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LibUnicode: Do not generate data for "generic" calendars

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This is not a calendar supported by ECMA-402, so let's not waste space
with its data.

Further, don't generate "gregorian" as a valid Unicode locale extension
keyword. It's an invalid type identifier, thus cannot be used in locales
such as "en-u-ca-gregorian".
This commit is contained in:
Timothy Flynn 2021-11-30 21:23:13 -05:00 committed by Linus Groh
parent f02ecc1da2
commit bf79c73158
Notes: sideshowbarker 2024-07-17 23:15:28 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/bf79c731583
Pull-request: https://github.com/SerenityOS/serenity/pull/11149
Reviewed-by: https://github.com/linusg ✅
3 changed files with 18 additions and 13 deletions
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5
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeDateTimeFormat.cpp
View file

@ -151,6 +151,11 @@ static ErrorOr<void> parse_calendars(String locale_calendars_path, UnicodeLocale
};
calendars_object.as_object().for_each_member([&](auto const& calendar_name, JsonValue const& value) {
// The generic calendar is not a supported Unicode calendar key, so skip it:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/calendar#unicode_calendar_keys
if (calendar_name == "generic"sv)
return;
auto& calendar = ensure_calendar(calendar_name);
if (!locale_data.calendars.contains_slow(calendar_name))

7
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeLocale.cpp
View file

@ -407,12 +407,17 @@ static ErrorOr<void> parse_calendar_keywords(String locale_dates_path, UnicodeLo
auto const& calendars_object = dates_object.as_object().get("calendars"sv);
calendars_object.as_object().for_each_member([&](auto const& calendar_name, JsonValue const&) {
keyword_values.append(calendar_name);
// The generic calendar is not a supported Unicode calendar key, so skip it:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/calendar#unicode_calendar_keys
if (calendar_name == "generic"sv)
return;
// FIXME: Similar to the calendar aliases defined in GenerateUnicodeDateTimeFormat, this
// should be parsed from BCP47. https://unicode-org.atlassian.net/browse/CLDR-15158
if (calendar_name == "gregorian"sv)
keyword_values.append("gregory"sv);
else
keyword_values.append(calendar_name);
});
}

19
Userland/Libraries/LibJS/Tests/builtins/Intl/DateTimeFormat/DateTimeFormat.prototype.resolvedOptions.js
View file

@ -21,32 +21,27 @@ describe("correct behavior", () => {
const en = Intl.DateTimeFormat("en", { calendar: "gregory" });
expect(en.resolvedOptions().calendar).toBe("gregory");
const el = Intl.DateTimeFormat("el", { calendar: "generic" });
expect(el.resolvedOptions().calendar).toBe("generic");
const el = Intl.DateTimeFormat("el", { calendar: "gregory" });
expect(el.resolvedOptions().calendar).toBe("gregory");
});
test("calendar may be set by locale extension", () => {
const en = Intl.DateTimeFormat("en-u-ca-gregory");
expect(en.resolvedOptions().calendar).toBe("gregory");
const el = Intl.DateTimeFormat("el-u-ca-generic");
expect(el.resolvedOptions().calendar).toBe("generic");
const el = Intl.DateTimeFormat("el-u-ca-gregory");
expect(el.resolvedOptions().calendar).toBe("gregory");
});
test("calendar option overrides locale extension", () => {
const el = Intl.DateTimeFormat("el-u-ca-generic", { calendar: "gregory" });
const el = Intl.DateTimeFormat("el-u-ca-gregory", { calendar: "gregory" });
expect(el.resolvedOptions().calendar).toBe("gregory");
});
test("calendar option limited to known 'ca' values", () => {
["generic", "hello"].forEach(calendar => {
["gregory", "hello"].forEach(calendar => {
const en = Intl.DateTimeFormat("en", { calendar: calendar });
expect(en.resolvedOptions().calendar).toBe("generic");
});
["generic", "hello"].forEach(calendar => {
const en = Intl.DateTimeFormat(`en-u-ca-${calendar}`);
expect(en.resolvedOptions().calendar).toBe("generic");
expect(en.resolvedOptions().calendar).toBe("gregory");
});
});