diff options
Diffstat (limited to 'components/script/stylesheet_loader.rs')
| -rw-r--r-- | components/script/stylesheet_loader.rs | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/components/script/stylesheet_loader.rs b/components/script/stylesheet_loader.rs index a18d63e323b..5efaf78e542 100644 --- a/components/script/stylesheet_loader.rs +++ b/components/script/stylesheet_loader.rs @@ -163,7 +163,8 @@ impl FetchResponseListener for StylesheetContext { Some(meta) => meta, None => return, }; - let is_css = metadata.content_type.is_some_and(|ct| { + + let mut is_css = metadata.content_type.is_some_and(|ct| { let mime: Mime = ct.into_inner().into(); mime.type_() == mime::TEXT && mime.subtype() == mime::CSS }) || ( @@ -177,6 +178,17 @@ impl FetchResponseListener for StylesheetContext { document.origin().immutable().clone() == metadata.final_url.origin() ); + // From <https://html.spec.whatwg.org/multipage/#link-type-stylesheet>: + // > Quirk: If the document has been set to quirks mode, has the same origin as + // > the URL of the external resource, and the Content-Type metadata of the + // > external resource is not a supported style sheet type, the user agent must + // > instead assume it to be text/css. + if document.quirks_mode() == QuirksMode::Quirks && + document.url().origin() == self.url.origin() + { + is_css = true; + } + let data = if is_css { let data = std::mem::take(&mut self.data); self.unminify_css(data, metadata.final_url.clone()) |