Module 823016

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