Smart date (SQL)

smartDate.js

const toSmartDate = (date) =>
{
    const year = date.getFullYear() * 10000;
    const month = (date.getMonth()+1) * 100;
    const day = date.getDate();
    return year + month + day;
}

const fromSmartDate = (smartDate) =>
{
    const date = new Date();
    smartDate = smartDate.toString();
    const year = parseInt(smartDate.substring(0, 4));
    const month = parseInt(smartDate.substring(4, 6))-1;
    const day = parseInt(smartDate.substring(6, 8));
    date.setFullYear(year, month, day);
    date.setHours(0, 0, 0, 0);
    return date;
}