huge-tree/dist/huge-tree.js

vue组件，海量数据 tree、list,支持20w+，虚拟滚动<br>

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this.count?this.big.filterList.filter(function(t){return!t.isHidden}):[]},phantomHeight:function(){return this.unHiddenList.length*this.itemHeigth},renderList:function(){return this.unHiddenList.slice(this.startIndex,this.endIndex)}},watch:{defaultCheckedKeys:function(t,e){t!==e&&this.setCheckedKeys(t)},expandKeys:function(t,e){t!==e&&this.setExpand(t)}},created:function(){var t,e;this.big=new g,this.big.checkedKeys=JSON.parse(JSON.stringify(this.defaultCheckedKeys)),this.throttleSrcoll=y(this.setRenderRange,80),this.debounceInput=(t=this.init,e=300,function(n){clearTimeout(t.timer),t.timer=setTimeout(function(){t()},e)})},beforeDestroy:function(){this.clear()},methods:{setData:function(t){this.clear(),this.big._data=t,this.init("init")},init:function(t){var e=this;0!==this.big._data.length&&("init"===t&&(this.flatTree(this.big._data),this.big.list.forEach(function(t){return e.big.listMap[t.id]=t})),this.initFilter(t),"init"!==t&&"restore"!==t||this.initExpand(),this.setCheckedKeys(this.big.checkedKeys),this.backToTop())},flatTree:function(t){var e=this;a({tree:t,init:!0},function(t){e.big.list.push(t)})},initExpand:function(){var t=this;this.big&&0!==this.big._data.length&&(this.expandKeys.length>0?this.setExpand(this.expandKeys):(/^\d+$/.test(this.expandLevel)?this.big.filterList.forEach(function(e){e.isExpand=Boolean(e.path.length<t.expandLevel),e.isHidden=Boolean(e.path.length>t.expandLevel),t.initNode(e)}):this.big.filterList.forEach(function(e){e.isExpand=!0,e.isHidden=!1,t.initNode(e)}),this.setCount()))},setExpand:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];if(!(e.length<=0)&&this.big&&0!==this.big._data.length){var n=e.map(function(e){return t.big.listMap[e]}).filter(function(t){return t}),r=Array.from(new Set(n.map(function(t){return t.path}).flat(1)));this.big.filterList.forEach(function(e){e.isLeaf?(e.isExpand=!1,e.isHidden=Boolean(!r.includes(e.parentId))):(e.isExpand=Boolean(r.includes(e.id)),e.isHidden=!1),t.initNode(e)}),this.setCount()}},initNode:function(t){t.checked=t.checked||!1,t.indeterminate=t.indeterminate||!1,t.disabled=t.disabled||!1},setCheckedKeys:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];if(Array.isArray(e)){this.clearChecked();var n=e.map(function(e){return t.big.listMap[e]});n.forEach(function(e,r){e&&e.isLeaf&&(e.checked=!0,f(e,n[r+1])||t.handleCheckedChange(e))}),this.emitChecked()}else console.warn("The argument to function setCheckedKeys must be an array")},setCheckedNodes:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:[];if(Array.isArray(t)){if(t.length>0){var e=t.map(function(t){return t.id});this.setCheckedKeys(e)}}else console.warn("The argument to function setCheckedNodes must be an array")},getCheckedKeys:function(){return this.big.checkedKeys},getCheckedNodes:function(){return this.big.checkedNodes},onExpand:function(t){t.isExpand=!t.isExpand,this.showOrHiddenChildren(t,!t.isExpand)},onChecked:function(t){this.handleCheckedChange(t),this.emitChecked(),this.$emit("onClickCheckbox",t)},emitChecked:function(){this.big.checkedNodes=this.big.list.filter(function(t){return t.checked||t.indeterminate}),this.big.checkedKeys=this.big.checkedNodes.map(function(t){return t.id}),this.$emit("onChange",{checkedKeys:this.big.checkedKeys,checkedNodes:this.big.checkedNodes}),this.setCount()},handleCheckedChange:function(t){var e=this;this.checkStriclty?t.indeterminate=!t.isLeaf&&t.checked:(t.checked&&(t.indeterminate=!1),this.doChildrenChecked(t),this.doParentChecked(t.parentId),this.big.disabledList.forEach(function(t,n){f(t,e.big.disabledList[n+1])||e.doParentChecked(t.parentId)}))},showOrHiddenChildren:function(t,e){t.isLeaf||(e?a({tree:t.children},function(t){t.isHidden=e,t.isExpand=!1}):t.children.forEach(function(t){t.isHidden=e,t.isExpand=!1}),this.setCount())},doChildrenChecked:function(t){if(t.children){var e=t.checked;a({tree:t.children},function(t){t.isLeaf&&t.disabled||(t.indeterminate=!1,t.checked=e)})}},doParentChecked:function(t){if(null!=t){var e=u(this.big.filterTree,t),n=function t(e,n){if(Array.isArray(e)){if(!e||0===e.length)return{};var r=e.find(function(t){return t.id===n});return r||t(e.filter(function(t){return t.children}).map(function(t){return t.children}).flat(1),n)}console.warn("The parameter tree to function findNode must be an array")}(this.big.filterTree,t),r=e.every(function(t){return t.checked});this.checkParentIndeterminate(n,e),n.checked=r,r&&(n.indeterminate=!1),null!==n.parentId&&this.doParentChecked(n.parentId)}},checkParentIndeterminate:function(t,e){var n=e.some(function(t){return t.checked}),r=e.some(function(t){return!t.checked}),i=n&&r,o=e.some(function(t){return t.indeterminate}),c=i||o;t.indeterminate=!!c,e.forEach(function(t){t.checked&&(t.indeterminate=!1)})},onScroll:function(){this.throttleSrcoll()},setRenderRange:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.$refs["content-wrap"].scrollTop,e=Math.ceil(this.$el.clientHeight/this.itemHeigth)+40,n=Math.floor(t/this.itemHeigth);this.startIndex=n>20?n-20:0,this.endIndex=this.startIndex+e,this.setCount()},initFilter:function(t){var e=this;this.setFilterList(t),this.setCount(),this.big.filterTree=function(t){if(Array.isArray(t)){if(!t||0===t.length)return[];var e={};return t.forEach(function(t){t.childrenMap={},(function t(e,n){var r=n.slice(),i=r.shift();return r.length>1?t(e[i].childrenMap,r):1===r.length?e[i].childrenMap:e}(e,t.path))[t.id]=t}),function t(e){var n=Object.values(e),r=!0,i=!1,o=void 0;try{for(var c,s=n[Symbol.iterator]();!(r=(c=s.next()).done);r=!0){var a=c.value;a.children=Object.values(a.childrenMap),a.children&&a.children.length>0&&t(a.childrenMap)}}catch(t){i=!0,o=t}finally{try{!r&&s.return&&s.return()}finally{if(i)throw o}}}(e),Object.values(e)}console.warn("The parameter filterList to function listToTree must be an array")}(this.big.filterList),function t(e,n){var r=e.tree,i=e.limitDeep,o=void 0===i?Number.MAX_SAFE_INTEGER:i,c=e.deep,s=void 0===c?0:c;Array.isArray(r)?r&&0!==r.length&&(r.forEach(function(t){n&&n(t)}),t({tree:r.filter(function(t){return t.children}).map(function(t){return t.children}).flat(1),limitDeep:o,deep:s++},n)):console.warn("The tree in the first argument to function breadthFirstEach must be an array")}({tree:this.big.filterTree},function(t){t.isLeaf||(t.leafCount=function(t,e){var n=u(t,e.id),r=0;return a({tree:n},function(t){t.isLeaf&&r++}),r}(e.big.filterTree,t))}),this.big.disabledList=this.big.filterList.filter(function(t){return t.disabled})},setFilterList:function(t){var e=this;if("showCheckedOnly"!==t)return this.isOnlyInCheckedSearch&&this.big.allCheckedList.length>0?""===this.keyword.trim()?void(this.big.filterList=this.big.allCheckedList):void(this.big.filterList=this.big.allCheckedList.filter(function(t){return s(t,e.keyword,e.big.allCheckedList)})):void(""!==this.keyword.trim()?this.big.filterList=this.big.list.filter(function(t){return s(t,e.keyword,e.big.list)}):this.big.filterList=this.big.list);this.big.filterList=this.big.list.filter(function(t){var n=function t(e,n){return!(!e.checked&&!e.indeterminate)||!e.isLeaf&&n.filter(function(t){return t.parentId===e.id}).some(function(e){return t(e,n)})}(t,e.big.list);return n&&(t.checked=!0,t.indeterminate=!1),n})},backToTop:function(){var t=this;this.$nextTick(function(){t.$refs["content-wrap"].scrollTop=0,t.setRenderRange()})},clearChecked:function(){this.big.list.forEach(function(t){t.checked=!1,t.indeterminate=!1})},setCount:function(){this.count++},showCheckedOnly:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.keyword="",this.init("showCheckedOnly"),this.isOnlyInCheckedSearch=t,this.big.allCheckedList=t?this.big.checkedNodes.slice():[]},restore:function(){this.isOnlyInCheckedSearch=!1,this.big.allCheckedList=[],this.init("restore")},update:function(){this.setCount()},clear:function(){this.count=1,this.keyword="",this.isSearching=!1,this.startIndex=0,this.endIndex=70,this.isOnlyInCheckedSearch=!1,function t(e){"function"!=typeof e&&null!==e&&"object"===(void 0===e?"undefined":b()(e))?Object.keys(e).forEach(function(n){t(e[n]),e[n]=null}):e=null}(this.big.list),this.big&&(this.big._data=[],this.big.list=[],this.big.filterList=[],this.big.listMap={},this.big.filterTree=[],this.big.disabledList=[],this.big.checkedKeys=[],this.big.checkedNodes=[])}}},m=(n(86),d(v,function(){var t=this,e=t.$createElement,n=t._self._c||e;return n("div",{staticClass:"huge-tree"},[t.hasInput?n("section",{staticClass:"search-bar"},[t._t("pre-input"),t._v(" "),n("div",{staticClass:"input"},[n("input",{directives:[{name:"model",rawName:"v-model",value:t.keyword,expression:"keyword"}],staticClass:"filter-input",attrs:{type:"text",placeholder:t.placeholder},domProps:{value:t.keyword},on:{keyup:function(e){return e.type.indexOf("key")||13===e.keyCode?t.init(e):null},input:[function(e){e.target.composing||(t.keyword=e.target.value)},t.debounceInput]}}),t._v(" "),t.keyword?n("i",{staticClass:"clear-input",on:{click:function(e){t.keyword="",t.init()}}}):t._e()]),t._v(" "),n("button",{staticClass:"search-btn",on:{click:t.init}},[t._v("搜索")])],2):t._e(),t._v(" "),n("section",{ref:"content-wrap",staticClass:"content-wrap",on:{scroll:t.onScroll}},[n("div",{staticClass:"tree-phantom",style:"height: "+t.phantomHeight+"px"}),t._v(" "),n("div",{staticClass:"tree-content",style:"transform: translateY("+t.startIndex*t.itemHeigth+"px)"},[t._l(t.renderList,function(e,r){return[e.path?n("section",{key:"k"+r,class:["item",{"is-hidden":e.isHidden}],style:"margin-left: "+(e.path.length-1)*Number(t.indent)+"px"},[e.isLeaf?t._e():n("div",{class:[e.isLeaf?"leaf-node":"expand-node",{"is-expand":e.isExpand}],on:{click:function(n){return t.onExpand(e,r)}}}),t._v(" "),n("dt-checkbox",{class:{"is-disabled":e.disabled},attrs:{indeterminate:e.indeterminate,disabled:e.disabled,isLeaf:e.isLeaf,showCheckboxLeafOnly:t.showCheckboxLeafOnly,checkedAction:t.checkedAction,showCheckbox:t.showCheckbox,checkStriclty:t.checkStriclty,node:e},on:{"on-checked":function(n){return t.onChecked(e,r)},"on-click-label":function(n){return t.$emit("onClickLabel",e)}},model:{value:e.checked,callback:function(n){t.$set(e,"checked",n)},expression:"item.checked"}},[n("div",{staticClass:"label"},[t._t("default",[t._v(t._s(e.label))],{slotScope:e}),t._v(" "),e.isLeaf?t._e():n("i",{staticClass:"count"},[t._v("("+t._s(e.leafCount)+")")])],2)])],1):t._e()]})],2)]),t._v(" "),t.renderList.length<=0?n("section",{staticClass:"no-data"},[t.isLoading||t.isSearching?n("p",[t._t("loading",[t._v("loading...")])],2):n("p",[t._v(t._s(t.emptyText))])]):t._e()])},[],!1,null,null,null).exports);m.install=function(t){t.component(m.name,m)};var x=m,k={name:"BtmHugeList",components:{},props:{itemHeight:{type:[Number,String],default:32},isLoading:{type:Boolean,default:!1},emptyText:{type:String,default:"暂无数据"}},data:function(){return this.list=[],{count:1,throttleSrcoll:"",startIndex:0,endIndex:100}},computed:{phantomHeight:function(){return this.count&&this.list.length*this.itemHeight},renderList:function(){return this.count&&this.list.slice(this.startIndex,this.endIndex)}},mounted:function(){this.throttleSrcoll=y(this.setRenderList,80)},methods:{onScroll:function(){this.throttleSrcoll()},setData:function(t){this.list=t},update:function(){this.count++},setRenderList:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.$refs["huge-list"].scrollTop,e=Math.ceil(this.$el.clientHeight/this.itemHeight)+40,n=Math.floor(t/this.itemHeight);this.startIndex=n>20?n-20:0,this.endIndex=this.startIndex+e,this.update()},onClick:function(t){this.$emit("onClick",t)}}},w=(n(88),d(k,function(){var t=this,e=t.$createElement,n=t._self._c||e;return n("div",{ref:"huge-list",staticClass:"huge-list",on:{scroll:t.onScroll}},[n("div",{staticClass:"list-phantom",style:"height: "+t.phantomHeight+"px"}),t._v(" "),t.list.length>0?n("ul",{staticClass:"list-content",style:"transform: translateY("+t.startIndex*t.itemHeight+"px)"},t._l(t.renderList,function(e,r){return n("li",{key:r,on:{click:function(n){return t.onClick(e)}}},[t._t("default",[t._v(t._s(e))],{slotScope:e})],2)}),0):n("section",{staticClass:"no-data"},[t.isLoading?n("p",[t._t("loading",[t._v("loading...")])],2):n("p",[t._v(t._s(t.emptyText))])])])},[],!1,null,null,null).exports);w.install=function(t){t.component(w.name,w)};var C=w,S=[x,C],_=function(t){arguments.length>1&&void 0!==arguments[1]&&arguments[1];S.forEach(function(e){t.component(e.name,e)})};"undefined"!=typeof window&&window.Vue&&_(window.Vue);e.default={install:_,HugeTree:x,HugeList:C}}]).default});