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/*
* @copyright (c) 2016, Philipp Thürwächter & Pattrick Hüper
* @license BSD-3-Clause (see LICENSE in the root directory of this source tree)
*/
import { IllegalArgumentException } from './errors';
import { LocalDate } from './LocalDate';
import { LocalDateTime } from './LocalDateTime';
import { ZonedDateTime } from './ZonedDateTime';
import { ZoneId } from './ZoneId';
import { Instant } from './Instant';
class ToNativeJsConverter {
/**
* @param {!(LocalDate|LocalDateTime|ZonedDateTime|Instant)} temporal - a joda temporal instance
* @param {ZoneId} [zone] - the zone of the temporal,
* the default value for LocalDate and LocalDateTime is ZoneId.systemDefault().
*/
constructor(temporal, zone){
let zonedDateTime;
if(temporal instanceof Instant) {
this.instant = temporal;
return;
} else if(temporal instanceof LocalDate) {
zone = zone == null ? ZoneId.systemDefault() : zone;
zonedDateTime = temporal.atStartOfDay(zone);
} else if (temporal instanceof LocalDateTime) {
zone = zone == null ? ZoneId.systemDefault() : zone;
zonedDateTime = temporal.atZone(zone);
} else if (temporal instanceof ZonedDateTime) {
if (zone == null) {
zonedDateTime = temporal;
} else {
zonedDateTime = temporal.withZoneSameInstant(zone);
}
} else {
throw new IllegalArgumentException(`unsupported instance for convert operation:${temporal}`);
}
this.instant = zonedDateTime.toInstant();
}
/**
*
* @returns {Date}
*/
toDate() {
return new Date(this.instant.toEpochMilli());
}
/**
*
* @returns {number}
*/
toEpochMilli() {
return this.instant.toEpochMilli();
}
}
/**
* converts a LocalDate, LocalDateTime or ZonedDateTime to a native Javascript Date.
*
* In a first step the temporal is converted to an Instant by adding implicit values.
*
* A LocalDate is implicit set to a LocalDateTime at start of day.
* A LocalDateTime is implicit set to a ZonedDateTime with
* the passed zone or if null, with the system default time zone.
* A ZonedDateTime is converted to an Instant, if a zone is specified the zonedDateTime is adjusted to this
* zone, keeping the same Instant.
*
* In a second step the instant is converted to a native Javascript Date
*
* default zone for LocalDate and LocalDateTime is ZoneId.systemDefault().
*
* @example
* convert(localDate).toDate() // returns a javascript Date
* convert(localDate).toEpochMilli() // returns the epochMillis
*
* @param {!(LocalDate|LocalDateTime|ZonedDateTime)} temporal - a joda temporal instance
* @param {ZoneId} [zone] - the zone of the temporal
* @returns {ToNativeJsConverter}
*/
export function convert(temporal, zone){
return new ToNativeJsConverter(temporal, zone);
}