diff options
| -rw-r--r-- | components/selectors/parser.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/components/selectors/parser.rs b/components/selectors/parser.rs index 9980bdeeb60..8f87c785f3e 100644 --- a/components/selectors/parser.rs +++ b/components/selectors/parser.rs @@ -254,6 +254,11 @@ pub trait Parser<'i> { false } + /// Whether the given function name is an alias for the `:is()` function. + fn is_is_alias(&self, _name: &str) -> bool { + false + } + /// Whether to parse the `:host` pseudo-class. fn parse_host(&self) -> bool { false @@ -2302,6 +2307,10 @@ where _ => {} } + if parser.parse_is_and_where() && parser.is_is_alias(&name) { + return parse_is_or_where(parser, input, state, Component::Is); + } + if !state.allows_custom_functional_pseudo_classes() { return Err(input.new_custom_error(SelectorParseErrorKind::InvalidState)); } |