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this.attr(e),c=this.attr("articleElement"),i=this.attr("scrollElement"),o=this.attr("selector"),n=this.attr("created"),t(c)?l=document.querySelector(c):p(c)&&(l=c),l?(this.$articleElement=l,this.$scrollElement=f(i),this.$headings=[...l.querySelectorAll(o)],this.$headings.length<1||(this.chapters=O(this.$headings,r,this.attr("chapterTextFilter")),s(n)&&n.call(this),this.render().addListeners()),this):this}getChapters(t=!1){const e=this.chapters;return t?((t,e,r)=>{const s={},n=[];return t.forEach(((t,r)=>{s[t[e]]=r,t.children=[]})),t.forEach((e=>{const i=t[s[e[r]]];-1!==e[r]?i.children.push(e):n.push(e)})),n})(e,"id","pid"):e}count(){return this.chapters.length}render(){const t=this.attr("mounted"),e=this.attr("hasAnchor"),r=this.attr("isAtStart"),n=this.attr("showCode"),i=this.attr("anchorURL"),o=this.$headings,l=this.getChapters();return z(),o.forEach(((t,s)=>{const o=l[s].code;_(t,s,{hasAnchor:e,isAtStart:r,showCode:n,chapterCode:o,anchorURL:i})})),s(t)&&t.call(this),this}scrollTo(t,e){return((t,e,r)=>{const n=f(t);let i=n.scrollTop,o=0;const l=e-i,c=n.scrollHeight,a=e-c<=0?e:c,h=t=>(s(r)&&r(t),!1),u=()=>{if(o+=1,l<0){if(i-=m(o),n.scrollTop=i,i<=e)return n.scrollTop=e,h(e)}else if(i+=m(o),n.scrollTop=i,i>=a)return n.scrollTop=a,h(a);requestAnimationFrame(u)};requestAnimationFrame(u)})(this.$scrollElement,t,e),this}destroy(){const t=this.attr("hasAnchor"),e=this.attr("isAtStart"),r=this.attr("beforeDestroy"),n=this.attr("afterDestroy"),i=this.$headings;return s(r)&&r.call(this),this.removeListeners(),i.forEach((r=>{C(r,t,e)})),this.attr(B.DEFAULTS),this.$articleElement=null,this.$scrollElement=null,this.$headings=[],this.chapters=[],s(n)&&n.call(this),this}onAnchorTrigger(t){const e=this.attr("anchorURL"),r=this.attr("afterScroll"),n=this.attr("stickyHeight"),i=t.delegateTarget.parentNode,o=y(i)-(n+10),l=this.$scrollElement,c=l.scrollHeight-l.clientHeight;return this.scrollTo(o,(()=>{s(r)&&r.call(this,"anchor"),((t,e=300)=>{!!s(t)&&setTimeout((()=>{t()}),e)})((()=>{this.$emit("toolbar:update",{top:o,min:0,max:c})}))})),e||function(t){t.stopPropagation(),t.preventDefault()}(t),this}addListeners(){const t=this.$articleElement;return E(t,".outline-heading__anchor","click",this.onAnchorTrigger,this,!0),this}removeListeners(){const t=this.$articleElement;return A(t,"click",this.onAnchorTrigger),this}}return B.DEFAULTS={scrollElement:"html,body",articleElement:"#article",selector:"h1,h2,h3,h4,h5,h6",stickyHeight:0,anchorURL:"",hasAnchor:!0,isAtStart:!0,showCode:!1,created:null,mounted:null,afterScroll:null,beforeDestroy:null,afterDestroy:null,chapterTextFilter:null},B}));
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