Type check guard to see if provided AST node is a CSS based AST.CSS.Node.
WARN: Good to know: they're not same (complaint) with css-tree!
css-tree
Supported AST node to narrow down its inferred type
// FIXME: There's an error when using node is AST.CSS.Node
node is AST.CSS.Node
Type check guard to see if provided AST node is a CSS based AST.CSS.Node.
WARN: Good to know: they're not same (complaint) with
css-tree!