, (array) => array.length),
); // 2