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LibWeb/CSS: Make fetch_a_style_resource() fall back to sheet's location

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See linked spec issue.
This commit is contained in:
Sam Atkins 2025-04-11 11:50:58 +01:00
parent 43950c7342
commit 3ed59f2bd2
Notes: github-actions[bot] 2025-04-15 09:31:00 +00:00
1 changed files with 6 additions and 1 deletions
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7
Libraries/LibWeb/CSS/Fetch.cpp
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@ -24,8 +24,13 @@ void fetch_a_style_resource(StyleResourceURL const& url_value, StyleSheetOrDocum
auto& environment_settings = HTML::relevant_settings_object(sheet_or_document.visit([](auto& it) -> JS::Object& { return it; }));
// 2. Let base be sheet’s stylesheet base URL if it is not null, otherwise environmentSettings’s API base URL. [CSSOM]
// AD-HOC: We use the sheet's location if it has no base url. https://github.com/w3c/csswg-drafts/issues/12068
auto base = sheet_or_document.visit(
[&](GC::Ref<CSSStyleSheet> const& sheet) { return sheet->base_url().value_or(environment_settings.api_base_url()); },
[&](GC::Ref<CSSStyleSheet> const& sheet) {
return sheet->base_url()
.value_or_lazy_evaluated_optional([&sheet] { return sheet->location(); })
.value_or_lazy_evaluated([&environment_settings] { return environment_settings.api_base_url(); });
},
[](GC::Ref<DOM::Document> const& document) { return document->base_url(); });
// 3. Let parsedUrl be the result of the URL parser steps with urlValue’s url and base. If the algorithm returns an error, return.