44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
const MszSakuya = (function() {
|
|
const formatter = new Intl.RelativeTimeFormat(undefined, { numeric: 'auto' });
|
|
const divisions = [
|
|
{ amount: 60, name: 'seconds' },
|
|
{ amount: 60, name: 'minutes' },
|
|
{ amount: 24, name: 'hours' },
|
|
{ amount: 7, name: 'days' },
|
|
{ amount: 4.34524, name: 'weeks' },
|
|
{ amount: 12, name: 'months' },
|
|
{ amount: Infinity, name: 'years' },
|
|
];
|
|
|
|
const formatTimeAgo = function(date) {
|
|
let duration = (date - new Date()) / 1000;
|
|
|
|
for(const div of divisions) {
|
|
if(Math.abs(duration) < div.amount)
|
|
return formatter.format(Math.round(duration), div.name);
|
|
duration /= div.amount;
|
|
}
|
|
};
|
|
|
|
// todo: update at intervals
|
|
const trackElement = function(elem) {
|
|
if(elem.dateTime === undefined)
|
|
return;
|
|
|
|
try {
|
|
const dateTime = new Date(elem.dateTime);
|
|
elem.textContent = formatTimeAgo(dateTime);
|
|
} catch {}
|
|
};
|
|
|
|
const trackElements = function(elems) {
|
|
for(const elem of elems)
|
|
trackElement(elem);
|
|
};
|
|
|
|
return {
|
|
formatTimeAgo: formatTimeAgo,
|
|
trackElement: trackElement,
|
|
trackElements: trackElements,
|
|
};
|
|
})();
|