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LibJS: Handle NumberFormat's [[UseGrouping]] option for "true" / "false"

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This is a normative change to the Intl NumberFormat V3 spec. See:
4751da5
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Timothy Flynn 2022-09-13 11:00:58 -04:00 • committed by Tim Flynn
parent 9743849ddb
commit 887dac0929
3 changed files with 24 additions and 7 deletions
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13
Userland/Libraries/LibJS/Runtime/Intl/AbstractOperations.cpp
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@ -633,12 +633,17 @@ ThrowCompletionOr<StringOrBoolean> get_string_or_boolean_option(VM& vm, Object c
// 6. Let value be ? ToString(value).
auto value_string = TRY(value.to_string(vm));
// 7. If values does not contain an element equal to value, return fallback.
auto it = find(values.begin(), values.end(), value_string);
if (it == values.end())
// 7. NOTE: For historical reasons, the strings "true" and "false" are treated the same as the boolean value true.
// 8. If value is "true" or "false", return fallback.
if (value_string.is_one_of("true"sv, "false"sv))
return fallback;
// 8. Return value.
// 9. If values does not contain an element equal to value, throw a RangeError exception.
auto it = find(values.begin(), values.end(), value_string);
if (it == values.end())
return vm.throw_completion<RangeError>(ErrorType::OptionIsNotValidValue, value_string, property.as_string());
// 10. Return value.
return StringOrBoolean { *it };
}