Rocket.Chat/client/hooks/useFormatDuration.js

import { useCallback } from 'react';

import { useTranslation } from '../contexts/TranslationContext';

export const useFormatDuration = () => {
	const t = useTranslation();

	return useCallback((duration) => {
		const days = Math.floor(duration / 86400);
		const hours = Math.floor((duration % 86400) / 3600);
		const minutes = Math.floor(((duration % 86400) % 3600) / 60);
		const seconds = Math.floor(((duration % 86400) % 3600) % 60);
		let out = '';
		if (days > 0) {
			out += `${ days } ${ t('days') }, `;
		}
		if (hours > 0) {
			out += `${ hours } ${ t('hours') }, `;
		}
		if (minutes > 0) {
			out += `${ minutes } ${ t('minutes') }, `;
		}
		if (seconds > 0) {
			out += `${ seconds } ${ t('seconds') }`;
		}
		return out;
	}, [t]);
};