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LibWeb+LibJS: Add [LegacyNullToEmptyString] attribute
If specified, to_string() returns an empty string instead of "null" for null values.
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3 changed files with 7 additions and 6 deletions
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@ -143,13 +143,13 @@ PrimitiveString* Value::to_primitive_string(GlobalObject& global_object)
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return js_string(global_object.heap(), string);
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}
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String Value::to_string(GlobalObject& global_object) const
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String Value::to_string(GlobalObject& global_object, bool legacy_null_to_empty_string) const
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{
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switch (m_type) {
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case Type::Undefined:
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return "undefined";
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case Type::Null:
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return "null";
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return !legacy_null_to_empty_string ? "null" : String::empty();
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case Type::Boolean:
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return m_value.as_bool ? "true" : "false";
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case Type::Number:
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@ -241,7 +241,7 @@ public:
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i32 as_i32() const;
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size_t as_size_t() const;
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String to_string(GlobalObject&) const;
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String to_string(GlobalObject&, bool legacy_null_to_empty_string = false) const;
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PrimitiveString* to_primitive_string(GlobalObject&);
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Value to_primitive(PreferredType preferred_type = PreferredType::Default) const;
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Object* to_object(GlobalObject&) const;
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