nl_tokens: Adds ANSI color escape codes if enabled .
pl_tokens: function formatArgs ( ) { var args = arguments ; var useColors = this . useColors ; var name = this . namespace ; if ( useColors ) { var c = this . color ; args [ 0 ] = '  \u001b[3' + c + ';1m' + name + ' ' + '\u001b[0m' + args [ 0 ] + '\u001b[3' + c + 'm' + ' +' + exports . humanize ( this . diff ) + '\u001b[0m' ; } else { args [ 0 ] = new Date ( ) . toUTCString ( ) + ' ' + <mask> + ' ' + args [ 0 ] ; } return args ; }