=void 0):a=e=void 0);var t=e||Ha(),s=Ja(t,this).startOf("day"),n=M.calendarFormat(this,s)||"sameElse",r=a&&(v(a[n])?a[n].call(this,t):a[n]);return this.format(r||this.localeData().calendar(n,this,Ha(t)))},yt.clone=function(){return new k(this)},yt.diff=function(e,a,t){var s,n,r;if(!this.isValid())return NaN;if(!(s=Ja(e,this)).isValid())return NaN;switch(n=6e4*(s.utcOffset()-this.utcOffset()),a=N(a)){case"year":r=et(this,s)/12;break;case"month":r=et(this,s);break;case"quarter":r=et(this,s)/3;brea...