nl_tokens: Returns true if file should be ignored
pl_tokens: function accept_file ( <mask> , state ) { state = state || { } ; debug . assert ( filename ) . is ( 'string' ) ; debug . assert ( state ) . is ( 'object' ) ; if ( ! state . file ) { return ; } var ext = PATH . extname ( filename ) ; return ( ext === '.js' ) ? true : false ; }