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LibJS: Use new LibUnicode API to format time zone names

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Timothy Flynn 2022-01-11 11:41:22 -05:00 committed by Linus Groh
parent e2dfbe8f67
commit c1a1370c2a
Notes: sideshowbarker 2024-07-17 21:09:19 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/c1a1370c2a4
Pull-request: https://github.com/SerenityOS/serenity/pull/11813
Reviewed-by: https://github.com/linusg ✅
3 changed files with 28 additions and 9 deletions
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2
Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.cpp
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@ -938,7 +938,7 @@ ThrowCompletionOr<Vector<PatternPartition>> format_date_time_pattern(GlobalObjec
// The String value may also depend on the value of the [[InDST]] field of tm if f is "short", "long", "shortOffset", or "longOffset".
// If the implementation does not have a localized representation of f, then use the String value of v itself.
// FIXME: This should take [[InDST]] into account.
auto formatted_value = Unicode::get_time_zone_name(data_locale, value, style).value_or(value);
auto formatted_value = Unicode::format_time_zone(data_locale, value, style, local_time.time_since_epoch());
// iv. Append a new Record { [[Type]]: p, [[Value]]: fv } as the last element of the list result.
result.append({ "timeZoneName"sv, move(formatted_value) });

6
Userland/Libraries/LibJS/Runtime/Intl/DateTimeFormat.h
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@ -9,6 +9,7 @@
#include <AK/Array.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/Time.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#include <LibJS/Runtime/Completion.h>
@ -161,6 +162,11 @@ enum class OptionDefaults {
// Table 5: Record returned by ToLocalTime, https://tc39.es/ecma402/#table-datetimeformat-tolocaltime-record
struct LocalTime {
AK::Time time_since_epoch() const
{
return AK::Time::from_timestamp(year, month + 1, day + 1, hour, minute, second, millisecond);
}
int weekday { 0 }; // [[Weekday]]
Unicode::Era era {}; // [[Era]]
i32 year { 0 }; // [[Year]]

29
Userland/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.format.js
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@ -383,21 +383,34 @@ describe("fractionalSecondDigits", () => {
describe("timeZoneName", () => {
// prettier-ignore
const data = [
{ timeZoneName: "short", en0: "12/7/2021, 5:40 PM UTC", en1: "1/23/1989, 7:08 AM UTC", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م UTC", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص UTC" },
{ timeZoneName: "long", en0: "12/7/2021, 5:40 PM Coordinated Universal Time", en1: "1/23/1989, 7:08 AM Coordinated Universal Time", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م التوقيت العالمي المنسق", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص التوقيت العالمي المنسق" },
{ timeZoneName: "shortOffset", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZoneName: "longOffset", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZoneName: "shortGeneric", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZoneName: "longGeneric", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZone: "UTC", timeZoneName: "short", en0: "12/7/2021, 5:40 PM UTC", en1: "1/23/1989, 7:08 AM UTC", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م UTC", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص UTC" },
{ timeZone: "UTC", timeZoneName: "long", en0: "12/7/2021, 5:40 PM Coordinated Universal Time", en1: "1/23/1989, 7:08 AM Coordinated Universal Time", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م التوقيت العالمي المنسق", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص التوقيت العالمي المنسق" },
{ timeZone: "UTC", timeZoneName: "shortOffset", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZone: "UTC", timeZoneName: "longOffset", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZone: "UTC", timeZoneName: "shortGeneric", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
{ timeZone: "UTC", timeZoneName: "longGeneric", en0: "12/7/2021, 5:40 PM GMT", en1: "1/23/1989, 7:08 AM GMT", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش" },
// FIXME: The time stamps on the below cases are incorrect as they do not adjust the time based on the GMT offset.
// Update these once the LocalTZA AO is implemented and ToLocalTime uses it.
{ timeZone: "America/New_York", timeZoneName: "shortOffset", en0: "12/7/2021, 5:40 PM GMT-5", en1: "1/23/1989, 7:08 AM GMT-5", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش-٥", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش-٥" },
{ timeZone: "America/New_York", timeZoneName: "longOffset", en0: "12/7/2021, 5:40 PM GMT-05:00", en1: "1/23/1989, 7:08 AM GMT-05:00", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش-٠٥:٠٠", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش-٠٥:٠٠" },
{ timeZone: "America/New_York", timeZoneName: "shortGeneric", en0: "12/7/2021, 5:40 PM ET", en1: "1/23/1989, 7:08 AM ET", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م غرينتش-٥", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص غرينتش-٥" },
{ timeZone: "America/New_York", timeZoneName: "longGeneric", en0: "12/7/2021, 5:40 PM Eastern Time", en1: "1/23/1989, 7:08 AM Eastern Time", ar0: "٧‏/١٢‏/٢٠٢١, ٥:٤٠ م التوقيت الشرقي لأمريكا الشمالية", ar1: "٢٣‏/١‏/١٩٨٩, ٧:٠٨ ص التوقيت الشرقي لأمريكا الشمالية" },
];
test("all", () => {
data.forEach(d => {
const en = new Intl.DateTimeFormat("en", { timeZoneName: d.timeZoneName });
const en = new Intl.DateTimeFormat("en", {
timeZone: d.timeZone,
timeZoneName: d.timeZoneName,
});
expect(en.format(d0)).toBe(d.en0);
expect(en.format(d1)).toBe(d.en1);
const ar = new Intl.DateTimeFormat("ar", { timeZoneName: d.timeZoneName });
const ar = new Intl.DateTimeFormat("ar", {
timeZone: d.timeZone,
timeZoneName: d.timeZoneName,
});
expect(ar.format(d0)).toBe(d.ar0);
expect(ar.format(d1)).toBe(d.ar1);
});