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LibWeb: Make HashMap copy of inline CSS declarations fallible

Ben Wiederhake 2 роки тому
батько
коміт
efbf6b7e5f

+ 2 - 1
Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp

@@ -458,7 +458,8 @@ WebIDL::ExceptionOr<void> ElementInlineCSSStyleDeclaration::set_css_text(StringV
 
     // 3. Parse the given value and, if the return value is not the empty list, insert the items in the list into the declarations, in specified order.
     auto style = parse_css_style_attribute(CSS::Parser::ParsingContext(m_element->document()), css_text, *m_element.ptr());
-    set_the_declarations(style->properties(), style->custom_properties());
+    auto custom_properties = TRY_OR_THROW_OOM(vm(), style->custom_properties().clone());
+    set_the_declarations(style->properties(), move(custom_properties));
 
     // 4. Update style attribute for the CSS declaration block.
     update_style_attribute();