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LibJS: Require 'T' prefix for ambiguous time-only strings
This is a normative change in the Temporal spec.
See: 514ede3
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4 changed files with 443 additions and 29 deletions
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@ -64,4 +64,26 @@ describe("errors", () => {
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"Invalid time string '2021-07-06T23:42:01Z': must not contain a UTC designator"
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);
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});
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test("ambiguous string must contain a time designator", () => {
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const values = [
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// YYYY-MM or HHMM-UU
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"2021-12",
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// MMDD or HHMM
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"1214",
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"0229",
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"1130",
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// MM-DD or HH-UU
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"12-14",
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// YYYYMM or HHMMSS
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"202112",
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];
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for (const value of values) {
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expect(() => {
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Temporal.PlainTime.from(value);
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}).toThrowWithMessage(RangeError, `Invalid time string '${value}'`);
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// Doesn't throw
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Temporal.PlainTime.from(`T${value}`);
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}
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});
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});
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