export function grammaticalListString(items, max) {
    if (!items) return null;
    if (max < 1) return "";
    let built = "";

    let index = 0;
    items.forEach(item => {
        if (index > max) {
            built += "and " + items.length + " more ";
            return;
        }
        built += item;
        built += ", ";
        if (index == max - 1) {
            built += "and ";
        }

        index += 1;
    });

    return built;
}