find-notif-date-part-10.js

function findNotifDate(date_notified = "2021-11-05 15:00:00") {
    /**
    * @ findNotifDate : Finds the Date Difference of a Notification
    * @ date_notified : The notification date
    **/
    const date_sent_tmp = new Date(date_notified);

    //Check for timestamps
    if(date_notified.indexOf('-') != -1){
         var date_sent = date_sent_tmp.getTime();
    }else{
         var date_sent = date_notified;
    }

    const date_now = new Date();
    //current timestamp
    var today = date_now.getTime(); 

    //Subtract the timestamps
    var calc = new Date(today - date_sent);

    //Prevent Extra 1 Hour
    calc.setHours( calc.getUTCHours() +0);

    //Make our result readable
    var calcDate = calc.getDate()+'-'+(calc.getMonth()+1)+'-'+calc.getFullYear(); //25-12-2021
    var calcTime = calc.getHours()+':'+calc.getMinutes()+':'+calc.getSeconds(); //15:00:00

    //Get How many days, months and years that has passed
    var date_passed = calcDate.split("-");
    var time_passed = calcTime.split(":");

    if(!(date_passed.includes('1-1-1970'))) {

        var days_passed = ((parseInt(date_passed[0]) - 1) != 0 ) ? 
        parseInt(date_passed[0]) - 1 : null;
        var months_passed = ((parseInt(date_passed[1]) - 1) != 0 )? 
        parseInt(date_passed[1]) - 1 : null;
        var years_passed =  ((parseInt(date_passed[2]) - 1970) != 0) ?
        parseInt(date_passed[2]) - 1970 : null;

    }else{
        var days_passed = null;
        var months_passed = null;
        var years_passed =  null;
    }
    var hours_passed = parseInt(time_passed[0]);
    var mins_passed = parseInt(time_passed[1]);
    var secs_passed = parseInt(time_passed[2]); 
}