timestamp.js

timestamp.js

const formatDate = (date = '', useAMPM = true) => {
  
    date = ((date === '') || (date === null)) ? date = new Date() : date;

    // build time
    let hours = date.getHours();
    let minutes = date.getMinutes();
    let seconds = date.getSeconds();
    let ampm = '';

    hours = hours ? hours : 12; // the hour '0' should be '12'
    minutes = minutes < 10 ? '0' + minutes : minutes;
    seconds = seconds < 10 ? '0' + seconds : seconds;


    if (useAMPM) {
        ampm = hours >= 12 ? 'PM' : 'AM';
        hours = hours % 12;
        hours = hours < 10 ? '0' + hours : hours;
    }

    let strTime = `${hours}:${minutes}:${seconds} ${ampm}`;

    // build date
    let month = date.getMonth() + 1;
    month = month < 10 ? '0' + month : month;
    let day = date.getDate();
    day = day < 10 ? '0' + day : day;

    let strDate = `${date.getFullYear()}-${month}-${day}`;
    return `${strDate} ${strTime}`;
};