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LibWeb/CSS: Implement "is a custom property name string" to spec

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This will be needed in the Parser soon, so for lack of a better place,
it's going in a separate header.
This commit is contained in:
Sam Atkins
2024-10-09 17:49:30 +01:00
committed by Andreas Kling
parent 7723873016
commit f11c0e6cc0
2 changed files with 24 additions and 3 deletions
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6
Userland/Libraries/LibWeb/CSS/CSS.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2021-2024, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
@@ -9,6 +9,7 @@
#include <LibWeb/CSS/CSS.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/CSS/PropertyID.h>
#include <LibWeb/CSS/PropertyName.h>
#include <LibWeb/CSS/Serialize.h>
namespace Web::CSS {
@@ -33,8 +34,7 @@ bool supports(JS::VM& vm, StringView property, StringView value)
}
// 2. Otherwise, if property is a custom property name string, return true.
// FIXME: This check is not enough to make sure this is a valid custom property name, but it's close enough.
else if (property.starts_with("--"sv) && property.length() >= 3) {
else if (is_a_custom_property_name_string(property)) {
return true;
}