@carbon/ibm-products
Version:
Carbon for IBM Products
55 lines (52 loc) • 2.09 kB
JavaScript
/**
* Copyright IBM Corp. 2020, 2025
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
const timeAgo = _ref => {
let {
previousTime,
secondsAgoText,
minuteAgoText,
minutesAgoText,
hoursAgoText,
hourAgoText,
daysAgoText,
yesterdayAtText,
monthsAgoText,
monthAgoText,
yearsAgoText,
yearAgoText,
nowText
} = _ref;
const msPerMinute = 60 * 1000;
const msPerHour = msPerMinute * 60;
const msPerDay = msPerHour * 24;
const msPerMonth = msPerDay * 30;
const msPerYear = msPerDay * 365;
const elapsed = new Date() - previousTime;
switch (true) {
case elapsed < msPerMinute:
return Math.round(elapsed / 1000) > 10 ? secondsAgoText(Math.round(elapsed / 1000)) : nowText;
case elapsed < msPerHour:
return Math.round(elapsed / msPerMinute) > 1 ? minutesAgoText(Math.round(elapsed / msPerMinute)) : minuteAgoText(Math.round(elapsed / msPerMinute));
case elapsed < msPerDay:
return Math.round(elapsed / msPerHour) > 1 ? hoursAgoText(Math.round(elapsed / msPerHour)) : hourAgoText(Math.round(elapsed / msPerHour));
case elapsed < msPerMonth:
return Math.round(elapsed / msPerDay) > 1 ? daysAgoText(Math.round(elapsed / msPerDay)) : yesterdayAtText(new Date(previousTime).toLocaleTimeString(getBrowserLocales[0]));
case elapsed < msPerYear:
return Math.round(elapsed / msPerMonth) > 1 ? monthsAgoText(Math.round(elapsed / msPerMonth)) : monthAgoText(Math.round(elapsed / msPerMonth));
default:
return Math.round(elapsed / msPerYear) > 1 ? yearsAgoText(Math.round(elapsed / msPerYear)) : yearAgoText(Math.round(elapsed / msPerYear));
}
};
const getBrowserLocales = () => {
const browserLocales = navigator.languages === undefined ? [navigator.language, 'en'] // add fallback 'en' if we can't get locale value from browser
: navigator.languages;
return browserLocales.map(locale => {
const trimmedLocale = locale.trim();
return trimmedLocale;
});
};
export { timeAgo };