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Previously, "nested" calendar property bags were unwrapped up to one level. That is, this object: { calendar: { // ...Temporal.Calendar methods } } would not be considered to implement the Calendar protocol, but would have its calendar property used instead, if it were passed to an API that required a Calendar 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
20 lines
578 B
JavaScript
20 lines
578 B
JavaScript
// Copyright (C) 2022 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.plaindate.from
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description: Leap second is a valid ISO string for a calendar in a property bag
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includes: [temporalHelpers.js]
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features: [Temporal]
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---*/
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const calendar = "2016-12-31T23:59:60";
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const arg = { year: 1976, monthCode: "M11", day: 18, calendar };
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const result = Temporal.PlainDate.from(arg);
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TemporalHelpers.assertPlainDate(
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result,
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1976, 11, "M11", 18,
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"leap second is a valid ISO string for calendar"
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);
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