stargazer114.github.io/pluginsSrc/@egjs/infinitegrid/dist/infinitegrid.min.js

/*
Copyright (c) NAVER Corp.
name: @egjs/infinitegrid
license: MIT
author: NAVER Corp.
repository: https://github.com/naver/egjs-infinitegrid
version: 4.12.0
*/
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n=d.call(this)||this,t=(n.items=[],n.outlines={start:[],end:[]},n._renderTimer=0,n._onResize=function(e){e.isResizeContainer?n._renderItems({useResize:!0},!0):0<(e=me(n.items,e.childEntries)).length&&n.updateItems(e)},n.options=p(p({},n.constructor.defaultOptions),t),n.containerElement=ve(e)?document.querySelector(e):e,n.options),e=t.isEqualSize,i=t.isConstantSize,r=t.useTransform,o=t.horizontal,s=t.percentage,a=t.externalContainerManager,u=t.externalItemRenderer,c=t.resizeDebounce,h=t.maxResizeDebounce,l=t.autoResize,f=t.useRoundedSize,t=t.useResizeObserver;return n.containerManager=a||new Oe(n.containerElement,{horizontal:o,resizeDebounce:c,maxResizeDebounce:h,autoResize:l,useResizeObserver:t}).on("resize",n._onResize),n.itemRenderer=u||new Pe({useTransform:r,isEqualSize:e,isConstantSize:i,percentage:s,useRoundedSize:f}),n._init(),n}r(e,d);var t=e.prototype;return t.getContainerElement=function(){return this.containerElement},t.getItems=function(){return this.items},t.getChildren=function(){return[].slice.call(this.containerElement.children)},t.setItems=function(e){e.forEach(function(e,t){e.index=t});var t=this.options;return t.useResizeObserver&&t.observeChildren&&((t=this.containerManager).unobserveChildren(Re(this.items)),t.observeChildren(Re(e))),this.items=e,this},t.getContainerInlineSize=function(){return this.containerManager.getInlineSize()},t.getOutlines=function(){return this.outlines},t.setOutlines=function(e){return this.outlines=e,this},t.syncElements=function(e){void 0===e&&(e={});var n=this.items,t=this.options.horizontal,i=this.getChildren(),r=H(this.items.map(function(e){return e.element}),i),o=r.added,s=r.maintained,a=r.changed,r=r.removed,u=[];return s.forEach(function(e){var t=e[0],e=e[1];u[e]=n[t]}),o.forEach(function(e){u[e]=new be(t,{element:i[e]})}),this.setItems(u),(o.length||r.length||a.length)&&this.renderItems(e),this},t.updateItems=function(e,t){void 0===e&&(e=this.items);var n=(t=void 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be(n,p(p({},e),{element:o[t]}))}),this.itemRenderer.renderItems(this.items),r!==i.getInlineSize()?this.renderItems({useResize:!0}):window.setTimeout(function(){t._renderComplete({direction:t.defaultDirection,mounted:t.items,updated:[],isResize:!1})}),this},t.getComputedOutlineSize=function(e){return void 0===e&&(e=this.items),this.options.outlineSize||this.getContainerInlineSize()},t.getComputedOutlineLength=function(e){return void 0===e&&(e=this.items),this.options.outlineLength||1},t.destroy=function(e){var e=(e=void 0===e?{}:e).preserveUI,e=void 0===e?this.options.preserveUIOnDestroy:e;this.containerManager.destroy({preserveUI:e}),e||this.items.forEach(function(e){var t=e.element,e=e.orgCSSText;t&&(t.style.cssText=e)}),null!=(e=this._im)&&e.destroy()},t.getInlineGap=function(){return this._getDirectionalGap("inline")},t.getContentGap=function(){return this._getDirectionalGap("content")},t.checkReady=function(n){var i=this,e=(void 0===n&&(n={}),this.items),r=e.filter(function(e){var 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t=r[e.index];t.updateState=g.NEED_UPDATE,e.isPreReadyOver&&(t.isRestoreOrgCSSText&&(t.element.style.cssText=t.orgCSSText),i._updateItems([t]),i.readyItems([],[t],n))}).on("error",function(e){var t=r[e.index];i.trigger("contentError",{element:e.element,target:e.target,item:t,update:function(){o.push(t)}})}).on("ready",function(){o.length&&i.updateItems(o)}).check(r.map(function(e){return e.element}))},t.scheduleRender=function(){var e=this;this._clearRenderTimer(),this._renderTimer=window.setTimeout(function(){e.renderItems()})},t.fitOutlines=function(e){void 0===e&&(e=this.useFit);var t=this.outlines,n=t.start,i=t.end,r=n.length?Math.min.apply(Math,n):0;!e&&0<r||(t.start=n.map(function(e){return e-r}),t.end=i.map(function(e){return e-r}),this.items.forEach(function(e){var t=e.cssContentPos;ze(t)&&(e.cssContentPos=t-r)}))},t.readyItems=function(e,t,n){var 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t=this.options.horizontal,n=this.options.gap;return"number"==typeof n?n:null!=(t=t&&"inline"===e||!t&&"content"===e?n.vertical:n.horizontal)?t:y.gap},t._renderComplete=function(e){this.trigger("renderComplete",e)},t._clearRenderTimer=function(){clearTimeout(this._renderTimer),this._renderTimer=0},t._refreshContainerContentSize=function(){var e=this.outlines,t=e.start,e=e.end,n=this.getContentGap(),e=e.length?Math.max.apply(Math,e):0,t=t.length?Math.max.apply(Math,t):0,t=Math.max(t,e-n);this.containerManager.setContentSize(t)},t._resizeContainer=function(){this.containerManager.resize(),this.itemRenderer.setContainerRect(this.containerManager.getRect())},t._init=function(){this._resizeContainer()},t._renderItems=function(e,t){void 0===e&&(e={}),this._clearRenderTimer();var 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this.startCursor},t.getEndCursor=function(){return this.endCursor},t.getGroupStatus=function(e,t){var n,i=this.startCursor,r=this.endCursor,o=this.groups,s=o[i],a=o[r],u=i,c=r,h=e===_.MINIMIZE_INVISIBLE_ITEMS,l=e===_.MINIMIZE_INVISIBLE_GROUPS;if(e===_.REMOVE_INVISIBLE_GROUPS)n=this.getVisibleGroups(t),c=n.length-1,u=0;else if(n=this.getGroups(t),!t){for(var u=-1,c=-1,f=i;f<=r;++f)if((d=o[f])&&d.type!==P.VIRTUAL){u=n.indexOf(d);break}for(var d,f=r;i<=f;--f)if((d=o[f])&&d.type!==P.VIRTUAL){c=n.lastIndexOf(d);break}}var e=n.map(function(e,t){var n=e.grid,e=e.groupKey,t=t<u||c<t,i=h&&t,t=l&&t,r=n.getItems(),r=t?[]:r.map(function(e){return i?e.getVirtualStatus():e.getMinimizedStatus()});return{type:t||i?P.VIRTUAL:P.NORMAL,groupKey:e,outlines:n.getOutlines(),items:r}}),t=this.getGroupItems(),p=t.indexOf(null==s?void 0:s.items[0]),t=t.indexOf(null==a?void 0:a.items.slice().reverse()[0]);return{cursors:[u,c],orgCursors:[i,r],itemCursors:[p,t],startGroupKey:null==s?void 0:s.groupKey,endGroupKey:null==a?void 0:a.groupKey,groups:e,outlines:this.outlines}},t.fitOutlines=function(e){void 0===e&&(e=this.useFit);var t,i,n=this.groups;n[0]&&(t=this.outlines.start,i=t.length?Math.min.apply(Math,t):0,!e&&0<i||(n.forEach(function(e){var e=e.grid,t=e.getOutlines(),n=t.start,t=t.end;e.setOutlines({start:n.map(function(e){return e-i}),end:t.map(function(e){return e-i})})}),this.groupItems.forEach(function(e){var t=e.cssContentPos;Qe(t)&&(e.cssContentPos=t-i)})))},t.setGroupStatus=function(e){var o=this,s=(this.itemKeys={},this.groupItems=[],this.items=[],this.groupKeys),t=e.groups.map(function(e){var t=e.type,n=e.groupKey,i=e.items,e=e.outlines,i=o._syncItemInfos(i),r=null!=(r=null==(r=s[n])?void 0:r.grid)?r:o._makeGrid();return r.setOutlines(e),r.setItems(i),{type:t,groupKey:n,grid:r,items:i,renderItems:i}});this.setOutlines(e.outlines),this._registerGroups(t),this._updatePlaceholder(),this.setCursors(e.cursors[0],e.cursors[1])},t.appendPlaceholders=function(e,t){return this.insertPlaceholders("end",e,t)},t.prependPlaceholders=function(e,t){return this.insertPlaceholders("start",e,t)},t.removePlaceholders=function(e){var t,n,i=this.groups,r=i.length;"start"===e?(n=D(i,function(e){return e.type===P.NORMAL}),i.splice(0,n)):"end"===e?(n=ut(i,function(e){return e.type===P.NORMAL}),i.splice(n+1,r-n-1)):(t=e.groupKey,-1<(n=D(i,function(e){return e.groupKey===t}))&&i.splice(n,1)),this.syncItems(ht(this.getGroups()))},t.insertPlaceholders=function(e,t,n){void 0===n&&(n=rt(this.groupKeys,"virtual_"));var i=[],t=(Qe(t)?i=function(e){for(var t=[],n=0;n<e;++n)t.push(n);return t}(t).map(function(){return{type:b.VIRTUAL,groupKey:n}}):Array.isArray(t)&&(i=t.map(function(e){return I(I({groupKey:n},e),{type:b.VIRTUAL})})),this._makeGrid()),i=this._syncItemInfos(i,this.itemKeys),t=(this._updatePlaceholder(i),t.setItems(i),{type:P.VIRTUAL,groupKey:n,grid:t,items:i,renderItems:i});return this.groupKeys[n]=t,"end"===e?(this.groups.push(t),(e=this.groupItems).push.apply(e,i)):(this.groups.splice(0,0,t),(e=this.groupItems).splice.apply(e,f([0,0],i,!1)),-1<this.startCursor&&(++this.startCursor,++this.endCursor)),{group:t,items:i}},t.shouldRerenderItems=function(){var n=!1;return this.getVisibleGroups().forEach(function(e){var t=e.items;t.length===e.renderItems.length||t.every(function(e){return e.mountState===O.UNCHECKED})||(n=!0,e.renderItems=f([],t,!0))}),n&&(this.items=this._getRenderingItems()),n},t._updateItems=function(e){this.itemRenderer.updateEqualSizeItems(e,this.groupItems)},t._getGroupItems=function(){return ht(this.getGroups(!0))},t._getRenderingItems=function(){var e=$e(this.getVisibleGroups(!0).map(function(e){return e.renderItems})),t=this._loadingGrid,n=t.getLoadingItem();return n&&("end"===t.type?e.push(n):"start"===t.type&&e.unshift(n)),e},t._checkShouldRender=function(e){var t,n=this.options.gridConstructor,i=this.gridOptions,r=n.propertyTypes;for(t in i)if(!(t in e)&&r[t]===d.RENDER_PROPERTY)return!0;for(t in e)if(i[t]!==e[t]&&r[t]===d.RENDER_PROPERTY)return!0;return!1},t._applyVirtualGrid=function(e,t,n){var i=n.length?f([],n,!0):[0],n=e.getOutlines(),e=n["end"===t?"start":"end"];return e.length!==i.length||e.some(function(e,t){return e!==i[t]})?{start:f([],i,!0),end:f([],i,!0)}:n},t._syncItemInfos=function(e,r){void 0===r&&(r={});var o=this.options.horizontal,s=this.itemKeys;return e.filter(function(e){return null!=e.key}).forEach(function(e){var t=e.key,n=r[t];n?n.type===b.VIRTUAL&&e.type!==b.VIRTUAL?s[t]=new x(o,I({orgRect:n.orgRect,rect:n.rect},e)):(e.data&&(n.data=e.data),null!=e.groupKey&&(n.groupKey=e.groupKey),e.element&&(n.element=e.element),s[t]=n):s[t]=new x(o,I({},e))}),e.map(function(e){var t,n=e.key,i=(null==e.key&&(n=rt(s,e.type===b.VIRTUAL?"virtual_":"")),s[n]);return i||((t=r[n])?(i=t,e.data&&(i.data=e.data),e.element&&(i.element=e.element)):i=new x(o,I(I({},e),{key:n})),s[n]=i),i})},t._registerGroups=function(e){var t={};e.forEach(function(e){t[e.groupKey]=e}),this.groups=e,this.groupKeys=t,this.groupItems=this._getGroupItems()},t._splitVirtualGroups=function(e,t){var e=it(this.groups,e,t),n=this.itemKeys;return e.forEach(function(e){e.renderItems.forEach(function(e){n[e.key]=e})}),e},t._mergeVirtualGroups=function(e){var i=this.itemKeys,r=this.groupKeys;return e.forEach(function(e){var t,n=r[e.groupKey];n&&(t=e.items).every(function(e){return e.mountState===O.UNCHECKED})&&n.renderItems.forEach(function(e){e.type!==b.VIRTUAL||i[e.key]||(t.push(e),i[e.key]=e)})}),e},t._updatePlaceholder=function(e){void 0===e&&(e=this.groupItems);var o=this._placeholder;o&&e.filter(function(e){return e.type===b.VIRTUAL}).forEach(function(e){var t,n=e,i=o;for(t in i){var r=i[t];n[t]="object"==typeof r?I(I({},n[t]),r):i[t]}})},t._makeGrid=function(){var e=this.options.gridConstructor,t=this.gridOptions;return new e(this.containerElement,I(I({},t),{useFit:!1,autoResize:!1,useResizeObserver:!1,observeChildren:!1,renderOnPropertyChange:!1,externalContainerManager:this.containerManager,externalItemRenderer:this.itemRenderer}))},t._getLoadingGroup=function(){var e=this._loadingGrid,t=e.getItems();return{groupKey:"__INFINITEGRID__LOADING_GRID",type:P.NORMAL,grid:e,items:t,renderItems:t}},t._getLoadingItem=function(){return this._loadingGrid.getLoadingItem()},e.defaultOptions=I(I({},z.defaultOptions),{appliedItemChecker:function(){return!1},gridConstructor:null,gridOptions:{}}),e.propertyTypes=I(I({},z.propertyTypes),{gridConstructor:d.PROPERTY,gridOptions:d.PROPERTY}),n([S],e)}(z),mt=function(n){function e(e){var t=n.call(this)||this;return t.startCursor=-1,t.endCursor=-1,t.size=0,t.items=[],t.itemKeys={},t.options=I({threshold:0,useRecycle:!0,defaultDirection:"end"},e),t}o(e,n);var t=e.prototype;return t.scroll=function(n){var e=this.startCursor,t=this.endCursor,i=this.items,r=i.length,o=this.size,s=this.options,a=s.defaultDirection,u=s.threshold,s=s.useRecycle,a="end"===a;if(r)if(-1===e||-1===t)this.trigger("change",{prevStartCursor:e,prevEndCursor:t,nextStartCursor:h=a?0:r-1,nextEndCursor:h});else{var c=n+o,h=Math.max.apply(Math,i[e].startOutline),o=Math.min.apply(Math,i[t].endOutline),l=i.map(function(e){var t=e.startOutline,e=e.endOutline;return!(!t.length||!e.length||ct(t,e))&&(t=Math.min.apply(Math,t),e=Math.max.apply(Math,e),t-u<=c)&&n<=e+u}),f=0<e,d=t<r-1,h=n<=h+u,o=o-u<=c,p=l.indexOf(!0),g=l.lastIndexOf(!0),l=(-1===p&&(p=e,g=t),s||(p=Math.min(p,e),g=Math.max(g,t)),p===e&&f&&h&&--p,g===t&&d&&o&&(g+=1),i.slice(p,g+1));if(l.every(function(e){return!0===e.isVirtual})){for(var m=!1,y=p-1;0<=y;--y)if(!i[y].isVirtual){p=y,m=!0;break}if(!m)for(y=g+1;y<r;++y)if(!i[y].isVirtual){g=y,m=!0;break}m&&(l=i.slice(p,g+1))}var R,s=l.some(function(e){return!0===e.isVirtual});(e===p&&t===g||(this.trigger("change",{prevStartCursor:e,prevEndCursor:t,nextStartCursor:p,nextEndCursor:g}),s))&&(s?(d=null==(f=l[0])?void 0:f.isVirtual,f=null==(s=l[l.length-1])?void 0:s.isVirtual,a&&o||!d?!a&&h||!f||l[s=(R=ut(l,function(e){return!e.isVirtual}))+1]&&this.trigger("requestAppend",{key:-1<R?l[R].key:void 0,nextKey:l[s].key,nextKeys:l.slice(s).map(function(e){return e.key}),isVirtual:!0}):l[d=(-1===(R=D(l,function(e){return!e.isVirtual}))?l.length:R)-1]&&this.trigger("requestPrepend",{key:-1<R?l[R].key:void 0,nextKey:l[d].key,nextKeys:l.slice(0,1+d).map(function(e){return e.key}),isVirtual:!0})):this._requestVirtualItems()||(a&&o||!h?!a&&h||!o||this.trigger("requestAppend",{key:i[t].key,isVirtual:!1}):this.trigger("requestPrepend",{key:i[e].key,isVirtual:!1})))}else this.trigger(a?"requestAppend":"requestPrepend",{key:void 0,isVirtual:!1})},t._requestVirtualItems=function(){var e="end"===this.options.defaultDirection,t=this.items,n=this.getVisibleItems(),i=n.filter(function(e){return!e.isVirtual}),r=n.length,o=i.length,s=this.getStartCursor(),a=this.getEndCursor();if(o!==r)if(o){var u=i[0].key,c=i[o-1].key,i=D(t,function(e){return e.key===u})-1,o=D(t,function(e){return e.key===c})+1,a=o<=a,s=s<=i;if((e||!s)&&a)return this.trigger("requestAppend",{key:c,nextKey:t[o].key,isVirtual:!0}),!0;if((!e||!a)&&s)return this.trigger("requestPrepend",{key:u,nextKey:t[i].key,isVirtual:!0}),!0}else if(r)return o=n[r-1],e?this.trigger("requestAppend",{nextKey:n[0].key,isVirtual:!0}):this.trigger("requestPrepend",{nextKey:o.key,isVirtual:!0}),!0;return!1},t.setCursors=function(e,t){this.startCursor=e,this.endCursor=t},t.setSize=function(e){this.size=e},t.getStartCursor=function(){return this.startCursor},t.getEndCursor=function(){return this.endCursor},t.isLoading=function(e){var t=this.startCursor,n=this.endCursor,i=this.items,r=i[t],o=i[n],i=i.length;return!(e===T.END&&-1<n&&n<i-1&&!o.isVirtual&&!ct(o.startOutline,o.endOutline)||e===T.START&&0<t&&!r.isVirtual&&!ct(r.startOutline,r.endOutline))},t.setItems=function(e){this.items=e;var t={};e.forEach(function(e){t[e.key]=e}),this.itemKeys=t},t.syncItems=function(e){var t=this.items,n=this.startCursor,i=this.endCursor,r=nt(this.items.map(function(e){return e.key}),e.map(function(e){return e.key}),n,i),o=r.startCursor,r=r.endCursor,s=r-o!=i-n||-1===n||-1===o;return s||(s=0<(t=Y(t.slice(n,i+1),e.slice(o,r+1),function(e){return e.key})).added.length||0<t.removed.length||0<t.changed.length),this.setItems(e),this.setCursors(o,r),s},t.getItems=function(){return this.items},t.getVisibleItems=function(){var e=this.startCursor,t=this.endCursor;return-1===e?[]:this.items.slice(e,t+1)},t.getSize=function(){return this.size},t.getItemByKey=function(e){return this.itemKeys[e]},t.getItemPartByKey=function(t){var n;return this.items.forEach(function(e){null!=(e=e.parts)&&e.forEach(function(e){e.key===t&&(n=e)})}),n},t.getScrollSize=function(){var e=this.items,t=e.length;return t?Math.max.apply(Math,f([0],e[t-1].endOutline,!1)):0},t.getVisibleArea=function(n,e){var t,i,r,e=(e=void 0===e?this.options.defaultDirection:e)===T.END,o=this.getRenderedVisibleItems();return o.length?(t=o[e?0:length-1],i=e?Math.min.apply(Math,t.startOutline):Math.max.apply(Math,t.endOutline),e?o.forEach(function(e){null!=(e=e.parts)&&e.forEach(function(e){r&&r.pos>=e.pos||i<e.pos&&e.pos<=n&&(i=(r=e).pos)})}):o.forEach(function(e){null!=(e=e.parts)&&e.forEach(function(e){var t=e.pos+e.size;r&&r.pos+r.size<=t||t<i&&n<=t&&(r=e,i=t)})}),{item:t,part:r}):null},t.getRenderedVisibleItems=function(){var e=this.getVisibleItems(),t=e.map(function(e){var t=e.startOutline,n=e.endOutline,e=t.length;return 0!==e&&e===n.length&&t.some(function(e,t){return n[t]!==e})}),n=t.indexOf(!0),t=t.lastIndexOf(!0);return-1===t?[]:e.slice(n,t+1)},t.destroy=function(){this.off(),this.startCursor=-1,this.endCursor=-1,this.items=[],this.size=0},e}(i),e=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.items=[],e.container=null,e.rendererKey=0,e._updateTimer=0,e._state={},e._isItemChanged=!1,e}o(e,t);var n=e.prototype;return n.updateKey=function(){this.rendererKey=Date.now()},n.getItems=function(){return this.items},n.setContainer=function(e){this.container=e},n.render=function(e,t){return this.syncItems(e,t)},n.update=function(e){var t=this;void 0===e&&(e={}),this._state=I(I({},this._state),e),this.trigger("update",{state:e}),clearTimeout(this._updateTimer),this._updateTimer=window.setTimeout(function(){t.trigger("requestUpdate",{state:e})})},n.updated=function(n){void 0===n&&(n=null!=(e=null==(e=this.container)?void 0:e.children)?e:[]);var e=this._diffResult,t=!!(e.added.length||e.removed.length||e.changed.length),i=this._state,r=this._isItemChanged,e=e.list;return this._isItemChanged=!1,this._state={},(this.items=e).forEach(function(e,t){e.element=n[t]}),this.trigger("updated",{items:e,elements:at(n),diffResult:this._diffResult,state:i,isItemChanged:r,isChanged:t}),t},n.syncItems=function(e,t){void 0===t&&(t={});var n=this.rendererKey,e=Y(this.items,e.map(function(e){return I(I({},e),{renderKey:"".concat(n,"_").concat(e.key)})}),function(e){return e.renderKey});return this._isItemChanged=!!e.added.length||!!e.removed.length||!!e.changed.length,this._state=I(I({},this._state),t),this._diffResult=e},n.destroy=function(){this.off()},e}(i),yt=function(r){function e(){return null!==r&&r.apply(this,arguments)||this}return o(e,r),e.prototype.syncItems=function(n){var e=r.prototype.syncItems.call(this,n),t=e.added,i=e.list;return t.forEach(function(e){var t=n[e].orgItem;t.html&&!t.element&&(t.element=ot(t.html)[0]),i[e].element=t.element}),e},e}(function(u){function e(){return null!==u&&u.apply(this,arguments)||this}return o(e,u),e.prototype.render=function(e,t){var n=this.container,e=u.prototype.render.call(this,e,t),i=e.prevList,t=e.removed,r=e.ordered,o=e.added,s=e.list,a=f([],i,!0);return t.forEach(function(e){a.splice(e,1),n.removeChild(i[e].element)}),r.forEach(function(e){var t=e[0],e=e[1],t=a.splice(t,1)[0];a.splice(e,0,t),n.insertBefore(t.element,null!=(e=null==(t=a[e+1])?void 0:t.element)?e:null)}),o.forEach(function(e){var t=s[e];a.splice(e,0,t),n.insertBefore(t.element,null!=(e=null==(t=a[e+1])?void 0:t.element)?e:null)}),this.updated(n.children),e},e}(e)),Rt=function(i){function e(e,t){var n=i.call(this)||this;return n.wrapper=e,n.prevScrollPos=null,n.scrollOffset=0,n.contentSize=0,n._isScrollIssue=je,n._onCheck=function(){var e=n.getScrollPos(),t=n.getOrgScrollPos();n.setScrollPos(t),null===e||n._isScrollIssue&&0===t||e===t?t&&(n._isScrollIssue=!1):(n._isScrollIssue=!1,n.trigger(new C("scroll",{direction:e<t?"end":"start",scrollPos:t,relativeScrollPos:n.getRelativeScrollPos()})))},n.options=I({container:!1,containerTag:"div",horizontal:!1,scrollContainer:null},t),n._init(),n}o(e,i);var t=e.prototype;return t.getWrapper=function(){return this.wrapper},t.getContainer=function(){return this.container},t.getScrollContainer=function(){return this.scrollContainer},t.getScrollOffset=function(){return this.scrollOffset},t.getContentSize=function(){return this.contentSize},t.getRelativeScrollPos=function(){return(this.prevScrollPos||0)-this.scrollOffset},t.getScrollPos=function(){return this.prevScrollPos},t.setScrollPos=function(e){this.prevScrollPos=e},t.getOrgScrollPos=function(){var e=this.eventTarget,t=this.options.horizontal,n="scroll".concat(t?"Left":"Top");return Xe(e)?window[t?"pageXOffset":"pageYOffset"]||document.documentElement[n]||document.body[n]:e[n]},t.setStatus=function(e){this.contentSize=e.contentSize,this.scrollOffset=e.scrollOffset,this.prevScrollPos=e.prevScrollPos,this.scrollTo(this.prevScrollPos)},t.getStatus=function(){return{contentSize:this.contentSize,scrollOffset:this.scrollOffset,prevScrollPos:this.prevScrollPos}},t.scrollTo=function(e){var t=this.eventTarget,e=this.options.horizontal?[e,0]:[0,e],n=e[0],e=e[1];Xe(t)?t.scroll(n,e):(t.scrollLeft=n,t.scrollTop=e)},t.scrollBy=function(e){var t,n,i;e&&(t=this.eventTarget,n=(i=this.options.horizontal?[e,0]:[0,e])[0],i=i[1],this.prevScrollPos+=e,Xe(t)?t.scrollBy(n,i):(t.scrollLeft+=n,t.scrollTop+=i))},t.resize=function(){var e=this.scrollContainer,t=this.options.horizontal,n=e===document.body,i=n?{top:0,left:0}:e.getBoundingClientRect(),r=this.container.getBoundingClientRect();this.scrollOffset=(this.getOrgScrollPos()||0)+(t?r.left-i.left:r.top-i.top),this.contentSize=n?t?window.innerWidth:window.innerHeight:t?e.offsetWidth:e.offsetHeight},t.destroy=function(){var e,t,n,i=this.container;this.eventTarget.removeEventListener("scroll",this._onCheck),this._isCreateElement?(e=this.scrollContainer,t=document.createDocumentFragment(),n=at(i.childNodes),e.removeChild(i),n.forEach(function(e){t.appendChild(e)}),e.appendChild(t)):this.options.container&&(i.style.cssText=this._orgCSSText)},t._init=function(){var e=this.options,t=e.container,n=e.containerTag,i=e.horizontal,e=e.scrollContainer,r=this.wrapper,o=r,s=r,r="",n=(t?(!0===t?((s=document.createElement(n)).style.position="relative",s.className=Fe,at(o.childNodes).forEach(function(e){s.appendChild(e)}),o.appendChild(s),this._isCreateElement=!0):s=Ze(t),r=s.style.cssText,(n=o.style).overflowX=(t=i?["scroll","hidden"]:["hidden","scroll"])[0],n.overflowY=t[1],i&&(s.style.height="100%")):(o=Ze(e)||document.body,r=s.style.cssText),o===document.body?window:o);n.addEventListener("scroll",this._onCheck),this._orgCSSText=r,this.container=s,this.scrollContainer=o,this.eventTarget=n,this.resize(),this.setScrollPos(this.getOrgScrollPos())},e}(i),L=function(_){function e(e,t){var g=_.call(this)||this,t=(g._waitType="",g._onScroll=function(e){var t=e.direction,n=e.scrollPos,e=e.relativeScrollPos;g._scroll(),g.trigger(new C(M.CHANGE_SCROLL,{direction:t,scrollPos:n,relativeScrollPos:e}))},g._onChange=function(e){g.setCursors(e.nextStartCursor,e.nextEndCursor)},g._onRendererUpdated=function(e){var t,n,r,o,i,s,a;e.items.forEach(function(e){e.orgItem.element=e.element}),e.isChanged?(t=(i=e.diffResult).added,a=i.removed,n=i.prevList,r=i.list,a.forEach(function(e){e=n[e].orgItem;e.mountState!==O.UNCHECKED&&(e.mountState=O.UNMOUNTED)}),o=g.options.horizontal,i=t.map(function(e){var t,n,e=r[e].orgItem,i=e.element;return e.type===b.VIRTUAL?(t=I({},e.cssRect),n=e.rect,!t.width&&n.width&&(t.width=n.width),!t.height&&n.height&&(t.height=n.height),new be(o,{element:i,cssRect:t})):e}),s=g.containerManager,g.options.observeChildren&&(s.unobserveChildren(a.map(function(e){return n[e].element})),s.observeChildren(t.map(function(e){return r[e].element}))),s=(a=e.state).isRestore,a=a.isResize,g.itemRenderer.renderItems(i),s&&g._onRenderComplete({mounted:t.map(function(e){return r[e].orgItem}),updated:[],isResize:!1,direction:g.defaultDirection}),s&&!a&&!e.isItemChanged||g.groupManager.renderItems()):(g._checkEndLoading(),g._scroll())},g._onResize=function(e){e.isResizeContainer?g._renderItems({useResize:!0},!0):0<(e=me(g.getVisibleItems(),e.childEntries)).length&&g.updateItems(e)},g._onRequestAppend=function(e){g._onRequestInsert(T.END,M.REQUEST_APPEND,e)},g._onRequestPrepend=function(e){g._onRequestInsert(T.START,M.REQUEST_PREPEND,e)},g._onContentError=function(e){var t=e.element,n=e.target,i=e.item,e=e.update;g.trigger(new C(M.CONTENT_ERROR,{element:t,target:n,item:i,update:e,remove:function(){g.removeByKey(i.key)}}))},g._onRenderComplete=function(e){var t,n,i,r=e.isResize,o=e.mounted,s=e.updated,e=e.direction,a=g.infinite,u=g.scrollManager.getRelativeScrollPos(),c=a.getScrollSize(),h=a.getSize(),l=a.getVisibleArea(u,e),f=e===T.END,d=(g._syncInfinite(),l&&(d=l.part,l=l.item,n=i=void 0,d&&(i=a.getItemPartByKey(d.key)),l&&(n=a.getItemByKey(l.key)),i||n)&&(p=t=0,t=i?(p=i.pos+(f?0:i.size),d.pos+(f?0:d.size)):(i=Math.min.apply(Math,l.startOutline),d=Math.max.apply(Math,l.endOutline),l=Math.min.apply(Math,n.startOutline),n=Math.max.apply(Math,n.endOutline),p=f?l:n,f?i:d),(l=p-t)<0&&(n=a.getScrollSize(),f=a.getSize(),i=Math.max(u-Math.max(0,c-h),0),l+=u-(Math.min(u,Math.max(0,n-f))+i)),g.scrollManager.scrollBy(l)),o.filter(function(e){return e.type!==b.LOADING})),p=(g.trigger(new C(M.RENDER_COMPLETE,{isResize:r,direction:e,mounted:d,updated:s.filter(function(e){return e.type!==b.LOADING}),startCursor:g.getStartCursor(),endCursor:g.getEndCursor(),items:g.getVisibleItems(!0),groups:g.getVisibleGroups(!0)})),g.groupManager.shouldRerenderItems());(p=d.length||s.length?p||!!g.groupManager.endLoading():p)?g._update():(g._checkEndLoading(),g._scroll())},g.options=I(I(I({},g.constructor.defaultOptions),{renderer:(new yt).on("requestUpdate",function(){return g._render()})}),t),g.options),n=t.gridConstructor,i=t.containerTag,r=t.container,o=t.renderer,s=t.threshold,a=t.useRecycle,u=t.scrollContainer,c=t.appliedItemChecker,t=k(t,["gridConstructor","containerTag","container","renderer","threshold","useRecycle","scrollContainer","appliedItemChecker"]),h=t.horizontal,l=t.attributePrefix,f=t.useTransform,d=t.percentage,p=t.isConstantSize,m=t.isEqualSize,y=t.autoResize,R=t.useResizeObserver,v=t.resizeDebounce,S=t.maxResizeDebounce,z=t.defaultDirection,E=t.useRoundedSize,e=Je(e)?document.querySelector(e):e,u=new Rt(e,{scrollContainer:u,container:r,containerTag:i,horizontal:h}).on({scroll:g._onScroll}),r=u.getContainer(),i=new Oe(r,{horizontal:h,autoResize:y,resizeDebounce:v,maxResizeDebounce:S,useResizeObserver:R}).on("resize",g._onResize),y=new Pe({attributePrefix:l,horizontal:h,useTransform:f,percentage:d,isEqualSize:m,isConstantSize:p,useRoundedSize:E}),v=new mt({defaultDirection:z,useRecycle:a,threshold:s}).on({change:g._onChange,requestAppend:g._onRequestAppend,requestPrepend:g._onRequestPrepend}),S=(v.setSize(u.getContentSize()),new gt(r,{appliedItemChecker:c,gridConstructor:n,externalItemRenderer:y,externalContainerManager:i,gridOptions:t}));return S.on({renderComplete:g._onRenderComplete,contentError:g._onContentError}),o.setContainer(r),o.on("updated",g._onRendererUpdated),g.itemRenderer=y,g.groupManager=S,g.wrapperElement=e,g.scrollManager=u,g.containerManager=i,g.infinite=v,g.containerManager.resize(),g}o(e,_);var t=e.prototype;return t.renderItems=function(e){return this._renderItems(e=void 0===e?{}:e),this},t.getWrapperElement=function(){return this.scrollManager.getWrapper()},t.getScrollContainerElement=function(){return this.scrollManager.getScrollContainer()},t.getContainerElement=function(){return this.scrollManager.getContainer()},t.syncItems=function(e){return this.groupManager.syncItems(e),this._syncGroups(),this},t.setCursors=function(e,t,n){return this.groupManager.setCursors(e,t),this.infinite.setCursors(e,t),n?(this.getVisibleItems().forEach(function(e){e.cssRect.top===We&&(e.cssRect={})}),this._syncItems()):(this._update(),this._checkEndLoading()),this},t.getStartCursor=function(){return this.infinite.getStartCursor()},t.getEndCursor=function(){return this.infinite.getEndCursor()},t.append=function(e,t){return this.insert(-1,e,t)},t.prepend=function(e,t){return this.insert(0,e,t)},t.insert=function(e,t,n){var i=this.groupManager.getGroupItems(),t=st(t,n);return-1===e?i.push.apply(i,t):i.splice.apply(i,f([e,0],t,!1)),this.syncItems(i)},t.insertByGroupIndex=function(e,t,n){var i,r,e=this.groupManager.getGroups()[e];return e?(i=this.groupManager.getGroupItems(),r=e.groupKey,e=D(i,function(e){return e.groupKey===r}),this.insert(e,t,n)):this.append(t,n)},t.getStatus=function(e,t){return{containerManager:this.containerManager.getStatus(),itemRenderer:this.itemRenderer.getStatus(),groupManager:this.groupManager.getGroupStatus(e,t),scrollManager:this.scrollManager.getStatus()}},t.setPlaceholder=function(e){return this.groupManager.setPlaceholder(e),this},t.setLoading=function(e){return this.groupManager.setLoading(e),this},t.appendPlaceholders=function(e,t){var n=this,i=this.groupManager.appendPlaceholders(e,t);return this._syncGroups(!0),I(I({},i),{remove:function(){n.removePlaceholders({groupKey:i.group.groupKey})}})},t.prependPlaceholders=function(e,t){var n=this,i=this.groupManager.prependPlaceholders(e,t);return this._syncGroups(!0),I(I({},i),{remove:function(){n.removePlaceholders({groupKey:i.group.groupKey})}})},t.removePlaceholders=function(e){this.groupManager.removePlaceholders(e),this._syncGroups(!0)},t.setStatus=function(e,t){this.itemRenderer.setStatus(e.itemRenderer),this.containerManager.setStatus(e.containerManager),this.scrollManager.setStatus(e.scrollManager);var n=this.groupManager,i=this.containerManager.getInlineSize(),e=(n.setGroupStatus(e.groupManager),this._syncInfinite(),this.infinite.setCursors(n.getStartCursor(),n.getEndCursor()),this._getRenderer().updateKey(),{isResize:this.containerManager.getInlineSize()!==i,isRestore:!0});return t?this._syncItems(e):this._update(e),this},t.removeGroupByIndex=function(e){var t=this.getGroups();return this.removeGroupByKey(t[e].groupKey)},t.removeGroupByKey=function(t){var e=this.getItems(),n=D(e,function(e){return e.groupKey===t}),i=ut(e,function(e){return e.groupKey===t});return-1===n?this:(e.splice(n,i-n+1),this.syncItems(e))},t.removeByIndex=function(e){var t=this.getItems(!0);return t.splice(e,1),this.syncItems(t)},t.removeByKey=function(t){var e=D(this.getItems(!0),function(e){return e.key===t});return this.removeByIndex(e)},t.updateItems=function(e,t){return this.groupManager.updateItems(e,t=void 0===t?{}:t),this},t.getItems=function(e){return this.groupManager.getGroupItems(e)},t.getVisibleItems=function(e){return this.groupManager.getVisibleItems(e)},t.getRenderingItems=function(){return this.groupManager.getRenderingItems()},t.getGroups=function(e){return this.groupManager.getGroups(e)},t.getVisibleGroups=function(e){return this.groupManager.getVisibleGroups(e)},t.wait=function(e){this._waitType=e=void 0===e?T.END:e,this._checkStartLoading(e)},t.ready=function(e){this._waitType="",e&&(this.groupManager.waitEndLoading(),this.groupManager.endLoading())&&this._update()},t.isWait=function(){return!!this._waitType},t.destroy=function(){this.off(),this._getRenderer().destroy(),this.containerManager.destroy(),this.groupManager.destroy(),this.scrollManager.destroy(),this.infinite.destroy()},t._getRenderer=function(){return this.options.renderer},t._getRendererItems=function(){return this.getRenderingItems().map(function(e){return{element:e.element,key:"".concat(e.type,"_").concat(e.key),orgItem:e}})},t._syncItems=function(e){this._getRenderer().syncItems(this._getRendererItems(),e)},t._render=function(e){this._getRenderer().render(this._getRendererItems(),e)},t._update=function(e){void 0===e&&(e={}),this._getRenderer().update(e)},t._resizeScroll=function(){var e=this.scrollManager;e.resize(),this.infinite.setSize(e.getContentSize())},t._syncGroups=function(e){var t=this.infinite;this.scrollManager.getContentSize()||this._resizeScroll(),this._syncInfinite(),this.groupManager.setCursors(t.getStartCursor(),t.getEndCursor()),e?this._update():this._render()},t._syncInfinite=function(){this.infinite.syncItems(this.getGroups(!0).map(function(e){var t=e.groupKey,n=e.grid,e=e.type,i=n.getOutlines();return{key:t,isVirtual:e===P.VIRTUAL,startOutline:i.start,endOutline:i.end,parts:n.getItems().map(function(e){return{key:e.key,pos:e.computedContentPos,size:e.computedContentSize}})}}))},t._scroll=function(){this.infinite.scroll(this.scrollManager.getRelativeScrollPos())},t._onRequestInsert=function(e,t,n){var i=this;this._waitType?this._checkStartLoading(this._waitType):this.trigger(new C(t,{groupKey:n.key,nextGroupKey:n.nextKey,nextGroupKeys:n.nextKeys||[],isVirtual:n.isVirtual,wait:function(){i.wait(e)},ready:function(e){i.ready(e)}}))},t._renderItems=function(e,t){return void 0===e&&(e={}),!t&&e.useResize&&this.containerManager.resize(),this._resizeScroll(),this.getRenderingItems().length?this.getVisibleGroups(!0).length?this.groupManager.renderItems(e):this.setCursors(0,0):0<(t=at(this.getContainerElement().children)).length?(this.groupManager.syncItems(st(t)),this._syncInfinite(),this.setCursors(0,0,!0),this._getRenderer().updated()):this.infinite.scroll(0),this},t._checkStartLoading=function(e){var t=this.groupManager,n=this.infinite;!t.getLoadingType()&&n.isLoading(e)&&t.startLoading(e)&&t.hasLoadingItem()&&this._update()},t._checkEndLoading=function(){var e=this.groupManager,t=this.groupManager.getLoadingType();!t||this._waitType&&this.infinite.isLoading(t)||!e.waitEndLoading()||!e.hasLoadingItem()||this._update()},e.defaultOptions=I(I({},y),{container:!1,containerTag:"div",renderer:null,threshold:100,useRecycle:!0,scrollContainer:null,appliedItemChecker:function(){return!1}}),e.propertyTypes=Ye,n([w],e)}(i),vt={__proto__:null,default:L,withInfiniteGridMethods:ft,getRenderingItems:function(e,t){var n,i,r,o,s=t.status,a=t.usePlaceholder,u=t.useLoading,c=t.horizontal,h=t.useFirstRender,t=t.grid,l=[];return t?(t.setPlaceholder(a?{}:null),t.setLoading(u?{}:null),t.syncItems(e),l=t.getRenderingItems()):s?(u=s.groupManager,t=e,s=!!a,i=!!c,a=u.groups,t=tt(t),r=it(a,"start",t),o=it(a,"end",t),r=f(f(f([],r,!0),t,!0),o,!0),o=(t=nt(a.map(function(e){return e.groupKey}),r.map(function(e){return e.groupKey}),u.cursors[0],u.cursors[1])).startCursor,a=t.endCursor,u=$e(r.slice(o,a+1).map(function(e){return e.items.map(function(e){return new x(i,I({},e))})})),l=u=s?u:u.filter(function(e){return e.type!==b.VIRTUAL})):h&&(n=!!c,l=(t=tt(t=e))[0]?t[0].items.map(function(e){return new x(n,I({},e))}):[]),l},mountRenderingItems:function(e,t){var n=t.grid,i=t.usePlaceholder,r=t.useLoading,o=t.useFirstRender,t=t.status;n&&(i&&n.setPlaceholder({}),r&&n.setLoading({}),t&&n.setStatus(t,!0),n.syncItems(e),o)&&!t&&n.getGroups().length&&n.setCursors(0,0,!0)},InfiniteGridItem:x,MasonryInfiniteGrid:function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o(t,e),t.propertyTypes=I(I({},L.propertyTypes),Me.propertyTypes),t.defaultOptions=I(I(I({},L.defaultOptions),Me.defaultOptions),{gridConstructor:Me,appliedItemChecker:function(e,t){return(parseFloat(e.attributes.column)||0)>=t.outlineLength}}),n([w],t)}(L),JustifiedInfiniteGrid:function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o(t,e),t.propertyTypes=I(I({},L.propertyTypes),Ne.propertyTypes),t.defaultOptions=I(I(I({},L.defaultOptions),Ne.defaultOptions),{gridConstructor:Ne}),n([w],t)}(L),FrameInfiniteGrid:function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o(t,e),t.propertyTypes=I(I({},L.propertyTypes),Ke.propertyTypes),t.defaultOptions=I(I(I({},L.defaultOptions),Ke.defaultOptions),{gridConstructor:Ke}),n([w],t)}(L),PackingInfiniteGrid:function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o(t,e),t.propertyTypes=I(I({},L.propertyTypes),Ue.propertyTypes),t.defaultOptions=I(I(I({},L.defaultOptions),Ue.defaultOptions),{gridConstructor:Ue}),n([w],t)}(L),Renderer:e,IS_IOS:je,CONTAINER_CLASS_NAME:Fe,IGNORE_PROPERITES_MAP:qe,INFINITEGRID_PROPERTY_TYPES:Ye,DIRECTION:T,INFINITEGRID_EVENTS:M,ITEM_INFO_PROPERTIES:Be,INFINITEGRID_METHODS:t,get GROUP_TYPE(){return P},get ITEM_TYPE(){return b},get STATUS_TYPE(){return _},INVISIBLE_POS:We};for(pt in vt)L[pt]=vt[pt];return L});
//# sourceMappingURL=infinitegrid.min.js.map