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LibJS: Convert resolve_best_locale to ThrowCompletionOr

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Idan Horowitz 2021-10-23 03:00:26 +03:00 committed by Andreas Kling
parent 28e1e03234
commit 70a35f9600
Notes: sideshowbarker 2024-07-18 02:00:41 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/70a35f96002
Pull-request: https://github.com/SerenityOS/serenity/pull/10586
1 changed files with 6 additions and 10 deletions
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16
Userland/Libraries/LibJS/Runtime/StringPrototype.cpp
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@ -340,12 +340,12 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(StringPrototype::index_of)
return index.has_value() ? Value(*index) : Value(-1);
}
static Optional<String> resolve_best_locale(GlobalObject& global_object, Value locales)
static ThrowCompletionOr<String> resolve_best_locale(GlobalObject& global_object, Value locales)
{
// For details on these steps, see https://tc39.es/ecma402/#sup-string.prototype.tolocalelowercase
// 3. Let requestedLocales be ? CanonicalizeLocaleList(locales).
auto requested_locales = TRY_OR_DISCARD(Intl::canonicalize_locale_list(global_object, locales));
auto requested_locales = TRY(Intl::canonicalize_locale_list(global_object, locales));
Optional<Unicode::LocaleID> requested_locale;
@ -383,11 +383,9 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(StringPrototype::to_locale_lowercase)
if (!string.has_value())
return {};
auto locale = resolve_best_locale(global_object, vm.argument(0));
if (!locale.has_value())
return {};
auto locale = TRY_OR_DISCARD(resolve_best_locale(global_object, vm.argument(0)));
auto lowercase = Unicode::to_unicode_lowercase_full(*string, *locale);
auto lowercase = Unicode::to_unicode_lowercase_full(*string, locale);
return js_string(vm, move(lowercase));
}
@ -398,11 +396,9 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(StringPrototype::to_locale_uppercase)
if (!string.has_value())
return {};
auto locale = resolve_best_locale(global_object, vm.argument(0));
if (!locale.has_value())
return {};
auto locale = TRY_OR_DISCARD(resolve_best_locale(global_object, vm.argument(0)));
auto uppercase = Unicode::to_unicode_uppercase_full(*string, *locale);
auto uppercase = Unicode::to_unicode_uppercase_full(*string, locale);
return js_string(vm, move(uppercase));
}