JSFiddle - React, Tailwind, and code Playground

by igalst

HTML

<script src="https://unpkg.com/moment"></script>

JavaScript

function nextSaturdayOf(date) {
    const mDate = moment(date);
    return mDate.add([5, 4, 3, 2, 1, 7, 6][mDate.isoWeekday() - 1], 'd');
}

console.log('>>>', nextSaturdayOf('2019-12-21').format('YYYY-MM-DD'))