frontend/script/time.ts

export function formatDuration(input: number): string {
    if (!input) {
        return '0:00';
    }
    const hours = Math.floor(input / 3600);
    const minutes = Math.floor((input - (hours * 3600)) / 60);
    const seconds = Math.floor(input - (hours * 3600) - (minutes * 60));

    const hourString = (hours < 10) ? "0" + hours : "" + hours;
    const minuteString = (minutes < 10) ? "0" + minutes : "" + minutes;
    const secondString = (seconds < 10) ? "0" + seconds : "" + seconds;

    if (hourString !== '00') {
        return hourString + ':' + minuteString + ':' + secondString;
    } else {
        return minuteString + ':' + secondString;
    }
}