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LibJS: Disallow calendar display names which contain an underscore
This is a normative change in the Intl spec. See:
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2 changed files with 10 additions and 2 deletions
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@ -150,8 +150,12 @@ ThrowCompletionOr<Value> canonical_code_for_display_names(GlobalObject& global_o
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if (!Unicode::is_type_identifier(code))
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return vm.throw_completion<RangeError>(global_object, ErrorType::OptionIsNotValidValue, code, "calendar"sv);
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// b. Let code be the result of mapping code to lower case as described in 6.1.
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// c. Return code.
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// b. If code uses any of the backwards compatibility syntax described in Unicode Technical Standard #35 LDML § 3.3 BCP 47 Conformance, throw a RangeError exception.
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if (code.contains('_'))
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return vm.throw_completion<RangeError>(global_object, ErrorType::OptionIsNotValidValue, code, "calendar"sv);
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// c. Let code be the result of mapping code to lower case as described in 6.1.
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// d. Return code.
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return js_string(vm, code.to_lowercase_string());
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}
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