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24def913ec
Previously, "nested" time zone property bags were unwrapped up to one
level. That is, this object:
{
timeZone: {
// ...Temporal.TimeZone methods
}
}
would not be considered to implement the TimeZone protocol, but would have
its timeZone property used instead, if it were passed to an API that
required a TimeZone protocol object.
These nested property bags are no longer supported. Discussion:
https://github.com/tc39/proposal-temporal/issues/2104#issuecomment-1409549753
Corresponding normative PR:
https://github.com/tc39/proposal-temporal/pull/2485
32 lines
976 B
JavaScript
32 lines
976 B
JavaScript
// Copyright (C) 2020 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.now.zoneddatetime
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description: Observable interactions with the provided timezone-like object
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includes: [compareArray.js, temporalHelpers.js]
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features: [BigInt, Proxy, Temporal]
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---*/
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const actual = [];
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const timeZone = TemporalHelpers.timeZoneObserver(actual, "timeZone", {
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getOffsetNanosecondsFor(instant) {
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assert.sameValue(
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instant instanceof Temporal.Instant,
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true,
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'The result of evaluating (instant instanceof Temporal.Instant) is expected to be true'
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);
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return -Number(instant.epochNanoseconds % 86400000000000n);
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}
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});
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Object.defineProperty(Temporal.TimeZone, 'from', {
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get() {
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actual.push('get Temporal.TimeZone.from');
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return undefined;
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}
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});
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Temporal.Now.zonedDateTimeISO(timeZone);
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assert.compareArray(actual, [], 'no observable operations should be invoked');
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