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6e4f412d65
As per the discussion in https://github.com/tc39/proposal-temporal/issues/2379#issuecomment-1248557100 and the PR https://github.com/tc39/proposal-temporal/pull/2398, which is to be presented for consensus to TC39 in the upcoming plenary meeting, UTC offsets and the Z designator should be disallowed after any date-only strings (YYYY-MM-DD, YYYY-MM, and MM-DD). They should only be allowed to follow a time component. Z remains disallowed in any string being parsed into a Plain type. Annotations become allowed after any ISO string, even YYYY-MM and MM-DD where they were previously disallowed.
54 lines
1.3 KiB
JavaScript
54 lines
1.3 KiB
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.instant.compare
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description: UTC offset not valid with format that does not include a time
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features: [Temporal]
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---*/
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const validStrings = [
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"1970-01-01T00Z",
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"1970-01-01T00Z[UTC]",
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"1970-01-01T00Z[!UTC]",
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"1970-01-01T00Z[Europe/Vienna]",
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"1970-01-01T00+00:00",
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"1970-01-01T00+00:00[UTC]",
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"1970-01-01T00+00:00[!UTC]",
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"1969-12-31T16-08:00[America/Vancouver]",
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];
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for (const arg of validStrings) {
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const result = Temporal.Instant.compare(arg, arg);
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assert.sameValue(
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result,
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0,
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`"${arg}" is a valid UTC offset with time for Instant`
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);
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}
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const invalidStrings = [
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"2022-09-15Z",
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"2022-09-15Z[UTC]",
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"2022-09-15Z[Europe/Vienna]",
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"2022-09-15+00:00",
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"2022-09-15+00:00[UTC]",
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"2022-09-15-02:30",
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"2022-09-15-02:30[America/St_Johns]",
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];
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const epoch = new Temporal.Instant(0n);
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for (const arg of invalidStrings) {
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assert.throws(
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RangeError,
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() => Temporal.Instant.compare(arg, epoch),
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`"${arg}" UTC offset without time is not valid for Instant (first argument)`
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);
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assert.throws(
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RangeError,
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() => Temporal.Instant.compare(epoch, arg),
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`"${arg}" UTC offset without time is not valid for Instant (second argument)`
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);
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}
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