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this.store.dispatch(function(e){return{type:te,payload:{sourceId:e}}}(i)),i}},{key:"addTarget",value:function(e,t){Ie(e,!0),function(e){r("function"==typeof e.canDrop,"Expected canDrop to be a function."),r("function"==typeof e.hover,"Expected hover to be a function."),r("function"==typeof e.drop,"Expected beginDrag to be a function.")}(t);var i=this.addHandler(n.TARGET,e,t);return this.store.dispatch(function(e){return{type:re,payload:{targetId:e}}}(i)),i}},{key:"containsHandler",value:function(e){return Ke(this.dragSources,e)||Ke(this.dropTargets,e)}},{key:"getSource",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];r(this.isSourceId(e),"Expected a valid source ID.");var n=t&&e===this.pinnedSourceId,i=n?this.pinnedSource:this.dragSources.get(e);return i}},{key:"getTarget",value:function(e){return r(this.isTargetId(e),"Expected a valid target ID."),this.dropTargets.get(e)}},{key:"getSourceType",value:function(e){return r(this.isSourceId(e),"Expected a 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time."),this.pinnedSourceId=null,this.pinnedSource=null}},{key:"addHandler",value:function(e,t,r){var i=Xe(e);return this.types.set(i,t),e===n.SOURCE?this.dragSources.set(i,r):e===n.TARGET&&this.dropTargets.set(i,r),i}}])&&Ye(t.prototype,i),o&&Ye(t,o),e}();function qe(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function ze(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}function Je(e){var t="undefined"!=typeof window&&window.__REDUX_DEVTOOLS_EXTENSION__;return g(me,e&&t&&t({name:"dnd-core",instanceId:"dnd-core"}))}var Qe=function(){function e(){var t=this,r=arguments.length>0&&void 0!==arguments[0]&&arguments[0];qe(this,e),this.isSetUp=!1,this.handleRefCountChange=function(){var e=t.store.getState().refCount>0;t.backend&&(e&&!t.isSetUp?(t.backend.setup(),t.isSetUp=!0):!e&&t.isSetUp&&(t.backend.teardown(),t.isSetUp=!1))};var n=Je(r);this.store=n,this.monitor=new De(n,new Ve(n)),n.subscribe(this.handleRefCountChange)}var t,r,n;return t=e,(r=[{key:"receiveBackend",value:function(e){this.backend=e}},{key:"getMonitor",value:function(){return this.monitor}},{key:"getBackend",value:function(){return this.backend}},{key:"getRegistry",value:function(){return this.monitor.registry}},{key:"getActions",value:function(){var e=this,t=this.store.dispatch,r=function(e){return{beginDrag:k(e),publishDragSource:x(e),hover:M(e),drop:Y(e),endDrag:K(e)}}(this);return Object.keys(r).reduce((function(n,i){var o,a=r[i];return n[i]=(o=a,function(){for(var r=arguments.length,n=new Array(r),i=0;i<r;i++)n[i]=arguments[i];var a=o.apply(e,n);void 0!==a&&t(a)}),n}),{})}},{key:"dispatch",value:function(e){this.store.dispatch(e)}}])&&ze(t.prototype,r),n&&ze(t,n),e}();function Ze(e,t,r,n){var i=new Qe(n),o=e(i,t,r);return i.receiveBackend(o),i}var $e=e.createContext({dragDropManager:void 0});function et(e,t,r,n){return{dragDropManager:Ze(e,t,r,n)}}function tt(){var t=e.useContext($e).dragDropManager;return r(null!=t,"Expected drag drop context"),t}function rt(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var nt=!1,it=!1,ot=function(){function e(t){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.sourceId=null,this.internalMonitor=t.getMonitor()}var t,n,i;return t=e,(n=[{key:"receiveHandlerId",value:function(e){this.sourceId=e}},{key:"getHandlerId",value:function(){return this.sourceId}},{key:"canDrag",value:function(){r(!nt,"You may not call monitor.canDrag() inside your canDrag() implementation. Read more: http://react-dnd.github.io/react-dnd/docs/api/drag-source-monitor");try{return nt=!0,this.internalMonitor.canDragSource(this.sourceId)}finally{nt=!1}}},{key:"isDragging",value:function(){if(!this.sourceId)return!1;r(!it,"You may not call monitor.isDragging() inside your isDragging() implementation. Read more: http://react-dnd.github.io/react-dnd/docs/api/drag-source-monitor");try{return it=!0,this.internalMonitor.isDraggingSource(this.sourceId)}finally{it=!1}}},{key:"subscribeToStateChange",value:function(e,t){return this.internalMonitor.subscribeToStateChange(e,t)}},{key:"isDraggingSource",value:function(e){return this.internalMonitor.isDraggingSource(e)}},{key:"isOverTarget",value:function(e,t){return this.internalMonitor.isOverTarget(e,t)}},{key:"getTargetIds",value:function(){return this.internalMonitor.getTargetIds()}},{key:"isSourcePublic",value:function(){return this.internalMonitor.isSourcePublic()}},{key:"getSourceId",value:function(){return this.internalMonitor.getSourceId()}},{key:"subscribeToOffsetChange",value:function(e){return this.internalMonitor.subscribeToOffsetChange(e)}},{key:"canDragSource",value:function(e){return this.internalMonitor.canDragSource(e)}},{key:"canDropOnTarget",value:function(e){return this.internalMonitor.canDropOnTarget(e)}},{key:"getItemType",value:function(){return this.internalMonitor.getItemType()}},{key:"getItem",value:function(){return this.internalMonitor.getItem()}},{key:"getDropResult",value:function(){return this.internalMonitor.getDropResult()}},{key:"didDrop",value:function(){return this.internalMonitor.didDrop()}},{key:"getInitialClientOffset",value:function(){return this.internalMonitor.getInitialClientOffset()}},{key:"getInitialSourceClientOffset",value:function(){return this.internalMonitor.getInitialSourceClientOffset()}},{key:"getSourceClientOffset",value:function(){return this.internalMonitor.getSourceClientOffset()}},{key:"getClientOffset",value:function(){return this.internalMonitor.getClientOffset()}},{key:"getDifferenceFromInitialOffset",value:function(){return this.internalMonitor.getDifferenceFromInitialOffset()}}])&&rt(t.prototype,n),i&&rt(t,i),e}();function at(e,t){"function"==typeof e?e(t):e.current=t}function ut(t,n){var i=t.ref;return r("string"!=typeof i,"Cannot connect React DnD to an element with an existing string ref. Please convert it to use a callback ref instead, or wrap it into a <span> or <div>. Read more: https://facebook.github.io/react/docs/more-about-refs.html#the-ref-callback-attribute"),i?e.cloneElement(t,{ref:function(e){at(i,e),at(n,e)}}):e.cloneElement(t,{ref:n})}function ct(e){if("string"!=typeof e.type){var t=e.type.displayName||e.type.name||"the component";throw new Error("Only native element nodes can now be passed to React DnD connectors."+"You can either wrap ".concat(t," into a <div>, or turn it into a ")+"drag source or a drop target itself.")}}function st(t){var r={};return Object.keys(t).forEach((function(n){var i=t[n];if(n.endsWith("Ref"))r[n]=t[n];else{var o=function(t){return function(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(!e.isValidElement(r)){var i=r;return t(i,n),i}var o=r;ct(o);var a=n?function(e){return t(e,n)}:t;return ut(o,a)}}(i);r[n]=function(){return o}}})),r}function lt(e){return(lt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function ft(e){return null!==e&&"object"===lt(e)&&e.hasOwnProperty("current")}function dt(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var gt=function(){function e(t){var r=this;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a 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e=this.dragSource,t=this.didHandlerIdChange()||this.didConnectedDragSourceChange()||this.didDragSourceOptionsChange();t&&this.disconnectDragSource(),this.handlerId&&(e?t&&(this.lastConnectedHandlerId=this.handlerId,this.lastConnectedDragSource=e,this.lastConnectedDragSourceOptions=this.dragSourceOptions,this.dragSourceUnsubscribe=this.backend.connectDragSource(this.handlerId,e,this.dragSourceOptions)):this.lastConnectedDragSource=e)}},{key:"reconnectDragPreview",value:function(){var e=this.dragPreview,t=this.didHandlerIdChange()||this.didConnectedDragPreviewChange()||this.didDragPreviewOptionsChange();this.handlerId?this.dragPreview&&t&&(this.lastConnectedHandlerId=this.handlerId,this.lastConnectedDragPreview=e,this.lastConnectedDragPreviewOptions=this.dragPreviewOptions,this.disconnectDragPreview(),this.dragPreviewUnsubscribe=this.backend.connectDragPreview(this.handlerId,e,this.dragPreviewOptions)):this.disconnectDragPreview()}},{key:"didHandlerIdChange",value:function(){return this.lastConnectedHandlerId!==this.handlerId}},{key:"didConnectedDragSourceChange",value:function(){return this.lastConnectedDragSource!==this.dragSource}},{key:"didConnectedDragPreviewChange",value:function(){return this.lastConnectedDragPreview!==this.dragPreview}},{key:"didDragSourceOptionsChange",value:function(){return!o(this.lastConnectedDragSourceOptions,this.dragSourceOptions)}},{key:"didDragPreviewOptionsChange",value:function(){return!o(this.lastConnectedDragPreviewOptions,this.dragPreviewOptions)}},{key:"disconnectDragSource",value:function(){this.dragSourceUnsubscribe&&(this.dragSourceUnsubscribe(),this.dragSourceUnsubscribe=void 0)}},{key:"disconnectDragPreview",value:function(){this.dragPreviewUnsubscribe&&(this.dragPreviewUnsubscribe(),this.dragPreviewUnsubscribe=void 0,this.dragPreviewNode=null,this.dragPreviewRef=null)}},{key:"clearDragSource",value:function(){this.dragSourceNode=null,this.dragSourceRef=null}},{key:"clearDragPreview",value:function(){this.dragPreviewNode=null,this.dragPreviewRef=null}},{key:"connectTarget",get:function(){return this.dragSource}},{key:"dragSourceOptions",get:function(){return this.dragSourceOptionsInternal},set:function(e){this.dragSourceOptionsInternal=e}},{key:"dragPreviewOptions",get:function(){return this.dragPreviewOptionsInternal},set:function(e){this.dragPreviewOptionsInternal=e}},{key:"dragSource",get:function(){return this.dragSourceNode||this.dragSourceRef&&this.dragSourceRef.current}},{key:"dragPreview",get:function(){return this.dragPreviewNode||this.dragPreviewRef&&this.dragPreviewRef.current}}])&&dt(t.prototype,r),n&&dt(t,n),e}();function ht(e,t){return function(e){if(Array.isArray(e))return e}(e)||function(e,t){if(!(Symbol.iterator in Object(e)||"[object Arguments]"===Object.prototype.toString.call(e)))return;var r=[],n=!0,i=!1,o=void 0;try{for(var a,u=e[Symbol.iterator]();!(n=(a=u.next()).done)&&(r.push(a.value),!t||r.length!==t);n=!0);}catch(e){i=!0,o=e}finally{try{n||null==u.return||u.return()}finally{if(i)throw o}}return r}(e,t)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance")}()}function pt(e){return(pt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function vt(e,t){return function(e){if(Array.isArray(e))return e}(e)||function(e,t){if(!(Symbol.iterator in Object(e)||"[object Arguments]"===Object.prototype.toString.call(e)))return;var r=[],n=!0,i=!1,o=void 0;try{for(var a,u=e[Symbol.iterator]();!(n=(a=u.next()).done)&&(r.push(a.value),!t||r.length!==t);n=!0);}catch(e){i=!0,o=e}finally{try{n||null==u.return||u.return()}finally{if(i)throw o}}return r}(e,t)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance")}()}function yt(t){var n=e.useRef(t);n.current=t,r(null!=t.item,"item must be defined"),r(null!=t.item.type,"item type must be defined");var o,a=vt((o=tt(),[e.useMemo((function(){return new ot(o)}),[o]),e.useMemo((function(){return new gt(o.getBackend())}),[o])]),2),u=a[0],s=a[1];!function(t,n,o){var a=tt(),u=e.useMemo((function(){return{beginDrag:function(){var e=t.current,i=e.begin,o=e.item;if(i){var a=i(n);return r(null==a||"object"===pt(a),"dragSpec.begin() must either return an object, undefined, or null"),a||o||{}}return o||{}},canDrag:function(){return"boolean"==typeof t.current.canDrag?t.current.canDrag:"function"!=typeof t.current.canDrag||t.current.canDrag(n)},isDragging:function(e,r){var i=t.current.isDragging;return i?i(n):r===e.getSourceId()},endDrag:function(){var e=t.current.end;e&&e(n.getItem(),n),o.reconnect()}}}),[]);i((function(){var e=ht(function(e,t,r){var n=r.getRegistry(),i=n.addSource(e,t);return[i,function(){return n.removeSource(i)}]}(t.current.item.type,u,a),2),r=e[0],i=e[1];return n.receiveHandlerId(r),o.receiveHandlerId(r),i}),[])}(n,u,s);var l=c(u,n.current.collect||function(){return{}},(function(){return s.reconnect()})),f=e.useMemo((function(){return s.hooks.dragSource()}),[s]),d=e.useMemo((function(){return s.hooks.dragPreview()}),[s]);return i((function(){s.dragSourceOptions=n.current.options||null,s.reconnect()}),[s]),i((function(){s.dragPreviewOptions=n.current.previewOptions||null,s.reconnect()}),[s]),[l,f,d]}function bt(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var mt=function(){function e(t){var r=this;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a 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t=this.dropTarget;this.handlerId&&(t?e&&(this.lastConnectedHandlerId=this.handlerId,this.lastConnectedDropTarget=t,this.lastConnectedDropTargetOptions=this.dropTargetOptions,this.unsubscribeDropTarget=this.backend.connectDropTarget(this.handlerId,t,this.dropTargetOptions)):this.lastConnectedDropTarget=t)}},{key:"receiveHandlerId",value:function(e){e!==this.handlerId&&(this.handlerId=e,this.reconnect())}},{key:"didHandlerIdChange",value:function(){return this.lastConnectedHandlerId!==this.handlerId}},{key:"didDropTargetChange",value:function(){return this.lastConnectedDropTarget!==this.dropTarget}},{key:"didOptionsChange",value:function(){return!o(this.lastConnectedDropTargetOptions,this.dropTargetOptions)}},{key:"disconnectDropTarget",value:function(){this.unsubscribeDropTarget&&(this.unsubscribeDropTarget(),this.unsubscribeDropTarget=void 0)}},{key:"clearDropTarget",value:function(){this.dropTargetRef=null,this.dropTargetNode=null}},{key:"connectTarget",get:function(){return this.dropTarget}},{key:"dropTargetOptions",get:function(){return this.dropTargetOptionsInternal},set:function(e){this.dropTargetOptionsInternal=e}},{key:"dropTarget",get:function(){return this.dropTargetNode||this.dropTargetRef&&this.dropTargetRef.current}}])&&bt(t.prototype,r),n&&bt(t,n),e}();function Ot(e,t){for(var r=0;r<t.length;r++){var n=t[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}var wt=!1,Dt=function(){function e(t){!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,e),this.targetId=null,this.internalMonitor=t.getMonitor()}var t,n,i;return t=e,(n=[{key:"receiveHandlerId",value:function(e){this.targetId=e}},{key:"getHandlerId",value:function(){return this.targetId}},{key:"subscribeToStateChange",value:function(e,t){return this.internalMonitor.subscribeToStateChange(e,t)}},{key:"canDrop",value:function(){if(!this.targetId)return!1;r(!wt,"You may not call 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