Fix #2318
Louis Lam
2 years ago
parent
9dc2cc1f0d
commit
765d8e1297
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export var SECONDS_A_MINUTE = 60;
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export var SECONDS_A_HOUR = SECONDS_A_MINUTE * 60;
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export var SECONDS_A_DAY = SECONDS_A_HOUR * 24;
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export var SECONDS_A_WEEK = SECONDS_A_DAY * 7;
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export var MILLISECONDS_A_SECOND = 1e3;
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export var MILLISECONDS_A_MINUTE = SECONDS_A_MINUTE * MILLISECONDS_A_SECOND;
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export var MILLISECONDS_A_HOUR = SECONDS_A_HOUR * MILLISECONDS_A_SECOND;
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export var MILLISECONDS_A_DAY = SECONDS_A_DAY * MILLISECONDS_A_SECOND;
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export var MILLISECONDS_A_WEEK = SECONDS_A_WEEK * MILLISECONDS_A_SECOND; // English locales
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export var MS = 'millisecond';
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export var S = 'second';
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export var MIN = 'minute';
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export var H = 'hour';
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export var D = 'day';
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export var W = 'week';
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export var M = 'month';
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export var Q = 'quarter';
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export var Y = 'year';
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export var DATE = 'date';
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export var FORMAT_DEFAULT = 'YYYY-MM-DDTHH:mm:ssZ';
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export var INVALID_DATE_STRING = 'Invalid Date'; // regex
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export var REGEX_PARSE = /^(\d{4})[-/]?(\d{1,2})?[-/]?(\d{0,2})[Tt\s]*(\d{1,2})?:?(\d{1,2})?:?(\d{1,2})?[.:]?(\d+)?$/;
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export var REGEX_FORMAT = /\[([^\]]+)]|Y{1,4}|M{1,4}|D{1,2}|d{1,4}|H{1,2}|h{1,2}|a|A|m{1,2}|s{1,2}|Z{1,2}|SSS/g;
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@ -0,0 +1,20 @@
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import { PluginFunc, ConfigType } from 'dayjs/esm'
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declare const plugin: PluginFunc
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export = plugin
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declare module 'dayjs/esm' {
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interface Dayjs {
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tz(timezone?: string, keepLocalTime?: boolean): Dayjs
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offsetName(type?: 'short' | 'long'): string | undefined
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}
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interface DayjsTimezone {
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(date: ConfigType, timezone?: string): Dayjs
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(date: ConfigType, format: string, timezone?: string): Dayjs
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guess(): string
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setDefault(timezone?: string): void
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}
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const tz: DayjsTimezone
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}
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@ -0,0 +1,188 @@
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/**
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* Copy from node_modules/dayjs/plugin/timezone.js
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* Try to fix https://github.com/louislam/uptime-kuma/issues/2318
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* Source: https://github.com/iamkun/dayjs/tree/dev/src/plugin/utc
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* License: MIT
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*/
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import { MIN, MS } from "../../constant";
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let typeToPos = {
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year: 0,
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month: 1,
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day: 2,
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hour: 3,
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minute: 4,
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second: 5
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}; // Cache time-zone lookups from Intl.DateTimeFormat,
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// as it is a *very* slow method.
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let dtfCache = {};
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let getDateTimeFormat = function getDateTimeFormat(timezone, options) {
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if (options === void 0) {
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options = {};
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}
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let timeZoneName = options.timeZoneName || "short";
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let key = timezone + "|" + timeZoneName;
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let dtf = dtfCache[key];
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if (!dtf) {
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dtf = new Intl.DateTimeFormat("en-US", {
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hour12: false,
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timeZone: timezone,
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year: "numeric",
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month: "2-digit",
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day: "2-digit",
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hour: "2-digit",
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minute: "2-digit",
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second: "2-digit",
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timeZoneName: timeZoneName
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});
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dtfCache[key] = dtf;
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}
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return dtf;
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};
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export default (function (o, c, d) {
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let defaultTimezone;
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let makeFormatParts = function makeFormatParts(timestamp, timezone, options) {
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if (options === void 0) {
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options = {};
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}
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let date = new Date(timestamp);
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let dtf = getDateTimeFormat(timezone, options);
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return dtf.formatToParts(date);
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};
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let tzOffset = function tzOffset(timestamp, timezone) {
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let formatResult = makeFormatParts(timestamp, timezone);
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let filled = [];
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for (let i = 0; i < formatResult.length; i += 1) {
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let _formatResult$i = formatResult[i];
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let type = _formatResult$i.type;
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let value = _formatResult$i.value;
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let pos = typeToPos[type];
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if (pos >= 0) {
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filled[pos] = parseInt(value, 10);
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}
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}
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let hour = filled[3]; // Workaround for the same behavior in different node version
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// https://github.com/nodejs/node/issues/33027
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/* istanbul ignore next */
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let fixedHour = hour === 24 ? 0 : hour;
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let utcString = filled[0] + "-" + filled[1] + "-" + filled[2] + " " + fixedHour + ":" + filled[4] + ":" + filled[5] + ":000";
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let utcTs = d.utc(utcString).valueOf();
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let asTS = +timestamp;
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let over = asTS % 1000;
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asTS -= over;
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return (utcTs - asTS) / (60 * 1000);
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}; // find the right offset a given local time. The o input is our guess, which determines which
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// offset we'll pick in ambiguous cases (e.g. there are two 3 AMs b/c Fallback DST)
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// https://github.com/moment/luxon/blob/master/src/datetime.js#L76
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let fixOffset = function fixOffset(localTS, o0, tz) {
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// Our UTC time is just a guess because our offset is just a guess
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let utcGuess = localTS - o0 * 60 * 1000; // Test whether the zone matches the offset for this ts
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let o2 = tzOffset(utcGuess, tz); // If so, offset didn't change and we're done
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if (o0 === o2) {
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return [ utcGuess, o0 ];
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} // If not, change the ts by the difference in the offset
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utcGuess -= (o2 - o0) * 60 * 1000; // If that gives us the local time we want, we're done
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let o3 = tzOffset(utcGuess, tz);
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if (o2 === o3) {
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return [ utcGuess, o2 ];
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} // If it's different, we're in a hole time.
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// The offset has changed, but the we don't adjust the time
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return [ localTS - Math.min(o2, o3) * 60 * 1000, Math.max(o2, o3) ];
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};
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let proto = c.prototype;
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proto.tz = function (timezone, keepLocalTime) {
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if (timezone === void 0) {
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timezone = defaultTimezone;
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}
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let oldOffset = this.utcOffset();
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let date = this.toDate();
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let target = date.toLocaleString("en-US", {
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timeZone: timezone
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}).replace("\u202f", " ");
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let diff = Math.round((date - new Date(target)) / 1000 / 60);
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let ins = d(target).$set(MS, this.$ms).utcOffset(-Math.round(date.getTimezoneOffset() / 15) * 15 - diff, true);
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if (keepLocalTime) {
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let newOffset = ins.utcOffset();
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ins = ins.add(oldOffset - newOffset, MIN);
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}
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ins.$x.$timezone = timezone;
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return ins;
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};
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proto.offsetName = function (type) {
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// type: short(default) / long
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let zone = this.$x.$timezone || d.tz.guess();
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let result = makeFormatParts(this.valueOf(), zone, {
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timeZoneName: type
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}).find(function (m) {
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return m.type.toLowerCase() === "timezonename";
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});
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return result && result.value;
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};
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let oldStartOf = proto.startOf;
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proto.startOf = function (units, startOf) {
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if (!this.$x || !this.$x.$timezone) {
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return oldStartOf.call(this, units, startOf);
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}
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let withoutTz = d(this.format("YYYY-MM-DD HH:mm:ss:SSS"));
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let startOfWithoutTz = oldStartOf.call(withoutTz, units, startOf);
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return startOfWithoutTz.tz(this.$x.$timezone, true);
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};
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d.tz = function (input, arg1, arg2) {
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let parseFormat = arg2 && arg1;
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let timezone = arg2 || arg1 || defaultTimezone;
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let previousOffset = tzOffset(+d(), timezone);
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if (typeof input !== "string") {
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// timestamp number || js Date || Day.js
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return d(input).tz(timezone);
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}
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let localTs = d.utc(input, parseFormat).valueOf();
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let _fixOffset = fixOffset(localTs, previousOffset, timezone);
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let targetTs = _fixOffset[0];
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let targetOffset = _fixOffset[1];
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let ins = d(targetTs).utcOffset(targetOffset);
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ins.$x.$timezone = timezone;
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return ins;
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};
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d.tz.guess = function () {
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return Intl.DateTimeFormat().resolvedOptions().timeZone;
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};
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d.tz.setDefault = function (timezone) {
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defaultTimezone = timezone;
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};
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});
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