//debug lines
var yourUpdated = '2021-08-13T16:54:00Z'
let getFuzzyDate = function (dateTime) {
var past = new Date(dateTime).getTime()//ms since epoch
var now = new Date().getTime()//now
var differenceInSeconds = (now - past) / 1000//get seconds
var thresholds = [
{ threshold: 60 - 1, divideBy: 1, fuzzyUnit: 's' },
{ threshold: 60 * 60 - 1, divideBy: 60, fuzzyUnit: 'm' },
{ threshold: 24 * 60 * 60 - 1, divideBy: 60 * 60, fuzzyUnit: 'h' },
{ threshold: 30 * 24 * 60 * 60 - 1, divideBy: 24 * 60 * 60, fuzzyUnit: 'd' },
{ threshold: 365 * 24 * 60 * 60 - 1, divideBy: 30 * 24 * 60 * 60, fuzzyUnit: 'mo' },
{ threshold: 100 * 365 * 24 * 60 * 60, divideBy: 365 * 24 * 60 * 60, fuzzyUnit: 'y' }
];
var filtered = thresholds.filter((grouping) => {
return differenceInSeconds < grouping.threshold
});
return Math.round(differenceInSeconds / filtered[0].divideBy) + filtered[0].fuzzyUnit + ' ago'
}
console.log(getFuzzyDate(yourUpdated))
