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1this.isDestroyed||(e.shuffle=this,this.emit(t,e))}},{key:"_resetCols",value:function(){var t=this.cols;for(this.positions=[];t;)t-=1,this.positions.push(0)}},{key:"_layout",value:function(t){var e=this,n=this._getNextPositions(t),i=0;t.forEach((function(t,r){function s(){t.applyCss(I.Css.VISIBLE.after)}if(g.equals(t.point,n[r])&&!t.isHidden)return t.applyCss(I.Css.VISIBLE.before),void s();t.point=n[r],t.scale=I.Scale.VISIBLE,t.isHidden=!1;var o=e.getStylesForTransition(t,I.Css.VISIBLE.before);o.transitionDelay=e._getStaggerAmount(i)+"ms",e._queue.push({item:t,styles:o,callback:s}),i+=1}))}},{key:"_getNextPositions",value:function(t){var n=this;if(this.options.isCentered){var i=t.map((function(t,i){var r=e.getSize(t.element,!0),s=n._getItemPosition(r);return new _(s.x,s.y,r.width,r.height,i)}));return this.getTransformedPositions(i,this.containerWidth)}return t.map((function(t){return n._getItemPosition(e.getSize(t.element,!0))}))}},{key:"_getItemPosition",value:function(t){return function(t){for(var e=t.itemSize,n=t.positions,i=t.gridSize,r=t.total,s=t.threshold,o=t.buffer,a=z(e.width,i,r,s),u=M(n,a,r),l=O(u,o),c=new g(i*l,u[l]),h=u[l]+e.height,f=0;f<a;f++)n[l+f]=h;return c}({itemSize:t,positions:this.positions,gridSize:this.colWidth,total:this.cols,threshold:this.options.columnThreshold,buffer:this.options.buffer})}},{key:"getTransformedPositions",value:function(t,e){return j(t,e)}},{key:"_shrink",value:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this._getConcealedItems(),n=0;e.forEach((function(e){function i(){e.applyCss(I.Css.HIDDEN.after)}if(e.isHidden)return e.applyCss(I.Css.HIDDEN.before),void i();e.scale=I.Scale.HIDDEN,e.isHidden=!0;var r=t.getStylesForTransition(e,I.Css.HIDDEN.before);r.transitionDelay=t._getStaggerAmount(n)+"ms",t._queue.push({item:e,styles:r,callback:i}),n+=1}))}},{key:"_handleResize",value:function(){this.isEnabled&&!this.isDestroyed&&this.update()}},{key:"getStylesForTransition",value:function(t,e){var n=Object.assign({},e);if(this.options.useTransforms){var i=this.options.roundTransforms?Math.round(t.point.x):t.point.x,r=this.options.roundTransforms?Math.round(t.point.y):t.point.y;n.transform="translate(".concat(i,"px, ").concat(r,"px) scale(").concat(t.scale,")")}else n.left=t.point.x+"px",n.top=t.point.y+"px";return n}},{key:"_whenTransitionDone",value:function(t,e,n){var i=F(t,(function(t){e(),n(null,t)}));this._transitions.push(i)}},{key:"_getTransitionFunction",value:function(t){var e=this;return function(n){t.item.applyCss(t.styles),e._whenTransitionDone(t.item.element,t.callback,n)}}},{key:"_processQueue",value:function(){this.isTransitioning&&this._cancelMovement();var t=this.options.speed>0,n=this._queue.length>0;n&&t&&this.isInitialized?this._startTransitions(this._queue):n?(this._styleImmediately(this._queue),this._dispatch(e.EventType.LAYOUT)):this._dispatch(e.EventType.LAYOUT),this._queue.length=0}},{key:"_startTransitions",value:function(t){var e=this;this.isTransitioning=!0,function(t,e,n){n||("function"===typeof e?(n=e,e=null):n=v);var i=t&&t.length;if(!i)return n(null,[]);var r=!1,s=new Array(i);function o(t){return function(e,o){if(!r){if(e)return n(e,s),void(r=!0);s[t]=o,--i||n(null,s)}}}t.forEach(e?function(t,n){t.call(e,o(n))}:function(t,e){t(o(e))})}(t.map((function(t){return e._getTransitionFunction(t)})),this._movementFinished.bind(this))}},{key:"_cancelMovement",value:function(){this._transitions.forEach(A),this._transitions.length=0,this.isTransitioning=!1}},{key:"_styleImmediately",value:function(t){if(t.length){var n=t.map((function(t){return t.item.element}));e._skipTransitions(n,(function(){t.forEach((function(t){t.item.applyCss(t.styles),t.callback()}))}))}}},{key:"_movementFinished",value:function(){this._transitions.length=0,this.isTransitioning=!1,this._dispatch(e.EventType.LAYOUT)}},{key:"filter",value:function(t,n){this.isEnabled&&((!t||t&&0===t.length)&&(t=e.ALL_ITEMS),this._filter(t),this._shrink(),this._updateItemCount(),this.sort(n))}},{key:"sort",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.lastSort;if(this.isEnabled){this._resetCols();var e=C(this._getFilteredItems(),t);this._layout(e),this._processQueue(),this._setContainerSize(),this.lastSort=t}}},{key:"update",value:function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];this.isEnabled&&(t||this._setColumns(),this.sort())}},{key:"layout",value:function(){this.update(!0)}},{key:"add",value:function(t){var e=this,n=N(t).map((function(t){return new I(t)}));this._initItems(n),this._resetCols();var i=C(this._mergeNewItems(n),this.lastSort),r=this._filter(this.lastFilter,i),s=function(t){return n.includes(t)},o=function(t){t.scale=I.Scale.HIDDEN,t.isHidden=!0,t.applyCss(I.Css.HIDDEN.before),t.applyCss(I.Css.HIDDEN.after)},a=this._getNextPositions(r.visible);r.visible.forEach((function(t,n){s(t)&&(t.point=a[n],o(t),t.applyCss(e.getStylesForTransition(t,{})))}

1)),r.hidden.forEach((function(t){s(t)&&o(t)})),this.element.offsetWidth,this.setItemTransitions(n),this.items=this._mergeNewItems(n),this.filter(this.lastFilter)}},{key:"disable",value:function(){this.isEnabled=!1}},{key:"enable",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.isEnabled=!0,t&&this.update()}},{key:"remove",value:function(t){var n=this;if(t.length){var i=N(t),r=i.map((function(t){return n.getItemByElement(t)})).filter((function(t){return!!t}));this._toggleFilterClasses({visible:[],hidden:r}),this._shrink(r),this.sort(),this.items=this.items.filter((function(t){return!r.includes(t)})),this._updateItemCount(),this.once(e.EventType.LAYOUT,(function(){n._disposeItems(r),i.forEach((function(t){t.parentNode.removeChild(t)})),n._dispatch(e.EventType.REMOVED,{collection:i})}))}}},{key:"getItemByElement",value:function(t){return this.items.find((function(e){return e.element===t}))}},{key:"resetItems",value:function(){var t=this;this._disposeItems(this.items),this.isInitialized=!1,this.items=this._getItems(),this._initItems(this.items),this.once(e.EventType.LAYOUT,(function(){t.setItemTransitions(t.items),t.isInitialized=!0})),this.filter(this.lastFilter)}},{key:"destroy",value:function(){this._cancelMovement(),window.removeEventListener("resize",this._onResize),this.element.classList.remove("shuffle"),this.element.removeAttribute("style"),this._disposeItems(this.items),this.items.length=0,this._transitions.length=0,this.options.sizer=null,this.element=null,this.isDestroyed=!0,this.isEnabled=!1}}],[{key:"getSize",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=window.getComputedStyle(t,null),i=w(t,"width",n),r=w(t,"height",n);if(e){var s=w(t,"marginLeft",n),o=w(t,"marginRight",n),a=w(t,"marginTop",n),u=w(t,"marginBottom",n);i+=s+o,r+=a+u}return{width:i,height:r}}},{key:"_skipTransitions",value:function(t,e){var n=t.map((function(t){var e=t.style,n=e.transitionDuration,i=e.transitionDelay;return e.transitionDuration="0ms",e.transitionDelay="0ms",{duration:n,delay:i}}));e(),t[0].offsetWidth,t.forEach((function(t,e){t.style.transitionDuration=n[e].duration,t.style.transitionDelay=n[e].delay}))}}]),e}(c);B.ShuffleItem=I,B.ALL_ITEMS="all",B.FILTER_ATTRIBUTE_KEY="groups",B.EventType={LAYOUT:"shuffle:layout",REMOVED:"shuffle:removed"},B.Classes=b,B.FilterMode={ANY:"any",ALL:"all"},B.options={group:B.ALL_ITEMS,speed:250,easing:"cubic-bezier(0.4, 0.0, 0.2, 1)",itemSelector:"*",sizer:null,gutterWidth:0,columnWidth:0,delimiter:null,buffer:0,columnThreshold:.01,initialSort:null,throttle:m,throttleTime:300,staggerAmount:15,staggerAmountMax:150,useTransforms:!0,filterMode:B.FilterMode.ANY,isCentered:!1,roundTransforms:!0},B.Point=g,B.Rect=_,B.__sorter=C,B.__getColumnSpan=z,B.__getAvailablePositions=M,B.__getShortColumn=O,B.__getCenteredPositions=j,e.a=B}}]);