web/assets/js/_utils/timeago.js
2021-01-25 06:43:02 +08:00

85 lines
1.9 KiB
JavaScript

/*
* Calculate the Timeago
* v2.0
* https://github.com/cotes2020/jekyll-theme-chirpy
* © 2019 Cotes Chung
* MIT Licensed
*/
$(function() {
const timeagoElem = $(".timeago");
let toRefresh = timeagoElem.length;
let intervalId = void 0;
function timeago(iso, isLastmod) {
let now = new Date();
let past = new Date(iso);
if (past.getFullYear() !== now.getFullYear()) {
toRefresh -= 1;
return past.toLocaleString("en-US", {
year: "numeric",
month: "short",
day: "numeric"
});
}
if (past.getMonth() !== now.getMonth()) {
toRefresh -= 1;
return past.toLocaleString("en-US", {
month: "short",
day: "numeric"
});
}
let seconds = Math.floor((now - past) / 1000);
let day = Math.floor(seconds / 86400);
if (day >= 1) {
toRefresh -= 1;
return day + " day" + (day > 1 ? "s" : "") + " ago";
}
let hour = Math.floor(seconds / 3600);
if (hour >= 1) {
return hour + " hour" + (hour > 1 ? "s" : "") + " ago";
}
let minute = Math.floor(seconds / 60);
if (minute >= 1) {
return minute + " minute" + (minute > 1 ? "s" : "") + " ago";
}
return (isLastmod ? "just" : "Just") + " now";
}
function updateTimeago() {
$(".timeago").each(function() {
if ($(this).children("i").length > 0) {
$(this).text();
let isLastmod = $(this).hasClass("lastmod");
let node = $(this).children("i");
let date = node.text(); /* ISO Date: "YYYY-MM-DDTHH:MM:SSZ" */
$(this).text(timeago(date, isLastmod));
$(this).append(node);
}
});
if (toRefresh === 0 && typeof intervalId !== "undefined") {
clearInterval(intervalId); /* stop interval */
}
return toRefresh;
}
if (toRefresh === 0) {
return;
}
if (updateTimeago() > 0) { /* run immediately */
intervalId = setInterval(updateTimeago, 60000); /* run every minute */
}
});