shopping - problem 2 - mid exam

function solve2(input) {
    let newArray = input[0].split(", ");

    let command = newArray.shift();
    let biscuits = [];

    while (command !== "No More Money") {
        if(command === "OutOfStock") {
           console.log(`None`);
        } else if (command === "Required") {
            let index1 =
        } else if (command === "Last") {
            biscuits.push(index[1]);
        }
        command = newArray.shift();
    }
}

solve2((["Vanilla, Chocolate, Raspberry, Chocolate ",
"OutOfStock Chocolate",
"Required BBB 3",
"No More Money"]));