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Editing: shuffle.min.js
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Shuffle=e()}(this,function(){"use strict";function t(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function e(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,i,n){return i&&e(t.prototype,i),n&&e(t,n),t}function n(t){return(n=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function s(t,e){return(s=Object.setPrototypeOf||function(t,e){return t.__proto__=e,t})(t,e)}function o(t,e){return!e||"object"!=typeof e&&"function"!=typeof e?function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t):e}function r(){}r.prototype={on:function(t,e,i){var 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o||(t>=e?l():o=setTimeout(l,e-t)),s};function l(){o=0,r=+new Date,s=t.apply(i,n),i=null,n=null}};function d(){}function m(t){return parseFloat(t)||0}var p=function(){function e(i,n){t(this,e),this.x=m(i),this.y=m(n)}return i(e,null,[{key:"equals",value:function(t,e){return t.x===e.x&&t.y===e.y}}]),e}(),v=function(){function e(i,n,s,o,r){t(this,e),this.id=r,this.left=i,this.top=n,this.width=s,this.height=o}return i(e,null,[{key:"intersects",value:function(t,e){return t.left<e.left+e.width&&e.left<t.left+t.width&&t.top<e.top+e.height&&e.top<t.top+t.height}}]),e}(),y={BASE:"shuffle",SHUFFLE_ITEM:"shuffle-item",VISIBLE:"shuffle-item--visible",HIDDEN:"shuffle-item--hidden"},g=0,_=function(){function e(i){t(this,e),g+=1,this.id=g,this.element=i,this.isVisible=!0,this.isHidden=!1}return i(e,[{key:"show",value:function(){this.isVisible=!0,this.element.classList.remove(y.HIDDEN),this.element.classList.add(y.VISIBLE),this.element.removeAttribute("aria-hidden")}},{key:"hide",value:function(){this.isVisible=!1,this.element.classList.remove(y.VISIBLE),this.element.classList.add(y.HIDDEN),this.element.setAttribute("aria-hidden",!0)}},{key:"init",value:function(){this.addClasses([y.SHUFFLE_ITEM,y.VISIBLE]),this.applyCss(e.Css.INITIAL),this.scale=e.Scale.VISIBLE,this.point=new p}},{key:"addClasses",value:function(t){var e=this;t.forEach(function(t){e.element.classList.add(t)})}},{key:"removeClasses",value:function(t){var e=this;t.forEach(function(t){e.element.classList.remove(t)})}},{key:"applyCss",value:function(t){var e=this;Object.keys(t).forEach(function(i){e.element.style[i]=t[i]})}},{key:"dispose",value:function(){this.removeClasses([y.HIDDEN,y.VISIBLE,y.SHUFFLE_ITEM]),this.element.removeAttribute("style"),this.element=null}}]),e}();_.Css={INITIAL:{position:"absolute",top:0,left:0,visibility:"visible",willChange:"transform"},VISIBLE:{before:{opacity:1,visibility:"visible"},after:{transitionDelay:""}},HIDDEN:{before:{opacity:0},after:{visibility:"hidden",transitionDelay:""}}},_.Scale={VISIBLE:1,HIDDEN:.001};var E=null,I=function(){if(null!==E)return E;var t=document.body||document.documentElement,e=document.createElement("div");return e.style.cssText="width:10px;padding:2px;box-sizing:border-box;",t.appendChild(e),E="10px"===window.getComputedStyle(e,null).width,t.removeChild(e),E};function b(t,e){var i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:window.getComputedStyle(t,null),n=m(i[e]);return I()||"width"!==e?I()||"height"!==e||(n+=m(i.paddingTop)+m(i.paddingBottom)+m(i.borderTopWidth)+m(i.borderBottomWidth)):n+=m(i.paddingLeft)+m(i.paddingRight)+m(i.borderLeftWidth)+m(i.borderRightWidth),n}var S={reverse:!1,by:null,compare:null,randomize:!1,key:"element"};function T(t,e){var i=Object.assign({},S,e),n=Array.from(t),s=!1;return t.length?i.randomize?function(t){for(var e=t.length;e;){e-=1;var i=Math.floor(Math.random()*(e+1)),n=t[i];t[i]=t[e],t[e]=n}return t}(t):("function"==typeof i.by?t.sort(function(t,e){if(s)return 0;var n=i.by(t[i.key]),o=i.by(e[i.key]);return void 0===n&&void 0===o?(s=!0,0):n<o||"sortFirst"===n||"sortLast"===o?-1:n>o||"sortLast"===n||"sortFirst"===o?1:0}):"function"==typeof i.compare&&t.sort(i.compare),s?n:(i.reverse&&t.reverse(),t)):[]}var k={},w="transitionend",C=0;function L(t){return!!k[t]&&(k[t].element.removeEventListener(w,k[t].listener),k[t]=null,!0)}function D(t,e){var i=w+(C+=1),n=function(t){t.currentTarget===t.target&&(L(i),e(t))};return t.addEventListener(w,n),k[i]={element:t,listener:n},i}function z(t){return Math.max.apply(Math,t)}function M(t,e,i,n){var s=t/e;return Math.abs(Math.round(s)-s)<n&&(s=Math.round(s)),Math.min(Math.ceil(s),i)}function A(t,e,i){if(1===e)return t;for(var n=[],s=0;s<=i-e;s++)n.push(z(t.slice(s,s+e)));return n}function F(t,e){for(var i,n=(i=t,Math.min.apply(Math,i)),s=0,o=t.length;s<o;s++)if(t[s]>=n-e&&t[s]<=n+e)return s;return 0}function x(t,e){var i={};t.forEach(function(t){i[t.top]?i[t.top].push(t):i[t.top]=[t]});var n=[],s=[],o=[];return Object.keys(i).forEach(function(t){var r=i[t];s.push(r);var l,a=r[r.length-1],u=a.left+a.width,h=Math.round((e-u)/2),f=r,c=!1;if(h>0){var d=[];(c=r.every(function(t){var e=new v(t.left+h,t.top,t.width,t.height,t.id),i=!n.some(function(t){return v.intersects(e,t)});return d.push(e),i}))&&(f=d)}if(!c&&r.some(function(t){return n.some(function(e){var i=v.intersects(t,e);return i&&(l=e),i})})){var m=o.findIndex(function(t){return t.includes(l)});o.splice(m,1,s[m])}n=n.concat(f),o.push(f)}),[].concat.apply([],o).sort(function(t,e){return t.id-e.id}).map(function(t){return new p(t.left,t.top)})}function O(t){return Array.from(new Set(t))}var N=0,H=function(e){function r(e){var i,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};t(this,r),(i=o(this,n(r).call(this))).options=Object.assign({},r.options,s),i.options.delimeter&&(i.options.delimiter=i.options.delimeter),i.lastSort={},i.group=r.ALL_ITEMS,i.lastFilter=r.ALL_ITEMS,i.isEnabled=!0,i.isDestroyed=!1,i.isInitialized=!1,i._transitions=[],i.isTransitioning=!1,i._queue=[];var l=i._getElementOption(e);if(!l)throw new TypeError("Shuffle needs to be initialized with an element.");return i.element=l,i.id="shuffle_"+N,N+=1,i._init(),i.isInitialized=!0,i}return function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a 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this.options.throttle?this.options.throttle(t,this.options.throttleTime):t}},{key:"_getElementOption",value:function(t){return"string"==typeof t?this.element.querySelector(t):t&&t.nodeType&&1===t.nodeType?t:t&&t.jquery?t[0]:null}},{key:"_validateStyles",value:function(t){"static"===t.position&&(this.element.style.position="relative"),"hidden"!==t.overflow&&(this.element.style.overflow="hidden")}},{key:"_filter",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.lastFilter,e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.items,i=this._getFilteredSets(t,e);return this._toggleFilterClasses(i),this.lastFilter=t,"string"==typeof t&&(this.group=t),i}},{key:"_getFilteredSets",value:function(t,e){var i=this,n=[],s=[];return t===r.ALL_ITEMS?n=e:e.forEach(function(e){i._doesPassFilter(t,e.element)?n.push(e):s.push(e)}),{visible:n,hidden:s}}},{key:"_doesPassFilter",value:function(t,e){if("function"==typeof t)return t.call(e,e,this);var i=e.getAttribute("data-"+r.FILTER_ATTRIBUTE_KEY),n=this.options.delimiter?i.split(this.options.delimiter):JSON.parse(i);function s(t){return n.includes(t)}return Array.isArray(t)?this.options.filterMode===r.FilterMode.ANY?t.some(s):t.every(s):n.includes(t)}},{key:"_toggleFilterClasses",value:function(t){var e=t.visible,i=t.hidden;e.forEach(function(t){t.show()}),i.forEach(function(t){t.hide()})}},{key:"_initItems",value:function(t){t.forEach(function(t){t.init()})}},{key:"_disposeItems",value:function(t){t.forEach(function(t){t.dispose()})}},{key:"_updateItemCount",value:function(){this.visibleItems=this._getFilteredItems().length}},{key:"setItemTransitions",value:function(t){var e=this.options,i=e.speed,n=e.easing,s=this.options.useTransforms?["transform"]:["top","left"],o=Object.keys(_.Css.HIDDEN.before).map(function(t){return t.replace(/([A-Z])/g,function(t,e){return"-".concat(e.toLowerCase())})}),r=s.concat(o).join();t.forEach(function(t){t.element.style.transitionDuration=i+"ms",t.element.style.transitionTimingFunction=n,t.element.style.transitionProperty=r})}},{key:"_getItems",value:function(){var t=this;return Array.from(this.element.children).filter(function(e){return f(e,t.options.itemSelector)}).map(function(t){return new _(t)})}},{key:"_mergeNewItems",value:function(t){var e=Array.from(this.element.children);return T(this.items.concat(t),{by:function(t){return e.indexOf(t)}})}},{key:"_getFilteredItems",value:function(){return this.items.filter(function(t){return t.isVisible})}},{key:"_getConcealedItems",value:function(){return this.items.filter(function(t){return!t.isVisible})}},{key:"_getColumnSize",value:function(t,e){var i;return 0===(i="function"==typeof 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this.getTransformedPositions(i,this.containerWidth)}return t.map(function(t){return e._getItemPosition(r.getSize(t.element,!0))})}},{key:"_getItemPosition",value:function(t){return function(t){for(var e=t.itemSize,i=t.positions,n=t.gridSize,s=t.total,o=t.threshold,r=t.buffer,l=M(e.width,n,s,o),a=A(i,l,s),u=F(a,r),h=new p(n*u,a[u]),f=a[u]+e.height,c=0;c<l;c++)i[u+c]=f;return h}({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 x(t,e)}},{key:"_shrink",value:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this._getConcealedItems(),i=0;e.forEach(function(e){function n(){e.applyCss(_.Css.HIDDEN.after)}if(e.isHidden)return e.applyCss(_.Css.HIDDEN.before),void n();e.scale=_.Scale.HIDDEN,e.isHidden=!0;var s=t.getStylesForTransition(e,_.Css.HIDDEN.before);s.transitionDelay=t._getStaggerAmount(i)+"ms",t._queue.push({item:e,styles:s,callback:n}),i+=1})}},{key:"_handleResize",value:function(){this.isEnabled&&!this.isDestroyed&&this.update()}},{key:"getStylesForTransition",value:function(t,e){var i=Object.assign({},e);if(this.options.useTransforms){var n=this.options.roundTransforms?Math.round(t.point.x):t.point.x,s=this.options.roundTransforms?Math.round(t.point.y):t.point.y;i.transform="translate(".concat(n,"px, ").concat(s,"px) scale(").concat(t.scale,")")}else i.left=t.point.x+"px",i.top=t.point.y+"px";return i}},{key:"_whenTransitionDone",value:function(t,e,i){var n=D(t,function(t){e(),i(null,t)});this._transitions.push(n)}},{key:"_getTransitionFunction",value:function(t){var e=this;return function(i){t.item.applyCss(t.styles),e._whenTransitionDone(t.item.element,t.callback,i)}}},{key:"_processQueue",value:function(){this.isTransitioning&&this._cancelMovement();var t=this.options.speed>0,e=this._queue.length>0;e&&t&&this.isInitialized?this._startTransitions(this._queue):e?(this._styleImmediately(this._queue),this._dispatch(r.EventType.LAYOUT)):this._dispatch(r.EventType.LAYOUT),this._queue.length=0}},{key:"_startTransitions",value:function(t){var e=this;this.isTransitioning=!0,function(t,e,i){i||("function"==typeof e?(i=e,e=null):i=d);var n=t&&t.length;if(!n)return i(null,[]);var s=!1,o=new Array(n);function r(t){return function(e,r){if(!s){if(e)return i(e,o),void(s=!0);o[t]=r,--n||i(null,o)}}}t.forEach(e?function(t,i){t.call(e,r(i))}:function(t,e){t(r(e))})}(t.map(function(t){return e._getTransitionFunction(t)}),this._movementFinished.bind(this))}},{key:"_cancelMovement",value:function(){this._transitions.forEach(L),this._transitions.length=0,this.isTransitioning=!1}},{key:"_styleImmediately",value:function(t){if(t.length){var e=t.map(function(t){return t.item.element});r._skipTransitions(e,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(r.EventType.LAYOUT)}},{key:"filter",value:function(t,e){this.isEnabled&&((!t||t&&0===t.length)&&(t=r.ALL_ITEMS),this._filter(t),this._shrink(),this._updateItemCount(),this.sort(e))}},{key:"sort",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.lastSort;if(this.isEnabled){this._resetCols();var e=T(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,i=O(t).map(function(t){return new _(t)});this._initItems(i),this._resetCols();var n=T(this._mergeNewItems(i),this.lastSort),s=this._filter(this.lastFilter,n),o=function(t){return i.includes(t)},r=function(t){t.scale=_.Scale.HIDDEN,t.isHidden=!0,t.applyCss(_.Css.HIDDEN.before),t.applyCss(_.Css.HIDDEN.after)},l=this._getNextPositions(s.visible);s.visible.forEach(function(t,i){o(t)&&(t.point=l[i],r(t),t.applyCss(e.getStylesForTransition(t,{})))}),s.hidden.forEach(function(t){o(t)&&r(t)}),this.element.offsetWidth,this.setItemTransitions(i),this.items=this._mergeNewItems(i),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 e=this;if(t.length){var i=O(t),n=i.map(function(t){return e.getItemByElement(t)}).filter(function(t){return!!t});this._toggleFilterClasses({visible:[],hidden:n}),this._shrink(n),this.sort(),this.items=this.items.filter(function(t){return!n.includes(t)}),this._updateItemCount(),this.once(r.EventType.LAYOUT,function(){e._disposeItems(n),i.forEach(function(t){t.parentNode.removeChild(t)}),e._dispatch(r.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(r.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],i=window.getComputedStyle(t,null),n=b(t,"width",i),s=b(t,"height",i);if(e){var o=b(t,"marginLeft",i),r=b(t,"marginRight",i),l=b(t,"marginTop",i),a=b(t,"marginBottom",i);n+=o+r,s+=l+a}return{width:n,height:s}}},{key:"_skipTransitions",value:function(t,e){var i=t.map(function(t){var e=t.style,i=e.transitionDuration,n=e.transitionDelay;return e.transitionDuration="0ms",e.transitionDelay="0ms",{duration:i,delay:n}});e(),t[0].offsetWidth,t.forEach(function(t,e){t.style.transitionDuration=i[e].duration,t.style.transitionDelay=i[e].delay})}}]),r}();return H.ShuffleItem=_,H.ALL_ITEMS="all",H.FILTER_ATTRIBUTE_KEY="groups",H.EventType={LAYOUT:"shuffle:layout",REMOVED:"shuffle:removed"},H.Classes=y,H.FilterMode={ANY:"any",ALL:"all"},H.options={group:H.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:c,throttleTime:300,staggerAmount:15,staggerAmountMax:150,useTransforms:!0,filterMode:H.FilterMode.ANY,isCentered:!1,roundTransforms:!0},H.Point=p,H.Rect=v,H.__sorter=T,H.__getColumnSpan=M,H.__getAvailablePositions=A,H.__getShortColumn=F,H.__getCenteredPositions=x,H}); //# sourceMappingURL=shuffle.min.js.map
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