import { Dimensions } from "react-native"; export default function Util() {} Util.isPortrait = () => { const dim = Dimensions.get("screen"); return dim.height >= dim.width; }; /** * Return a timer for video from< time in seconds * ~~ is used as faster substitute for Math.floor() function * https://stackoverflow.com/questions/5971645/what-is-the-double-tilde-operator-in-javascript * @param time * @returns {string} */ Util.secondToTime = (time) => { return ~~(time / 60) + ":" + (time % 60 < 10 ? "0" : "") + time % 60; }; Util.normalizeSeconds = (number) => { let sec_num = parseInt(number, 10); // don't forget the second param let hours = Math.floor(sec_num / 3600); let minutes = Math.floor((sec_num - (hours * 3600)) / 60); let seconds = sec_num - (hours * 3600) - (minutes * 60); if (hours < 10) {hours = "0"+hours;} if (minutes < 10) {minutes = "0"+minutes;} if (seconds < 10) {seconds = "0"+seconds;} return hours+':'+minutes+':'+seconds; };