nl_tokens: template used to format duration may be a function or a string template functions are executed with the this binding of the settings object so that template strings may be dynamically generated based on the duration object ( accessible via this . duration ) or any of the other settings
pl_tokens: function ( ) { var types = this . types , dur = this . duration , lastType = findLast ( types , function ( type ) { return dur . _data [ <mask> ] ; } ) ; // default template strings for each duration dimension type switch ( lastType ) { case "seconds" : return "h:mm:ss" ; case "minutes" : return "d[d] h:mm" ; case "hours" : return "d[d] h[h]" ; case "days" : return "M[m] d[d]" ; case "weeks" : return "y[y] w[w]" ; case "months" : return "y[y] M[m]" ; case "years" : return "y[y]" ; default : return "y[y] M[m] d[d] h:mm:ss" ; } }