Node.prototype.rangeOfWord=function(offset,stopCharacters,stayWithinNode,direction){let startNode;let startOffset=0;let endNode;let endOffset=0;if(!stayWithinNode){stayWithinNode=this;}
if(!direction||direction==='backward'||direction==='both'){let node=this;while(node){if(node===stayWithinNode){if(!startNode){startNode=stayWithinNode;}
break;}
if(node.nodeType===Node.TEXT_NODE){const start=(node===this?(offset-1):(node.nodeValue.length-1));for(let i=start;i>=0;--i){if(stopCharacters.indexOf(node.nodeValue[i])!==-1){startNode=node;startOffset=i+1;break;}}}
if(startNode){break;}
node=node.traversePreviousNode(stayWithinNode);}
if(!startNode){startNode=stayWithinNode;startOffset=0;}}else{startNode=this;startOffset=offset;}
if(!direction||direction==='forward'||direction==='both'){let node=this;while(node){if(node===stayWithinNode){if(!endNode){endNode=stayWithinNode;}
break;}
if(node.nodeType===Node.TEXT_NODE){const start=(node===this?offset:0);for(let i=start;i<node.nodeValue.length;++i){if(stopCharacters.indexOf(node.nodeValue[i])!==-1){endNode=node;endOffset=i;break;}}}
if(endNode){break;}
node=node.traverseNextNode(stayWithinNode);}
if(!endNode){endNode=stayWithinNode;endOffset=stayWithinNode.nodeType===Node.TEXT_NODE?stayWithinNode.nodeValue.length:stayWithinNode.childNodes.length;}}else{endNode=this;endOffset=offset;}
const result=this.ownerDocument.createRange();result.setStart(startNode,startOffset);result.setEnd(endNode,endOffset);return result;};Node.prototype.traverseNextTextNode=function(stayWithin){let node=this.traverseNextNode(stayWithin);if(!node){return null;}
const nonTextTags={'STYLE':1,'SCRIPT':1};while(node&&(node.nodeType!==Node.TEXT_NODE||nonTextTags[node.parentElement.nodeName])){node=node.traverseNextNode(stayWithin);}
return node;};Element.prototype.positionAt=function(x,y,relativeTo){let shift={x:0,y:0};if(relativeTo){shift=relativeTo.boxInWindow(this.ownerDocument.defaultView);}
if(typeof x==='number'){this.style.setProperty('left',(shift.x+x)+'px');}else{this.style.removeProperty('left');}
if(typeof y==='number'){this.style.setProperty('top',(shift.y+y)+'px');}else{this.style.removeProperty('top');}
if(typeof x==='number'||typeof y==='number'){this.style.setProperty('position','absolute');}else{this.style.removeProperty('position');}};Element.prototype.isScrolledToBottom=function(){return Math.abs(this.scrollTop+this.clientHeight-this.scrollHeight)<=2;};Node.prototype.enclosingNodeOrSelfWithNodeNameInArray=function(nameArray){for(let node=this;node&&node!==this.ownerDocument;node=node.parentNodeOrShadowHost()){for(let i=0;i<nameArray.length;++i){if(node.nodeName.toLowerCase()===nameArray[i].toLowerCase()){return node;}}}
return null;};Node.prototype.enclosingNodeOrSelfWithNodeName=function(nodeName){return this.enclosingNodeOrSelfWithNodeNameInArray([nodeName]);};Node.prototype.enclosingNodeOrSelfWithClass=function(className,stayWithin){return this.enclosingNodeOrSelfWithClassList([className],stayWithin);};Node.prototype.enclosingNodeOrSelfWithClassList=function(classNames,stayWithin){for(let node=this;node&&node!==stayWithin&&node!==this.ownerDocument;node=node.parentNodeOrShadowHost()){if(node.nodeType===Node.ELEMENT_NODE){let containsAll=true;for(let i=0;i<classNames.length&&containsAll;++i){if(!node.classList.contains(classNames[i])){containsAll=false;}}
if(containsAll){return(node);}}}
return null;};Node.prototype.enclosingShadowRoot=function(){let parentNode=this.parentNodeOrShadowHost();while(parentNode){if(parentNode instanceof ShadowRoot){return parentNode;}
parentNode=parentNode.parentNodeOrShadowHost();}
return null;};Node.prototype.hasSameShadowRoot=function(node){return this.enclosingShadowRoot()===node.enclosingShadowRoot();};Node.prototype.parentElementOrShadowHost=function(){if(this.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&this.host){return(this.host);}
const node=this.parentNode;if(!node){return null;}
if(node.nodeType===Node.ELEMENT_NODE){return(node);}
if(node.nodeType===Node.DOCUMENT_FRAGMENT_NODE){return(node.host);}
return null;};Node.prototype.parentNodeOrShadowHost=function(){if(this.parentNode){return this.parentNode;}
if(this.nodeType===Node.DOCUMENT_FRAGMENT_NODE&&this.host){return this.host;}
return null;};Node.prototype.getComponentSelection=function(){let parent=this.parentNode;while(parent&&parent.nodeType!==Node.DOCUMENT_FRAGMENT_NODE){parent=parent.parentNode;}
return parent instanceof ShadowRoot?parent.getSelection():this.window().getSelection();};Node.prototype.hasSelection=function(){if(this instanceof Element){const slots=this.querySelectorAll('slot');for(const slot of slots){if(Array.prototype.some.call(slot.assignedNodes(),node=>node.hasSelection())){return true;}}}
const selection=this.getComponentSelection();if(selection.type!=='Range'){return false;}
return selection.containsNode(this,true)||selection.anchorNode.isSelfOrDescendant(this)||selection.focusNode.isSelfOrDescendant(this);};Node.prototype.window=function(){return(this.ownerDocument.defaultView);};Element.prototype.removeChildren=function(){if(this.firstChild){this.textContent='';}};self.createElement=function(tagName,customElementType){return document.createElement(tagName,{is:customElementType});};self.createTextNode=function(data){return document.createTextNode(data);};Document.prototype.createElementWithClass=function(elementName,className,customElementType){const element=this.createElement(elementName,{is:customElementType});if(className){element.className=className;}
return element;};Document.prototype.createSVGElement=function(childType,className){const element=this.createElementNS('http://www.w3.org/2000/svg',childType);if(className){element.setAttribute('class',className);}
return element;};self.createSVGElement=function(childType,className){return document.createSVGElement(childType,className);};self.createDocumentFragment=function(){return document.createDocumentFragment();};Element.prototype.createChild=function(elementName,className,customElementType){const element=this.ownerDocument.createElementWithClass(elementName,className,customElementType);this.appendChild(element);return element;};DocumentFragment.prototype.createChild=Element.prototype.createChild;Element.prototype.createTextChild=function(text){const element=this.ownerDocument.createTextNode(text);this.appendChild(element);return element;};DocumentFragment.prototype.createTextChild=Element.prototype.createTextChild;Element.prototype.createTextChildren=function(var_args){for(let i=0,n=arguments.length;i<n;++i){this.createTextChild(arguments[i]);}};DocumentFragment.prototype.createTextChildren=Element.prototype.createTextChildren;Element.prototype.totalOffsetLeft=function(){return this.totalOffset().left;};Element.prototype.totalOffsetTop=function(){return this.totalOffset().top;};Element.prototype.totalOffset=function(){const rect=this.getBoundingClientRect();return{left:rect.left,top:rect.top};};Element.prototype.createSVGChild=function(childType,className){const child=this.ownerDocument.createSVGElement(childType,className);this.appendChild(child);return child;};self.AnchorBox=class{constructor(x,y,width,height){this.x=x||0;this.y=y||0;this.width=width||0;this.height=height||0;}
contains(x,y){return x>=this.x&&x<=this.x+this.width&&y>=this.y&&y<=this.y+this.height;}
relativeTo(box){return new AnchorBox(this.x-box.x,this.y-box.y,this.width,this.height);}
relativeToElement(element){return this.relativeTo(element.boxInWindow(element.ownerDocument.defaultView));}
equals(anchorBox){return!!anchorBox&&this.x===anchorBox.x&&this.y===anchorBox.y&&this.width===anchorBox.width&&this.height===anchorBox.height;}};Element.prototype.boxInWindow=function(targetWindow){targetWindow=targetWindow||this.ownerDocument.defaultView;const anchorBox=new AnchorBox();let curElement=this;let curWindow=this.ownerDocument.defaultView;while(curWindow&&curElement){anchorBox.x+=curElement.totalOffsetLeft();anchorBox.y+=curElement.totalOffsetTop();if(curWindow===targetWindow){break;}
curElement=curWindow.frameElement;curWindow=curWindow.parent;}
anchorBox.width=Math.min(this.offsetWidth,targetWindow.innerWidth-anchorBox.x);anchorBox.height=Math.min(this.offsetHeight,targetWindow.innerHeight-anchorBox.y);return anchorBox;};Event.prototype.consume=function(preventDefault){this.stopImmediatePropagation();if(preventDefault){this.preventDefault();}
this.handled=true;};Text.prototype.select=function(start,end){start=start||0;end=end||this.textContent.length;if(start<0){start=end+start;}
const selection=this.getComponentSelection();selection.removeAllRanges();const range=this.ownerDocument.createRange();range.setStart(this,start);range.setEnd(this,end);selection.addRange(range);return this;};Element.prototype.selectionLeftOffset=function(){const selection=this.getComponentSelection();if(!selection.containsNode(this,true)){return null;}
let leftOffset=selection.anchorOffset;let node=selection.anchorNode;while(node!==this){while(node.previousSibling){node=node.previousSibling;leftOffset+=node.textContent.length;}
node=node.parentNodeOrShadowHost();}
return leftOffset;};Node.prototype.appendChildren=function(var_args){for(let i=0,n=arguments.length;i<n;++i){this.appendChild(arguments[i]);}};Node.prototype.deepTextContent=function(){return this.childTextNodes().map(function(node){return node.textContent;}).join('');};Node.prototype.childTextNodes=function(){let node=this.traverseNextTextNode(this);const result=[];const nonTextTags={'STYLE':1,'SCRIPT':1};while(node){if(!nonTextTags[node.parentElement.nodeName]){result.push(node);}
node=node.traverseNextTextNode(this);}
return result;};Node.prototype.isAncestor=function(node){if(!node){return false;}
let currentNode=node.parentNodeOrShadowHost();while(currentNode){if(this===currentNode){return true;}
currentNode=currentNode.parentNodeOrShadowHost();}
return false;};Node.prototype.isDescendant=function(descendant){return!!descendant&&descendant.isAncestor(this);};Node.prototype.isSelfOrAncestor=function(node){return!!node&&(node===this||this.isAncestor(node));};Node.prototype.isSelfOrDescendant=function(node){return!!node&&(node===this||this.isDescendant(node));};Node.prototype.traverseNextNode=function(stayWithin){if(this.shadowRoot){return this.shadowRoot;}
const distributedNodes=this instanceof HTMLSlotElement?this.assignedNodes():[];if(distributedNodes.length){return distributedNodes[0];}
if(this.firstChild){return this.firstChild;}
let node=this;while(node){if(stayWithin&&node===stayWithin){return null;}
const sibling=nextSibling(node);if(sibling){return sibling;}
node=node.assignedSlot||node.parentNodeOrShadowHost();}
function nextSibling(node){if(!node.assignedSlot){return node.nextSibling;}
const distributedNodes=node.assignedSlot.assignedNodes();const position=Array.prototype.indexOf.call(distributedNodes,node);if(position+1<distributedNodes.length){return distributedNodes[position+1];}
return null;}
return null;};Node.prototype.traversePreviousNode=function(stayWithin){if(stayWithin&&this===stayWithin){return null;}
let node=this.previousSibling;while(node&&node.lastChild){node=node.lastChild;}
if(node){return node;}
return this.parentNodeOrShadowHost();};Node.prototype.setTextContentTruncatedIfNeeded=function(text,placeholder){const maxTextContentLength=10000;if(typeof text==='string'&&text.length>maxTextContentLength){this.textContent=typeof placeholder==='string'?placeholder:text.trimMiddle(maxTextContentLength);return true;}
this.textContent=text;return false;};Event.prototype.deepElementFromPoint=function(){if(!this.which&&!this.pageX&&!this.pageY&&!this.clientX&&!this.clientY&&!this.movementX&&!this.movementY){return null;}
const root=this.target&&this.target.getComponentRoot();return root?root.deepElementFromPoint(this.pageX,this.pageY):null;};Document.prototype.deepElementFromPoint=function(x,y){let container=this;let node=null;while(container){const innerNode=container.elementFromPoint(x,y);if(!innerNode||node===innerNode){break;}
node=innerNode;container=node.shadowRoot;}
return node;};DocumentFragment.prototype.deepElementFromPoint=Document.prototype.deepElementFromPoint;Document.prototype.deepActiveElement=function(){let activeElement=this.activeElement;while(activeElement&&activeElement.shadowRoot&&activeElement.shadowRoot.activeElement){activeElement=activeElement.shadowRoot.activeElement;}
return activeElement;};DocumentFragment.prototype.deepActiveElement=Document.prototype.deepActiveElement;Element.prototype.hasFocus=function(){const root=this.getComponentRoot();return!!root&&this.isSelfOrAncestor(root.activeElement);};Node.prototype.getComponentRoot=function(){let node=this;while(node&&node.nodeType!==Node.DOCUMENT_FRAGMENT_NODE&&node.nodeType!==Node.DOCUMENT_NODE){node=node.parentNode;}
return(node);};self.onInvokeElement=function(element,callback){element.addEventListener('keydown',event=>{if(self.isEnterOrSpaceKey(event)){callback(event);}});element.addEventListener('click',event=>callback(event));};self.isEnterKey=function(event){return event.keyCode!==229&&event.key==='Enter';};self.isEnterOrSpaceKey=function(event){return self.isEnterKey(event)||event.key===' ';};self.isEscKey=function(event){return event.keyCode===27;};(function(){const originalToggle=DOMTokenList.prototype.toggle;DOMTokenList.prototype['toggle']=function(token,force){if(arguments.length===1){force=!this.contains(token);}
return originalToggle.call(this,token,!!force);};})();