convert_HMS_Timestamp.js

// Input a number and it will format like so, trimming where neccesary
// HH:MM:SS
// 1:12
// 12:42
// 1:34:15
// 10:00:01
// etc

function convertHMS(time) {
    let hours = Math.floor(time / 3600);
    time %= 3600;
    let minutes = Math.floor(time / 60);
    let seconds = Math.floor(time % 60);
    
    let final = hours.toString().padStart(2, '0') + ':' + 
    minutes.toString().padStart(2, '0') + ':' + 
    seconds.toString().padStart(2, '0');
    
    (final.startsWith('00:0')) ? final = final.slice(4) : 
    (final.startsWith('00:')) ? final = final.slice(3) : 
    (final.startsWith('0')) ? final = final.slice(1) : null;
    
    return final
}