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A normative change that reached consensus at the June 2022 TC39 meeting was this small change to throw on an invalid value for the overflow option in PlainDate.from() and PlainDateTime.from(), in the case of a fast-path conversion. See https://github.com/tc39/proposal-temporal/pull/2225
47 lines
1.9 KiB
JavaScript
47 lines
1.9 KiB
JavaScript
// Copyright (C) 2021 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.plaindatetime.from
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description: RangeError thrown when overflow option not one of the allowed string values
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info: |
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sec-getoption step 10:
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10. If _values_ is not *undefined* and _values_ does not contain an element equal to _value_, throw a *RangeError* exception.
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sec-temporal-totemporaloverflow step 1:
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1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*).
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sec-temporal-interprettemporaldatetimefields steps 2–3:
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2. Let _temporalDate_ be ? DateFromFields(_calendar_, _fields_, _options_).
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3. Let _overflow_ be ? ToTemporalOverflow(_options_).
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sec-temporal-totemporaldatetime steps 2–3:
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2. If Type(_item_) is Object, then
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...
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g. Let _result_ be ? InterpretTemporalDateTimeFields(_calendar_, _fields_, _options_).
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3. Else,
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a. Perform ? ToTemporalOverflow(_options_).
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sec-temporal.plaindatetime.from steps 2–3:
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2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalDateTime]] internal slot, then
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a. Perform ? ToTemporalOverflow(_options_).
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b. Return ...
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3. Return ? ToTemporalDateTime(_item_, _options_).
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features: [Temporal]
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---*/
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const validValues = [
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new Temporal.PlainDateTime(2000, 5, 2, 12),
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new Temporal.PlainDate(2000, 5, 2),
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new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC"),
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{ year: 2000, month: 5, day: 2, hour: 12 },
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"2000-05-02T12:00",
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];
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const badOverflows = ["", "CONSTRAIN", "balance", "other string", "constra\u0131n", "reject\0"];
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for (const value of validValues) {
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for (const overflow of badOverflows) {
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assert.throws(
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RangeError,
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() => Temporal.PlainDateTime.from(value, { overflow }),
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`invalid overflow ("${overflow}")`
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);
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}
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}
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