uptime-kuma/src/util-frontend.js

51 lines
1.2 KiB
JavaScript

import dayjs from "dayjs";
import timezone from "dayjs/plugin/timezone";
import utc from "dayjs/plugin/utc";
import timezones from "timezones-list";
dayjs.extend(utc);
dayjs.extend(timezone);
function getTimezoneOffset(timeZone) {
const now = new Date();
const tzString = now.toLocaleString("en-US", {
timeZone,
});
const localString = now.toLocaleString("en-US");
const diff = (Date.parse(localString) - Date.parse(tzString)) / 3600000;
const offset = diff + now.getTimezoneOffset() / 60;
return -offset;
}
export function timezoneList() {
let result = [];
for (let timezone of timezones) {
try {
let display = dayjs().tz(timezone.tzCode).format("Z");
result.push({
name: `(UTC${display}) ${timezone.tzCode}`,
value: timezone.tzCode,
time: getTimezoneOffset(timezone.tzCode),
});
} catch (e) {
console.log("Skip Timezone: " + timezone.tzCode);
}
}
result.sort((a, b) => {
if (a.time > b.time) {
return 1;
}
if (b.time > a.time) {
return -1;
}
return 0;
});
return result;
}