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Checking whether an object implements the TimeZone protocol is now done by means of HasProperty operations for each of the required methods unless the object already has the TimeZone brand. Discussion: https://github.com/tc39/proposal-temporal/issues/2104#issuecomment-1409549753 Corresponding normative PR: https://github.com/tc39/proposal-temporal/pull/2485
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
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.plaintimeiso
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description: PlainDateTime.toPlainTime is not observably called
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includes: [compareArray.js, temporalHelpers.js]
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features: [Temporal]
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---*/
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const actual = [];
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const expected = [
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"has timeZone.getOffsetNanosecondsFor",
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"has timeZone.getPossibleInstantsFor",
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"has timeZone.id",
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"get timeZone.getOffsetNanosecondsFor",
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"call timeZone.getOffsetNanosecondsFor",
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];
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Object.defineProperty(Temporal.PlainDateTime.prototype, "toPlainTime", {
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get() {
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actual.push("get Temporal.PlainDateTime.prototype.toPlainTime");
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return function() {
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actual.push("call Temporal.PlainDateTime.prototype.toPlainTime");
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};
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},
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});
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const timeZone = TemporalHelpers.timeZoneObserver(actual, "timeZone", {
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getOffsetNanosecondsFor(instant) {
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assert.sameValue(instant instanceof Temporal.Instant, true, "Instant");
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return -Number(instant.epochNanoseconds % 86400_000_000_000n);
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},
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});
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const result = Temporal.Now.plainTimeISO(timeZone);
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assert.sameValue(result instanceof Temporal.PlainTime, true);
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for (const property of ["hour", "minute", "second", "millisecond", "microsecond", "nanosecond"]) {
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assert.sameValue(result[property], 0, property);
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}
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assert.compareArray(actual, expected);
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