@extra-array/cycle/index.mjs

Gives values that cycle through array.

function index(x, i = 0) {
    return i < 0 ? Math.max(x.length + i, 0) : Math.min(i, x.length);
}
function concat$(x, ...ys) {
    for (var y of ys)
        x.push(...y);
    return x;
}
function cycle(x, i = 0, n = x.length) {
    var X = x.length;
    if (n <= 0 || X === 0)
        return [];
    var i = index(x, i);
    var a = x.slice(i, i + n);
    n -= a.length;
    for (var m = 0, M = Math.floor(n / X); m < M; m++)
        concat$(a, x);
    return concat$(a, x.slice(0, n % X));
}
export { cycle as default };