Module 269115

function(e,t,n){"use strict";n.d(t,{L:()=>u,j:()=>a}),n(899898);var i=n(621466);let r={root:null,rootMargin:"0px",threshold:.5};class a{_observer;_options;_nodes=new WeakMap;_components=new WeakMap;_visibleComponents=new WeakSet;constructor(e=r){this._options=e,null!=window.IntersectionObserver&&(this._observer=new window.IntersectionObserver(this._handleEntries,e))}_handleEntries=e=>{e.forEach(e=>{let t;if(null!=e.isIntersecting)t=e.isIntersecting;else{let{threshold:n}=this._options;t=null==n?e.intersectionRatio>0:Array.isArray(n)?n.some(t=>e.intersectionRatio>t):e.intersectionRatio>n}let n=this._nodes.get(e.target);if(null!=n){let e=!1;t?this._visibleComponents.has(n)||(this._visibleComponents.add(n),e=!0):this._visibleComponents.has(n)&&(this._visibleComponents.delete(n),e=!0),e&&n.forceUpdate()}})};isVisible(e){return null==this._observer||this._visibleComponents.has(e)}observe(e,t){let n=this._observer;if(null==n)return;this.unobserve(e);let r=t.current;(0,i.vq)(r,HTMLElement)&&(this._nodes.set(r,e),this._components.set(e,r),n.observe(r))}unobserve(e){let t=this._observer;if(null==t)return;let n=this._components.get(e);null!=n&&(this._nodes.delete(n),this._components.delete(e),this._visibleComponents.delete(e),t.unobserve(n))}}var s=n(582128),l=n(132500);let o=(0,l.A)(),d=new Map,c=new Map;class u extends s.Component{elementId;isVisible=!1;static defaultProps={active:!0,children:s.createElement("span"),root:null,rootMargin:"0px 0px 0px 0px",threshold:[0,5e-324]};constructor(e){super(e);const{root:t,rootMargin:n,threshold:i}=e;t?d.has(t)?this.elementId=d.get(t)||"":d.set(t,(0,l.A)()):this.elementId=o;const r=this.getVisibilityObserverId();c.has(r)||c.set(r,new a({root:t,rootMargin:n,threshold:i}))}componentDidMount(){if(this.props.active){let e=this.getVisibilityObserver();e.observe(this,this.props.innerRef),this.isVisible=e.isVisible(this),this.props.onChange(this.isVisible)}}componentDidUpdate(e){let t=this.getVisibilityObserver(),n=t.isVisible(this);this.props.active&&n!==this.isVisible&&this.props.onChange(n),!e.active&&this.props.active?t.observe(this,this.props.innerRef):e.active&&!this.props.active&&t.unobserve(this),this.isVisible=n}componentWillUnmount(){this.getVisibilityObserver().unobserve(this)}getVisibilityObserverId(){let{rootMargin:e,threshold:t}=this.props;return`${this.elementId} ${e} ${t}`}getVisibilityObserver(){let e=this.getVisibilityObserverId(),t=c.get(e);if(!t)throw Error(`Visibility sensor with id ${e} not found.`);return t}render(){return s.Children.only(this.props.children)}}}