Method matching_metadata_pseudos

crates/csskit_ast/src/selector/query.rs:599–615

Returns an iterator of metadata-based pseudo-class names that match the given metadata. This only includes pseudos that can be determined from metadata alone, excluding positional pseudos like `:first-child` or `:nth-of-type`.

(meta: &CssMetadata)

	/// This only includes pseudos that can be determined from metadata alone,
	/// excluding positional pseudos like `:first-child` or `:nth-of-type`.
	pub fn matching_metadata_pseudos(meta: &CssMetadata) -> impl Iterator<Item = &'static str> {
		[
			(meta.has_important(), "important"),
			(meta.has_custom_properties(), "custom"),
			(meta.has_computed(), "computed"),
			(meta.has_shorthands(), "shorthand"),
			(meta.has_longhands(), "longhand"),
			(meta.has_unknown(), "unknown"),
			(meta.has_at_rules(), "at-rule"),
			(meta.has_rules(), "rule"),
			(meta.has_functions(), "function"),
			(meta.is_empty_container(), "empty"),
			(meta.has_vendor_prefixes(), "prefixed"),
		]
		.into_iter()
		.filter_map(|(matches, name)| matches.then_some(name))
	}
}

/// Functional pseudo-classes (`:not()`, `:nth-child()`, etc.).