define(["exports"],function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;var MapShim="undefined"!=typeof Map?Map:((prototypeAccessors={size:{configurable:!0}}).size.get=function(){return this.__entries__.length},anonymous.prototype.get=function(key){key=getIndex(this.__entries__,key),key=this.__entries__[key];return key&&key[1]},anonymous.prototype.set=function(key,value){var index=getIndex(this.__entries__,key);~index?this.__entries__[index][1]=value:this.__entries__.push([key,value])},anonymous.prototype.delete=function(key){var entries=this.__entries__,key=getIndex(entries,key);~key&&entries.splice(key,1)},anonymous.prototype.has=function(key){return!!~getIndex(this.__entries__,key)},anonymous.prototype.clear=function(){this.__entries__.splice(0)},anonymous.prototype.forEach=function(callback,ctx){void 0===ctx&&(ctx=null);for(var i=0,list=this.__entries__;i<list.length;i+=1){var entry=list[i];callback.call(ctx,entry[1],entry[0])}},Object.defineProperties(anonymous.prototype,prototypeAccessors),anonymous);function anonymous(){this.__entries__=[]}function getIndex(arr,key){var result=-1;return arr.some(function(entry,index){return entry[0]===key&&(result=index,!0)}),result}function ResizeObserverController(){function resolvePending(){leadingCall&&(leadingCall=!1,callback()),trailingCall&&proxy()}function timeoutCallback(){requestAnimationFrame$1(resolvePending)}function proxy(){var timeStamp=Date.now();if(leadingCall){if(timeStamp-lastCallTime<trailingTimeout)return;trailingCall=!0}else trailingCall=!(leadingCall=!0),setTimeout(timeoutCallback,delay);lastCallTime=timeStamp}var callback,delay,leadingCall,trailingCall,lastCallTime;this.connected_=!1,this.mutationEventsAdded_=!1,this.mutationsObserver_=null,this.observers_=[],this.onTransitionEnd_=this.onTransitionEnd_.bind(this),this.refresh=(callback=this.refresh.bind(this),trailingCall=leadingCall=!(delay=20),lastCallTime=0,proxy)}function getWindowOf(target){return target&&target.ownerDocument&&target.ownerDocument.defaultView||global$1}var isBrowser="undefined"!=typeof window&&"undefined"!=typeof document&&window.document===document,global$1=globalThis,requestAnimationFrame$1="function"==typeof requestAnimationFrame?requestAnimationFrame.bind(global$1):function(callback){return setTimeout(function(){return callback(Date.now())},1e3/60)},trailingTimeout=2,transitionKeys=["top","right","bottom","left","width","height","size","weight"],mutationObserverSupported="undefined"!=typeof MutationObserver,defineConfigurable=(ResizeObserverController.prototype.addObserver=function(observer){~this.observers_.indexOf(observer)||this.observers_.push(observer),this.connected_||this.connect_()},ResizeObserverController.prototype.removeObserver=function(observer){var observers=this.observers_,observer=observers.indexOf(observer);~observer&&observers.splice(observer,1),!observers.length&&this.connected_&&this.disconnect_()},ResizeObserverController.prototype.refresh=function(){this.updateObservers_()&&this.refresh()},ResizeObserverController.prototype.updateObservers_=function(){var activeObservers=this.observers_.filter(function(observer){return observer.gatherActive(),observer.hasActive()});return activeObservers.forEach(function(observer){return observer.broadcastActive()}),0<activeObservers.length},ResizeObserverController.prototype.connect_=function(){isBrowser&&!this.connected_&&(document.addEventListener("transitionend",this.onTransitionEnd_),window.addEventListener("resize",this.refresh),window.addEventListener("orientationchange",this.refresh),mutationObserverSupported?(this.mutationsObserver_=new MutationObserver(this.refresh),this.mutationsObserver_.observe(document,{attributes:!0,childList:!0,characterData:!0,subtree:!0})):(document.addEventListener("DOMSubtreeModified",this.refresh),this.mutationEventsAdded_=!0),this.connected_=!0)},ResizeObserverController.prototype.disconnect_=function(){isBrowser&&this.connected_&&(document.removeEventListener("transitionend",this.onTransitionEnd_),window.removeEventListener("resize",this.refresh),window.removeEventListener("orientationchange",this.refresh),this.mutationsObserver_&&this.mutationsObserver_.disconnect(),this.mutationEventsAdded_&&document.removeEventListener("DOMSubtreeModified",this.refresh),this.mutationsObserver_=null,this.mutationEventsAdded_=!1,this.connected_=!1)},ResizeObserverController.prototype.onTransitionEnd_=function(ref){var propertyName=ref.propertyName;void 0===propertyName&&(propertyName=""),transitionKeys.some(function(key){return!!~propertyName.indexOf(key)})&&this.refresh()},ResizeObserverController.getInstance=function(){return this.instance_||(this.instance_=new ResizeObserverController),this.instance_},ResizeObserverController.instance_=null,function(target,props){for(var i=0,list=Object.keys(props);i<list.length;i+=1){var key=list[i];Object.defineProperty(target,key,{value:props[key],enumerable:!1,writable:!1,configurable:!0})}return target}),emptyRect=createRectInit(0,0,0,0);function getContentRect(target){return isBrowser?function(target){return createRectInit((target=target.getBoundingClientRect()).left,target.top,target.width,target.height)}(target):emptyRect}function createRectInit(x,y,width,height){return{x:x,y:y,width:width,height:height}}function ResizeObservation(target){this.broadcastWidth=0,this.broadcastHeight=0,this.contentRect_=createRectInit(0,0,0,0),this.target=target}function ResizeObserverEntry(target,rectInit){x=(rectInit=rectInit).x,y=rectInit.y,width=rectInit.width,rectInit=rectInit.height,Constr="undefined"!=typeof DOMRectReadOnly?DOMRectReadOnly:Object,Constr=Object.create(Constr.prototype),defineConfigurable(Constr,{x:x,y:y,width:width,height:rectInit,top:y,right:x+width,bottom:rectInit+y,left:x});var x,y,Constr,width=Constr;defineConfigurable(this,{target:target,contentRect:width})}function ResizeObserverSPI(callback,controller,callbackCtx){if(this.activeObservations_=[],this.observations_=new MapShim,"function"!=typeof callback)throw new TypeError("The callback provided as parameter 1 is not a function.");this.callback_=callback,this.controller_=controller,this.callbackCtx_=callbackCtx}ResizeObservation.prototype.isActive=function(){var rect=getContentRect(this.target);return(this.contentRect_=rect).width!==this.broadcastWidth||rect.height!==this.broadcastHeight},ResizeObservation.prototype.broadcastRect=function(){var rect=this.contentRect_;return this.broadcastWidth=rect.width,this.broadcastHeight=rect.height,rect};function ResizeObserver(callback){if(!(this instanceof ResizeObserver))throw new TypeError("Cannot call a class as a function.");if(!arguments.length)throw new TypeError("1 argument required, but only 0 present.");var controller=ResizeObserverController.getInstance(),controller=new ResizeObserverSPI(callback,controller,this);observers.set(this,controller)}ResizeObserverSPI.prototype.observe=function(target){if(!arguments.length)throw new TypeError("1 argument required, but only 0 present.");if("undefined"!=typeof Element&&Element instanceof Object){if(!(target instanceof getWindowOf(target).Element))throw new TypeError('parameter 1 is not of type "Element".');var observations=this.observations_;observations.has(target)||(observations.set(target,new ResizeObservation(target)),this.controller_.addObserver(this),this.controller_.refresh())}},ResizeObserverSPI.prototype.unobserve=function(target){if(!arguments.length)throw new TypeError("1 argument required, but only 0 present.");if("undefined"!=typeof Element&&Element instanceof Object){if(!(target instanceof getWindowOf(target).Element))throw new TypeError('parameter 1 is not of type "Element".');var observations=this.observations_;observations.has(target)&&(observations.delete(target),observations.size||this.controller_.removeObserver(this))}},ResizeObserverSPI.prototype.disconnect=function(){this.clearActive(),this.observations_.clear(),this.controller_.removeObserver(this)},ResizeObserverSPI.prototype.gatherActive=function(){var this$1=this;this.clearActive(),this.observations_.forEach(function(observation){observation.isActive()&&this$1.activeObservations_.push(observation)})},ResizeObserverSPI.prototype.broadcastActive=function(){var ctx,entries;this.hasActive()&&(ctx=this.callbackCtx_,entries=this.activeObservations_.map(function(observation){return new ResizeObserverEntry(observation.target,observation.broadcastRect())}),this.callback_.call(ctx,entries,ctx),this.clearActive())},ResizeObserverSPI.prototype.clearActive=function(){this.activeObservations_.splice(0)},ResizeObserverSPI.prototype.hasActive=function(){return 0<this.activeObservations_.length};var observers=new("undefined"!=typeof WeakMap?WeakMap:MapShim),prototypeAccessors=(["observe","unobserve","disconnect"].forEach(function(method){ResizeObserver.prototype[method]=function(){var ref=observers.get(this);return ref[method].apply(ref,arguments)}}),window.ResizeObserver=ResizeObserver);_exports.default=prototypeAccessors});