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i,r,a,n,s=this.traceArr,o=s.length,h="";for(i=0;i<o;i++)(a=(r=s[i]).method)?(n=r.args,h+=a,t?h+="()":g._isArray(n[0])?h+="(["+n.join(",")+"])":(e&&(n=n.map((t=>"number"==typeof t?Math.floor(t):t))),h+="("+n.join(",")+")")):(h+=r.property,t||(h+="="+r.val)),h+=";";return h}clearTrace(){this.traceArr=[]}_trace(t){var e=this.traceArr;e.push(t),e.length>=100&&e.shift()}reset(){var t=this.getCanvas().getPixelRatio();this.setTransform(1*t,0,0,1*t,0,0)}getCanvas(){return this.canvas}clear(t){var e=this.getCanvas();t?this.clearRect(t.x||0,t.y||0,t.width||0,t.height||0):this.clearRect(0,0,e.getWidth()/e.pixelRatio,e.getHeight()/e.pixelRatio)}_applyLineCap(t){const e=t.attrs.lineCap;e&&this.setAttr("lineCap",e)}_applyOpacity(t){var e=t.getAbsoluteOpacity();1!==e&&this.setAttr("globalAlpha",e)}_applyLineJoin(t){const e=t.attrs.lineJoin;e&&this.setAttr("lineJoin",e)}setAttr(t,e){this._context[t]=e}arc(t,e,i,r,a,n){this._context.arc(t,e,i,r,a,n)}arcTo(t,e,i,r,a){this._context.arcTo(t,e,i,r,a)}beginPath(){this._context.beginPath()}bezierCurveTo(t,e,i,r,a,n){this._context.bezierCurveTo(t,e,i,r,a,n)}clearRect(t,e,i,r){this._context.clearRect(t,e,i,r)}clip(...t){this._context.clip.apply(this._context,t)}closePath(){this._context.closePath()}createImageData(t,e){var i=arguments;return 2===i.length?this._context.createImageData(t,e):1===i.length?this._context.createImageData(t):void 0}createLinearGradient(t,e,i,r){return this._context.createLinearGradient(t,e,i,r)}createPattern(t,e){return this._context.createPattern(t,e)}createRadialGradient(t,e,i,r,a,n){return this._context.createRadialGradient(t,e,i,r,a,n)}drawImage(t,e,i,r,a,n,s,o,h){var l=arguments,d=this._context;3===l.length?d.drawImage(t,e,i):5===l.length?d.drawImage(t,e,i,r,a):9===l.length&&d.drawImage(t,e,i,r,a,n,s,o,h)}ellipse(t,e,i,r,a,n,s,o){this._context.ellipse(t,e,i,r,a,n,s,o)}isPointInPath(t,e,i,r){return i?this._context.isPointInPath(i,t,e,r):this._context.isPointInPath(t,e,r)}fill(...t){this._context.fill.apply(this._context,t)}fillRect(t,e,i,r){this._context.fillRect(t,e,i,r)}strokeRect(t,e,i,r){this._context.strokeRect(t,e,i,r)}fillText(t,e,i,r){r?this._context.fillText(t,e,i,r):this._context.fillText(t,e,i)}measureText(t){return this._context.measureText(t)}getImageData(t,e,i,r){return this._context.getImageData(t,e,i,r)}lineTo(t,e){this._context.lineTo(t,e)}moveTo(t,e){this._context.moveTo(t,e)}rect(t,e,i,r){this._context.rect(t,e,i,r)}roundRect(t,e,i,r,a){this._context.roundRect(t,e,i,r,a)}putImageData(t,e,i){this._context.putImageData(t,e,i)}quadraticCurveTo(t,e,i,r){this._context.quadraticCurveTo(t,e,i,r)}restore(){this._context.restore()}rotate(t){this._context.rotate(t)}save(){this._context.save()}scale(t,e){this._context.scale(t,e)}setLineDash(t){this._context.setLineDash?this._context.setLineDash(t):"mozDash"in this._context?this._context.mozDash=t:"webkitLineDash"in this._context&&(this._context.webkitLineDash=t)}getLineDash(){return this._context.getLineDash()}setTransform(t,e,i,r,a,n){this._context.setTransform(t,e,i,r,a,n)}stroke(t){t?this._context.stroke(t):this._context.stroke()}strokeText(t,e,i,r){this._context.strokeText(t,e,i,r)}transform(t,e,i,r,a,n){this._context.transform(t,e,i,r,a,n)}translate(t,e){this._context.translate(t,e)}_enableTrace(){var t,e,i=this,r=C.length,a=this.setAttr,n=function(t){var r,a=i[t];i[t]=function(){return e=function(t){var e,i,r=[],a=t.length,n=g;for(e=0;e<a;e++)i=t[e],n._isNumber(i)?i=Math.round(1e3*i)/1e3:n._isString(i)||(i+=""),r.push(i);return r}(Array.prototype.slice.call(arguments,0)),r=a.apply(i,arguments),i._trace({method:t,args:e}),r}};for(t=0;t<r;t++)n(C[t]);i.setAttr=function(){a.apply(i,arguments);var t=arguments[0],e=arguments[1];"shadowOffsetX"!==t&&"shadowOffsetY"!==t&&"shadowBlur"!==t||(e/=this.canvas.getPixelRatio()),i._trace({property:t,val:e})}}_applyGlobalCompositeOperation(t){const e=t.attrs.globalCompositeOperation;!e||"source-over"===e||this.setAttr("globalCompositeOperation",e)}}["fillStyle","strokeStyle","shadowColor","shadowBlur","shadowOffsetX","shadowOffsetY","letterSpacing","lineCap","lineDashOffset","lineJoin","lineWidth","miterLimit","direction","font","textAlign","textBaseline","globalAlpha","globalCompositeOperation","imageSmoothingEnabled"].forEach((function(t){Object.defineProperty(P.prototype,t,{get(){return this._context[t]},set(e){this._context[t]=e}})}));class k extends P{constructor(t,{willReadFrequently:e=!1}={}){super(t),this._context=t._canvas.getContext("2d",{willReadFrequently:e})}_fillColor(t){var e=t.fill();this.setAttr("fillStyle",e),t._fillFunc(this)}_fillPattern(t){this.setAttr("fillStyle",t._getFillPattern()),t._fillFunc(this)}_fillLinearGradient(t){var e=t._getLinearGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fillRadialGradient(t){const e=t._getRadialGradient();e&&(this.setAttr("fillStyle",e),t._fillFunc(this))}_fill(t){const e=t.fill(),i=t.getFillPriority();if(e&&"color"===i)return void this._fillColor(t);const r=t.getFillPatternImage();if(r&&"pattern"===i)return void this._fillPattern(t);const a=t.getFillLinearGradientColorStops();if(a&&"linear-gradient"===i)return void this._fillLinearGradient(t);const n=t.getFillRadialGradientColorStops();n&&"radial-gradient"===i?this._fillRadialGradient(t):e?this._fillColor(t):r?this._fillPattern(t):a?this._fillLinearGradient(t):n&&this._fillRadialGradient(t)}_strokeLinearGradient(t){const e=t.getStrokeLinearGradientStartPoint(),i=t.getStrokeLinearGradientEndPoint(),r=t.getStrokeLinearGradientColorStops(),a=this.createLinearGradient(e.x,e.y,i.x,i.y);if(r){for(var n=0;n<r.length;n+=2)a.addColorStop(r[n],r[n+1]);this.setAttr("strokeStyle",a)}}_stroke(t){var e=t.dash(),i=t.getStrokeScaleEnabled();if(t.hasStroke()){if(!i){this.save();var r=this.getCanvas().getPixelRatio();this.setTransform(r,0,0,r,0,0)}this._applyLineCap(t),e&&t.dashEnabled()&&(this.setLineDash(e),this.setAttr("lineDashOffset",t.dashOffset())),this.setAttr("lineWidth",t.strokeWidth()),t.getShadowForStrokeEnabled()||this.setAttr("shadowColor","rgba(0,0,0,0)"),t.getStrokeLinearGradientColorStops()?this._strokeLinearGradient(t):this.setAttr("strokeStyle",t.stroke()),t._strokeFunc(this),i||this.restore()}}_applyShadow(t){var e,i,r,a=null!==(e=t.getShadowRGBA())&&void 0!==e?e:"black",n=null!==(i=t.getShadowBlur())&&void 0!==i?i:5,s=null!==(r=t.getShadowOffset())&&void 0!==r?r:{x:0,y:0},o=t.getAbsoluteScale(),h=this.canvas.getPixelRatio(),l=o.x*h,d=o.y*h;this.setAttr("shadowColor",a),this.setAttr("shadowBlur",n*Math.min(Math.abs(l),Math.abs(d))),this.setAttr("shadowOffsetX",s.x*l),this.setAttr("shadowOffsetY",s.y*d)}}class T extends P{constructor(t){super(t),this._context=t._canvas.getContext("2d",{willReadFrequently:!0})}_fill(t){this.save(),this.setAttr("fillStyle",t.colorKey),t._fillFuncHit(this),this.restore()}strokeShape(t){t.hasHitStroke()&&this._stroke(t)}_stroke(t){if(t.hasHitStroke()){const a=t.getStrokeScaleEnabled();if(!a){this.save();var e=this.getCanvas().getPixelRatio();this.setTransform(e,0,0,e,0,0)}this._applyLineCap(t);var i=t.hitStrokeWidth(),r="auto"===i?t.strokeWidth():i;this.setAttr("lineWidth",r),this.setAttr("strokeStyle",t.colorKey),t._strokeFuncHit(this),a||this.restore()}}}var A;class M{constructor(t){this.pixelRatio=1,this.width=0,this.height=0,this.isCache=!1;var e=(t||{}).pixelRatio||i.pixelRatio||function(){if(A)return A;var t=g.createCanvasElement(),e=t.getContext("2d");return A=(i._global.devicePixelRatio||1)/(e.webkitBackingStorePixelRatio||e.mozBackingStorePixelRatio||e.msBackingStorePixelRatio||e.oBackingStorePixelRatio||e.backingStorePixelRatio||1),g.releaseCanvas(t),A}();this.pixelRatio=e,this._canvas=g.createCanvasElement(),this._canvas.style.padding="0",this._canvas.style.margin="0",this._canvas.style.border="0",this._canvas.style.background="transparent",this._canvas.style.position="absolute",this._canvas.style.top="0",this._canvas.style.left="0"}getContext(){return this.context}getPixelRatio(){return this.pixelRatio}setPixelRatio(t){var e=this.pixelRatio;this.pixelRatio=t,this.setSize(this.getWidth()/e,this.getHeight()/e)}setWidth(t){this.width=this._canvas.width=t*this.pixelRatio,this._canvas.style.width=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)}setHeight(t){this.height=this._canvas.height=t*this.pixelRatio,this._canvas.style.height=t+"px";var e=this.pixelRatio;this.getContext()._context.scale(e,e)}getWidth(){return this.width}getHeight(){return this.height}setSize(t,e){this.setWidth(t||0),this.setHeight(e||0)}toDataURL(t,e){try{return this._canvas.toDataURL(t,e)}catch(t){try{return this._canvas.toDataURL()}catch(t){return g.error("Unable to get data URL. 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r=this;this.on(t,(function(t){for(var a=t.target.findAncestors(e,!0,r),n=0;n<a.length;n++)(t=g.cloneObject(t)).currentTarget=a[n],i.call(a[n],t)}))}remove(){return this.isDragging()&&this.stopDrag(),E._dragElements.delete(this._id),this._remove(),this}_clearCaches(){this._clearSelfAndDescendantCache(O),this._clearSelfAndDescendantCache(D),this._clearSelfAndDescendantCache(I),this._clearSelfAndDescendantCache(Y),this._clearSelfAndDescendantCache(q),this._clearSelfAndDescendantCache(N)}_remove(){this._clearCaches();var t=this.getParent();t&&t.children&&(t.children.splice(this.index,1),t._setChildrenIndices(),this.parent=null)}destroy(){return this.remove(),this.clearCache(),this}getAttr(t){var e="get"+g._capitalize(t);return g._isFunction(this[e])?this[e]():this.attrs[t]}getAncestors(){for(var t=this.getParent(),e=[];t;)e.push(t),t=t.getParent();return e}getAttrs(){return this.attrs||{}}setAttrs(t){return this._batchTransformChanges((()=>{var e,i;if(!t)return this;for(e in t)"children"!==e&&(i="set"+g._capitalize(e),g._isFunction(this[i])?this[i](t[e]):this._setAttr(e,t[e]))})),this}isListening(){return this._getCache(N,this._isListening)}_isListening(t){if(!this.listening())return!1;const e=this.getParent();return!e||e===t||this===t||e._isListening(t)}isVisible(){return this._getCache(q,this._isVisible)}_isVisible(t){if(!this.visible())return!1;const e=this.getParent();return!e||e===t||this===t||e._isVisible(t)}shouldDrawHit(t,e=!1){if(t)return this._isVisible(t)&&this._isListening(t);var r=this.getLayer(),a=!1;E._dragElements.forEach((t=>{"dragging"===t.dragStatus&&("Stage"===t.node.nodeType||t.node.getLayer()===r)&&(a=!0)}));var n=!e&&!i.hitOnDragEnabled&&(a||i.isTransforming());return this.isListening()&&this.isVisible()&&!n}show(){return this.visible(!0),this}hide(){return this.visible(!1),this}getZIndex(){return this.index||0}getAbsoluteZIndex(){var t,e,i,r,a=this.getDepth(),n=this,s=0;const o=this.getStage();return"Stage"!==n.nodeType&&o&&function o(h){for(t=[],e=h.length,i=0;i<e;i++)r=h[i],s++,r.nodeType!==W&&(t=t.concat(r.getChildren().slice())),r._id===n._id&&(i=e);t.length>0&&t[0].getDepth()<=a&&o(t)}(o.getChildren()),s}getDepth(){for(var t=0,e=this.parent;e;)t++,e=e.parent;return t}_batchTransformChanges(t){this._batchingTransformChange=!0,t(),this._batchingTransformChange=!1,this._needClearTransformCache&&(this._clearCache(X),this._clearSelfAndDescendantCache(O)),this._needClearTransformCache=!1}setPosition(t){return this._batchTransformChanges((()=>{this.x(t.x),this.y(t.y)})),this}getPosition(){return{x:this.x(),y:this.y()}}getRelativePointerPosition(){const t=this.getStage();if(!t)return null;var e=t.getPointerPosition();if(!e)return null;var i=this.getAbsoluteTransform().copy();return i.invert(),i.point(e)}getAbsolutePosition(t){let e=!1,i=this.parent;for(;i;){if(i.isCached()){e=!0;break}i=i.parent}e&&!t&&(t=!0);var r=this.getAbsoluteTransform(t).getMatrix(),n=new a,s=this.offset();return n.m=r.slice(),n.translate(s.x,s.y),n.getTranslation()}setAbsolutePosition(t){const{x:e,y:i,...r}=this._clearTransform();this.attrs.x=e,this.attrs.y=i,this._clearCache(X);var a=this._getAbsoluteTransform().copy();return a.invert(),a.translate(t.x,t.y),t={x:this.attrs.x+a.getTranslation().x,y:this.attrs.y+a.getTranslation().y},this._setTransform(r),this.setPosition({x:t.x,y:t.y}),this._clearCache(X),this._clearSelfAndDescendantCache(O),this}_setTransform(t){var e;for(e in t)this.attrs[e]=t[e]}_clearTransform(){var t={x:this.x(),y:this.y(),rotation:this.rotation(),scaleX:this.scaleX(),scaleY:this.scaleY(),offsetX:this.offsetX(),offsetY:this.offsetY(),skewX:this.skewX(),skewY:this.skewY()};return this.attrs.x=0,this.attrs.y=0,this.attrs.rotation=0,this.attrs.scaleX=1,this.attrs.scaleY=1,this.attrs.offsetX=0,this.attrs.offsetY=0,this.attrs.skewX=0,this.attrs.skewY=0,t}move(t){var e=t.x,i=t.y,r=this.x(),a=this.y();return void 0!==e&&(r+=e),void 0!==i&&(a+=i),this.setPosition({x:r,y:a}),this}_eachAncestorReverse(t,e){var i,r,a=[],n=this.getParent();if(!e||e._id!==this._id){for(a.unshift(this);n&&(!e||n._id!==e._id);)a.unshift(n),n=n.parent;for(i=a.length,r=0;r<i;r++)t(a[r])}}rotate(t){return this.rotation(this.rotation()+t),this}moveToTop(){if(!this.parent)return g.warn("Node has no parent. moveToTop function is ignored."),!1;var t=this.index;return t<this.parent.getChildren().length-1&&(this.parent.children.splice(t,1),this.parent.children.push(this),this.parent._setChildrenIndices(),!0)}moveUp(){if(!this.parent)return g.warn("Node has no parent. moveUp function is ignored."),!1;var t=this.index;return t<this.parent.getChildren().length-1&&(this.parent.children.splice(t,1),this.parent.children.splice(t+1,0,this),this.parent._setChildrenIndices(),!0)}moveDown(){if(!this.parent)return g.warn("Node has no parent. moveDown function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.splice(t-1,0,this),this.parent._setChildrenIndices(),!0)}moveToBottom(){if(!this.parent)return g.warn("Node has no parent. moveToBottom function is ignored."),!1;var t=this.index;return t>0&&(this.parent.children.splice(t,1),this.parent.children.unshift(this),this.parent._setChildrenIndices(),!0)}setZIndex(t){if(!this.parent)return g.warn("Node has no parent. zIndex parameter is ignored."),this;(t<0||t>=this.parent.children.length)&&g.warn("Unexpected value "+t+" for zIndex property. zIndex is just index of a node in children of its parent. Expected value is from 0 to "+(this.parent.children.length-1)+".");var e=this.index;return this.parent.children.splice(e,1),this.parent.children.splice(t,0,this),this.parent._setChildrenIndices(),this}getAbsoluteOpacity(){return this._getCache(D,this._getAbsoluteOpacity)}_getAbsoluteOpacity(){var t=this.opacity(),e=this.getParent();return e&&!e._isUnderCache&&(t*=e.getAbsoluteOpacity()),t}moveTo(t){return this.getParent()!==t&&(this._remove(),t.add(this)),this}toObject(){var t,e,i,r,a=this.getAttrs();const n={attrs:{},className:this.getClassName()};for(t in a)e=a[t],g.isObject(e)&&!g._isPlainObject(e)&&!g._isArray(e)||(i="function"==typeof this[t]&&this[t],delete a[t],r=i?i.call(this):null,a[t]=e,r!==e&&(n.attrs[t]=e));return g._prepareToStringify(n)}toJSON(){return JSON.stringify(this.toObject())}getParent(){return this.parent}findAncestors(t,e,i){var r=[];e&&this._isMatch(t)&&r.push(this);for(var a=this.parent;a;){if(a===i)return r;a._isMatch(t)&&r.push(a),a=a.parent}return r}isAncestorOf(t){return!1}findAncestor(t,e,i){return this.findAncestors(t,e,i)[0]}_isMatch(t){if(!t)return!1;if("function"==typeof t)return t(this);var e,i,r=t.replace(/ /g,"").split(","),a=r.length;for(e=0;e<a;e++)if(i=r[e],g.isValidSelector(i)||(g.warn('Selector "'+i+'" is invalid. Allowed selectors examples are "#foo", ".bar" or "Group".'),g.warn('If you have a custom shape with such className, please change it to start with upper letter like "Triangle".'),g.warn("Konva is awesome, right?")),"#"===i.charAt(0)){if(this.id()===i.slice(1))return!0}else if("."===i.charAt(0)){if(this.hasName(i.slice(1)))return!0}else if(this.className===i||this.nodeType===i)return!0;return!1}getLayer(){var t=this.getParent();return t?t.getLayer():null}getStage(){return this._getCache(Y,this._getStage)}_getStage(){var t=this.getParent();return t?t.getStage():null}fire(t,e={},i){return e.target=e.target||this,i?this._fireAndBubble(t,e):this._fire(t,e),this}getAbsoluteTransform(t){return t?this._getAbsoluteTransform(t):this._getCache(O,this._getAbsoluteTransform)}_getAbsoluteTransform(t){var e;if(t)return e=new a,this._eachAncestorReverse((function(t){var i=t.transformsEnabled();"all"===i?e.multiply(t.getTransform()):"position"===i&&e.translate(t.x()-t.offsetX(),t.y()-t.offsetY())}),t),e;e=this._cache.get(O)||new a,this.parent?this.parent.getAbsoluteTransform().copyInto(e):e.reset();var i=this.transformsEnabled();if("all"===i)e.multiply(this.getTransform());else if("position"===i){const t=this.attrs.x||0,i=this.attrs.y||0,r=this.attrs.offsetX||0,a=this.attrs.offsetY||0;e.translate(t-r,i-a)}return e.dirty=!1,e}getAbsoluteScale(t){for(var e=this;e;)e._isUnderCache&&(t=e),e=e.getParent();const i=this.getAbsoluteTransform(t).decompose();return{x:i.scaleX,y:i.scaleY}}getAbsoluteRotation(){return this.getAbsoluteTransform().decompose().rotation}getTransform(){return this._getCache(X,this._getTransform)}_getTransform(){var t,e,r=this._cache.get(X)||new a;r.reset();var n=this.x(),s=this.y(),o=i.getAngle(this.rotation()),h=null!==(t=this.attrs.scaleX)&&void 0!==t?t:1,l=null!==(e=this.attrs.scaleY)&&void 0!==e?e:1,d=this.attrs.skewX||0,c=this.attrs.skewY||0,g=this.attrs.offsetX||0,u=this.attrs.offsetY||0;return 0===n&&0===s||r.translate(n,s),0!==o&&r.rotate(o),0===d&&0===c||r.skew(d,c),1===h&&1===l||r.scale(h,l),0===g&&0===u||r.translate(-1*g,-1*u),r.dirty=!1,r}clone(t){var e,i,r,a,n,s=g.cloneObject(this.attrs);for(e in t)s[e]=t[e];var o=new this.constructor(s);for(e in this.eventListeners)for(r=(i=this.eventListeners[e]).length,a=0;a<r;a++)(n=i[a]).name.indexOf("konva")<0&&(o.eventListeners[e]||(o.eventListeners[e]=[]),o.eventListeners[e].push(n));return o}_toKonvaCanvas(t){t=t||{};var e=this.getClientRect(),i=this.getStage(),r=void 0!==t.x?t.x:Math.floor(e.x),a=void 0!==t.y?t.y:Math.floor(e.y),n=t.pixelRatio||1,s=new G({width:t.width||Math.ceil(e.width)||(i?i.width():0),height:t.height||Math.ceil(e.height)||(i?i.height():0),pixelRatio:n}),o=s.getContext();const h=new G({width:s.width/s.pixelRatio+Math.abs(r),height:s.height/s.pixelRatio+Math.abs(a),pixelRatio:s.pixelRatio});return!1===t.imageSmoothingEnabled&&(o._context.imageSmoothingEnabled=!1),o.save(),(r||a)&&o.translate(-1*r,-1*a),this.drawScene(s,void 0,h),o.restore(),s}toCanvas(t){return this._toKonvaCanvas(t)._canvas}toDataURL(t){var e=(t=t||{}).mimeType||null,i=t.quality||null,r=this._toKonvaCanvas(t).toDataURL(e,i);return t.callback&&t.callback(r),r}toImage(t){return new Promise(((e,i)=>{try{const i=null==t?void 0:t.callback;i&&delete t.callback,g._urlToImage(this.toDataURL(t),(function(t){e(t),null==i||i(t)}))}catch(t){i(t)}}))}toBlob(t){return new Promise(((e,i)=>{try{const i=null==t?void 0:t.callback;i&&delete t.callback,this.toCanvas(t).toBlob((t=>{e(t),null==i||i(t)}),null==t?void 0:t.mimeType,null==t?void 0:t.quality)}catch(t){i(t)}}))}setSize(t){return this.width(t.width),this.height(t.height),this}getSize(){return{width:this.width(),height:this.height()}}getClassName(){return this.className||this.nodeType}getType(){return this.nodeType}getDragDistance(){return void 0!==this.attrs.dragDistance?this.attrs.dragDistance:this.parent?this.parent.getDragDistance():i.dragDistance}_off(t,e,i){var r,a,n,s=this.eventListeners[t];for(r=0;r<s.length;r++)if(a=s[r].name,n=s[r].handler,!("konva"===a&&"konva"!==e||e&&a!==e||i&&i!==n)){if(s.splice(r,1),0===s.length){delete this.eventListeners[t];break}r--}}_fireChangeEvent(t,e,i){this._fire(t+"Change",{oldVal:e,newVal:i})}addName(t){if(!this.hasName(t)){var e=this.name(),i=e?e+" "+t:t;this.name(i)}return this}hasName(t){if(!t)return!1;const e=this.name();return!!e&&-1!==(e||"").split(/\s/g).indexOf(t)}removeName(t){var e=(this.name()||"").split(/\s/g),i=e.indexOf(t);return-1!==i&&(e.splice(i,1),this.name(e.join(" "))),this}setAttr(t,e){var i=this["set"+g._capitalize(t)];return g._isFunction(i)?i.call(this,e):this._setAttr(t,e),this}_requestDraw(){if(i.autoDrawEnabled){const t=this.getLayer()||this.getStage();null==t||t.batchDraw()}}_setAttr(t,e){var i=this.attrs[t];(i!==e||g.isObject(e))&&(null==e?delete this.attrs[t]:this.attrs[t]=e,this._shouldFireChangeEvents&&this._fireChangeEvent(t,i,e),this._requestDraw())}_setComponentAttr(t,e,i){var r;void 0!==i&&((r=this.attrs[t])||(this.attrs[t]=this.getAttr(t)),this.attrs[t][e]=i,this._fireChangeEvent(t,r,i))}_fireAndBubble(t,e,i){if(e&&this.nodeType===W&&(e.target=this),!((t===B||t===H)&&(i&&(this===i||this.isAncestorOf&&this.isAncestorOf(i))||"Stage"===this.nodeType&&!i))){this._fire(t,e);var r=(t===B||t===H)&&i&&i.isAncestorOf&&i.isAncestorOf(this)&&!i.isAncestorOf(this.parent);(e&&!e.cancelBubble||!e)&&this.parent&&this.parent.isListening()&&!r&&(i&&i.parent?this._fireAndBubble.call(this.parent,t,e,i):this._fireAndBubble.call(this.parent,t,e))}}_getProtoListeners(t){var e,i,r;const a=null!==(e=this._cache.get(L))&&void 0!==e?e:{};let n=null==a?void 0:a[t];if(void 0===n){n=[];let e=Object.getPrototypeOf(this);for(;e;){const a=null!==(r=null===(i=e.eventListeners)||void 0===i?void 0:i[t])&&void 0!==r?r:[];n.push(...a),e=Object.getPrototypeOf(e)}a[t]=n,this._cache.set(L,a)}return n}_fire(t,e){(e=e||{}).currentTarget=this,e.type=t;const i=this._getProtoListeners(t);if(i)for(var r=0;r<i.length;r++)i[r].handler.call(this,e);const a=this.eventListeners[t];if(a)for(r=0;r<a.length;r++)a[r].handler.call(this,e)}draw(){return this.drawScene(),this.drawHit(),this}_createDragElement(t){var e=t?t.pointerId:void 0,i=this.getStage(),r=this.getAbsolutePosition();if(i){var a=i._getPointerById(e)||i._changedPointerPositions[0]||r;E._dragElements.set(this._id,{node:this,startPointerPos:a,offset:{x:a.x-r.x,y:a.y-r.y},dragStatus:"ready",pointerId:e})}}startDrag(t,e=!0){E._dragElements.has(this._id)||this._createDragElement(t);E._dragElements.get(this._id).dragStatus="dragging",this.fire("dragstart",{type:"dragstart",target:this,evt:t&&t.evt},e)}_setDragPosition(t,e){const i=this.getStage()._getPointerById(e.pointerId);if(i){var r={x:i.x-e.offset.x,y:i.y-e.offset.y},a=this.dragBoundFunc();if(void 0!==a){const e=a.call(this,r,t);e?r=e:g.warn("dragBoundFunc did not return any value. That is unexpected behavior. You must return new absolute position from dragBoundFunc.")}this._lastPos&&this._lastPos.x===r.x&&this._lastPos.y===r.y||(this.setAbsolutePosition(r),this._requestDraw()),this._lastPos=r}}stopDrag(t){const e=E._dragElements.get(this._id);e&&(e.dragStatus="stopped"),E._endDragBefore(t),E._endDragAfter(t)}setDraggable(t){this._setAttr("draggable",t),this._dragChange()}isDragging(){const t=E._dragElements.get(this._id);return!!t&&"dragging"===t.dragStatus}_listenDrag(){this._dragCleanup(),this.on("mousedown.konva touchstart.konva",(function(t){if((!(void 0!==t.evt.button)||i.dragButtons.indexOf(t.evt.button)>=0)&&!this.isDragging()){var e=!1;E._dragElements.forEach((t=>{this.isAncestorOf(t.node)&&(e=!0)})),e||this._createDragElement(t)}}))}_dragChange(){if(this.attrs.draggable)this._listenDrag();else{if(this._dragCleanup(),!this.getStage())return;const t=E._dragElements.get(this._id),e=t&&"dragging"===t.dragStatus,i=t&&"ready"===t.dragStatus;e?this.stopDrag():i&&E._dragElements.delete(this._id)}}_dragCleanup(){this.off("mousedown.konva"),this.off("touchstart.konva")}isClientRectOnScreen(t={x:0,y:0}){const e=this.getStage();if(!e)return!1;const i={x:-t.x,y:-t.y,width:e.width()+2*t.x,height:e.height()+2*t.y};return g.haveIntersection(i,this.getClientRect())}static create(t,e){return g._isString(t)&&(t=JSON.parse(t)),this._createNode(t,e)}static _createNode(t,e){var r,a,n,s=V.prototype.getClassName.call(t),o=t.children;e&&(t.attrs.container=e),i[s]||(g.warn('Can not find a node with class name "'+s+'". Fallback to "Shape".'),s="Shape");if(r=new(0,i[s])(t.attrs),o)for(a=o.length,n=0;n<a;n++)r.add(V._createNode(o[n]));return r}}V.prototype.nodeType="Node",V.prototype._attrsAffectingSize=[],V.prototype.eventListeners={},V.prototype.on.call(V.prototype,j,(function(){this._batchingTransformChange?this._needClearTransformCache=!0:(this._clearCache(X),this._clearSelfAndDescendantCache(O))})),V.prototype.on.call(V.prototype,"visibleChange.konva",(function(){this._clearSelfAndDescendantCache(q)})),V.prototype.on.call(V.prototype,"listeningChange.konva",(function(){this._clearSelfAndDescendantCache(N)})),V.prototype.on.call(V.prototype,"opacityChange.konva",(function(){this._clearSelfAndDescendantCache(D)}));const K=w.addGetterSetter;K(V,"zIndex"),K(V,"absolutePosition"),K(V,"position"),K(V,"x",0,p()),K(V,"y",0,p(