Module 269115

function(e,t,r){r.d(t,{L:()=>u,j:()=>s}),r(899898);var n=r(621466);let i={root:null,rootMargin:"0px",threshold:.5};class s{_observer;_options;_nodes=new WeakMap;_components=new WeakMap;_visibleComponents=new WeakSet;constructor(e=i){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:r}=this._options;t=null==r?e.intersectionRatio>0:Array.isArray(r)?r.some(t=>e.intersectionRatio>t):e.intersectionRatio>r}let r=this._nodes.get(e.target);if(null!=r){let e=!1;t?this._visibleComponents.has(r)||(this._visibleComponents.add(r),e=!0):this._visibleComponents.has(r)&&(this._visibleComponents.delete(r),e=!0),e&&r.forceUpdate()}})};isVisible(e){return null==this._observer||this._visibleComponents.has(e)}observe(e,t){let r=this._observer;if(null==r)return;this.unobserve(e);let i=t.current;(0,n.vq)(i,HTMLElement)&&(this._nodes.set(i,e),this._components.set(e,i),r.observe(i))}unobserve(e){let t=this._observer;if(null==t)return;let r=this._components.get(e);null!=r&&(this._nodes.delete(r),this._components.delete(e),this._visibleComponents.delete(e),t.unobserve(r))}}var o=r(64700),a=r(835245);let l=(0,a.A)(),d=new Map,c=new Map;class u extends o.Component{elementId;isVisible=!1;static defaultProps={active:!0,children:o.createElement("span"),root:null,rootMargin:"0px 0px 0px 0px",threshold:[0,5e-324]};constructor(e){super(e);const{root:t,rootMargin:r,threshold:n}=e;t?d.has(t)?this.elementId=d.get(t)||"":d.set(t,(0,a.A)()):this.elementId=l;const i=this.getVisibilityObserverId();c.has(i)||c.set(i,new s({root:t,rootMargin:r,threshold:n}))}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(),r=t.isVisible(this);this.props.active&&r!==this.isVisible&&this.props.onChange(r),!e.active&&this.props.active?t.observe(this,this.props.innerRef):e.active&&!this.props.active&&t.unobserve(this),this.isVisible=r}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 o.Children.only(this.props.children)}}}