uptime-kuma/server/modules/dayjs/plugin/timezone.js

/**
 * Copy from node_modules/dayjs/plugin/timezone.js
 * Try to fix https://github.com/louislam/uptime-kuma/issues/2318
 * Source: https://github.com/iamkun/dayjs/tree/dev/src/plugin/utc
 * License: MIT
 */
!(function (t, e) {
    // eslint-disable-next-line no-undef
    typeof exports == "object" && typeof module != "undefined"
        ? (module.exports = e())
        : typeof define == "function" && define.amd
          ? define(e)
          : ((t = typeof globalThis != "undefined" ? globalThis : t || self).dayjs_plugin_timezone = e());
})(this, function () {
    "use strict";
    let t = {
        year: 0,
        month: 1,
        day: 2,
        hour: 3,
        minute: 4,
        second: 5,
    };
    let e = {};
    return function (n, i, o) {
        let r;
        let a = function (t, n, i) {
            void 0 === i && (i = {});
            let o = new Date(t);
            let r = (function (t, n) {
                void 0 === n && (n = {});
                let i = n.timeZoneName || "short";
                let o = t + "|" + i;
                let r = e[o];
                return (
                    r ||
                        ((r = new Intl.DateTimeFormat("en-US", {
                            hour12: !1,
                            timeZone: t,
                            year: "numeric",
                            month: "2-digit",
                            day: "2-digit",
                            hour: "2-digit",
                            minute: "2-digit",
                            second: "2-digit",
                            timeZoneName: i,
                        })),
                        (e[o] = r)),
                    r
                );
            })(n, i);
            return r.formatToParts(o);
        };
        let u = function (e, n) {
            let i = a(e, n);
            let r = [];
            let u = 0;
            for (; u < i.length; u += 1) {
                let f = i[u];
                let s = f.type;
                let m = f.value;
                let c = t[s];
                c >= 0 && (r[c] = parseInt(m, 10));
            }
            let d = r[3];
            let l = d === 24 ? 0 : d;
            let v = r[0] + "-" + r[1] + "-" + r[2] + " " + l + ":" + r[4] + ":" + r[5] + ":000";
            let h = +e;
            return (o.utc(v).valueOf() - (h -= h % 1e3)) / 6e4;
        };
        let f = i.prototype;
        ((f.tz = function (t, e) {
            void 0 === t && (t = r);
            let n = this.utcOffset();
            let i = this.toDate();
            let a = i.toLocaleString("en-US", { timeZone: t }).replace("\u202f", " ");
            let u = Math.round((i - new Date(a)) / 1e3 / 60);
            let f = o(a)
                .$set("millisecond", this.$ms)
                .utcOffset(15 * -Math.round(i.getTimezoneOffset() / 15) - u, !0);
            if (e) {
                let s = f.utcOffset();
                f = f.add(n - s, "minute");
            }
            return ((f.$x.$timezone = t), f);
        }),
            (f.offsetName = function (t) {
                let e = this.$x.$timezone || o.tz.guess();
                let n = a(this.valueOf(), e, { timeZoneName: t }).find(function (t) {
                    return t.type.toLowerCase() === "timezonename";
                });
                return n && n.value;
            }));
        let s = f.startOf;
        ((f.startOf = function (t, e) {
            if (!this.$x || !this.$x.$timezone) {
                return s.call(this, t, e);
            }
            let n = o(this.format("YYYY-MM-DD HH:mm:ss:SSS"));
            return s.call(n, t, e).tz(this.$x.$timezone, !0);
        }),
            (o.tz = function (t, e, n) {
                let i = n && e;
                let a = n || e || r;
                let f = u(+o(), a);
                if (typeof t != "string") {
                    return o(t).tz(a);
                }
                let s = (function (t, e, n) {
                    let i = t - 60 * e * 1e3;
                    let o = u(i, n);
                    if (e === o) {
                        return [i, e];
                    }
                    let r = u((i -= 60 * (o - e) * 1e3), n);
                    return o === r ? [i, o] : [t - 60 * Math.min(o, r) * 1e3, Math.max(o, r)];
                })(o.utc(t, i).valueOf(), f, a);
                let m = s[0];
                let c = s[1];
                let d = o(m).utcOffset(c);
                return ((d.$x.$timezone = a), d);
            }),
            (o.tz.guess = function () {
                return Intl.DateTimeFormat().resolvedOptions().timeZone;
            }),
            (o.tz.setDefault = function (t) {
                r = t;
            }));
    };
});