function u(l){throw new Error("Unexpected object: "+l)}var c=(i=>(i[i.First=0]="First",i[i.Previous=1]="Previous",i[i.Next=2]="Next",i[i.Last=3]="Last",i[i.Specific=4]="Specific",i[i.Nothing=5]="Nothing",i))(c||{});function f(l,n){let t=n.resolveItems();if(t.length<=0)return null;let r=n.resolveActiveIndex(),s=r!=null?r:-1;switch(l.focus){case 0:{for(let e=0;e<t.length;++e)if(!n.resolveDisabled(t[e],e,t))return e;return r}case 1:{for(let e=s-1;e>=0;--e)if(!n.resolveDisabled(t[e],e,t))return e;return r}case 2:{for(let e=s+1;e<t.length;++e)if(!n.resolveDisabled(t[e],e,t))return e;return r}case 3:{for(let e=t.length-1;e>=0;--e)if(!n.resolveDisabled(t[e],e,t))return e;return r}case 4:{for(let e=0;e<t.length;++e)if(n.resolveId(t[e],e,t)===l.id)return e;return r}case 5:return null;default:u(l)}}export{c as Focus,f as calculateActiveIndex};