nl_tokens: https : // html . spec . whatwg . org / multipage / semantics . html#default - fetch - and - process - the - linked - resource TODO : refactor into general link - fetching like the spec .
pl_tokens: function fetchAndProcess ( <mask> ) { const href = el . getAttributeNS ( null , "href" ) ; if ( href === null || href === "" ) { return ; } const url = parseURLToResultingURLRecord ( href , el . _ownerDocument ) ; if ( url === null ) { return ; } // TODO handle crossorigin="", nonce, integrity="", referrerpolicy="" const serialized = whatwgURL . serializeURL ( url ) ; fetchStylesheet ( el , serialized ) ; }