,s=0,n=t.length;s<n;++s)if(e=t[s].since<=t[s].until?1:-1,a=this.clone().startOf("day").valueOf(),t[s].since<=a&&a<=t[s].until||t[s].until<=a&&a<=t[s].since)return(this.year()-M(t[s].since).year())*e+t[s].offset;return this.year()},yt.year=ze,yt.isLeapYear=function(){return I(this.year())},yt.weekYear=function(e){return ut.call(this,e,this.week(),this.weekday(),this.localeData()._week.dow,this.localeData()._week.doy)},yt.isoWeekYear=function(e){return ut.call(this,e,this.isoWeek(),this.isoWeekday...