slashes";break;case"relative":if(this._isRelative=!0,"file"!=this._scheme&&(this._scheme=s._scheme),f==y){this._host=s._host,this._port=s._port,this._path=s._path.slice(),this._query=s._query,this._username=s._username,this._password=s._password;break e}if("/"==y||"\\"==y)"\\"==y&&c("\\ is an invalid code point."),l="relative slash";else if("?"==y)this._host=s._host,this._port=s._port,this._path=s._path.slice(),this._query="?",this._username=s._username,this._password=s._password,l="query";else{if("#"!=y){var...