module.exports = function(time){ let timeInSeconds = parseInt(time.slice(0, time.length - 1)) let letter = time.slice(time.length - 1) if(!isNaN(letter)) return parseInt(time) * 60; switch (letter.toUpperCase()) { case "H": timeInSeconds = timeInSeconds * 3600; // 3 600 000 break; case "M": timeInSeconds = timeInSeconds * 60; // 60 000 break; case "S": timeInSeconds = timeInSeconds; // 1 000 break; default: timeInSeconds = -1; } return timeInSeconds; }