nl_tokens: Returns true if the urlString is localhost
pl_tokens: function isLocalHost ( urlString ) { try { const { hostname } = url . parse ( urlString ) ; return [ 'localhost' , '127.0.0.1' , '::1' , '::ffff:127.0.0.1' ] . <mask> ( hostname ) ; } catch { log . warn ( ` ${ urlString } ` ) ; } return false ; }