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3 lines
23 KiB
JavaScript
3 lines
23 KiB
JavaScript
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window.document&&(e===window.document.documentElement||e===window.document.body)&&(e=window),e},getScroll(){const{$el:e,direction:t}=this,i=t==="vertical";let s;if(this.pageMode){const r=e.getBoundingClientRect(),o=i?r.height:r.width;let l=-(i?r.top:r.left),a=i?window.innerHeight:window.innerWidth;l<0&&(a+=l,l=0),l+a>o&&(a=o-l),s={start:l,end:l+a}}else i?s={start:e.scrollTop,end:e.scrollTop+e.clientHeight}:s={start:e.scrollLeft,end:e.scrollLeft+e.clientWidth};return s},applyPageMode(){this.pageMode?this.addListeners():this.removeListeners()},addListeners(){this.listenerTarget=this.getListenerTarget(),this.listenerTarget.addEventListener("scroll",this.handleScroll,E?{passive:!0}:!1),this.listenerTarget.addEventListener("resize",this.handleResize)},removeListeners(){!this.listenerTarget||(this.listenerTarget.removeEventListener("scroll",this.handleScroll),this.listenerTarget.removeEventListener("resize",this.handleResize),this.listenerTarget=null)},scrollToItem(e){let t;this.itemSize===null?t=e>0?this.sizes[e-1].accumulator:0:t=Math.floor(e/this.gridItems)*this.itemSize,this.scrollToPosition(t)},scrollToPosition(e){const t=this.direction==="vertical"?{scroll:"scrollTop",start:"top"}:{scroll:"scrollLeft",start:"left"};let i,s,r;if(this.pageMode){const o=W(this.$el),l=o.tagName==="HTML"?0:o[t.scroll],a=o.getBoundingClientRect(),d=this.$el.getBoundingClientRect()[t.start]-a[t.start];i=o,s=t.scroll,r=e+l+d}else i=this.$el,s=t.scroll,r=e;i[s]=r},itemsLimitError(){throw setTimeout(()=>{console.log("It seems the scroller element isn't scrolling, so it tries to render all the items at once.","Scroller:",this.$el),console.log("Make sure the scroller has a fixed height (or width) and 'overflow-y' (or 'overflow-x') set to 'auto' so it can scroll correctly and only render the items visible in the scroll viewport.")}),new Error("Rendered items limit reached")},sortViews(){this.pool.sort((e,t)=>e.index-t.index)}}};const Se={key:0,ref:"before",class:"vue-recycle-scroller__slot"},$e={key:1,ref:"after",class:"vue-recycle-scroller__slot"};function _e(e,t,i,s,r,o){const l=Vue.resolveComponent("ResizeObserver"),a=Vue.resolveDirective("observe-visibility");return Vue.withDirectives((Vue.openBlock(),Vue.createElementBlock("div",{class:Vue.normalizeClass(["vue-recycle-scroller",{ready:r.ready,"page-mode":i.pageMode,[`direction-${e.direction}`]:!0}]),onScrollPassive:t[0]||(t[0]=(...n)=>o.handleScroll&&o.handleScroll(...n))},[e.$slots.before?(Vue.openBlock(),Vue.createElementBlock("div",Se,[Vue.renderSlot(e.$slots,"before")],512)):Vue.createCommentVNode("v-if",!0),(Vue.openBlock(),Vue.createBlock(Vue.resolveDynamicComponent(i.listTag),{ref:"wrapper",style:Vue.normalizeStyle({[e.direction==="vertical"?"minHeight":"minWidth"]:r.totalSize+"px"}),class:Vue.normalizeClass(["vue-recycle-scroller__item-wrapper",i.listClass])},{default:Vue.withCtx(()=>[(Vue.openBlock(!0),Vue.createElementBlock(Vue.Fragment,null,Vue.renderList(r.pool,n=>(Vue.openBlock(),Vue.createBlock(Vue.resolveDynamicComponent(i.itemTag),Vue.mergeProps({key:n.nr.id,style:r.ready?{transform:`translate${e.direction==="vertical"?"Y":"X"}(${n.position}px) translate${e.direction==="vertical"?"X":"Y"}(${n.offset}px)`,width:i.gridItems?`${e.direction==="vertical"&&i.itemSecondarySize||i.itemSize}px`:void 0,height:i.gridItems?`${e.direction==="horizontal"&&i.itemSecondarySize||i.itemSize}px`:void 0}:null,class:["vue-recycle-scroller__item-view",[i.itemClass,{hover:!i.skipHover&&r.hoverKey===n.nr.key}]]},Vue.toHandlers(i.skipHover?{}:{mouseenter:()=>{r.hoverKey=n.nr.key},mouseleave:()=>{r.hoverKey=null}})),{default:Vue.withCtx(()=>[Vue.renderSlot(e.$slots,"default",{item:n.item,index:n.nr.index,active:n.nr.used})]),_:2},1040,["style","class"]))),128)),Vue.renderSlot(e.$slots,"empty")]),_:3},8,["style","class"])),e.$slots.after?(Vue.openBlock(),Vue.createElementBlock("div",$e,[Vue.renderSlot(e.$slots,"after")],512)):Vue.createCommentVNode("v-if",!0),Vue.createVNode(l,{onNotify:o.handleResize},null,8,["onNotify"])],34)),[[a,o.handleVisibilityChange]])}B.render=_e;B.__file="src/components/RecycleScroller.vue";var Q={name:"DynamicScroller",components:{RecycleScroller:B},provide(){return typeof ResizeObserver<"u"&&(this.$_resizeObserver=new ResizeObserver(e=>{requestAnimationFrame(()=>{if(!!Array.isArray(e)){for(const t of e)if(t.target){const i=new CustomEvent("resize",{detail:{contentRect:t.contentRect}});t.target.dispatchEvent(i)}}})})),{vscrollData:this.vscrollData,vscrollParent:this,vscrollResizeObserver:this.$_resizeObserver}},inheritAttrs:!1,props:{...G,minItemSize:{type:[Number,String],required:!0}},emits:["resize","visible"],data(){return{vscrollData:{active:!0,sizes:{},validSizes:{},keyField:this.keyField,simpleArray:!1}}},computed:{simpleArray:J,itemsWithSize(){const e=[],{items:t,keyField:i,simpleArray:s}=this,r=this.vscrollData.sizes,o=t.length;for(let l=0;l<o;l++){const a=t[l],n=s?l:a[i];let d=r[n];typeof d>"u"&&!this.$_undefinedMap[n]&&(d=0),e.push({item:a,id:n,size:d})}return e}},watch:{items(){this.forceUpdate(!1)},simpleArray:{handler(e){this.vscrollData.simpleArray=e},immediate:!0},direction(e){this.forceUpdate(!0)},itemsWithSize(e,t){const i=this.$el.scrollTop;let s=0,r=0;const o=Math.min(e.length,t.length);for(let a=0;a<o&&!(s>=i);a++)s+=t[a].size||this.minItemSize,r+=e[a].size||this.minItemSize;const l=r-s;l!==0&&(this.$el.scrollTop+=l)}},beforeCreate(){this.$_updates=[],this.$_undefinedSizes=0,this.$_undefinedMap={},this.$_events=me()},activated(){this.vscrollData.active=!0},deactivated(){this.vscrollData.active=!1},unmounted(){this.$_events.all.clear()},methods:{onScrollerResize(){this.$refs.scroller&&this.forceUpdate(),this.$emit("resize")},onScrollerVisible(){this.$_events.emit("vscroll:update",{force:!1}),this.$emit("visible")},forceUpdate(e=!0){(e||this.simpleArray)&&(this.vscrollData.validSizes={}),this.$_events.emit("vscroll:update",{force:!0})},scrollToItem(e){const t=this.$refs.scroller;t&&t.scrollToItem(e)},getItemSize(e,t=void 0){const i=this.simpleArray?t!=null?t:this.items.indexOf(e):e[this.keyField];return this.vscrollData.sizes[i]||0},scrollToBottom(){if(this.$_scrollingToBottom)return;this.$_scrollingToBottom=!0;const e=this.$el;this.$nextTick(()=>{e.scrollTop=e.scrollHeight+5e3;const t=()=>{e.scrollTop=e.scrollHeight+5e3,requestAnimationFrame(()=>{e.scrollTop=e.scrollHeight+5e3,this.$_undefinedSizes===0?this.$_scrollingToBottom=!1:requestAnimationFrame(t)})};requestAnimationFrame(t)})}}};function Ve(e,t,i,s,r,o){const l=Vue.resolveComponent("RecycleScroller");return Vue.openBlock(),Vue.createBlock(l,Vue.mergeProps({ref:"scroller",items:o.itemsWithSize,"min-item-size":i.minItemSize,direction:e.direction,"key-field":"id","list-tag":e.listTag,"item-tag":e.itemTag},e.$attrs,{onResize:o.onScrollerResize,onVisible:o.onScrollerVisible}),{default:Vue.withCtx(({item:a,index:n,active:d})=>[Vue.renderSlot(e.$slots,"default",Vue.normalizeProps(Vue.guardReactiveProps({item:a.item,index:n,active:d,itemWithSize:a})))]),before:Vue.withCtx(()=>[Vue.renderSlot(e.$slots,"before")]),after:Vue.withCtx(()=>[Vue.renderSlot(e.$slots,"after")]),empty:Vue.withCtx(()=>[Vue.renderSlot(e.$slots,"empty")]),_:3},16,["items","min-item-size","direction","list-tag","item-tag","onResize","onVisible"])}Q.render=Ve;Q.__file="src/components/DynamicScroller.vue";var we={name:"DynamicScrollerItem",inject:["vscrollData","vscrollParent","vscrollResizeObserver"],props:{item:{required:!0},watchData:{type:Boolean,default:!1},active:{type:Boolean,required:!0},index:{type:Number,default:void 0},sizeDependencies:{type:[Array,Object],default:null},emitResize:{type:Boolean,default:!1},tag:{type:String,default:"div"}},emits:["resize"],computed:{id(){if(this.vscrollData.simpleArray)return this.index;if(this.item.hasOwnProperty(this.vscrollData.keyField))return this.item[this.vscrollData.keyField];throw new Error(`keyField '${this.vscrollData.keyField}' not found in your item. You should set a valid keyField prop on your Scroller`)},size(){return this.vscrollData.validSizes[this.id]&&this.vscrollData.sizes[this.id]||0},finalActive(){return this.active&&this.vscrollData.active}},watch:{watchData:"updateWatchData",id(){this.size||this.onDataUpdate()},finalActive(e){this.size||(e?this.vscrollParent.$_undefinedMap[this.id]||(this.vscrollParent.$_undefinedSizes++,this.vscrollParent.$_undefinedMap[this.id]=!0):this.vscrollParent.$_undefinedMap[this.id]&&(this.vscrollParent.$_undefinedSizes--,this.vscrollParent.$_undefinedMap[this.id]=!1)),this.vscrollResizeObserver?e?this.observeSize():this.unobserveSize():e&&this.$_pendingVScrollUpdate===this.id&&this.updateSize()}},created(){if(!this.$isServer&&(this.$_forceNextVScrollUpdate=null,this.updateWatchData(),!this.vscrollResizeObserver)){for(const e in this.sizeDependencies)this.$watch(()=>this.sizeDependencies[e],this.onDataUpdate);this.vscrollParent.$_events.on("vscroll:update",this.onVscrollUpdate)}},mounted(){this.vscrollData.active&&(this.updateSize(),this.observeSize())},beforeUnmount(){this.vscrollParent.$_events.off("vscroll:update",this.onVscrollUpdate),this.unobserveSize()},methods:{updateSize(){this.finalActive?this.$_pendingSizeUpdate!==this.id&&(this.$_pendingSizeUpdate=this.id,this.$_forceNextVScrollUpdate=null,this.$_pendingVScrollUpdate=null,this.computeSize(this.id)):this.$_forceNextVScrollUpdate=this.id},updateWatchData(){this.watchData&&!this.vscrollResizeObserver?this.$_watchData=this.$watch("item",()=>{this.onDataUpdate()},{deep:!0}):this.$_watchData&&(this.$_watchData(),this.$_watchData=null)},onVscrollUpdate({force:e}){!this.finalActive&&e&&(this.$_pendingVScrollUpdate=this.id),(this.$_forceNextVScrollUpdate===this.id||e||!this.size)&&this.updateSize()},onDataUpdate(){this.updateSize()},computeSize(e){this.$nextTick(()=>{if(this.id===e){const t=this.$el.offsetWidth,i=this.$el.offsetHeight;this.applySize(t,i)}this.$_pendingSizeUpdate=null})},applySize(e,t){const i=~~(this.vscrollParent.direction==="vertical"?t:e);i&&this.size!==i&&(this.vscrollParent.$_undefinedMap[this.id]&&(this.vscrollParent.$_undefinedSizes--,this.vscrollParent.$_undefinedMap[this.id]=void 0),this.vscrollData.sizes[this.id]=i,this.vscrollData.validSizes[this.id]=!0,this.emitResize&&this.$emit("resize",this.id))},observeSize(){!this.vscrollResizeObserver||!this.$el.parentNode||(this.vscrollResizeObserver.observe(this.$el.parentNode),this.$el.parentNode.addEventListener("resize",this.onResize))},unobserveSize(){!this.vscrollResizeObserver||(this.vscrollResizeObserver.unobserve(this.$el.parentNode),this.$el.parentNode.removeEventListener("resize",this.onResize))},onResize(e){const{width:t,height:i}=e.detail.contentRect;this.applySize(t,i)}},render(){return Vue.h(this.tag,this.$slots.default())}};we.__file="src/components/DynamicScrollerItem.vue";export{we as a,Q as s};
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