Function take

take<const Ar extends readonly unknown[], N extends ArgArr>(
    array: Ar,
    num: N,
): N extends | 0
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    ? Take<N<N>, Ar>
    : N extends ArgArrPositive
        ? Ar extends readonly [unknown, unknown]
            ? readonly [Ar<Ar>[number], Ar<Ar>[number]]
            : readonly Ar[number][]
        : readonly Ar[number][]

const values = [1, 2, 3, 4];

const firstTwo = Arr.take(values, 2);
const firstThree = Arr.take(3)(values);

assert.deepStrictEqual(firstTwo, [1, 2]);
assert.deepStrictEqual(firstThree, [1, 2, 3]);
Copy

take<N extends ArgArr>(
    num: N,
): <const Ar extends readonly unknown[]>(
    array: Ar,
) => N extends | 0
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    ? Take<N<N>, Ar>
    : N extends ArgArrPositive
        ? Ar extends readonly [unknown, unknown]
            ? readonly [Ar<Ar>[number], Ar<Ar>[number]]
            : readonly Ar[number][]
        : readonly Ar[number][]

const values = [1, 2, 3, 4];

const firstTwo = Arr.take(values, 2);
const firstThree = Arr.take(3)(values);

assert.deepStrictEqual(firstTwo, [1, 2]);
assert.deepStrictEqual(firstThree, [1, 2, 3]);
Copy