web/_javascript/utils/timeago.js
2021-08-01 21:49:44 +08:00

73 lines
1.8 KiB
JavaScript

/*
* Calculate the Timeago
*/
$(function() {
const timeagoElem = $(".timeago");
let toRefresh = timeagoElem.length;
let intervalId = void 0;
const dPrompt = $("meta[name=day-prompt]").attr("content");
const hrPrompt = $("meta[name=hour-prompt]").attr("content");
const minPrompt = $("meta[name=minute-prompt]").attr("content");
const justnowPrompt = $("meta[name=justnow-prompt]").attr("content");
function timeago(isoDate, dateStr) {
let now = new Date();
let past = new Date(isoDate);
if (past.getFullYear() !== now.getFullYear()
|| past.getMonth() !== now.getMonth()) {
return dateStr;
}
let seconds = Math.floor((now - past) / 1000);
let day = Math.floor(seconds / 86400);
if (day >= 1) {
toRefresh -= 1;
return ` ${day} ${dPrompt}`;
}
let hour = Math.floor(seconds / 3600);
if (hour >= 1) {
return ` ${hour} ${hrPrompt}`;
}
let minute = Math.floor(seconds / 60);
if (minute >= 1) {
return ` ${minute} ${minPrompt}`;
}
return justnowPrompt;
}
function updateTimeago() {
$(".timeago").each(function() {
if ($(this).children("i").length > 0) {
let dateStr = $(this).clone().children().remove().end().text();
let node = $(this).children("i");
let iosDate = node.text(); /* ISO Date: "YYYY-MM-DDTHH:MM:SSZ" */
$(this).text(timeago(iosDate, dateStr));
$(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 */
}
});