firstOrThrow

function Array.firstOrThrow<T>(
    target: readonly T[],
): Exclude<T, null | undefined>

Returns the first element of array, or throws an error if the array is empty.

Example

data-first

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

Array.firstOrThrow([1, 2, 3, 4]); // 1

data-last

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

pipe([1, 2, 3, 4], Array.firstOrThrow()); // 1