Turn an input string into an array of ints

deconstructNumber.js

function deconstructNumber(deconstructee) {
    let numberAsArray = [];
    let divisor = 10;
    let index = 0;
    let sign = "";
    if (deconstructee.includes("-")) {
        deconstructee = deconstructee.substring(1);
        sign = "-";
    }
    if (deconstructee === "0") {
        return [0];
    }
    while (deconstructee / divisor >= 0.1) {
        let trimGreaterPositions = deconstructee - Math.floor(deconstructee / divisor) * divisor;
        let nextDigit = Math.floor(trimGreaterPositions / (divisor / 10));
        divisor *= 10;
        numberAsArray[index++] = nextDigit;
    }
    if (sign === "-") {
        numberAsArray[numberAsArray.length] = sign;
    }
    console.log(numberAsArray);
    return numberAsArray;
}