gnip-vue3-lazy-load/vue-project.umd.js

用于vue3图片懒加载使用,通过指令实现

(function(o,n){typeof exports=="object"&&typeof module<"u"?module.exports=n():typeof define=="function"&&define.amd?define(n):(o=typeof globalThis<"u"?globalThis:o||self,o["d-vue3-lazy-load"]=n())})(this,function(){"use strict";const 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A,l,i,s;if(e.scroll)A=t.clientHeight,l=t.clientWidth,s=e.el.offsetTop-t.scrollTop,i=e.el.offsetLeft-t.scrollLeft;else{const{top:I,left:E}=e.el.getBoundingClientRect();s=I,i=E,A=document.documentElement.clientHeight,l=document.documentElement.clientWidth}return s<A&&i<l},c=e=>{e.src=o},r=(e,t)=>{let A=null;return function(...l){A&&clearTimeout(A),A=setTimeout(()=>{e.apply(this,...l)},t)}};class g{constructor({errorImg:t,src:A,el:l,transitionTime:i}){this.el=l,this.errorImg=t,this.src=A,this.loaded=!1,this.transitionTime=i,this.loadingError=!1}loadImg(){return new Promise((t,A)=>{this.el.style.opacity="0",this.addTransition(),this.el.src=this.src,this.el.onload=()=>{t()},this.el.onerror=()=>{this.el.src=this.errorImg,t()},this.loaded=!0})}addTransition(){requestAnimationFrame(()=>{this.el.style.transition=`opacity ${1.2}s ease-in-out`,this.el.style.opacity="1"})}}const a="data:image/jpeg;base64,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w{constructor(t){this.imgPoolList=new Map,this.noScrollParentimgPoolList=[],this.scrollParentimgPoolList=[],this.pooListField="noScrollParentimgPoolList",this.isBindScrollWindow=!1,this.isBindScrollScrollParent=!1,this.errorImg=t.errorImg||a,this.loadingImg=t.loadingImg||o,this.scrollParent=null,this.isScrollParent=!1,this.transitionTime=t.transitionTime||.9,this.debounceTime=t.debounceTime||200,this.debounceHandleScroll=r(this.handleScroll,this.debounceTime).bind(this)}mounted(t,A,l){console.log(t),this.isScrollParent=A.modifiers.scroll,this.pooListField=this.isScrollParent?"scrollParentimgPoolList":"noScrollParentimgPoolList",this.imgPoolList.set(t,new g({src:A.value,errorImg:this.errorImg,el:t,transitionTime:this.transitionTime,scroll:this.isScrollParent})),c(t),this.handleScroll(),this.findScrollParent(t)?(!this.isBindScrollScrollParent&&this.scrollParent.addEventListener("scroll",this.debounceHandleScroll),this.isBindScrollScrollParent=!0):(!this.isBindScrollWindow&&window.addEventListener("scroll",this.debounceHandleScroll),this.isBindScrollWindow=!0)}unmounted(){this.scrollParentimgPoolList=[],this.noScrollParentimgPoolList=[]}update(t,A){this.updateImageInstance(t,A)}updateImageInstance(t,A){for(let[l,i]of this.imgPoolList)t==l&&!i.loaded&&(i.src=A.value);this.handleScroll()}handleScroll(){for(let[t,A]of this.imgPoolList)this.scrollParent?n(A,this.scrollParent)&&!A.loaded&&this.resolveImgInstance(A):n(A)&&!A.loaded&&this.resolveImgInstance(A)}resolveImgInstance(t){t.loadImg().then(()=>{for(let[A,l]of this.imgPoolList)t.el==A&&(l.loaded=!0)}).catch(()=>{})}findScrollParent(t){if(!this.isScrollParent)return!1;let A=t.parentNode;for(;A;){if(getComputedStyle(A).getPropertyValue("overflow")=="scroll"||getComputedStyle(A).getPropertyValue("overflow")=="auto"||getComputedStyle(A).getPropertyValue("overflow-x")=="scroll"||getComputedStyle(A).getPropertyValue("overflow-x")=="auto"||getComputedStyle(A).getPropertyValue("overflow-y")=="scroll"||getComputedStyle(A).getPropertyValue("overflow-y")=="auto")return this.scrollParent=A,!0;A=A.parentNode}return!1}}return{install(e,t={}){const A=new w(t);console.log(e),e.directive("lazy",{mounted:A.mounted.bind(A)})}}});