campfire/src/lib/time.js

26 lines
857 B
JavaScript

import Lang from '$lib/lang';
const lang = Lang('en_GB');
const denoms = [
{ unit: lang.string('time.second'), min: 0 },
{ unit: lang.string('time.minute'), min: 60 },
{ unit: lang.string('time.hour'), min: 60 },
{ unit: lang.string('time.day'), min: 24 },
{ unit: lang.string('time.week'), min: 7 },
{ unit: lang.string('time.year'), min: 52 },
];
export function shorthand(date) {
let value = (new Date() - date) / 1000;
let unit = 's';
let index = 0;
while (index < denoms.length - 1) {
if (value < denoms[index + 1].min) break;
index++
value /= denoms[index].min;
unit = denoms[index].unit;
}
if (value > 0)
return lang.string('time.ago').replaceAll('%1', Math.floor(value) + unit);
return lang.string('time.in').replaceAll('%1', Math.floor(value) + unit);
}