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function(e,t,n){n.d(t,{B:()=>u,r:()=>c});var i=n(477900),l=n(582128),s=n(775602),r=n(818348);let a=l.createContext(null),o={registerItemRef:()=>r.tE,registerDragHandleRef:()=>r.tE,manageFocusOnReorder:r.tE,manageFocusOnDelete:r.tE};function c(){return l.useContext(a)??o}function u(e){let{children:t,emptyListFallbackRef:n}=e,r=l.useRef(new Map),o=l.useRef(new Map),c=l.useRef([]),u=l.useCallback(()=>{c.current=Array.from(r.current.keys()).sort((e,t)=>{let n=r.current.get(e),i=r.current.get(t);if(null==n||null==i)return 0;let l=n.compareDocumentPosition(i);return(l&Node.DOCUMENT_POSITION_FOLLOWING)!=0?-1:+((l&Node.DOCUMENT_POSITION_PRECEDING)!=0)})},[]),d=l.useCallback(e=>t=>{null!=t?o.current.set(e,t):o.current.delete(e)},[]),g=l.useCallback(e=>t=>{null!=t?r.current.set(e,t):r.current.delete(e)},[]),m=l.useCallback(e=>{s.Ay.keyboardModeEnabled&&requestAnimationFrame(()=>{let t=o.current.get(e);t?.focus()})},[]),x=l.useCallback(e=>{if(!s.Ay.keyboardModeEnabled)return;u();let t=c.current,i=t.indexOf(e);if(-1===i)return;let l=i+1<t.length?i+1:i-1;if(l>=0){let e=t[l];requestAnimationFrame(()=>{let t=r.current.get(e);t?.focus()})}else requestAnimationFrame(()=>{n?.focus()})},[n,u]),f=l.useMemo(()=>({registerDragHandleRef:d,registerItemRef:g,manageFocusOnReorder:m,manageFocusOnDelete:x}),[d,g,m,x]);return(0,i.jsx)(a.Provider,{value:f,children:t})}}