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"+c:"")||void 0,f=void 0;"function"==typeof this.state.style.animationName&&(this.state.style.animationName=this.state.style.animationName(!this.isOn,this.props)),this.props.cascade&&!this.props.disabled&&p&&this.state.style.animationName?(s=this.cascade(p),f=r({},d,{opacity:1})):f=this.props.disabled?d:r({},d,this.state.style);var v=r({},this.props.props,(e={className:h,style:f},t=this.props.refProp,i=this.saveRef,t in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i,e)),m=a.default.cloneElement(o,v,n?s||p:void 0);return void 0!==this.props.collapse?this.props.collapseEl?a.default.cloneElement(this.props.collapseEl,{style:r({},this.props.collapseEl.style,this.props.disabled?void 0:this.state.collapse),children:m}):a.default.createElement("div",{style:this.props.disabled?void 0:this.state.collapse,children:m}):m}},{key:"makeHandler",value:function(e){var t=this,i=function(){e.call(t,t.props),t.ticking=!1};return function(){t.ticking||((0,u.raf)(i),t.ticking=!0)}}},{key:"inViewport",value:function(e){if(!this.el||window.document.hidden)return!1;var i=this.el.offsetHeight,n=window.pageYOffset-t.getTop(this.el),o=Math.min(i,window.innerHeight)*(u.globalHide?e.fraction:0);return n>o-window.innerHeight&&n<i-o}},{key:"resize",value:function(e){this&&this.el&&this.isOn&&this.inViewport(e)&&(this.unlisten(),this.isShown=this.isOn,this.setState({hasExited:!this.isOn,hasAppeared:!0,collapse:void 0,style:{opacity:this.isOn||!e.outEffect?1:0}}),this.onReveal(e))}},{key:"listen",value:function(){u.observerMode||this.isListener||(this.isListener=!0,window.addEventListener("scroll",this.revealHandler,{passive:!0}),window.addEventListener("orientationchange",this.revealHandler,{passive:!0}),window.document.addEventListener("visibilitychange",this.revealHandler,{passive:!0}),window.document.addEventListener("collapseend",this.revealHandler,{passive:!0}),window.addEventListener("resize",this.resizeHandler,{passive:!0}))}},{key:"unlisten",value:function(){!u.observerMode&&this.isListener&&(window.removeEventListener("scroll",this.revealHandler,{passive:!0}),window.removeEventListener("orientationchange",this.revealHandler,{passive:!0}),window.document.removeEventListener("visibilitychange",this.revealHandler,{passive:!0}),window.document.removeEventListener("collapseend",this.revealHandler,{passive:!0}),window.removeEventListener("resize",this.resizeHandler,{passive:!0}),this.isListener=!1),this.onRevealTimeout&&(this.onRevealTimeout=window.clearTimeout(this.onRevealTimeout)),this.animationEndTimeout&&(this.animationEndTimeout=window.clearTimeout(this.animationEndTimeout))}}],[{key:"getInitialCollapseStyle",value:function(e){return{height:0,visibility:e.when?void 0:"hidden"}}},{key:"getTop",value:function(e){for(;void 0===e.offsetTop;)e=e.parentNode;for(var t=e.offsetTop;e.offsetParent;t+=e.offsetTop)e=e.offsetParent;return t}}]),t}(a.default.Component);h.propTypes=c,h.defaultProps={fraction:.2,refProp:"ref"},h.contextTypes=p,h.displayName="RevealBase",t.default=h,e.exports=t.default}}]);