vue-virtual-draglist - npm Package Compare versions

Comparing version 2.9.2 to 2.9.3

dist/virtual-drag-list.min.js

 /*!
- * vue-virtual-drag-list v2.9.2
+ * vue-virtual-drag-list v2.9.3
  * open source under the MIT license
  * https://github.com/mfuu/vue-virtual-drag-list#readme
  */
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 /*!
-   * sortable-dnd v0.6.15
+   * sortable-dnd v0.6.19
    * open source under the MIT license
    * https://github.com/mfuu/sortable-dnd#readme
-   */!function(t,e){t.exports=function(){function t(e){return(t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(e)}function e(){return e=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var n=arguments[e];for(var i in n)Object.prototype.hasOwnProperty.call(n,i)&&(t[i]=n[i])}return t},e.apply(this,arguments)}var n={capture:!1,passive:!1},i=/\s+/g;function o(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var r=o(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),s=o(/Edge/i),l=o(/safari/i)&&!o(/chrome/i)&&!o(/android/i),a=function(){var t=!1;return document.addEventListener("checkIfSupportPassive",null,{get passive(){return t=!0,!0}}),t}();function c(t,e,i){window.addEventListener?t.addEventListener(e,i,!(!a&&r)&&n):window.attachEvent?t.attachEvent("on"+e,i):t["on"+e]=i}function u(t,e,i){window.removeEventListener?t.removeEventListener(e,i,!(!a&&r)&&n):window.detachEvent?t.detachEvent("on"+e,i):t["on"+e]=null}function h(){return document.scrollingElement||document.documentElement}function d(t,e,n){if(t.getBoundingClientRect||t===window){var i,o,r,s,l,a,c;if(t!==window&&t.parentNode&&t!==h()?(o=(i=t.getBoundingClientRect()).top,r=i.left,s=i.bottom,l=i.right,a=i.height,c=i.width):(o=0,r=0,s=window.innerHeight,l=window.innerWidth,a=window.innerHeight,c=window.innerWidth),e&&t!==window){n=n||t.parentNode;do{if(n&&n.getBoundingClientRect){var u=n.getBoundingClientRect();o-=u.top+parseInt(w(n,"border-top-width")),r-=u.left+parseInt(w(n,"border-left-width")),s=o+i.height,l=r+i.width;break}}while(n=n.parentNode)}return{top:o,left:r,bottom:s,right:l,width:c,height:a}}}function f(t,e,n,i){if(t){if(n&&!e)for(var o=Array.prototype.slice.call(n.children),r=0,s=o.length;r<s;r++)if(o[r]===t||p(t,o[r]))return o[r];n=n||document;do{if(null!=e&&(">"===e[0]?t.parentNode===n&&S(t,e):S(t,e))||i&&t===n)return t;if(t===n)break}while(t=t.parentNode);return null}}function p(t,e){if(!t||!e)return!1;if(e.compareDocumentPosition)return!!(16&e.compareDocumentPosition(t));if(e.contains&&1===t.nodeType)return e.contains(t)&&e!==t;for(;t=t.parentNode;)if(t===e)return!0;return!1}function m(t,e){for(var n=t.lastElementChild;n&&(n===it.ghost||"none"===w(n,"display")||e&&!S(n,e));)n=n.previousElementSibling;return n||null}function g(t,e){if(!t||!t.parentNode)return-1;for(var n=0;t=t.previousElementSibling;)"TEMPLATE"===t.nodeName.toUpperCase()||e&&!S(t,e)||"none"===w(t,"display")||n++;return n}function v(t,e,n,i){for(var o=0,r=0,s=t.children;o<s.length;){if(s[o]!==it.ghost&&"none"!==w(s[o],"display")&&f(s[o],n,t,!1)&&(i||s[o]!==it.dragged)){if(r===e)return s[o];r++}o++}return null}function y(t,e){var n=w(t),i=parseInt(n.width)-parseInt(n.paddingLeft)-parseInt(n.paddingRight)-parseInt(n.borderLeftWidth)-parseInt(n.borderRightWidth),o=v(t,0,e),l=v(t,1,e),a=o&&w(o),c=l&&w(l),u=a&&parseInt(a.marginLeft)+parseInt(a.marginRight)+d(o).width,h=c&&parseInt(c.marginLeft)+parseInt(c.marginRight)+d(l).width,f=s||r?"cssFloat":"float";if("flex"===n.display)return"column"===n.flexDirection||"column-reverse"===n.flexDirection?"vertical":"horizontal";if("grid"===n.display)return n.gridTemplateColumns.split(" ").length<=1?"vertical":"horizontal";if(o&&a.float&&"none"!==a.float){var p="left"===a.float?"left":"right";return!l||"both"!==c.clear&&c.clear!==p?"horizontal":"vertical"}return o&&("block"===a.display||"flex"===a.display||"table"===a.display||"grid"===a.display||u>=i&&"none"===n[f]||l&&"none"===n[f]&&u+h>i)?"vertical":"horizontal"}function b(t,e,n){if(t&&e)if(t.classList)t.classList[n?"add":"remove"](e);else{var o=(" "+t.className+" ").replace(i," ").replace(" "+e+" "," ");t.className=(o+(n?" 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n={},i=e.group;i&&"object"==t(i)||(i={name:i,pull:!0,put:!0,revertDrag:!0}),n.name=i.name,n.pull=i.pull,n.put=i.put,n.revertDrag=i.revertDrag,e.group=n}function nt(t){var e=U||$;return!(void 0!==t.clientX&&void 0!==t.clientY&&Math.abs(t.clientX-e.clientX)<=0&&Math.abs(t.clientY-e.clientY)<=0)}function it(t,n){if(!t||!t.nodeType||1!==t.nodeType)throw"Sortable-dnd: `el` must be an HTMLElement, not ".concat({}.toString.call(t));t[D]=this,this.el=t,this.options=n=e({},n);var i={store:null,group:"",handle:null,sortable:!0,disabled:!1,multiple:!1,lockAxis:"",direction:"",animation:150,easing:"",draggable:null,selectHandle:null,customGhost:null,autoScroll:!0,scrollThreshold:55,scrollSpeed:{x:10,y:10},delay:0,delayOnTouchOnly:!1,touchStartThreshold:(Number.parseInt?Number:window).parseInt(window.devicePixelRatio,10)||1,ghostClass:"",ghostStyle:{},chosenClass:"",selectedClass:"",swapOnDrop:!0,fallbackOnBody:!1,supportTouch:"ontouchstart"in window,emptyInsertThreshold:-1};for(var o in i)!(o in this.options)&&(this.options[o]=i[o]);for(var r in et(n),this)"_"===r.charAt(0)&&"function"==typeof this[r]&&(this[r]=this[r].bind(this));c(t,this.options.supportTouch?"touchstart":"mousedown",this._onDrag),tt.push(t),this.autoScroller=new z(this.options),this.multiplayer=new R(this.options),this.animator=new I(this.options)}return it.prototype={constructor:it,destroy:function(){this._cancelStart(),this._nulling(),u(this.el,"touchstart",this._onDrag),u(this.el,"mousedown",this._onDrag);var t=tt.indexOf(this.el);t>-1&&tt.splice(t,1),this.el[D]=this.animator=this.multiplayer=this.autoScroller=null},option:function(t,e){if(void 0===e)return this.options[t];this.options[t]=e,this.animator.options[t]=e,this.multiplayer.options[t]=e,this.autoScroller.options[t]=e,"group"===t&&et(this.options)},select:function(t){this.multiplayer.select(t)},deselect:function(t){this.multiplayer.deselect(t)},getSelectedElements:function(){return this.multiplayer.selectedElements},_onDrag:function(t){var e=this;if(!B&&!this.options.disabled&&this.options.group.pull&&(!/mousedown|pointerdown/.test(t.type)||0===t.button)){var n=t.touches&&t.touches[0],i=(n||t).target;if(!l||!i||"SELECT"!==i.tagName.toUpperCase()){var o=f(i,this.options.draggable,this.el);if(o&&!o.animated){$={origin:t,clientX:(n||t).clientX,clientY:(n||t).clientY},B=o,c(G=n?B:document,"mouseup",this._onDrop),c(G,"touchend",this._onDrop),c(G,"touchcancel",this._onDrop);var a=this.options,u=a.handle,h=a.selectHandle;if("function"==typeof h&&h(t)||"string"==typeof h&&S(i,h))Z=!0;else if(("function"!=typeof u||u(t))&&("string"!=typeof u||S(i,u))){var d=this.options,p=d.delay,m=d.delayOnTouchOnly;!p||m&&!n||s||r?this._onStart(n,t):(c(this.el.ownerDocument,"touchmove",this._delayMoveHandler),c(this.el.ownerDocument,"mousemove",this._delayMoveHandler),c(this.el.ownerDocument,"mouseup",this._cancelStart),c(this.el.ownerDocument,"touchend",this._cancelStart),c(this.el.ownerDocument,"touchcancel",this._cancelStart),Q=setTimeout((function(){return e._onStart(n,t)}),p)),c(document,"selectstart",_),l&&w(document.body,"user-select","none")}}}}},_delayMoveHandler:function(t){var e=t.touches?t.touches[0]:t;Math.max(Math.abs(e.clientX-$.clientX),Math.abs(e.clientY-$.clientY))>=Math.floor(this.options.touchStartThreshold/(window.devicePixelRatio||1))&&this._cancelStart()},_cancelStart:function(){clearTimeout(Q),u(this.el.ownerDocument,"touchmove",this._delayMoveHandler),u(this.el.ownerDocument,"mousemove",this._delayMoveHandler),u(this.el.ownerDocument,"mouseup",this._cancelStart),u(this.el.ownerDocument,"touchend",this._cancelStart),u(this.el.ownerDocument,"touchcancel",this._cancelStart),u(document,"selectstart",_),l&&w(document.body,"user-select","")},_onStart:function(t,e){var n=g(B);C=this.el,k=this.el,K=B,H=n,q=n,W=n,X={to:this.el,target:B,newIndex:n,relative:0},V=B,M=this.el,L=B.cloneNode(!0),F=B.parentNode,j=this.options.group.pull,it.clone=L,it.active=this,it.dragged=B,b(B,this.options.chosenClass,!0),this.multiplayer.onChoose(),T({sortable:this,name:"onChoose",params:this._getParams(e)}),c(G,t?"touchmove":"mousemove",this._nearestSortable);try{document.selection?setTimeout((function(){return document.selection.empty()}),0):window.getSelection().removeAllRanges()}catch(t){}},_onStarted:function(){b(L,this.options.chosenClass,!0),this._appendGhost(),this.multiplayer.onDrag(this),T({sortable:this,name:"onDrag",params:this._getParams($.origin)}),w(B,"display","none"),b(B,this.options.chosenClass,!1),B.parentNode.insertBefore(L,B)},_getGhostElement:function(){var t=this.options.customGhost;if("function"==typeof t){var e=this.multiplayer.selectedElements;return t(e.length?e:[B])}return this.multiplayer.getGhostElement()||B},_appendGhost:function(){if(!P){var t=this.options.fallbackOnBody?document.body:this.el,n=this._getGhostElement();b(P=n.cloneNode(!0),this.options.ghostClass,!0);var i=d(B),o=e({position:"fixed",top:i.top,left:i.left,width:i.width,height:i.height,zIndex:"100000",opacity:"0.8",overflow:"hidden",boxSizing:"border-box",transform:"translate3d(0px, 0px, 0px)",transition:"none",pointerEvents:"none"},this.options.ghostStyle);for(var r in o)w(P,r,o[r]);it.ghost=P,t.appendChild(P);var s=($.clientX-i.left)/parseInt(P.style.width)*100,l=($.clientY-i.top)/parseInt(P.style.height)*100;w(P,"transform-origin",s+"% "+l+"%"),w(P,"will-change","transform")}},_nearestSortable:function(t){_(t);var e=t.touches&&t.touches[0]||t;if(B&&nt(e)){!U&&this._onStarted();var n=this.options.lockAxis,i="x"===n?$.clientX:e.clientX,o="y"===n?$.clientY:e.clientY,r=document.elementFromPoint(i,o),s=i-$.clientX,l=o-$.clientY;U={origin:t,clientX:i,clientY:o},w(P,"transform","translate3d("+s+"px, "+l+"px, 0)");var a,c,u,f=(a=i,c=o,tt.reduce((function(t,e){var n=e[D].options.emptyInsertThreshold;if(null!=n){var i=d(e),o=a>=i.left-n&&a<=i.right+n,r=c>=i.top-n&&c<=i.bottom+n;return o&&r&&(!u||u&&i.left>=u.left&&i.right<=u.right&&i.top>=u.top&&i.bottom<=u.bottom)&&(t=e,u=i),t}}),null));if(f&&f[D]._onMove(t,r),!f||f[D].options.autoScroll){var p=function(t,e){if(!t||!t.getBoundingClientRect)return h();var n=t,i=!1;do{if(n.clientWidth<n.scrollWidth||n.clientHeight<n.scrollHeight){var o=w(n);if(n.clientWidth<n.scrollWidth&&("auto"==o.overflowX||"scroll"==o.overflowX)||n.clientHeight<n.scrollHeight&&("auto"==o.overflowY||"scroll"==o.overflowY)){if(!n.getBoundingClientRect||n===document.body)return h();if(i||e)return n;i=!0}}}while(n=n.parentNode);return h()}(r,!0);this.autoScroller.update(p,$,U)}else this.autoScroller.destroy()}},_allowPut:function(){if(M===this.el)return!0;if(this.options.group.put){var t=this.options.group,e=t.name,n=t.put,i=M[D].options.group;return n.join&&n.indexOf(i.name)>-1||i.name&&e&&i.name===e}return!1},_getDirection:function(){var t=this.options,e=t.draggable,n=t.direction;return n?"function"==typeof n?n.call(U.origin,B,this):n:y(F,e)},_allowSwap:function(){var t=d(A),e="vertical"===this._getDirection(),n=e?"top":"left",i=e?"bottom":"right",o=A[e?"offsetHeight":"offsetWidth"],r=e?U.clientY:U.clientX,s=r>=t[n]&&r<t[i]-o/2?-1:1,l=v(F,0,this.options.draggable),a=m(F),c=d(l),u=d(a);if(A===F||p(F,A))return L===l&&r<c[n]?(N=A,!0):L===a&&r>u[i]&&(N=A.nextSibling,!0);var h=x(L,A);return N=h<0?A.nextSibling:A,Y!==A?(J=s,!0):J!==s&&(J=s,s<0?h>0:h<0)},_onMove:function(t,e){if(!this.options.disabled&&this._allowPut()){if(A=f(e,this.options.draggable,this.el),T({sortable:this,name:"onMove",params:this._getParams(t,{target:A})}),this.options.sortable||this.el!==M)return this.el===k||e!==this.el&&m(this.el)?void(A&&!A.animated&&!p(A,L)&&this._allowSwap()&&(A!==L&&N!==L?(this.el!==k?this._onInsert(t):A!==B&&this._onChange(t),Y=A):Y=A)):(A=Y=null,void this._onInsert(t));k!==M&&(A=Y=B,J=0,this._onInsert(t))}},_onInsert:function(t){var e=A||L,n="clone"===j&&this.el!==M&&k===M,i="clone"===j&&this.el===M&&k!==M,o=p(A,document),r=A===B&&!o;C=this.el,H=g(L),K=e,F=o?A.parentNode:this.el,k[D].animator.collect(L.parentNode),this.animator.collect(F),n&&(X.target=V,X.newIndex=H,X.relative=V===B?0:x(L,V),w(B,"display",""),M[D].multiplayer.toggleVisible(!0),M[D].options.group.revertDrag||L.parentNode.insertBefore(B,L)),i&&(H=g(B),w(B,"display","none"),this.multiplayer.toggleVisible(!1)),w(L,"display",r?"none":""),A&&o?F.insertBefore(L,J<0?A:A.nextSibling):F.appendChild(L),q=r?W:g(L),n&&M[D].options.group.revertDrag&&(X.target=B,X.newIndex=W,X.relative=0,T({sortable:M[D],name:"onChange",params:this._getParams(t,{to:M,target:B,newIndex:W,revertDrag:!0})})),n||T({sortable:k[D],name:"onRemove",params:this._getParams(t,{newIndex:-1})}),i&&e!==B&&(V=e,T({sortable:this,name:"onChange",params:this._getParams(t,{from:M,backToOrigin:!0})})),i||T({sortable:this,name:"onAdd",params:this._getParams(t,{oldIndex:-1})}),k[D].animator.animate(),this.animator.animate(),k=this.el},_onChange:function(t){H=g(L),F=A.parentNode,K=A,this.el===M&&(V=A),this.animator.collect(F),F.insertBefore(L,N),q=g(L),T({sortable:this,name:"onChange",params:this._getParams(t)}),this.animator.animate(),k=this.el},_onDrop:function(t){this._cancelStart(),u(G,"touchmove",this._nearestSortable),u(G,"mousemove",this._nearestSortable),u(G,"mouseup",this._onDrop),u(G,"touchend",this._onDrop),u(G,"touchcancel",this._onDrop),b(B,this.options.chosenClass,!1),M&&(k=M,H=W,K===L&&(K=B),this.multiplayer.toggleClass(!1),T({sortable:this,name:"onUnchoose",params:this._getParams(t)}),U&&this._onEnd(t));var e=this.options,n=e.multiple,i=e.selectHandle;n&&(i&&Z||!i&&!M)&&!nt(t.changedTouches?t.changedTouches[0]:t)&&this.multiplayer.onSelect(t,B,this),P&&P.parentNode&&P.parentNode.removeChild(P),this.autoScroller.destroy(),this.multiplayer.destroy(),this._nulling()},_onEnd:function(t){var n=this._getParams(t);this.multiplayer.onDrop(k,C,j);var i=this.options.swapOnDrop;"clone"===j&&k!==C||!("function"==typeof i?i(n):i)||F.insertBefore(B,L),"clone"!==j||k===C||this.multiplayer.active()?L&&L.parentNode&&L.parentNode.removeChild(L):b(L,this.options.chosenClass,!1),w(B,"display",""),k!==C&&T({sortable:k[D],name:"onDrop",params:e({},n,"clone"===j?X:{newIndex:-1})}),T({sortable:C[D],name:"onDrop",params:e({},n,k===C?{}:{oldIndex:-1})})},_getParams:function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i={};return i.event=t,i.to=C,i.from=k,i.node=B,i.clone=L,i.target=K,i.oldIndex=H,i.newIndex=q,i.pullMode=j,this.multiplayer.setParams(i),e(i,n),i.relative=K===B?0:x(L,K),i},_nulling:function(){C=k=M=B=A=N=L=P=K=F=j=H=q=W=$=U=Y=X=V=G=J=Q=Z=it.clone=it.ghost=it.active=it.dragged=null}},it.utils={on:c,off:u,css:w,index:g,closest:f,getRect:d,toggleClass:b,detectDirection:y},it.get=function(t){return t[D]},it.create=function(t,e){return new it(t,e)},it}()}(d);var f=h(d.exports),p=["delay","group","handle","lockAxis","disabled","sortable","draggable","animation","autoScroll","ghostClass","ghostStyle","chosenClass","scrollSpeed","fallbackOnBody","scrollThreshold","delayOnTouchOnly"];function m(t,e){this.el=t,this.options=e,this.reRendered=!1,this.installSortable()}function g(t,e){var n=null,i=function(){for(var i=this,o=arguments.length,r=new Array(o),s=0;s<o;s++)r[s]=arguments[s];n||(e<=0?t.apply(this,r):n=setTimeout((function(){n=void 0,t.apply(i,r)}),e))};return i.cancel=function(){n&&(clearTimeout(n),n=null)},i}function v(t,e){var n=g(t,e),i=function(){n.cancel(),n.apply(this,arguments)};return i.cancel=function(){n.cancel()},i}function y(t,e){return(Array.isArray(e)?e:e.replace(/\[/g,".").replace(/\]/g,".").split(".")).reduce((function(t,e){return(t||{})[e]}),t)}m.prototype={constructor:m,destroy:function(){this.sortable&&this.sortable.destroy(),this.sortable=this.reRendered=null},option:function(t,e){this.options[t]=e,p.includes(t)&&this.sortable.option(t,e)},installSortable:function(){var t=this,e=p.reduce((function(e,n){return e[n]=t.options[n],e}),{});this.sortable=new f(this.el,s(s({},e),{},{emptyInsertThreshold:0,swapOnDrop:function(t){return t.from===t.to},onDrag:function(e){return t.onDrag(e)},onDrop:function(e){return t.onDrop(e)}}))},onDrag:function(t){var e=t.node.getAttribute("data-key"),n=this.getIndex(e),i=this.options.list[n];this.sortable.option("store",{item:i,key:e,index:n}),this.dispatchEvent("onDrag",{item:i,key:e,index:n,event:t})},onDrop:function(t){var e,n,i=f.get(t.from).option("store"),o=i.item,r=i.key,s=i.index,a=this.options.list,c={key:r,item:o,list:a,event:t,changed:!1,oldList:l(a),oldIndex:s,newIndex:s};(t.from===t.to&&t.node===t.target||this.handleDropEvent(c,t,o,r,s,a),this.dispatchEvent("onDrop",c),t.from===this.el&&this.reRendered)&&(null===(e=f.dragged)||void 0===e||e.remove());t.from!==t.to&&"clone"===t.pullMode&&(null===(n=f.clone)||void 0===n||n.remove());this.reRendered=!1},handleDropEvent:function(t,e,n,i,o,r){var s=e.target.getAttribute("data-key"),l=-1,a=o;e.from===e.to?(((a=this.getIndex(i))<(l=this.getIndex(s))&&-1===e.relative||a>l&&1===e.relative)&&(l+=e.relative),l!==a&&(r.splice(a,1),r.splice(l,0,n))):(e.from===this.el&&(a=this.getIndex(i),r.splice(a,1)),e.to===this.el&&(a=-1,l=this.getIndex(s),0===e.relative?l=r.length:1===e.relative&&(l+=e.relative),r.splice(l,0,n))),t.changed=e.from!==e.to||l!==a,t.list=r,t.oldIndex=a,t.newIndex=l},getIndex:function(t){return this.options.uniqueKeys.indexOf(t)},dispatchEvent:function(t,e){var n=this.options[t];n&&n(e)}};var b=["size","keeps","scroller","direction","debounceTime","throttleTime"],S="INIT",w="FIXED",x="DYNAMIC",_="FRONT",T="BEHIND",E="STATIONARY",O={vertical:"top",horizontal:"left"},D={vertical:"scrollTop",horizontal:"scrollLeft"},z={vertical:"scrollHeight",horizontal:"scrollWidth"},I={vertical:"offsetHeight",horizontal:"offsetWidth"};function R(t){this.options=t;var e={size:0,keeps:0,buffer:0,wrapper:null,scroller:null,direction:"vertical",uniqueKeys:[],debounceTime:null,throttleTime:null};for(var n in e)!(n in this.options)&&(this.options[n]=e[n]);this.sizes=new Map,this.range={start:0,end:0,front:0,behind:0},this.offset=0,this.calcType=S,this.calcSize={average:0,fixed:0},this.scrollDirection="",this.updateScrollElement(),this.updateOnScrollFunction(),this.addScrollEventListener(),this.checkIfUpdate(0,t.keeps-1)}return R.prototype={constructor:R,isFront:function(){return this.scrollDirection===_},isBehind:function(){return this.scrollDirection===T},isFixed:function(){return this.calcType===w},getSize:function(t){return this.sizes.get(t)||this.getItemSize()},getOffset:function(){return this.scrollEl[D[this.options.direction]]},getScrollSize:function(){return this.scrollEl[z[this.options.direction]]},getClientSize:function(){return this.scrollEl[I[this.options.direction]]},scrollToOffset:function(t){this.scrollEl[D[this.options.direction]]=t},scrollToIndex:function(t){if(t>=this.options.uniqueKeys.length-1)this.scrollToBottom();else{var e=this.getOffsetByIndex(t),n=this.getScrollStartOffset();this.scrollToOffset(e+n)}},scrollToBottom:function(){var t=this,e=this.getScrollSize();this.scrollToOffset(e),setTimeout((function(){var e=t.getClientSize(),n=t.getScrollSize();t.getOffset()+e+1<n&&t.scrollToBottom()}),5)},option:function(t,e){var n=this,i=this.options[t];this.options[t]=e,"uniqueKeys"===t&&this.sizes.forEach((function(t,i){e.includes(i)||n.sizes.delete(i)})),"scroller"===t&&(i&&f.utils.off(i,"scroll",this.onScroll),this.updateScrollElement(),this.addScrollEventListener())},updateRange:function(t){if(t)this.handleUpdate(t.start,t.end);else{var e=this.range.start;e=Math.max(e,0),this.handleUpdate(e,this.getEndByStart(e))}},onItemResized:function(t,e){if(this.sizes.get(t)!==e&&(this.sizes.set(t,e),this.calcType===S?(this.calcType=w,this.calcSize.fixed=e):this.isFixed()&&this.calcSize.fixed!==e&&(this.calcType=x,this.calcSize.fixed=0),this.calcType===x&&!this.calcSize.average)){var n=Math.min(this.options.keeps,this.options.uniqueKeys.length);if(this.sizes.size===n){var i=l(this.sizes.values()).reduce((function(t,e){return t+e}),0);this.calcSize.average=Math.round(i/this.sizes.size)}}},addScrollEventListener:function(){this.options.scroller&&f.utils.on(this.options.scroller,"scroll",this.onScroll)},removeScrollEventListener:function(){this.options.scroller&&f.utils.off(this.options.scroller,"scroll",this.onScroll)},enableScroll:function(t){var e=this.options.scroller,n=t?f.utils.off:f.utils.on,i="onwheel"in document.createElement("div")?"wheel":"mousewheel";n(e,"DOMMouseScroll",this.preventDefault),n(e,i,this.preventDefault),n(e,"touchmove",this.preventDefault),n(e,"keydown",this.preventDefaultForKeyDown)},preventDefault:function(t){t.preventDefault()},preventDefaultForKeyDown:function(t){if({37:1,38:1,39:1,40:1}[t.keyCode])return this.preventDefault(t),!1},updateScrollElement:function(){var t=this.options.scroller;t instanceof Document&&9===t.nodeType||t instanceof Window?this.scrollEl=document.scrollingElement||document.documentElement||document.body:this.scrollEl=t},updateOnScrollFunction:function(){var t=this,e=this.options,n=e.debounceTime,i=e.throttleTime;this.onScroll=n?v((function(){return t.handleScroll()}),n):i?g((function(){return t.handleScroll()}),i):function(){return t.handleScroll()}},handleScroll:function(){var t=this.getOffset(),e=this.getClientSize(),n=this.getScrollSize();t===this.offset?this.scrollDirection=E:this.scrollDirection=t<this.offset?_:T,this.offset=t;var i=this.isFront()&&t<=0,o=this.isBehind()&&e+t>=n;this.options.onScroll({top:i,bottom:o,offset:t,direction:this.scrollDirection}),this.isFront()?this.handleScrollFront():this.isBehind()&&this.handleScrollBehind()},handleScrollFront:function(){var t=this.getScrollItems();if(!(t>=this.range.start)){var e=Math.max(t-this.options.buffer,0);this.checkIfUpdate(e,this.getEndByStart(e))}},handleScrollBehind:function(){var t=this.getScrollItems();t<=this.range.start+this.options.buffer||this.checkIfUpdate(t,this.getEndByStart(t))},getScrollItems:function(){var t=this.offset-this.getScrollStartOffset();if(t<=0)return 0;if(this.isFixed())return Math.floor(t/this.calcSize.fixed);for(var e=0,n=this.options.uniqueKeys.length,i=0,o=0;e<=n;){if(i=e+Math.floor((n-e)/2),(o=this.getOffsetByIndex(i))===t)return i;o<t?e=i+1:o>t&&(n=i-1)}return e>0?--e:0},checkIfUpdate:function(t,e){var n=this.options.keeps;this.options.uniqueKeys.length<=n?(t=0,e=this.getLastIndex()):e-t<n-1&&(t=e-n+1),this.range.start!==t&&this.handleUpdate(t,e)},handleUpdate:function(t,e){this.range.start=t,this.range.end=e,this.range.front=this.getFrontOffset(),this.range.behind=this.getBehindOffset(),this.options.onUpdate(s({},this.range))},getFrontOffset:function(){return this.isFixed()?this.calcSize.fixed*this.range.start:this.getOffsetByIndex(this.range.start)},getBehindOffset:function(){var t=this.range.end,e=this.getLastIndex();return this.isFixed()?(e-t)*this.calcSize.fixed:(e-t)*this.getItemSize()},getOffsetByIndex:function(t){if(!t)return 0;for(var e=0,n=0;n<t;n++){var i=this.sizes.get(this.options.uniqueKeys[n]);e+="number"==typeof i?i:this.getItemSize()}return e},getEndByStart:function(t){return Math.min(t+this.options.keeps-1,this.getLastIndex())},getLastIndex:function(){var t=this.options,e=t.uniqueKeys,n=t.keeps;return e.length>0?e.length-1:n-1},getItemSize:function(){return this.isFixed()?this.calcSize.fixed:this.options.size||this.calcSize.average},getScrollStartOffset:function(){var t=0,e=this.options,n=e.wrapper,i=e.scroller,o=e.direction;if(i===n)return 0;if(i&&n){var r=i instanceof Window?f.utils.getRect(n):f.utils.getRect(n,!0,i);t=this.offset+r[O[o]]}return t}},n.default.component("virtual-list",{model:{prop:"dataSource",event:"updateDataSource"},props:a,data:function(){return{range:{start:0,end:0,front:0,behind:0},dragging:"",lastList:[],lastLength:null,uniqueKeys:[],virtualRef:null,sortableRef:null}},computed:{isHorizontal:function(){return"vertical"!==this.direction},itemSizeKey:function(){return this.isHorizontal?"offsetWidth":"offsetHeight"},virtualAttributes:function(){var t=this;return b.reduce((function(e,n){return e[n]=t[n],e}),{})},sortableAttributes:function(){var t=this;return p.reduce((function(e,n){return 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e=t.touches?t.touches[0]:t;Math.max(Math.abs(e.clientX-$.clientX),Math.abs(e.clientY-$.clientY))>=Math.floor(this.options.touchStartThreshold/(window.devicePixelRatio||1))&&this._cancelStart()},_cancelStart:function(){clearTimeout(Z),c(this.el.ownerDocument,"touchmove",this._delayMoveHandler),c(this.el.ownerDocument,"mousemove",this._delayMoveHandler),c(this.el.ownerDocument,"mouseup",this._cancelStart),c(this.el.ownerDocument,"touchend",this._cancelStart),c(this.el.ownerDocument,"touchcancel",this._cancelStart),c(document,"selectstart",T),l&&w(document.body,"user-select","")},_onStart:function(t,e){T(e);var n=g(B);E=this.el,A=this.el,K=B,q=n,U=n,Y=n,V={to:this.el,target:B,newIndex:n,relative:0},G=B,M=this.el,F=B.cloneNode(!0),j=B.parentNode,P=this.options.group.pull,it.clone=F,it.active=this,it.dragged=B,this.multiplayer.onChoose(),b(B,this.options.chosenClass,!0),z({sortable:this,name:"onChoose",params:this._getParams(e)}),u(J,t?"touchmove":"mousemove",this._nearestSortable);try{document.selection?setTimeout((function(){return document.selection.empty()}),0):window.getSelection().removeAllRanges()}catch(t){}},_onStarted:function(){this.animator.collect(j),b(F,this.options.chosenClass,!0),b(F,this.options.placeholderClass,!0),this._appendGhost(),this.multiplayer.toggleVisible(!1),w(B,"display","none"),B.parentNode.insertBefore(F,B),z({sortable:this,name:"onDrag",params:this._getParams($.event)}),this.animator.animate()},_getGhostElement:function(){var t=this.options.customGhost;if("function"==typeof t){var e=this.multiplayer.selects;return t(e.length?e:[B])}return this.multiplayer.getGhostElement()||B},_appendGhost:function(){if(!H){var t=this.options.fallbackOnBody?document.body:this.el,n=this._getGhostElement();b(H=n.cloneNode(!0),this.options.ghostClass,!0);var i=d(B),o=e({position:"fixed",top:i.top,left:i.left,width:i.width,height:i.height,zIndex:"100000",opacity:"0.8",overflow:"hidden",boxSizing:"border-box",transform:"",transition:"",pointerEvents:"none"},this.options.ghostStyle);for(var r in o)w(H,r,o[r]);it.ghost=H,t.appendChild(H);var s=($.clientX-i.left)/parseInt(H.style.width)*100,l=($.clientY-i.top)/parseInt(H.style.height)*100;w(H,"transform-origin","".concat(s,"% ").concat(l,"%")),w(H,"will-change","transform")}},_nearestSortable:function(t){T(t);var e=t.touches&&t.touches[0]||t;if(B&&nt(e)){!W&&this._onStarted();var n=this.options.lockAxis,i="x"===n?$.clientX:e.clientX,o="y"===n?$.clientY:e.clientY,r=document.elementFromPoint(i,o),s=i-$.clientX,l=o-$.clientY;W={event:t,clientX:i,clientY:o},w(H,"transform","translate3d(".concat(s,"px, ").concat(l,"px, 0)"));var a,u,c,f=(a=i,u=o,tt.reduce((function(t,e){var n=e[O].options.emptyInsertThreshold;if(null!=n){var i=d(e),o=a>=i.left-n&&a<=i.right+n,r=u>=i.top-n&&u<=i.bottom+n;return o&&r&&(!c||c&&i.left>=c.left&&i.right<=c.right&&i.top>=c.top&&i.bottom<=c.bottom)&&(t=e,c=i),t}}),null));if(f&&f[O]._onMove(t,r),!f||f[O].options.autoScroll){var p=function(t,e){if(!t||!t.getBoundingClientRect)return h();var n=t,i=!1;do{if(n.clientWidth<n.scrollWidth||n.clientHeight<n.scrollHeight){var o=w(n);if(n.clientWidth<n.scrollWidth&&("auto"==o.overflowX||"scroll"==o.overflowX)||n.clientHeight<n.scrollHeight&&("auto"==o.overflowY||"scroll"==o.overflowY)){if(!n.getBoundingClientRect||n===document.body)return h();if(i||e)return n;i=!0}}}while(n=n.parentNode);return h()}(r,!0);this.autoScroller.start(p,$,W)}else this.autoScroller.stop()}},_allowPut:function(){if(M===this.el)return!0;if(!this.options.group.put)return!1;var t=this.options.group,e=t.name,n=t.put,i=M[O].options.group;return n.join&&n.indexOf(i.name)>-1||i.name&&e&&i.name===e},_getDirection:function(){var t=this.options,e=t.draggable,n=t.direction;return n?"function"==typeof n?n.call(W.event,F,this):n:y(j,e)},_allowSwap:function(){var t=d(N),e="vertical"===this._getDirection(),n=e?"top":"left",i=e?"bottom":"right",o=N[e?"offsetHeight":"offsetWidth"],r=e?W.clientY:W.clientX,s=r>=t[n]&&r<t[i]-o/2?-1:1,l=v(j,0,this.options.draggable),a=m(j),u=d(l),c=d(a);if(N===j||p(j,N))return F===l&&r<u[n]?(L=N,!0):F===a&&r>c[i]&&(L=N.nextSibling,!0);var h=x(F,N);return L=h<0?N.nextSibling:N,X!==N?(Q=s,!0):Q!==s&&(Q=s,s<0?h>0:h<0)},_onMove:function(t,e){if(!this.options.disabled&&this._allowPut()){if(N=f(e,this.options.draggable,this.el),z({sortable:this,name:"onMove",params:this._getParams(t,{target:N})}),this.options.sortable||this.el!==M)return this.el===A||e!==this.el&&m(this.el)?void(N&&!N.animated&&!p(N,F)&&this._allowSwap()&&(N!==F&&L!==F?(this.el!==A?this._onInsert(t):N!==B&&this._onChange(t),X=N):X=N)):(N=X=null,void this._onInsert(t));A!==M&&(N=X=B,Q=0,this._onInsert(t))}},_onInsert:function(t){var e=N||F,n="clone"===P&&this.el!==M&&A===M,i="clone"===P&&this.el===M&&A!==M,o=p(N,document),r=N===B&&!o,s=A[O],l=M[O];E=this.el,q=g(F),K=e,j=o?N.parentNode:this.el,s.animator.collect(F.parentNode),this.animator.collect(j),n&&(V.target=G,V.newIndex=q,V.relative=G===B?0:x(F,G),w(B,"display",""),l.multiplayer.toggleVisible(!0),l.options.group.revertDrag||F.parentNode.insertBefore(B,F)),i&&(q=g(B),w(B,"display","none"),this.multiplayer.toggleVisible(!1)),w(F,"display",r?"none":""),N&&o?j.insertBefore(F,Q<0?N:N.nextSibling):j.appendChild(F),U=r?Y:g(F),n&&l.options.group.revertDrag&&(V.target=B,V.newIndex=Y,V.relative=0,z({sortable:l,name:"onChange",params:this._getParams(t,{to:M,target:B,newIndex:Y,revertDrag:!0})})),n||z({sortable:s,name:"onRemove",params:this._getParams(t,{newIndex:-1})}),i&&e!==B&&(G=e,z({sortable:this,name:"onChange",params:this._getParams(t,{from:M,backToOrigin:!0})})),i||z({sortable:this,name:"onAdd",params:this._getParams(t,{oldIndex:-1})}),s.animator.animate(),this.animator.animate(),A=this.el},_onChange:function(t){this.animator.collect(j),q=g(F),j=N.parentNode,K=N,this.el===M&&(G=N),j.insertBefore(F,L),U=g(F),z({sortable:this,name:"onChange",params:this._getParams(t)}),this.animator.animate(),A=this.el},_onDrop:function(t){this._cancelStart(),c(J,"touchmove",this._nearestSortable),c(J,"mousemove",this._nearestSortable),c(J,"mouseup",this._onDrop),c(J,"touchend",this._onDrop),c(J,"touchcancel",this._onDrop),M&&(A=M,q=Y,K===F&&(K=B),this.animator.collect(j),this.multiplayer.toggleChosenClass(!1),b(B,this.options.chosenClass,!1),z({sortable:this,name:"onUnchoose",params:this._getParams(t)}),W&&this._onEnd(t),!W&&this.animator.animate()),!nt(t.changedTouches?t.changedTouches[0]:t)&&this.multiplayer.onSelect(t,B,M,this),H&&H.parentNode&&H.parentNode.removeChild(H),this.autoScroller.stop(),this.multiplayer.nulling(),this._nulling()},_onEnd:function(t){b(F,this.options.chosenClass,!1),b(F,this.options.placeholderClass,!1);var n="clone"===P;this.multiplayer.onDrop(A,E,n);var i=this._getParams(t),o=this.options.swapOnDrop;n&&A!==E||!("function"==typeof o?o(i):o)||j.insertBefore(B,F),n&&A!==E&&!this.multiplayer.active()||F&&F.parentNode&&F.parentNode.removeChild(F),w(B,"display",""),this.animator.animate(),A!==E&&z({sortable:A[O],name:"onDrop",params:e({},i,n?V:{newIndex:-1})}),z({sortable:E[O],name:"onDrop",params:e({},i,A===E?{}:{oldIndex:-1})})},_getParams:function(t){var n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},i={};return i.event=t,i.to=E,i.from=A,i.node=B,i.clone=F,i.target=K,i.oldIndex=q,i.newIndex=U,i.pullMode=P,e(i,this.multiplayer.params(),n),i.relative=K===B?0:x(F,K),i},_nulling:function(){E=A=M=B=N=L=F=H=K=j=P=q=U=Y=$=W=X=V=G=J=Q=Z=it.clone=it.ghost=it.active=it.dragged=null},destroy:function(){this._cancelStart(),this._nulling(),this.multiplayer.nulling(),this.autoScroller.stop(),c(this.el,"touchstart",this._onDrag),c(this.el,"mousedown",this._onDrag);var t=tt.indexOf(this.el);t>-1&&tt.splice(t,1),this.el[O]=this.animator=this.multiplayer=this.autoScroller=null},option:function(t,e){if(void 0===e)return this.options[t];this.options[t]=e,this.animator.options[t]=e,this.multiplayer.options[t]=e,this.autoScroller.options[t]=e,"group"===t&&et(this.options)},select:function(t){this.multiplayer.select(t)},deselect:function(t){this.multiplayer.deselect(t)},getSelectedElements:function(){return this.multiplayer.selects}},it.utils={on:u,off:c,css:w,index:g,closest:f,getRect:d,toggleClass:b,detectDirection:y},it.get=function(t){return t[O]},it.create=function(t,e){return new it(t,e)},it}()}(f);var p=d(f.exports),m=["delay","group","handle","lockAxis","disabled","sortable","draggable","animation","autoScroll","ghostClass","ghostStyle","chosenClass","scrollSpeed","fallbackOnBody","scrollThreshold","delayOnTouchOnly","placeholderClass"],g=function(){return s((function t(e,n){o(this,t),this.el=e,this.options=n,this.reRendered=!1,this.installSortable()}),[{key:"destroy",value:function(){this.sortable.destroy(),this.reRendered=!1}},{key:"option",value:function(t,e){this.options[t]=e,m.includes(t)&&this.sortable.option(t,e)}},{key:"installSortable",value:function(){var t=this,e=m.reduce((function(e,n){return e[n]=t.options[n],e}),{});this.sortable=new p(this.el,Object.assign(Object.assign({},e),{emptyInsertThreshold:0,swapOnDrop:function(t){return t.from===t.to},onDrag:function(e){return t.onDrag(e)},onDrop:function(e){return t.onDrop(e)},onChoose:function(e){return t.onChoose(e)},onUnchoose:function(e){return t.onUnchoose(e)}}))}},{key:"onChoose",value:function(t){this.dispatchEvent("onChoose",t)}},{key:"onUnchoose",value:function(t){this.dispatchEvent("onUnchoose",t)}},{key:"onDrag",value:function(t){var e=t.node.getAttribute("data-key"),n=this.getIndex(e),i=this.options.list[n];this.sortable.option("store",{item:i,key:e,index:n}),this.dispatchEvent("onDrag",{item:i,key:e,index:n,event:t})}},{key:"onDrop",value:function(t){var e,n,i,o=null===(e=p.get(t.from))||void 0===e?void 0:e.option("store"),r=o.item,s=o.key,a=o.index,u=this.options.list,c={key:s,item:r,list:u,event:t,changed:!1,oldList:l(u),oldIndex:a,newIndex:a};t.from===t.to&&t.node===t.target||this.handleDropEvent(t,c,a),this.dispatchEvent("onDrop",c),t.from===this.el&&this.reRendered&&(null===(n=p.dragged)||void 0===n||n.remove()),t.from!==t.to&&"clone"===t.pullMode&&(null===(i=p.clone)||void 0===i||i.remove()),this.reRendered=!1}},{key:"handleDropEvent",value:function(t,e,n){var i=t.target.getAttribute("data-key"),o=-1,r=n;t.from===t.to?(((r=this.getIndex(e.key))<(o=this.getIndex(i))&&-1===t.relative||r>o&&1===t.relative)&&(o+=t.relative),o!==r&&(e.list.splice(r,1),e.list.splice(o,0,e.item))):(t.from===this.el&&(r=this.getIndex(e.key),e.list.splice(r,1)),t.to===this.el&&(r=-1,o=this.getIndex(i),0===t.relative?o=e.list.length:1===t.relative&&(o+=t.relative),e.list.splice(o,0,e.item))),e.changed=t.from!==t.to||o!==r,e.oldIndex=r,e.newIndex=o}},{key:"getIndex",value:function(t){return this.options.uniqueKeys.indexOf(t)}},{key:"dispatchEvent",value:function(t,e){var n=this.options[t];n&&n(e)}}])}();function v(t,e){var n,i=function(){for(var i=this,o=arguments.length,r=new Array(o),s=0;s<o;s++)r[s]=arguments[s];n||(e<=0?t.apply(this,r):n=setTimeout((function(){n=null,t.apply(i,r)}),e))};return i.cancel=function(){n&&(clearTimeout(n),n=null)},i}function y(t,e){return(Array.isArray(e)?e:e.replace(/\[/g,".").replace(/\]/g,".").split(".")).reduce((function(t,e){return(t||{})[e]}),t)}function b(t){return t instanceof Document&&9===t.nodeType||t instanceof Window}var S=["size","keeps","scroller","direction","debounceTime","throttleTime"],w=function(){return s((function t(e){o(this,t),this.options=e;var n={size:0,keeps:0,buffer:0,wrapper:null,scroller:null,direction:"vertical",uniqueKeys:[],debounceTime:null,throttleTime:null};for(var i in n)!(i in this.options)&&(this.options[i]=n[i]);this.sizes=new Map,this.sizeType="INIT",this.fixedSize=0,this.averageSize=0,this.range={start:0,end:0,front:0,behind:0},this.offset=0,this.direction="STATIONARY",this.updateScrollElement(),this.updateOnScrollFunction(),this.addScrollEventListener(),this.checkIfUpdate(0,e.keeps-1)}),[{key:"isFixed",value:function(){return"FIXED"===this.sizeType}},{key:"isFront",value:function(){return"FRONT"===this.direction}},{key:"isBehind",value:function(){return"BEHIND"===this.direction}},{key:"isHorizontal",value:function(){return"horizontal"===this.options.direction}},{key:"getSize",value:function(t){return this.sizes.get(t)||this.getItemSize()}},{key:"getOffset",value:function(){var t=this.isHorizontal()?"scrollLeft":"scrollTop";return this.scrollEl[t]}},{key:"getScrollSize",value:function(){var t=this.isHorizontal()?"scrollWidth":"scrollHeight";return this.scrollEl[t]}},{key:"getClientSize",value:function(){var t=this.isHorizontal()?"offsetWidth":"offsetHeight";return this.scrollEl[t]}},{key:"scrollToOffset",value:function(t){var e=this.isHorizontal()?"scrollLeft":"scrollTop";this.scrollEl[e]=t}},{key:"scrollToIndex",value:function(t){if(t>=this.options.uniqueKeys.length-1)this.scrollToBottom();else{var e=this.getOffsetByIndex(t),n=this.getScrollStartOffset();this.scrollToOffset(e+n)}}},{key:"scrollToBottom",value:function(){var t=this,e=this.getScrollSize();this.scrollToOffset(e),setTimeout((function(){var e=t.getClientSize(),n=t.getScrollSize();t.getOffset()+e+1<n&&t.scrollToBottom()}),5)}},{key:"option",value:function(t,e){var n=this,i=this.options[t];this.options[t]=e,"uniqueKeys"===t&&this.sizes.forEach((function(t,i){e.includes(i)||n.sizes.delete(i)})),"scroller"===t&&(i&&p.utils.off(i,"scroll",this.onScroll),this.updateScrollElement(),this.addScrollEventListener())}},{key:"updateRange",value:function(t){if(t)this.handleUpdate(t.start);else{var e=this.range.start;e=Math.max(e,0),this.handleUpdate(e)}}},{key:"onItemResized",value:function(t,e){e&&this.sizes.get(t)!==e&&(this.sizes.set(t,e),"INIT"===this.sizeType?(this.sizeType="FIXED",this.fixedSize=e):this.isFixed()&&this.fixedSize!==e&&(this.sizeType="DYNAMIC",this.fixedSize=0),this.averageSize||"DYNAMIC"!==this.sizeType||this.sizes.size!==this.options.keeps||this.updateAverageSize())}},{key:"updateAverageSize",value:function(){var t=l(this.sizes.values()).reduce((function(t,e){return t+e}),0);this.averageSize=Math.round(t/this.sizes.size)}},{key:"addScrollEventListener",value:function(){this.options.scroller&&p.utils.on(this.options.scroller,"scroll",this.onScroll)}},{key:"removeScrollEventListener",value:function(){this.options.scroller&&p.utils.off(this.options.scroller,"scroll",this.onScroll)}},{key:"enableScroll",value:function(t){var e=this.options.scroller,n=t?p.utils.off:p.utils.on,i="onwheel"in document.createElement("div")?"wheel":"mousewheel";n(e,"DOMMouseScroll",this.preventDefault),n(e,i,this.preventDefault),n(e,"touchmove",this.preventDefault),n(e,"keydown",this.preventDefaultForKeyDown)}},{key:"preventDefault",value:function(t){t.preventDefault()}},{key:"preventDefaultForKeyDown",value:function(t){if({37:1,38:1,39:1,40:1}[t.keyCode])return this.preventDefault(t),!1}},{key:"updateScrollElement",value:function(){var t=this.options.scroller;b(t)?this.scrollEl=document.scrollingElement||document.documentElement||document.body:this.scrollEl=t}},{key:"updateOnScrollFunction",value:function(){var t,e,n=this,i=this.options,o=i.debounceTime,r=i.throttleTime;this.onScroll=o?(t=v((function(){return n.handleScroll()}),o),e=function(){t.cancel(),t.apply(this,arguments)},e.cancel=function(){t.cancel()},e):r?v((function(){return n.handleScroll()}),r):function(){return n.handleScroll()}}},{key:"handleScroll",value:function(){var t=this.getOffset(),e=this.getClientSize(),n=this.getScrollSize();t===this.offset?this.direction="STATIONARY":this.direction=t<this.offset?"FRONT":"BEHIND",this.offset=t;var i=this.isFront()&&t<=0,o=this.isBehind()&&e+t+1>=n;this.options.onScroll({top:i,bottom:o,offset:t,direction:this.direction}),this.isFront()?this.handleScrollFront():this.isBehind()&&this.handleScrollBehind()}},{key:"handleScrollFront",value:function(){var t=this.getScrollItems();if(!(t>=this.range.start)){var e=Math.max(t-this.options.buffer,0);this.checkIfUpdate(e,this.getEndByStart(e))}}},{key:"handleScrollBehind",value:function(){var t=this.getScrollItems();t<this.range.start+this.options.buffer||this.checkIfUpdate(t,this.getEndByStart(t))}},{key:"getScrollItems",value:function(){var t=this.offset-this.getScrollStartOffset();if(t<=0)return 0;if(this.isFixed())return Math.floor(t/this.fixedSize);for(var e=0,n=this.options.uniqueKeys.length,i=0,o=0;e<=n;){if(i=e+Math.floor((n-e)/2),(o=this.getOffsetByIndex(i))===t)return i;o<t?e=i+1:o>t&&(n=i-1)}return e>0?--e:0}},{key:"checkIfUpdate",value:function(t,e){var n=this.options.keeps;this.options.uniqueKeys.length<=n?t=0:e-t<n-1&&(t=e-n+1),this.range.start!==t&&this.handleUpdate(t)}},{key:"handleUpdate",value:function(t){this.range.start=t,this.range.end=this.getEndByStart(t),this.range.front=this.getFrontOffset(),this.range.behind=this.getBehindOffset(),this.options.onUpdate(Object.assign({},this.range))}},{key:"getFrontOffset",value:function(){return this.isFixed()?this.fixedSize*this.range.start:this.getOffsetByIndex(this.range.start)}},{key:"getBehindOffset",value:function(){var t=this.range.end,e=this.getLastIndex();return this.isFixed()?(e-t)*this.fixedSize:(e-t)*this.getItemSize()}},{key:"getOffsetByIndex",value:function(t){if(!t)return 0;for(var e=0,n=0;n<t;n++){var i=this.sizes.get(this.options.uniqueKeys[n]);e+="number"==typeof i?i:this.getItemSize()}return e}},{key:"getEndByStart",value:function(t){return Math.min(t+this.options.keeps-1,this.getLastIndex())}},{key:"getLastIndex",value:function(){var t=this.options,e=t.uniqueKeys,n=t.keeps;return e.length>0?e.length-1:n-1}},{key:"getItemSize",value:function(){return this.isFixed()?this.fixedSize:this.options.size||this.averageSize}},{key:"getScrollStartOffset",value:function(){var t=this.options,e=t.wrapper,n=t.scroller;if(n===e)return 0;var i=0;if(n&&e){var o=this.isHorizontal()?"left":"top",r=b(n)?p.utils.getRect(e):p.utils.getRect(e,!0,n);i=this.offset+r[o]}return i}}])}();return n.default.component("virtual-list",{model:{prop:"dataSource",event:"updateDataSource"},props:u,data:function(){return{range:{start:0,end:0,front:0,behind:0},choosen:"",dragging:!1,lastList:[],lastLength:null,uniqueKeys:[],virtualRef:null,sortableRef:null}},computed:{isHorizontal:function(){return"vertical"!==this.direction},itemSizeKey:function(){return this.isHorizontal?"offsetWidth":"offsetHeight"},virtualAttributes:function(){var t=this;return S.reduce((function(e,n){return e[n]=t[n],e}),{})},sortableAttributes:function(){var t=this;return m.reduce((function(e,n){return e[n]=t[n],e}),{})}},watch:{dataSource:{handler:function(){this._onUpdate()},deep:!0},virtualAttributes:{handler:function(t,e){if(this.virtualRef)for(var n in t)t[n]!=e[n]&&this.virtualRef.option(n,t[n])}},sortableAttributes:{handler:function(t,e){if(this.sortableRef)for(var n in t)t[n]!=e[n]&&this.sortableRef.option(n,t[n])}}},activated:function(){this.scrollToOffset(this.virtualRef.offset),this.virtualRef.addScrollEventListener()},deactivated:function(){this.virtualRef.removeScrollEventListener()},created:function(){this.range.end=this.keeps-1,this._onUpdate()},mounted:function(){this._installVirtual(),this._installSortable()},beforeDestroy:function(){var t,e;null===(t=this.sortableRef)||void 0===t||t.destroy(),null===(e=this.virtualRef)||void 0===e||e.removeScrollEventListener()},methods:{getSize:function(t){return this.virtualRef.getSize(t)},getOffset:function(){return this.virtualRef.getOffset()},getClientSize:function(){return this.virtualRef.getClientSize()},getScrollSize:function(){return this.virtualRef.getScrollSize()},scrollToKey:function(t){var e=this.uniqueKeys.indexOf(t);e>-1&&this.virtualRef.scrollToIndex(e)},scrollToIndex:function(t){this.virtualRef.scrollToIndex(t)},scrollToOffset:function(t){this.virtualRef.scrollToOffset(t)},scrollToTop:function(){this.virtualRef.scrollToOffset(0)},scrollToBottom:function(){this.virtualRef.scrollToBottom()},_onUpdate:function(){var t;if(this._updateUniqueKeys(),this._updateRange(this.lastList,this.dataSource),null===(t=this.sortableRef)||void 0===t||t.option("list",this.dataSource),this.lastLength&&this.keepOffset){var e=this.dataSource.length-this.lastLength;e>0&&this.scrollToIndex(e),this.lastLength=null}this.lastList=l(this.dataSource)},_updateUniqueKeys:function(){var t,e,n=this;this.uniqueKeys=this.dataSource.map((function(t){return y(t,n.dataKey)})),null===(t=this.virtualRef)||void 0===t||t.option("uniqueKeys",this.uniqueKeys),null===(e=this.sortableRef)||void 0===e||e.option("uniqueKeys",this.uniqueKeys)},_updateRange:function(t,e){var n;if((t.length||e.length)&&t.length!==e.length){var i=Object.assign({},this.range);e.length>t.length&&this.range.end===t.length-1&&this._scrolledToBottom()&&i.start++,null===(n=this.virtualRef)||void 0===n||n.updateRange(i)}},_scrolledToBottom:function(){return this.getOffset()+this.getClientSize()+1>=this.getScrollSize()},_installVirtual:function(){var t=this;this.virtualRef=new w(Object.assign(Object.assign({},this.virtualAttributes),{buffer:Math.round(this.keeps/3),wrapper:this.$refs.wrapRef,scroller:this.scroller||this.$refs.rootRef,uniqueKeys:this.uniqueKeys,onScroll:function(e){t.lastLength=null,t.dataSource.length&&e.top?t._handleToTop():e.bottom&&t._handleToBottom()},onUpdate:function(e){var n,i=e.start!==t.range.start;t.dragging&&i&&(t.sortableRef.reRendered=!0),t.range=e,null===(n=t.sortableRef)||void 0===n||n.option("range",e),i&&t.$emit("rangeChange",e)}}))},_installSortable:function(){var t=this;this.sortableRef=new g(this.$refs.rootRef,Object.assign(Object.assign({},this.sortableAttributes),{list:this.dataSource,uniqueKeys:this.uniqueKeys,onChoose:function(e){t.choosen=e.node.getAttribute("data-key")},onUnChoose:function(){t.choosen=""},onDrag:function(e){t.dragging=!0,t.sortable||(t.virtualRef.enableScroll(!1),t.sortableRef.option("autoScroll",!1)),t.$emit("drag",e)},onDrop:function(e){t.dragging=!1,t.virtualRef.enableScroll(!0),t.sortableRef.option("autoScroll",t.autoScroll),e.changed&&t.$emit("updateDataSource",e.list),t.$emit("drop",e)}}))},_handleToTop:v((function(){this.$emit("top"),this.lastLength=this.dataSource.length}),50),_handleToBottom:v((function(){this.$emit("bottom")}),50),_onItemResized:function(t,e){if(t!==this.choosen){var n=this.virtualRef.sizes.size,i=Math.min(this.keeps,this.dataSource.length);this.virtualRef.onItemResized(t,e),n===i-1&&this.virtualRef.updateRange(this.range)}},_renderSpacer:function(t,e){return this.tableMode?t("tr",{},[t("td",{style:{padding:0,border:0,height:"".concat(e,"px")}})]):null},_renderItems:function(t){var e=[],n=this.range,i=n.start,o=n.end,r=n.front,s=n.behind;e.push(this._renderSpacer(t,r));for(var l=i;l<=o;l++){var a=this.dataSource[l];if(a){var u=y(a,this.dataKey),c=this.dragging&&u==this.choosen&&{display:"none"};e.push(this.$scopedSlots.item?t(h,{key:u,attrs:{"data-key":u},props:{dataKey:u,sizeKey:this.itemSizeKey},on:{resized:this._onItemResized},style:c,class:this.itemClass},this.$scopedSlots.item({record:a,index:l,dataKey:u})):null)}}return e.push(this._renderSpacer(t,s)),e}},render:function(t){var e=this.range,n=e.front,i=e.behind,o=this.tableMode,r=this.isHorizontal,s=this.rootTag,l=this.wrapTag,a=r?"0px ".concat(i,"px 0px ").concat(n,"px"):"".concat(n,"px 0px ").concat(i,"px"),u=r?"auto hidden":"hidden auto",c=o?"tbody":l;return t(o?"table":s,{ref:"rootRef",style:this.scroller||o?{}:{overflow:u}},[this.$slots.header,t(c,{ref:"wrapRef",class:this.wrapClass,style:Object.assign(Object.assign({},this.wrapStyle),{padding:!o&&a})},this._renderItems(t)),this.$slots.footer])}})}));

package.json

 {
   "name": "vue-virtual-draglist",
-  "version": "2.9.2",
+  "version": "2.9.3",
   "description": "A virtual scrolling list component that can be sorted by dragging",
@@ -11,4 +11,6 @@ "main": "dist/virtual-drag-list.min.js",
     "lint": "eslint --fix src --ext .js",
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "build": "rollup --config"
+    "build": "rollup --config",
+    "core:update": "git submodule update --remote",
+    "docs:dev": "vuepress dev docs --temp .temp",
+    "docs:build": "vuepress build docs"
   },
@@ -44,4 +46,4 @@ "repository": {
     "@babel/core": "^7.8.7",
-    "@babel/plugin-syntax-jsx": "^7.16.5",
     "@babel/preset-env": "^7.8.7",
+    "@babel/preset-typescript": "^7.25.7",
     "@rollup/plugin-babel": "^6.0.4",
@@ -51,16 +53,14 @@ "@rollup/plugin-commonjs": "^25.0.7",
     "@rollup/plugin-terser": "^0.4.4",
-    "@vue/compiler-sfc": "^3.2.26",
-    "babel-core": "^7.0.0-bridge.0",
-    "babel-eslint": "^10.1.0",
+    "@rollup/plugin-typescript": "^8.3.3",
     "cross-env": "^7.0.3",
-    "eslint": "^6.2.1",
-    "eslint-config-prettier": "^6.15.0",
-    "eslint-plugin-prettier": "^3.4.1",
-    "eslint-plugin-vue": "^8.2.0",
+    "mockjs": "^1.1.0",
     "prettier": "^2.8.4",
     "rollup": "^2.79.1",
+    "tslib": "^2.8.0",
+    "typescript": "^4.3.5",
     "vue": "^2.6.14",
     "vue-loader": "^17.2.2",
-    "vue-template-compiler": "^2.6.14"
+    "vue-template-compiler": "^2.6.14",
+    "vuepress": "^1.9.10"
   }
 }

README.md

@@ -53,5 +53,2 @@ # vue-virtual-draglist
   },
-  methods: {
-
-  }
 }
@@ -120,2 +117,3 @@ </script>
 | `chosenClass`      | `String`  | `''`                     | Class name for the chosen item                               |
+| `placeholderClass` | `String`  | `''`                     | Class name for the drop placeholder                          |
 
@@ -122,0 +120,0 @@ ## Methods

New alerts

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License

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Found 1 instance in 1 package

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Maintenance

The maintainer of the package marked it as deprecated. This could indicate that a single version should not be used, or that the package is no longer maintained and any new vulnerabilities will not be fixed.

Found 1 instance in 1 package

Fixed alerts

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This package is not allowed per your license policy. Review the package's license to ensure compliance.

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No tests

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Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

123106

increased by2.72%

Dev dependency count

18

decreased by-10%

Lines of code

2143

increased by4.18%

Number of low quality alerts

1

decreased by-50%

Worsened metrics

Number of medium maintenance alerts

1

increased byInfinity%

Number of lines in readme file

133

decreased by-1.48%

No dependency changes