Module 269115

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