chronoshift/build/timezone/timezone.js

A tiny library for shifting time with timezones

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Timezone = void 0;
const date_1 = require("@internationalized/date");
class Timezone {
    static formatDateWithTimezone(d, timezone) {
        let str;
        if (timezone && !timezone.isUTC()) {
            str = (0, date_1.fromDate)(d, timezone.toString()).toString().replace(/\[.+$/, '');
        }
        else {
            str = d.toISOString();
        }
        return str.replace('.000', '');
    }
    static fromJS(spec) {
        return new Timezone(spec);
    }
    constructor(timezone) {
        if (typeof timezone !== 'string') {
            throw new TypeError('timezone description must be a string');
        }
        if (timezone !== 'Etc/UTC') {
            try {
                (0, date_1.fromDate)(new Date(), timezone);
            }
            catch (_a) {
                throw new Error(`timezone '${timezone}' does not exist`);
            }
        }
        this.timezone = timezone;
    }
    valueOf() {
        return this.timezone;
    }
    toJS() {
        return this.timezone;
    }
    toJSON() {
        return this.timezone;
    }
    toString() {
        return this.timezone;
    }
    equals(other) {
        return other instanceof Timezone && this.timezone === other.timezone;
    }
    isUTC() {
        return this.timezone === 'Etc/UTC';
    }
    toUtcOffsetString() {
        const utcOffset = (0, date_1.fromDate)(new Date(), this.toString()).offset;
        const hours = String(Math.abs(Math.floor(utcOffset / 60))).padStart(2, '0');
        const minutes = String(Math.abs(utcOffset % 60)).padStart(2, '0');
        return `UTC ${utcOffset >= 0 ? '+' : '-'}${hours}:${minutes}`;
    }
}
exports.Timezone = Timezone;
Timezone.UTC = new Timezone('Etc/UTC');