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this.hasPlaceholder()?this.items:this.items.filter(function(t){return t.type!==Ct.VIRTUAL})},e.getGroups=function(t){return Jt(this.groups,t)},e.hasVisibleVirtualGroups=function(){return this.getVisibleGroups(!0).some(function(t){return t.type===zt.VIRTUAL})},e.hasPlaceholder=function(){return!!this._placeholder},e.hasLoadingItem=function(){return!!this._getLoadingItem()},e.setPlaceholder=function(t){this._placeholder=t,this._updatePlaceholder()},e.getLoadingType=function(){return this._loadingGrid.type},e.startLoading=function(t){return this._loadingGrid.type=t,this.items=this._getRenderingItems(),!0},e.endLoading=function(){var t=this._loadingGrid.type;return this._loadingGrid.type="",this.items=this._getRenderingItems(),!!t},e.setLoading=function(t){this._loadingGrid.setLoadingItem(t),this.items=this._getRenderingItems()},e.getVisibleGroups=function(t){return Jt(this.groups.slice(this.startCursor,this.endCursor+1),t)},e.applyGrid=function(t,r,e){var i=this;t.forEach(function(t){t.mountState=$.MOUNTED});var n=this.groups.slice();if(!n.length)return{start:[],end:[]};t=this._loadingGrid;t.getLoadingItem()&&("start"===t.type?n.unshift(this._getLoadingGroup()):"end"===t.type&&n.push(this._getLoadingGroup()));var t=n.slice(),o=e;return"start"===r&&t.reverse(),t.forEach(function(t){var e=t.grid,n=e.getItems(),t=t.type===zt.VIRTUAL&&!n[0],n=n.filter(function(t){return t.mountState!==$.UNCHECKED&&t.rect.width}),n=t?i._applyVirtualGrid(e,r,o):n.length?e.applyGrid(n,r,o):{start:h(o),end:h(o)};e.setOutlines(n),o=n[r]}),{start:n[0].grid.getOutlines().start,end:n[n.length-1].grid.getOutlines().end}},e.syncItems=function(t){var o=this,e=this.itemKeys;this.itemKeys={};var n=this._syncItemInfos(t.map(function(t){var e,n={};for(e in t)e in Lt&&(n[e]=t[e]);return n}),e),s=this.groupKeys,t=Kt(n),e=this._splitVirtualGroups("start",t),n=this._splitVirtualGroups("end",t),t=(t=h(e,this._mergeVirtualGroups(t),n)).map(function(t){var e=t.groupKey,n=t.items,r=!n[0]||n[0].type===Ct.VIRTUAL,i=null!==(t=null===(i=s[e])||void 0===i?void 0:i.grid)&&void 0!==t?t:o._makeGrid(),t=r?n:n.filter(function(t){return t.type===Ct.NORMAL});return i.setItems(t),{type:r?zt.VIRTUAL:zt.NORMAL,groupKey:e,grid:i,items:t,renderItems:n}});this._registerGroups(t)},e.renderItems=function(t){var e;return(t=void 0===t?{}:t).useResize&&(this.groupItems.forEach(function(t){t.updateState=tt.NEED_UPDATE}),(e=this._getLoadingItem())&&(e.updateState=tt.NEED_UPDATE)),r.prototype.renderItems.call(this,t)},e.setCursors=function(t,e){this.startCursor=t,this.endCursor=e,this.items=this._getRenderingItems()},e.getStartCursor=function(){return this.startCursor},e.getEndCursor=function(){return this.endCursor},e.getGroupStatus=function(t){var e=this.startCursor,n=this.endCursor,r=this.groups,o=e,s=n,a=t===Pt.MINIMIZE_INVISIBLE_ITEMS,u=t===Pt.MINIMIZE_INVISIBLE_GROUPS;t===Pt.REMOVE_INVISIBLE_GROUPS?(h=this.getVisibleGroups(),s-=o,o=0):h=this.getGroups();var i=h.map(function(t,e){var n=t.grid,r=t.groupKey,t=e<o||s<e,i=a&&t,e=u&&t,t=n.getItems(),t=e?[]:t.map(function(t){return i?t.getVirtualStatus():t.getMinimizedStatus()});return{type:e||i?zt.VIRTUAL:zt.NORMAL,groupKey:r,outlines:n.getOutlines(),items:t}}),c=r[e],t=r[n],h=this.getGroupItems(),r=h.indexOf(null==c?void 0:c.items[0]),h=h.indexOf(null==t?void 0:t.items.slice().reverse()[0]);return{cursors:[o,s],orgCursors:[e,n],itemCursors:[r,h],startGroupKey:null==c?void 0:c.groupKey,endGroupKey:null==t?void 0:t.groupKey,groups:i,outlines:this.outlines}},e.setGroupStatus=function(t){var o=this;this.itemKeys={},this.groupItems=[],this.items=[];var s=this.groupKeys,e=t.groups.map(function(t){var e=t.type,n=t.groupKey,r=t.items,i=t.outlines,t=o._syncItemInfos(r),r=null!==(r=null===(r=s[n])||void 0===r?void 0:r.grid)&&void 0!==r?r:o._makeGrid();return r.setOutlines(i),r.setItems(t),{type:e,groupKey:n,grid:r,items:t,renderItems:t}});this.setOutlines(t.outlines),this._registerGroups(e),this._updatePlaceholder(),this.setCursors(t.cursors[0],t.cursors[1])},e.appendPlaceholders=function(t,e){return this.insertPlaceholders("end",t,e)},e.prependPlaceholders=function(t,e){return this.insertPlaceholders("start",t,e)},e.removePlaceholders=function(t){var e,n,r=this.groups,i=r.length;"start"===t?(n=Wt(r,function(t){return t.type===zt.NORMAL}),r.splice(0,n)):"end"===t?(n=Zt(r,function(t){return t.type===zt.NORMAL}),r.splice(n+1,i-n-1)):(e=t.groupKey,-1<(n=Wt(r,function(t){return t.groupKey===e}))&&r.splice(n,1)),this.syncItems(Qt(this.getGroups()))},e.insertPlaceholders=function(t,e,n){var r;void 0===n&&(n=Ht(this.groupKeys));var i=[];"number"==typeof e?i=function(t){for(var e=[],n=0;n<t;++n)e.push(n);return e}(e).map(function(){return{type:Ct.VIRTUAL,groupKey:n}}):Array.isArray(e)&&(i=e.map(function(t){return y(y({groupKey:n},t),{type:Ct.VIRTUAL})}));e=this._makeGrid(),i=this._syncItemInfos(i,this.itemKeys);this._updatePlaceholder(i),e.setItems(i);e={type:zt.VIRTUAL,groupKey:n,grid:e,items:i,renderItems:i};return this.groupKeys[n]=e,"end"===t?(this.groups.push(e),(r=this.groupItems).push.apply(r,i)):(this.groups.splice(0,0,e),(r=this.groupItems).splice.apply(r,h([0,0],i)),-1<this.startCursor&&(++this.startCursor,++this.endCursor)),{group:e,items:i}},e.shouldRerenderItems=function(){var n=!1;return this.getVisibleGroups().forEach(function(t){var e=t.items;e.length===t.renderItems.length||e.every(function(t){return t.mountState===$.UNCHECKED})||(n=!0,t.renderItems=h(e))}),n&&(this.items=this._getRenderingItems()),n},e._getGroupItems=function(){return Qt(this.getGroups(!0))},e._getRenderingItems=function(){var t=Ut(this.getVisibleGroups(!0).map(function(t){return t.renderItems})),e=this._loadingGrid,n=e.getLoadingItem();return n&&("end"===e.type?t.push(n):"start"===e.type&&t.unshift(n)),t},e._checkShouldRender=function(t){var e,n=this.options.gridConstructor,r=this.gridOptions,i=n.propertyTypes;for(e in r)if(!(e in t)&&i[e]===J.RENDER_PROPERTY)return!0;for(e in t)if(r[e]!==t[e]&&i[e]===J.RENDER_PROPERTY)return!0;return!1},e._applyVirtualGrid=function(t,e,n){var r=n.length?h(n):[0],t=t.getOutlines(),e=t["end"===e?"start":"end"];return e.length!==r.length||e.some(function(t,e){return t!==r[e]})?{start:h(r),end:h(r)}:t},e._syncItemInfos=function(t,r){void 0===r&&(r={});var i=this.options.horizontal,o=this.itemKeys;return t.filter(function(t){return null!=t.key}).forEach(function(t){var e=t.key,n=r[e];n?n.type===Ct.VIRTUAL&&t.type!==Ct.VIRTUAL?o[e]=new Nt(i,y({orgRect:n.orgRect,rect:n.rect},t)):(t.data&&(n.data=t.data),o[e]=n):o[e]=new Nt(i,y({},t))}),t.map(function(t){var e=t.key;return null==t.key&&(e=Ht(o),o[e]=new Nt(i,y(y({},t),{key:e}))),o[e]})},e._registerGroups=function(t){var e={};t.forEach(function(t){e[t.groupKey]=t}),this.groups=t,this.groupKeys=e,this.groupItems=this._getGroupItems()},e._splitVirtualGroups=function(t,e){var e=Ft(this.groups,t,e),n=this.itemKeys;return e.forEach(function(t){t.renderItems.forEach(function(t){n[t.key]=t})}),e},e._mergeVirtualGroups=function(t){var r=this.itemKeys,i=this.groupKeys;return t.forEach(function(t){var e,n=i[t.groupKey];!n||(e=t.items).every(function(t){return t.mountState===$.UNCHECKED})&&n.renderItems.forEach(function(t){t.type!==Ct.VIRTUAL||r[t.key]||(e.push(t),r[t.key]=t)})}),t},e._updatePlaceholder=function(t){void 0===t&&(t=this.groupItems);var e=this._placeholder;e&&t.filter(function(t){return t.type===Ct.VIRTUAL}).forEach(function(t){!function(t,e){for(var n in e){var r=e[n];t[n]="object"==typeof r?y(y({},t[n]),r):e[n]}}(t,e)})},e._makeGrid=function(){var t=this.options.gridConstructor,e=this.gridOptions;return new t(this.containerElement,y(y({},e),{useFit:!1,autoResize:!1,renderOnPropertyChange:!1,externalContainerManager:this.containerManager,externalItemRenderer:this.itemRenderer}))},e._getLoadingGroup=function(){var t=this._loadingGrid,e=t.getItems();return{groupKey:"__INFINITEGRID__LOADING_GRID",type:zt.NORMAL,grid:t,items:e,renderItems:e}},e._getLoadingItem=function(){return this._loadingGrid.getLoadingItem()},t.defaultOptions=y(y({},lt.defaultOptions),{gridConstructor:null,gridOptions:{}}),t.propertyTypes=y(y({},lt.propertyTypes),{gridConstructor:J.PROPERTY,gridOptions:J.PROPERTY}),n([st],t)}(lt),ne=function(n){function t(t){var e=n.call(this)||this;return e.startCursor=-1,e.endCursor=-1,e.size=0,e.items=[],e.itemKeys={},e.options=y({threshold:0,useRecycle:!0,defaultDirection:"end"},t),e}o(t,n);var e=t.prototype;return e.scroll=function(n){var r,t,e,i,o=this.startCursor,s=this.endCursor,a=this.items,u=a.length,c=this.size,h=this.options,l=h.defaultDirection,f=h.threshold,p=h.useRecycle,d="end"===l;u?-1!==o&&-1!==s?(r=n+c,t=Math.max.apply(Math,a[o].startOutline),e=Math.min.apply(Math,a[s].endOutline),i=a.map(function(t){var e=t.startOutline,t=t.endOutline;if(!e.length||!t.length)return!1;e=Math.min.apply(Math,e),t=Math.max.apply(Math,t);return e-f<=r&&n<=t+f}),h=0<o,l=s<u-1,c=n<=t+f,t=e-f<=r,e=i.indexOf(!0),i=i.lastIndexOf(!0),-1===e&&(e=o,i=s),p||(e=Math.min(e,o),i=Math.max(i,s)),e===o&&h&&c&&--e,i===s&&l&&t&&(i+=1),o!==e||s!==i?this.trigger("change",{prevStartCursor:o,prevEndCursor:s,nextStartCursor:e,nextEndCursor:i}):this._requestVirtualItems()||(d&&t||!c?!d&&c||!t||this.trigger("requestAppend",{key:a[s].key,isVirtual:!1}):this.trigger("requestPrepend",{key:a[o].key,isVirtual:!1}))):this.trigger("change",{prevStartCursor:o,prevEndCursor:s,nextStartCursor:u=d?0:u-1,nextEndCursor:u}):this.trigger(d?"requestAppend":"requestPrepend",{key:void 0,isVirtual:!1})},e._requestVirtualItems=function(){var t="end"===this.options.defaultDirection,e=this.items,n=this.getVisibleItems(),r=n.filter(function(t){return!t.isVirtual}),i=n.length,o=r.length,s=this.getStartCursor(),a=this.getEndCursor();if(o===i)return!1;if(o){var u=r[0].key,c=r[o-1].key,r=Wt(e,function(t){return t.key===u})-1,o=Wt(e,function(t){return t.key===c})+1,a=o<=a,s=s<=r;if((t||!s)&&a)return this.trigger("requestAppend",{key:c,nextKey:e[o].key,isVirtual:!0}),!0;if((!t||!a)&&s)return this.trigger("requestPrepend",{key:u,nextKey:e[r].key,isVirtual:!0}),!0}else if(i){i=n[i-1];return t?this.trigger("requestAppend",{nextKey:n[0].key,isVirtual:!0}):this.trigger("requestPrepend",{nextKey:i.key,isVirtual:!0}),!0}return!1},e.setCursors=function(t,e){this.startCursor=t,this.endCursor=e},e.setSize=function(t){this.size=t},e.getStartCursor=function(){return this.startCursor},e.getEndCursor=function(){return this.endCursor},e.isLoading=function(t){var e=this.startCursor,n=this.endCursor,r=this.items,i=r[e],o=r[n],r=r.length;return!(t===xt.END&&-1<n&&n<r-1&&!o.isVirtual&&!Xt(o.startOutline,o.endOutline))&&!(t===xt.START&&0<e&&!i.isVirtual&&!Xt(i.startOutline,i.endOutline))},e.setItems=function(t){this.items=t;var e={};t.forEach(function(t){e[t.key]=t}),this.itemKeys=e},e.syncItems=function(t){var e=this.items,n=this.startCursor,r=this.endCursor,i=jt(this.items.map(function(t){return t.key}),t.map(function(t){return t.key}),n,r),o=i.startCursor,s=i.endCursor,i=s-o!=r-n||-1===n||-1===o;return i||(i=0<(r=q(e.slice(n,r+1),t.slice(o,s+1),function(t){return t.key})).added.length||0<r.removed.length||0<r.changed.length),this.setItems(t),this.setCursors(o,s),i},e.getItems=function(){return this.items},e.getVisibleItems=function(){var t=this.startCursor,e=this.endCursor;return-1===t?[]:this.items.slice(t,e+1)},e.getItemByKey=function(t){return this.itemKeys[t]},e.getRenderedVisibleItems=function(){var t=this.getVisibleItems(),e=t.map(function(t){var e=t.startOutline,n=t.endOutline,t=e.length;return 0!==t&&t===n.length&&e.some(function(t,e){return n[e]!==t})}),n=e.indexOf(!0),e=e.lastIndexOf(!0);return-1===e?[]:t.slice(n,e+1)},e.destroy=function(){this.off(),this.startCursor=-1,this.endCursor=-1,this.items=[],this.size=0},t}(t),d=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.items=[],t.container=null,t.rendererKey=0,t._updateTimer=0,t._state={},t}o(t,e);var n=t.prototype;return n.updateKey=function(){this.rendererKey=Date.now()},n.getItems=function(){return this.items},n.setContainer=function(t){this.container=t},n.render=function(t,e){return e&&(this._state=e),this.syncItems(t)},n.update=function(t){var e=this;this._state=t=void 0===t?{}:t,this.trigger("update",{state:t}),clearTimeout(this._updateTimer),this._updateTimer=window.setTimeout(function(){e.trigger("requestUpdate",{state:t})})},n.updated=function(n){void 0===n&&(n=null!==(r=null===(e=this.container)||void 0===e?void 0:e.children)&&void 0!==r?r:[]);var t=this._diffResult,e=!!(t.added.length||t.removed.length||t.changed.length),r=this._state;this._state={};t=t.list;return(this.items=t).forEach(function(t,e){t.element=n[e]}),this.trigger("updated",{items:t,elements:Bt(n),diffResult:this._diffResult,state:r,isChanged:e}),e},n.destroy=function(){this.off()},n.syncItems=function(t){var e=this.rendererKey,t=q(this.items,t.map(function(t){return y(y({},t),{renderKey:e+"_"+t.key})}),function(t){return t.renderKey});return this._diffResult=t},t}(t),re=function(i){function t(){return null!==i&&i.apply(this,arguments)||this}return o(t,i),t.prototype.syncItems=function(n){var t=i.prototype.syncItems.call(this,n),e=t.added,r=t.list;return e.forEach(function(t){var e=n[t].orgItem;e.html&&!e.element&&(e.element=Yt(e.html)[0]),r[t].element=e.element}),t},t}(function(u){function t(){return null!==u&&u.apply(this,arguments)||this}return o(t,u),t.prototype.render=function(t,e){var n=this.container,r=u.prototype.render.call(this,t,e),i=r.prevList,o=r.removed,t=r.ordered,e=r.added,s=r.list,a=h(i);return o.forEach(function(t){a.splice(t,1),n.removeChild(i[t].element)}),t.forEach(function(t){var e=t[0],t=t[1],e=a.splice(e,1)[0];a.splice(t,0,e),n.insertBefore(e.element,null!==(t=null===(t=a[t+1])||void 0===t?void 0:t.element)&&void 0!==t?t:null)}),e.forEach(function(t){var e=s[t];a.splice(t,0,e),n.insertBefore(e.element,null!==(t=null===(t=a[t+1])||void 0===t?void 0:t.element)&&void 0!==t?t:null)}),this.updated(n.children),r},t}(d)),ie=function(r){function t(t,e){var n=r.call(this)||this;return n.wrapper=t,n.prevScrollPos=null,n.scrollOffset=0,n.contentSize=0,n._isScrollIssue=Tt,n._onCheck=function(){var t=n.getScrollPos(),e=n.getOrgScrollPos();n.setScrollPos(e),null===t||n._isScrollIssue&&0===e||t===e?e&&(n._isScrollIssue=!1):(n._isScrollIssue=!1,n.trigger(new R("scroll",{direction:t<e?"end":"start",scrollPos:e,relativeScrollPos:n.getRelativeScrollPos()})))},n.options=y({container:!1,containerTag:"div",horizontal:!1},e),n._init(),n}o(t,r);var e=t.prototype;return e.getWrapper=function(){return this.wrapper},e.getContainer=function(){return this.container},e.getScrollContainer=function(){return this.scrollContainer},e.getScrollOffset=function(){return this.scrollOffset},e.getContentSize=function(){return this.contentSize},e.getRelativeScrollPos=function(){return(this.prevScrollPos||0)-this.scrollOffset},e.getScrollPos=function(){return this.prevScrollPos},e.setScrollPos=function(t){this.prevScrollPos=t},e.getOrgScrollPos=function(){var t=this.eventTarget,e=this.options.horizontal,n="scroll"+(e?"Left":"Top");return kt(t)?window[e?"pageXOffset":"pageYOffset"]||document.documentElement[n]||document.body[n]:t[n]},e.setStatus=function(t){this.contentSize=t.contentSize,this.scrollOffset=t.scrollOffset,this.prevScrollPos=t.prevScrollPos,this.scrollTo(this.prevScrollPos)},e.getStatus=function(){return{contentSize:this.contentSize,scrollOffset:this.scrollOffset,prevScrollPos:this.prevScrollPos}},e.scrollTo=function(t){var e=this.eventTarget,n=this.options.horizontal?[t,0]:[0,t],t=n[0],n=n[1];kt(e)?e.scroll(t,n):(e.scrollLeft=t,e.scrollTop=n)},e.scrollBy=function(t){var e,n,r;t&&(e=this.eventTarget,n=(r=this.options.horizontal?[t,0]:[0,t])[0],r=r[1],this.prevScrollPos+=t,kt(e)?e.scrollBy(n,r):(e.scrollLeft+=n,e.scrollTop+=r))},e.resize=function(){var t=this.scrollContainer,e=this.options.horizontal,n=t===document.body?{top:0,left:0}:t.getBoundingClientRect(),r=this.container.getBoundingClientRect();this.scrollOffset=(this.prevScrollPos||0)+(e?r.left-n.left:r.top-n.top),this.contentSize=e?t.offsetWidth:t.offsetHeight},e.destroy=function(){var t,e,n,r=this.container;this.eventTarget.removeEventListener("scroll",this._onCheck),this._isCreateElement?(t=this.scrollContainer,e=document.createDocumentFragment(),n=Bt(r.childNodes),t.removeChild(r),n.forEach(function(t){e.appendChild(t)}),t.appendChild(e)):this.options.container&&(r.style.cssText=this._orgCSSText)},e._init=function(){var t=this.options,e=t.container,n=t.containerTag,r=t.horizontal,i=this.wrapper,t=i,o=i,i="";e?(e instanceof HTMLElement?o=e:!0===e?((o=document.createElement(n)).style.position="relative",o.className=Mt,Bt(t.childNodes).forEach(function(t){o.appendChild(t)}),t.appendChild(o),this._isCreateElement=!0):o=t.querySelector(e),i=o.style.cssText,(n=t.style).overflowX=(e=r?["scroll","hidden"]:["hidden","scroll"])[0],n.overflowY=e[1],r&&(o.style.height="100%")):(t=document.body,i=o.style.cssText);r=t===document.body?window:t;r.addEventListener("scroll",this._onCheck),this._orgCSSText=i,this.container=o,this.scrollContainer=t,this.eventTarget=r,this.resize(),this.setScrollPos(this.getOrgScrollPos())},t}(t),oe=function(m){function t(t,e){var u=m.call(this)||this;u._waitType="",u._onScroll=function(t){var e=t.direction,n=t.scrollPos,t=t.relativeScrollPos;u._scroll(),u.trigger(new R(Dt.CHANGE_SCROLL,{direction:e,scrollPos:n,relativeScrollPos:t}))},u._onChange=function(t){u.setCursors(t.nextStartCursor,t.nextEndCursor)},u._onRendererUpdated=function(t){if(!t.isChanged)return u._checkEndLoading(),void u._scroll();var e=t.items,n=t.diffResult,r=n.added,i=n.removed,o=n.prevList,s=n.list;i.forEach(function(t){t=o[t].orgItem;t.mountState!==$.UNCHECKED&&(t.mountState=$.UNMOUNTED)}),e.forEach(function(t){t.orgItem.element=t.element});var a=u.options.horizontal,i=r.map(function(t){var e=s[t].orgItem,n=e.element;if(e.type!==Ct.VIRTUAL)return e;t=y({},e.cssRect),e=e.rect;return!t.width&&e.width&&(t.width=e.width),!t.height&&e.height&&(t.height=e.height),new ht(a,{element:n,cssRect:t})}),e=t.state,t=e.isRestore,e=e.isResize;u.itemRenderer.renderItems(i),t?(u._onRenderComplete({mounted:r.map(function(t){return s[t].orgItem}),updated:[],isResize:!1,direction:u.defaultDirection}),e&&u.groupManager.renderItems()):u.groupManager.renderItems()},u._onResize=function(){u.renderItems({useResize:!0})},u._onRequestAppend=function(t){u._onRequestInsert(xt.END,Dt.REQUEST_APPEND,t)},u._onRequestPrepend=function(t){u._onRequestInsert(xt.START,Dt.REQUEST_PREPEND,t)},u._onContentError=function(t){var e=t.element,n=t.target,r=t.item,t=t.update;u.trigger(new R(Dt.CONTENT_ERROR,{element:e,target:n,item:r,update:t,remove:function(){u.removeByKey(r.key)}}))},u._onRenderComplete=function(t){var e=t.isResize,n=t.mounted,r=t.updated,i=t.direction,o=u.infinite,s=o.getRenderedVisibleItems(),a=s.length,t=i===xt.END;u._syncInfinite(),a&&(a=s[t?0:a-1],o=o.getItemByKey(a.key),a=t?Math.min.apply(Math,o.startOutline)-Math.min.apply(Math,a.startOutline):Math.max.apply(Math,o.endOutline)-Math.max.apply(Math,a.endOutline),u.scrollManager.scrollBy(a)),u.trigger(new R(Dt.RENDER_COMPLETE,{isResize:e,direction:i,mounted:n.filter(function(t){return t.type!==Ct.LOADING}),updated:r.filter(function(t){return t.type!==Ct.LOADING}),startCursor:u.getStartCursor(),endCursor:u.getEndCursor(),items:u.getVisibleItems(!0),groups:u.getVisibleGroups(!0)})),u.groupManager.shouldRerenderItems()?u._update():(u._checkEndLoading(),u._scroll())},u.options=y(y(y({},u.constructor.defaultOptions),{renderer:(new re).on("requestUpdate",function(){return u._render()})}),e);var n=u.options,r=n.gridConstructor,i=n.containerTag,o=n.container,s=n.renderer,a=n.threshold,c=n.useRecycle,h=v(n,["gridConstructor","containerTag","container","renderer","threshold","useRecycle"]),l=h.horizontal,f=h.attributePrefix,p=h.useTransform,d=h.percentage,g=h.isConstantSize,e=h.isEqualSize,n=Gt(t)?document.querySelector(t):t,t=new ie(n,{container:o,containerTag:i,horizontal:l}).on({scroll:u._onScroll}),o=t.getContainer(),i=new it(o,{horizontal:l}).on("resize",u._onResize),g=new ct({attributePrefix:f,horizontal:l,useTransform:p,percentage:d,isEqualSize:e,isConstantSize:g}),a=new ne({useRecycle:c,threshold:a}).on({change:u._onChange,requestAppend:u._onRequestAppend,requestPrepend:u._onRequestPrepend});a.setSize(t.getContentSize());h=new ee(o,{gridConstructor:r,externalItemRenderer:g,externalContainerManager:i,gridOptions:h});return h.on({renderComplete:u._onRenderComplete,contentError:u._onContentError}),s.setContainer(o),s.on("updated",u._onRendererUpdated),u.itemRenderer=g,u.groupManager=h,u.wrapperElement=n,u.scrollManager=t,u.containerManager=i,u.infinite=a,u.containerManager.resize(),u}o(t,m);var e=t.prototype;return e.renderItems=function(t){if((t=void 0===t?{}:t).useResize&&this.containerManager.resize(),this._resizeScroll(),!this.getRenderingItems().length){var e=Bt(this.getContainerElement().children);if(!(0<e.length))return this.infinite.scroll(0),this;this.append(e)}return this.getVisibleGroups(!0).length?this.groupManager.renderItems(t):this.setCursors(0,0),this},e.getWrapperElement=function(){return this.scrollManager.getWrapper()},e.getScrollContainerElement=function(){return this.scrollManager.getScrollContainer()},e.getContainerElement=function(){return this.scrollManager.getContainer()},e.syncItems=function(t){return this.groupManager.syncItems(t),this._syncGroups(),this},e.setCursors=function(t,e,n){return this.groupManager.setCursors(t,e),this.infinite.setCursors(t,e),n?this._render():(this._update(),this._checkEndLoading()),this},e.getStartCursor=function(){return this.infinite.getStartCursor()},e.getEndCursor=function(){return this.infinite.getEndCursor()},e.append=function(t,e){return this.insert(-1,t,e)},e.prepend=function(t,e){return this.insert(0,t,e)},e.insert=function(t,e,n){var r,i=this.groupManager.getGroupItems(),e=(r=n,(e=Gt(e=e)?Yt(e):e).map(function(t){var e,n="";if(Gt(t))n=t;else{if(!("parentNode"in t))return y({groupKey:r},t);n=(e=t).outerHTML}return{key:void 0,groupKey:r,html:n,element:e}}));return-1===t?i.push.apply(i,e):i.splice.apply(i,h([t,0],e)),this.syncItems(i)},e.getStatus=function(t){return{containerManager:this.containerManager.getStatus(),itemRenderer:this.itemRenderer.getStatus(),groupManager:this.groupManager.getGroupStatus(t),scrollManager:this.scrollManager.getStatus()}},e.setPlaceholder=function(t){return this.groupManager.setPlaceholder(t),this},e.setLoading=function(t){return this.groupManager.setLoading(t),this},e.appendPlaceholders=function(t,e){var n=this,r=this.groupManager.appendPlaceholders(t,e);return this._syncGroups(!0),y(y({},r),{remove:function(){n.removePlaceholders({groupKey:r.group.groupKey})}})},e.prependPlaceholders=function(t,e){var n=this,r=this.groupManager.prependPlaceholders(t,e);return this._syncGroups(!0),y(y({},r),{remove:function(){n.removePlaceholders({groupKey:r.group.groupKey})}})},e.removePlaceholders=function(t){this.groupManager.removePlaceholders(t),this._syncGroups(!0)},e.setStatus=function(t,e){this.itemRenderer.setStatus(t.itemRenderer),this.containerManager.setStatus(t.containerManager),this.scrollManager.setStatus(t.scrollManager);var n=this.groupManager,r=this.containerManager.getInlineSize();n.setGroupStatus(t.groupManager),this._syncInfinite(),this.infinite.setCursors(n.getStartCursor(),n.getEndCursor()),this._getRenderer().updateKey();r={isReisze:this.containerManager.getInlineSize()!==r,isRestore:!0};return e?this._render(r):this._update(r),this},e.removeGroupByIndex=function(t){var e=this.groupManager.getGroups();return this.removeGroupByKey(e[t].groupKey)},e.removeGroupByKey=function(e){var t=this.groupManager.getItems(),n=Wt(t,function(t){return t.groupKey===e}),r=Zt(t,function(t){return t.groupKey===e});return-1===n?this:(t.splice(n,r-n+1),this.syncItems(t))},e.removeByIndex=function(t){var e=this.getItems(!0);return e.splice(t,1),this.syncItems(e)},e.removeByKey=function(e){var t=Wt(this.getItems(!0),function(t){return t.key===e});return this.removeByIndex(t)},e.updateItems=function(t,e){return this.groupManager.updateItems(t,e=void 0===e?{}:e),this},e.getItems=function(t){return this.groupManager.getGroupItems(t)},e.getVisibleItems=function(t){return this.groupManager.getVisibleItems(t)},e.getRenderingItems=function(){return this.groupManager.getRenderingItems()},e.getGroups=function(t){return this.groupManager.getGroups(t)},e.getVisibleGroups=function(t){return this.groupManager.getVisibleGroups(t)},e.wait=function(t){this._waitType=t=void 0===t?xt.END:t,this._checkStartLoading(t)},e.ready=function(){this._waitType=""},e.isWait=function(){return!!this._waitType},e.destroy=function(){this.off(),this.groupManager.destroy(),this.scrollManager.destroy(),this.infinite.destroy()},e._getRenderer=function(){return this.options.renderer},e._render=function(t){this._getRenderer().render(this.getRenderingItems().map(function(t){return{element:t.element,key:t.type+"_"+t.key,orgItem:t}}),t)},e._update=function(t){void 0===t&&(t={}),this._getRenderer().update(t)},e._resizeScroll=function(){var t=this.scrollManager;t.resize(),this.infinite.setSize(t.getContentSize())},e._syncGroups=function(t){var e=this.infinite;this._syncInfinite(),this.groupManager.setCursors(e.getStartCursor(),e.getEndCursor()),t?this._update():this._render()},e._syncInfinite=function(){this.infinite.syncItems(this.getGroups(!0).map(function(t){var e=t.groupKey,n=t.grid,t=t.type,n=n.getOutlines();return{key:e,isVirtual:t===zt.VIRTUAL,startOutline:n.start,endOutline:n.end}}))},e._scroll=function(){this.infinite.scroll(this.scrollManager.getRelativeScrollPos())},e._onRequestInsert=function(t,e,n){var r=this;this._waitType?this._checkStartLoading(this._waitType):this.trigger(new R(e,{groupKey:n.key,nextGroupKey:n.nextKey,isVirtual:n.isVirtual,wait:function(){r.wait(t)},ready:function(){r.ready()}}))},e._checkStartLoading=function(t){var e=this.groupManager,n=this.infinite;!e.getLoadingType()&&n.isLoading(t)&&e.startLoading(t)&&e.hasLoadingItem()&&this._update()},e._checkEndLoading=function(){var t=this.groupManager,e=this.groupManager.getLoadingType();!e||this._waitType&&this.infinite.isLoading(e)||!t.endLoading()||!t.hasLoadingItem()||this._update()},t.defaultOptions=y(y({},et),{container:!1,containerTag:"div",renderer:null,threshold:100,useRecycle:!0}),t.propertyTypes=bt,n([qt],t)}(t),se={__proto__:null,default:oe,withInfiniteGridMethods:e,getRenderingItems:function(t,e){var n,r,i=e.status,o=e.usePlaceholder,s=e.useLoading,a=e.horizontal,u=e.useFirstRender,c=e.grid,e=[];return c?(c.setPlaceholder(o?{}:null),c.setLoading(s?{}:null),c.syncItems(t),e=c.getRenderingItems()):i?(s=i.groupManager,c=t,i=!!o,r=!!a,o=s.groups,c=Kt(c),c=h(Ft(o,"start",c),c,Ft(o,"end",c)),s=(o=jt(o.map(function(t){return t.groupKey}),c.map(function(t){return t.groupKey}),s.cursors[0],s.cursors[1])).startCursor,o=o.endCursor,o=Ut(c.slice(s,o+1).map(function(t){return t.items.map(function(t){return new Nt(r,y({},t))})})),e=o=i?o:o.filter(function(t){return t.type!==Ct.VIRTUAL})):u&&(n=!!a,e=(t=Kt(t=t))[0]?t[0].items.map(function(t){return new Nt(n,y({},t))}):[]),e},mountRenderingItems:function(t,e){var n=e.grid,r=e.usePlaceholder,i=e.useLoading,o=e.useFirstRender,e=e.status;n&&(r&&n.setPlaceholder({}),i&&n.setLoading({}),e&&n.setStatus(e,!0),n.syncItems(t),o&&!e&&n.getGroups().length&&n.setCursors(0,0,!0))},InfiniteGridItem:Nt,MasonryInfiniteGrid:function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),e.propertyTypes=y(y({},oe.propertyTypes),pt.propertyTypes),e.defaultOptions=y(y(y({},oe.defaultOptions),pt.defaultOptions),{gridConstructor:pt}),n([qt],e)}(oe),JustifiedInfiniteGrid:function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),e.propertyTypes=y(y({},oe.propertyTypes),yt.propertyTypes),e.defaultOptions=y(y(y({},oe.defaultOptions),yt.defaultOptions),{gridConstructor:yt}),n([qt],e)}(oe),FrameInfiniteGrid:function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),e.propertyTypes=y(y({},oe.propertyTypes),Et.propertyTypes),e.defaultOptions=y(y(y({},oe.defaultOptions),Et.defaultOptions),{gridConstructor:Et}),n([qt],e)}(oe),PackingInfiniteGrid:function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),e.propertyTypes=y(y({},oe.propertyTypes),Ot.propertyTypes),e.defaultOptions=y(y(y({},oe.defaultOptions),Ot.defaultOptions),{gridConstructor:Ot}),n([qt],e)}(oe),Renderer:d,IS_IOS:Tt,CONTAINER_CLASS_NAME:Mt,IGNORE_PROPERITES_MAP:wt,INFINITEGRID_PROPERTY_TYPES:bt,DIRECTION:xt,INFINITEGRID_EVENTS:Dt,ITEM_INFO_PROPERTIES:Lt,INFINITEGRID_METHODS:g,get GROUP_TYPE(){return zt},get ITEM_TYPE(){return Ct},get STATUS_TYPE(){return Pt},INVISIBLE_POS:-9999};for(te in se)oe[te]=se[te];return oe});
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