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     * @license
     * Lodash (Custom Build) <https://lodash.com/>
     * Build: `lodash modularize exports="es" -o ./`
     * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>
     * Released under MIT license <https://lodash.com/license>
     * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
     * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
     */
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Sy{constructor(t,e){super(),this.x=null==t?0:t,this.y=null==e?0:e}round(e=0){return this.x=t.GeometryUtil.round(this.x,e),this.y=t.GeometryUtil.round(this.y,e),this}add(t,e){const n=Oy.create(t,e);return this.x+=n.x,this.y+=n.y,this}update(t,e){const n=Oy.create(t,e);return this.x=n.x,this.y=n.y,this}translate(t,e){const n=Oy.create(t,e);return this.x+=n.x,this.y+=n.y,this}rotate(t,e){const n=Oy.rotate(this,t,e);return this.x=n.x,this.y=n.y,this}scale(t,e,n=new Oy){const r=Oy.create(n);return this.x=r.x+t*(this.x-r.x),this.y=r.y+e*(this.y-r.y),this}closest(t){if(1===t.length)return Oy.create(t[0]);let e=null,n=1/0;return t.forEach((t=>{const r=this.squaredDistance(t);r<n&&(e=t,n=r)})),e?Oy.create(e):null}distance(t){return Math.sqrt(this.squaredDistance(t))}squaredDistance(t){const e=Oy.create(t),n=this.x-e.x,r=this.y-e.y;return n*n+r*r}manhattanDistance(t){const e=Oy.create(t);return Math.abs(e.x-this.x)+Math.abs(e.y-this.y)}magnitude(){return Math.sqrt(this.x*this.x+this.y*this.y)||.01}theta(t=new Oy){const e=Oy.create(t),n=-(e.y-this.y),r=e.x-this.x;let i=Math.atan2(n,r);return i<0&&(i=2*Math.PI+i),180*i/Math.PI}angleBetween(t,e){if(this.equals(t)||this.equals(e))return NaN;let n=this.theta(e)-this.theta(t);return n<0&&(n+=360),n}vectorAngle(t){return new Oy(0,0).angleBetween(this,t)}toPolar(t){return this.update(Oy.toPolar(this,t)),this}changeInAngle(t,e,n=new Oy){return this.clone().translate(-t,-e).theta(n)-this.theta(n)}adhereToRect(e){return t.GeometryUtil.containsPoint(e,this)||(this.x=Math.min(Math.max(this.x,e.x),e.x+e.width),this.y=Math.min(Math.max(this.y,e.y),e.y+e.height)),this}bearing(e){const n=Oy.create(e),r=t.Angle.toRad(this.y),i=t.Angle.toRad(n.y),s=this.x,o=n.x,a=t.Angle.toRad(o-s),l=Math.sin(a)*Math.cos(i),c=Math.cos(r)*Math.sin(i)-Math.sin(r)*Math.cos(i)*Math.cos(a);let h=t.Angle.toDeg(Math.atan2(l,c))-22.5;return h<0&&(h+=360),h=parseInt(h/45,10),["NE","E","SE","S","SW","W","NW","N"][h]}cross(t,e){if(null!=t&&null!=e){const n=Oy.create(t),r=Oy.create(e);return(r.x-this.x)*(n.y-this.y)-(r.y-this.y)*(n.x-this.x)}return NaN}dot(t){const e=Oy.create(t);return this.x*e.x+this.y*e.y}diff(t,e){if("number"==typeof t)return new Oy(this.x-t,this.y-e);const n=Oy.create(t);return new Oy(this.x-n.x,this.y-n.y)}lerp(t,e){const n=Oy.create(t);return new Oy((1-e)*this.x+e*n.x,(1-e)*this.y+e*n.y)}normalize(t=1){const e=t/this.magnitude();return this.scale(e,e)}move(e,n){const r=Oy.create(e),i=t.Angle.toRad(r.theta(this));return this.translate(Math.cos(i)*n,-Math.sin(i)*n)}reflection(t){return Oy.create(t).move(this,this.distance(t))}snapToGrid(e,n){return this.x=t.GeometryUtil.snapToGrid(this.x,e),this.y=t.GeometryUtil.snapToGrid(this.y,null==n?e:n),this}equals(t){const e=Oy.create(t);return null!=e&&e.x===this.x&&e.y===this.y}clone(){return Oy.clone(this)}toJSON(){return Oy.toJSON(this)}serialize(){return`${this.x} ${this.y}`}}!function(t){t.isPoint=function(e){return null!=e&&e instanceof t}}(Oy||(Oy={})),function(t){t.isPointLike=function(t){return null!=t&&"object"==typeof t&&"number"==typeof t.x&&"number"==typeof t.y},t.isPointData=function(t){return null!=t&&Array.isArray(t)&&2===t.length&&"number"==typeof t[0]&&"number"==typeof t[1]}}(Oy||(Oy={})),function(e){function n(t){return e.isPoint(t)?new e(t.x,t.y):Array.isArray(t)?new e(t[0],t[1]):new e(t.x,t.y)}function r(t,e){return t===e||null!=t&&null!=e&&(t.x===e.x&&t.y===e.y)}function i(t,r,i,s=new e){const o=n(t),a=n(s),l=o.x-a.x,c=o.y-a.y,h=c*r+l*i;return new e(l*r-c*i+a.x,h+a.y)}e.create=function(t,r){return null==t||"number"==typeof t?new e(t,r):n(t)},e.clone=n,e.toJSON=function(t){return e.isPoint(t)?{x:t.x,y:t.y}:Array.isArray(t)?{x:t[0],y:t[1]}:{x:t.x,y:t.y}},e.fromPolar=function(r,i,s=new e){let o=Math.abs(r*Math.cos(i)),a=Math.abs(r*Math.sin(i));const l=n(s),c=t.Angle.normalize(t.Angle.toDeg(i));return c<90?a=-a:c<180?(o=-o,a=-a):c<270&&(o=-o),new e(l.x+o,l.y+a)},e.toPolar=function(r,i=new e){const s=n(r),o=n(i),a=s.x-o.x,l=s.y-o.y;return new e(Math.sqrt(a*a+l*l),t.Angle.toRad(o.theta(s)))},e.equals=r,e.equalPoints=function(t,e){if(null==t&&null!=e||null!=t&&null==e||null!=t&&null!=e&&t.length!==e.length)return!1;if(null!=t&&null!=e)for(let n=0,i=t.length;n<i;n+=1)if(!r(t[n],e[n]))return!1;return!0},e.random=function(n,r,i,s){return new e(t.GeometryUtil.random(n,r),t.GeometryUtil.random(i,s))},e.rotate=function(e,n,r){const s=t.Angle.toRad(t.Angle.normalize(-n)),o=Math.sin(s);return i(e,Math.cos(s),o,r)},e.rotateEx=i}(Oy||(Oy={}));class Ty extends Sy{get left(){return this.x}get top(){return this.y}get right(){return this.x+this.width}get bottom(){return this.y+this.height}get origin(){return new Oy(this.x,this.y)}get topLeft(){return new Oy(this.x,this.y)}get topCenter(){return new Oy(this.x+this.width/2,this.y)}get topRight(){return new Oy(this.x+this.width,this.y)}get center(){return new Oy(this.x+this.width/2,this.y+this.height/2)}get bottomLeft(){return new Oy(this.x,this.y+this.height)}get bottomCenter(){return new Oy(this.x+this.width/2,this.y+this.height)}get bottomRight(){return new Oy(this.x+this.width,this.y+this.height)}get corner(){return new Oy(this.x+this.width,this.y+this.height)}get rightMiddle(){return new Oy(this.x+this.width,this.y+this.height/2)}get leftMiddle(){return new Oy(this.x,this.y+this.height/2)}get topLine(){return new ky(this.topLeft,this.topRight)}get rightLine(){return new ky(this.topRight,this.bottomRight)}get bottomLine(){return new ky(this.bottomLeft,this.bottomRight)}get leftLine(){return new ky(this.topLeft,this.bottomLeft)}constructor(t,e,n,r){super(),this.x=null==t?0:t,this.y=null==e?0:e,this.width=null==n?0:n,this.height=null==r?0:r}getOrigin(){return this.origin}getTopLeft(){return this.topLeft}getTopCenter(){return this.topCenter}getTopRight(){return this.topRight}getCenter(){return this.center}getCenterX(){return this.x+this.width/2}getCenterY(){return this.y+this.height/2}getBottomLeft(){return this.bottomLeft}getBottomCenter(){return this.bottomCenter}getBottomRight(){return this.bottomRight}getCorner(){return this.corner}getRightMiddle(){return this.rightMiddle}getLeftMiddle(){return this.leftMiddle}getTopLine(){return this.topLine}getRightLine(){return this.rightLine}getBottomLine(){return this.bottomLine}getLeftLine(){return this.leftLine}bbox(e){if(!e)return this.clone();const n=t.Angle.toRad(e),r=Math.abs(Math.sin(n)),i=Math.abs(Math.cos(n)),s=this.width*i+this.height*r,o=this.width*r+this.height*i;return new Ty(this.x+(this.width-s)/2,this.y+(this.height-o)/2,s,o)}round(e=0){return this.x=t.GeometryUtil.round(this.x,e),this.y=t.GeometryUtil.round(this.y,e),this.width=t.GeometryUtil.round(this.width,e),this.height=t.GeometryUtil.round(this.height,e),this}add(t,e,n,r){const i=Ty.create(t,e,n,r),s=Math.min(this.x,i.x),o=Math.min(this.y,i.y),a=Math.max(this.x+this.width,i.x+i.width),l=Math.max(this.y+this.height,i.y+i.height);return this.x=s,this.y=o,this.width=a-s,this.height=l-o,this}update(t,e,n,r){const i=Ty.create(t,e,n,r);return this.x=i.x,this.y=i.y,this.width=i.width,this.height=i.height,this}inflate(t,e){const n=t,r=null!=e?e:t;return this.x-=n,this.y-=r,this.width+=2*n,this.height+=2*r,this}snapToGrid(t,e){const n=this.origin.snapToGrid(t,e),r=this.corner.snapToGrid(t,e);return this.x=n.x,this.y=n.y,this.width=r.x-n.x,this.height=r.y-n.y,this}translate(t,e){const n=Oy.create(t,e);return this.x+=n.x,this.y+=n.y,this}scale(t,e,n=new Oy){const r=this.origin.scale(t,e,n);return this.x=r.x,this.y=r.y,this.width*=t,this.height*=e,this}rotate(e,n=this.getCenter()){if(0!==e){const r=t.Angle.toRad(e),i=Math.cos(r),s=Math.sin(r);let o=this.getOrigin(),a=this.getTopRight(),l=this.getBottomRight(),c=this.getBottomLeft();o=Oy.rotateEx(o,i,s,n),a=Oy.rotateEx(a,i,s,n),l=Oy.rotateEx(l,i,s,n),c=Oy.rotateEx(c,i,s,n);const h=new Ty(o.x,o.y,0,0);h.add(a.x,a.y,0,0),h.add(l.x,l.y,0,0),h.add(c.x,c.y,0,0),this.update(h)}return this}rotate90(){const t=(this.width-this.height)/2;this.x+=t,this.y-=t;const e=this.width;return this.width=this.height,this.height=e,this}moveAndExpand(t){const e=Ty.clone(t);return this.x+=e.x||0,this.y+=e.y||0,this.width+=e.width||0,this.height+=e.height||0,this}getMaxScaleToFit(t,e=this.center){const n=Ty.clone(t),r=e.x,i=e.y;let s=1/0,o=1/0,a=1/0,l=1/0,c=1/0,h=1/0,u=1/0,g=1/0;const d=n.topLeft;d.x<r&&(s=(this.x-r)/(d.x-r)),d.y<i&&(c=(this.y-i)/(d.y-i));const f=n.bottomRight;f.x>r&&(o=(this.x+this.width-r)/(f.x-r)),f.y>i&&(h=(this.y+this.height-i)/(f.y-i));const p=n.topRight;p.x>r&&(a=(this.x+this.width-r)/(p.x-r)),p.y<i&&(u=(this.y-i)/(p.y-i));const m=n.bottomLeft;return m.x<r&&(l=(this.x-r)/(m.x-r)),m.y>i&&(g=(this.y+this.height-i)/(m.y-i)),{sx:Math.min(s,o,a,l),sy:Math.min(c,h,u,g)}}getMaxUniformScaleToFit(t,e=this.center){const n=this.getMaxScaleToFit(t,e);return Math.min(n.sx,n.sy)}containsPoint(e,n){return t.GeometryUtil.containsPoint(this,Oy.create(e,n))}containsRect(t,e,n,r){const i=Ty.create(t,e,n,r),s=this.x,o=this.y,a=this.width,l=this.height,c=i.x,h=i.y,u=i.width,g=i.height;return 0!==a&&0!==l&&0!==u&&0!==g&&(c>=s&&h>=o&&c+u<=s+a&&h+g<=o+l)}intersectsWithLine(t){const e=[this.topLine,this.rightLine,this.bottomLine,this.leftLine],n=[],r=[];return e.forEach((e=>{const i=t.intersectsWithLine(e);null!==i&&r.indexOf(i.toString())<0&&(n.push(i),r.push(i.toString()))})),n.length>0?n:null}intersectsWithLineFromCenterToPoint(t,e){const n=Oy.clone(t),r=this.center;let i=null;null!=e&&0!==e&&n.rotate(e,r);const s=[this.topLine,this.rightLine,this.bottomLine,this.leftLine],o=new ky(r,n);for(let t=s.length-1;t>=0;t-=1){const e=s[t].intersectsWithLine(o);if(null!==e){i=e;break}}return i&&null!=e&&0!==e&&i.rotate(-e,r),i}intersectsWithRect(t,e,n,r){const i=Ty.create(t,e,n,r);if(!this.isIntersectWithRect(i))return null;const s=this.origin,o=this.corner,a=i.origin,l=i.corner,c=Math.max(s.x,a.x),h=Math.max(s.y,a.y);return new Ty(c,h,Math.min(o.x,l.x)-c,Math.min(o.y,l.y)-h)}isIntersectWithRect(t,e,n,r){const i=Ty.create(t,e,n,r),s=this.origin,o=this.corner,a=i.origin,l=i.corner;return!(l.x<=s.x||l.y<=s.y||a.x>=o.x||a.y>=o.y)}normalize(){let t=this.x,e=this.y,n=this.width,r=this.height;return this.width<0&&(t=this.x+this.width,n=-this.width),this.height<0&&(e=this.y+this.height,r=-this.height),this.x=t,this.y=e,this.width=n,this.height=r,this}union(t){const e=Ty.clone(t),n=this.origin,r=this.corner,i=e.origin,s=e.corner,o=Math.min(n.x,i.x),a=Math.min(n.y,i.y),l=Math.max(r.x,s.x),c=Math.max(r.y,s.y);return new Ty(o,a,l-o,c-a)}getNearestSideToPoint(t){const e=Oy.clone(t),n=e.x-this.x,r=this.x+this.width-e.x,i=e.y-this.y;let s=n,o="left";return r<s&&(s=r,o="right"),i<s&&(s=i,o="top"),this.y+this.height-e.y<s&&(o="bottom"),o}getNearestPointToPoint(t){const e=Oy.clone(t);if(this.containsPoint(e)){const t=this.getNearestSideToPoint(e);if("left"===t)return new Oy(this.x,e.y);if("top"===t)return new Oy(e.x,this.y);if("right"===t)return new Oy(this.x+this.width,e.y);if("bottom"===t)return new Oy(e.x,this.y+this.height)}return e.adhereToRect(this)}equals(t){return null!=t&&t.x===this.x&&t.y===this.y&&t.width===this.width&&t.height===this.height}clone(){return new Ty(this.x,this.y,this.width,this.height)}toJSON(){return{x:this.x,y:this.y,width:this.width,height:this.height}}serialize(){return`${this.x} ${this.y} ${this.width} ${this.height}`}}!function(t){t.isRectangle=function(e){return null!=e&&e instanceof t}}(Ty||(Ty={})),function(t){t.isRectangleLike=function(t){return null!=t&&"object"==typeof t&&"number"==typeof t.x&&"number"==typeof t.y&&"number"==typeof t.width&&"number"==typeof t.height}}(Ty||(Ty={})),function(t){function e(e){return t.isRectangle(e)?e.clone():Array.isArray(e)?new t(e[0],e[1],e[2],e[3]):new t(e.x,e.y,e.width,e.height)}t.create=function(n,r,i,s){return null==n||"number"==typeof n?new t(n,r,i,s):e(n)},t.clone=e,t.fromEllipse=function(e){return new t(e.x-e.a,e.y-e.b,2*e.a,2*e.b)},t.fromSize=function(e){return new t(0,0,e.width,e.height)},t.fromPositionAndSize=function(e,n){return new t(e.x,e.y,n.width,n.height)}}(Ty||(Ty={}));class ky extends Sy{get center(){return new Oy((this.start.x+this.end.x)/2,(this.start.y+this.end.y)/2)}constructor(t,e,n,r){super(),"number"==typeof t&&"number"==typeof e?(this.start=new Oy(t,e),this.end=new Oy(n,r)):(this.start=Oy.create(t),this.end=Oy.create(e))}getCenter(){return this.center}round(t=0){return this.start.round(t),this.end.round(t),this}translate(t,e){return"number"==typeof t?(this.start.translate(t,e),this.end.translate(t,e)):(this.start.translate(t),this.end.translate(t)),this}rotate(t,e){return this.start.rotate(t,e),this.end.rotate(t,e),this}scale(t,e,n){return this.start.scale(t,e,n),this.end.scale(t,e,n),this}length(){return Math.sqrt(this.squaredLength())}squaredLength(){const t=this.start.x-this.end.x,e=this.start.y-this.end.y;return t*t+e*e}setLength(t){const e=this.length();if(!e)return this;const n=t/e;return this.scale(n,n,this.start)}parallel(t){const e=this.clone();if(!e.isDifferentiable())return e;const{start:n,end:r}=e,i=n.clone().rotate(270,r),s=r.clone().rotate(90,n);return n.move(s,t),r.move(i,t),e}vector(){return new Oy(this.end.x-this.start.x,this.end.y-this.start.y)}angle(){const t=new Oy(this.start.x+1,this.start.y);return this.start.angleBetween(this.end,t)}bbox(){const t=Math.min(this.start.x,this.end.x),e=Math.min(this.start.y,this.end.y),n=Math.max(this.start.x,this.end.x),r=Math.max(this.start.y,this.end.y);return new Ty(t,e,n-t,r-e)}bearing(){return this.start.bearing(this.end)}closestPoint(t){return this.pointAt(this.closestPointNormalizedLength(t))}closestPointLength(t){return this.closestPointNormalizedLength(t)*this.length()}closestPointTangent(t){return this.tangentAt(this.closestPointNormalizedLength(t))}closestPointNormalizedLength(t){const e=this.vector().dot(new ky(this.start,t).vector()),n=Math.min(1,Math.max(0,e/this.squaredLength()));return Number.isNaN(n)?0:n}pointAt(t){const e=this.start,n=this.end;return t<=0?e.clone():t>=1?n.clone():e.lerp(n,t)}pointAtLength(t){const e=this.start,n=this.end;let r=!0;t<0&&(r=!1,t=-t);const i=this.length();if(t>=i)return r?n.clone():e.clone();const s=(r?t:i-t)/i;return this.pointAt(s)}divideAt(t){const e=this.pointAt(t);return[new ky(this.start,e),new ky(e,this.end)]}divideAtLength(t){const e=this.pointAtLength(t);return[new ky(this.start,e),new ky(e,this.end)]}containsPoint(t){const e=this.start,n=this.end;if(0!==e.cross(t,n))return!1;const r=this.length();return!(new ky(e,t).length()>r)&&!(new ky(t,n).length()>r)}intersect(t,e){const n=t.intersectsWithLine(this,e);return n?Array.isArray(n)?n:[n]:null}intersectsWithLine(t){const e=new Oy(this.end.x-this.start.x,this.end.y-this.start.y),n=new Oy(t.end.x-t.start.x,t.end.y-t.start.y),r=e.x*n.y-e.y*n.x,i=new Oy(t.start.x-this.start.x,t.start.y-this.start.y),s=i.x*n.y-i.y*n.x,o=i.x*e.y-i.y*e.x;if(0===r||s*r<0||o*r<0)return null;if(r>0){if(s>r||o>r)return null}else if(s<r||o<r)return null;return new Oy(this.start.x+s*e.x/r,this.start.y+s*e.y/r)}isDifferentiable(){return!this.start.equals(this.end)}pointOffset(t){const e=Oy.clone(t),n=this.start,r=this.end;return((r.x-n.x)*(e.y-n.y)-(r.y-n.y)*(e.x-n.x))/this.length()}pointSquaredDistance(t,e){const n=Oy.create(t,e);return this.closestPoint(n).squaredDistance(n)}pointDistance(t,e){const n=Oy.create(t,e);return this.closestPoint(n).distance(n)}tangentAt(t){if(!this.isDifferentiable())return null;const e=this.start,n=this.end,r=this.pointAt(t),i=new ky(e,n);return i.translate(r.x-e.x,r.y-e.y),i}tangentAtLength(t){if(!this.isDifferentiable())return null;const e=this.start,n=this.end,r=this.pointAtLength(t),i=new ky(e,n);return i.translate(r.x-e.x,r.y-e.y),i}relativeCcw(t,e){const n=Oy.create(t,e);let r=n.x-this.start.x,i=n.y-this.start.y;const s=this.end.x-this.start.x,o=this.end.y-this.start.y;let a=r*o-i*s;return 0===a&&(a=r*s+i*o,a>0&&(r-=s,i-=o,a=r*s+i*o,a<0&&(a=0))),a<0?-1:a>0?1:0}equals(t){return null!=t&&this.start.x===t.start.x&&this.start.y===t.start.y&&this.end.x===t.end.x&&this.end.y===t.end.y}clone(){return new ky(this.start,this.end)}toJSON(){return{start:this.start.toJSON(),end:this.end.toJSON()}}serialize(){return[this.start.serialize(),this.end.serialize()].join(" ")}}!function(t){t.isLine=function(e){return null!=e&&e instanceof t}}(ky||(ky={}));let Ny=class t extends Sy{get center(){return new Oy(this.x,this.y)}constructor(t,e,n,r){super(),this.x=null==t?0:t,this.y=null==e?0:e,this.a=null==n?0:n,this.b=null==r?0:r}bbox(){return Ty.fromEllipse(this)}getCenter(){return this.center}inflate(t,e){const n=t,r=null!=e?e:t;return this.a+=2*n,this.b+=2*r,this}normalizedDistance(t,e){const n=Oy.create(t,e),r=n.x-this.x,i=n.y-this.y,s=this.a,o=this.b;return r*r/(s*s)+i*i/(o*o)}containsPoint(t,e){return this.normalizedDistance(t,e)<=1}intersectsWithLine(t){const e=[],n=this.a,r=this.b,i=t.start,s=t.end,o=t.vector(),a=i.diff(new Oy(this.x,this.y)),l=new Oy(o.x/(n*n),o.y/(r*r)),c=new Oy(a.x/(n*n),a.y/(r*r)),h=o.dot(l),u=o.dot(c),g=u*u-h*(a.dot(c)-1);if(g<0)return null;if(g>0){const t=Math.sqrt(g),n=(-u-t)/h,r=(-u+t)/h;if((n<0||n>1)&&(r<0||r>1))return null;n>=0&&n<=1&&e.push(i.lerp(s,n)),r>=0&&r<=1&&e.push(i.lerp(s,r))}else{const t=-u/h;if(!(t>=0&&t<=1))return null;e.push(i.lerp(s,t))}return e}intersectsWithLineFromCenterToPoint(t,e=0){const n=Oy.clone(t);e&&n.rotate(e,this.getCenter());const r=n.x-this.x,i=n.y-this.y;let s;if(0===r)return s=this.bbox().getNearestPointToPoint(n),e?s.rotate(-e,this.getCenter()):s;const o=i/r,a=o*o,l=this.a*this.a,c=this.b*this.b;let h=Math.sqrt(1/(1/l+a/c));h=r<0?-h:h;const u=o*h;return s=new Oy(this.x+h,this.y+u),e?s.rotate(-e,this.getCenter()):s}tangentTheta(t){const e=Oy.clone(t),n=e.x,r=e.y,i=this.a,s=this.b,o=this.bbox().center,a=o.x,l=o.y,c=n>o.x+i/2,h=n<o.x-i/2;let u,g;return c||h?(g=n>o.x?r-30:r+30,u=i*i/(n-a)-i*i*(r-l)*(g-l)/(s*s*(n-a))+a):(u=r>o.y?n+30:n-30,g=s*s/(r-l)-s*s*(n-a)*(u-a)/(i*i*(r-l))+l),new Oy(u,g).theta(e)}scale(t,e){return this.a*=t,this.b*=e,this}rotate(e,n){const r=Ty.fromEllipse(this);r.rotate(e,n);const i=t.fromRect(r);return this.a=i.a,this.b=i.b,this.x=i.x,this.y=i.y,this}translate(t,e){const n=Oy.create(t,e);return this.x+=n.x,this.y+=n.y,this}equals(t){return null!=t&&t.x===this.x&&t.y===this.y&&t.a===this.a&&t.b===this.b}clone(){return new t(this.x,this.y,this.a,this.b)}toJSON(){return{x:this.x,y:this.y,a:this.a,b:this.b}}serialize(){return`${this.x} ${this.y} ${this.a} ${this.b}`}};!function(t){t.isEllipse=function(e){return null!=e&&e instanceof t}}(Ny||(Ny={})),function(t){function e(e){return t.isEllipse(e)?e.clone():Array.isArray(e)?new t(e[0],e[1],e[2],e[3]):new t(e.x,e.y,e.a,e.b)}t.create=function(n,r,i,s){return null==n||"number"==typeof n?new t(n,r,i,s):e(n)},t.parse=e,t.fromRect=function(e){const n=e.center;return new t(n.x,n.y,e.width/2,e.height/2)}}(Ny||(Ny={}));const jy=new RegExp("^[\\s\\dLMCZz,.]*$");function _y(t){return"string"==typeof t&&jy.test(t)}function Ly(t,e){return(t%e+e)%e}function By(t,e={}){const n=[];return t&&t.length&&t.forEach((t=>{Array.isArray(t)?n.push({x:t[0],y:t[1]}):n.push({x:t.x,y:t.y})})),function(t,e,n,r,i){const s=[],o=t[t.length-1],a=null!=e&&e>0,l=e||0;if(r&&a){const e=(t=t.slice())[0],n=new Oy(o.x+(e.x-o.x)/2,o.y+(e.y-o.y)/2);t.splice(0,0,n)}let c=t[0],h=1;for(n?s.push("M",c.x,c.y):s.push("L",c.x,c.y);h<(r?t.length:t.length-1);){let e=t[Ly(h,t.length)],n=c.x-e.x,r=c.y-e.y;if(a&&(0!==n||0!==r)&&(null==i||i.indexOf(h-1)<0)){let i=Math.sqrt(n*n+r*r);const o=n*Math.min(l,i/2)/i,a=r*Math.min(l,i/2)/i,c=e.x+o,u=e.y+a;s.push("L",c,u);let g=t[Ly(h+1,t.length)];for(;h<t.length-2&&0===Math.round(g.x-e.x)&&0===Math.round(g.y-e.y);)g=t[Ly(h+2,t.length)],h+=1;n=g.x-e.x,r=g.y-e.y,i=Math.max(1,Math.sqrt(n*n+r*r));const d=n*Math.min(l,i/2)/i,f=r*Math.min(l,i/2)/i,p=e.x+d,m=e.y+f;s.push("Q",e.x,e.y,p,m),e=new Oy(p,m)}else s.push("L",e.x,e.y);c=e,h+=1}return r?s.push("Z"):s.push("L",o.x,o.y),s.map((t=>"string"==typeof t?t:+t.toFixed(3))).join(" ")}(n,e.round,null==e.initialMove||e.initialMove,e.close,e.exclude)}function Iy(t,e,n,r,i=0,s=0,o=0,a,l){if(0===n||0===r)return[];a-=t,l-=e,n=Math.abs(n),r=Math.abs(r);const c=-a/2,h=-l/2,u=Math.cos(i*Math.PI/180),g=Math.sin(i*Math.PI/180),d=u*c+g*h,f=-1*g*c+u*h,p=d*d,m=f*f,y=n*n,v=r*r,b=p/y+m/v;let x;if(b>1)n=Math.sqrt(b)*n,r=Math.sqrt(b)*r,x=0;else{let t=1;s===o&&(t=-1),x=t*Math.sqrt((y*v-y*m-v*p)/(y*m+v*p))}const w=x*n*f/r,A=-1*x*r*d/n,C=u*w-g*A+a/2,P=g*w+u*A+l/2;let M=Math.atan2((f-A)/r,(d-w)/n)-Math.atan2(0,1),E=M>=0?M:2*Math.PI+M;M=Math.atan2((-f-A)/r,(-d-w)/n)-Math.atan2((f-A)/r,(d-w)/n);let S=M>=0?M:2*Math.PI+M;0===o&&S>0?S-=2*Math.PI:0!==o&&S<0&&(S+=2*Math.PI);const O=2*S/Math.PI,T=Math.ceil(O<0?-1*O:O),k=S/T,N=8/3*Math.sin(k/4)*Math.sin(k/4)/Math.sin(k/2),j=u*n,_=u*r,L=g*n,B=g*r;let I=Math.cos(E),D=Math.sin(E),R=-N*(j*D+B*I),V=-N*(L*D-_*I),z=0,$=0;const F=[];for(let n=0;n<T;n+=1){E+=k,I=Math.cos(E),D=Math.sin(E),z=j*I-B*D+C,$=L*I+_*D+P;const r=-N*(j*D+B*I),i=-N*(L*D-_*I),s=6*n;F[s]=Number(R+t),F[s+1]=Number(V+e),F[s+2]=Number(z-r+t),F[s+3]=Number($-i+e),F[s+4]=Number(z+t),F[s+5]=Number($+e),R=z+r,V=$+i}return F.map((t=>+t.toFixed(2)))}function Dy(t,e,n,r,i=0,s=0,o=0,a,l){const c=[],h=Iy(t,e,n,r,i,s,o,a,l);if(null!=h)for(let t=0,e=h.length;t<e;t+=6)c.push("C",h[t],h[t+1],h[t+2],h[t+3],h[t+4],h[t+5]);return c.join(" ")}let Ry=class t extends Sy{get start(){return this.points[0]||null}get end(){return this.points[this.points.length-1]||null}constructor(e){if(super(),null!=e){if("string"==typeof e)return t.parse(e);this.points=e.map((t=>Oy.create(t)))}else this.points=[]}scale(t,e,n=new Oy){return this.points.forEach((r=>r.scale(t,e,n))),this}rotate(t,e){return this.points.forEach((n=>n.rotate(t,e))),this}translate(t,e){const n=Oy.create(t,e);return this.points.forEach((t=>t.translate(n.x,n.y))),this}round(t=0){return this.points.forEach((e=>e.round(t))),this}bbox(){if(0===this.points.length)return new Ty;let t=1/0,e=-1/0,n=1/0,r=-1/0;const i=this.points;for(let s=0,o=i.length;s<o;s+=1){const o=i[s],a=o.x,l=o.y;a<t&&(t=a),a>e&&(e=a),l<n&&(n=l),l>r&&(r=l)}return new Ty(t,n,e-t,r-n)}closestPoint(t){const e=this.closestPointLength(t);return this.pointAtLength(e)}closestPointLength(t){const e=this.points,n=e.length;if(0===n||1===n)return 0;let r=0,i=0,s=1/0;for(let o=0,a=n-1;o<a;o+=1){const n=new ky(e[o],e[o+1]),a=n.length(),l=n.closestPointNormalizedLength(t),c=n.pointAt(l).squaredDistance(t);c<s&&(s=c,i=r+l*a),r+=a}return i}closestPointNormalizedLength(t){const e=this.length();if(0===e)return 0;return this.closestPointLength(t)/e}closestPointTangent(t){const e=this.closestPointLength(t);return this.tangentAtLength(e)}containsPoint(t){if(0===this.points.length)return!1;const e=Oy.clone(t),n=e.x,r=e.y,i=this.points,s=i.length;let o=s-1,a=0;for(let l=0;l<s;l+=1){const s=i[o],c=i[l];if(e.equals(s))return!0;const h=new ky(s,c);if(h.containsPoint(t))return!0;if(r<=s.y&&r>c.y||r>s.y&&r<=c.y){const e=s.x-n>c.x-n?s.x-n:c.x-n;if(e>=0){const i=new Oy(n+e,r),s=new ky(t,i);h.intersectsWithLine(s)&&(a+=1)}}o=l}return a%2==1}intersectsWithLine(t){const e=[];for(let n=0,r=this.points.length-1;n<r;n+=1){const r=this.points[n],i=this.points[n+1],s=t.intersectsWithLine(new ky(r,i));s&&e.push(s)}return e.length>0?e:null}isDifferentiable(){for(let t=0,e=this.points.length-1;t<e;t+=1){const e=this.points[t],n=this.points[t+1];if(new ky(e,n).isDifferentiable())return!0}return!1}length(){let t=0;for(let e=0,n=this.points.length-1;e<n;e+=1){const n=this.points[e],r=this.points[e+1];t+=n.distance(r)}return t}pointAt(t){const e=this.points,n=e.length;if(0===n)return null;if(1===n)return e[0].clone();if(t<=0)return e[0].clone();if(t>=1)return e[n-1].clone();const r=this.length()*t;return this.pointAtLength(r)}pointAtLength(t){const e=this.points,n=e.length;if(0===n)return null;if(1===n)return e[0].clone();let r=!0;t<0&&(r=!1,t=-t);let i=0;for(let s=0,o=n-1;s<o;s+=1){const n=r?s:o-1-s,a=e[n],l=e[n+1],c=new ky(a,l),h=a.distance(l);if(t<=i+h)return c.pointAtLength((r?1:-1)*(t-i));i+=h}return(r?e[n-1]:e[0]).clone()}tangentAt(t){const e=this.points.length;if(0===e||1===e)return null;t<0&&(t=0),t>1&&(t=1);const n=this.length()*t;return this.tangentAtLength(n)}tangentAtLength(t){const e=this.points,n=e.length;if(0===n||1===n)return null;let r,i=!0;t<0&&(i=!1,t=-t);let s=0;for(let o=0,a=n-1;o<a;o+=1){const n=i?o:a-1-o,l=e[n],c=e[n+1],h=new ky(l,c),u=l.distance(c);if(h.isDifferentiable()){if(t<=s+u)return h.tangentAtLength((i?1:-1)*(t-s));r=h}s+=u}if(r){const t=i?1:0;return r.tangentAt(t)}return null}simplify(t={}){const e=this.points;if(e.length<3)return this;const n=t.threshold||0;let r=0;for(;e[r+2];){const t=r+1,i=r+2,s=e[r],o=e[t],a=e[i];new ky(s,a).closestPoint(o).distance(o)<=n?e.splice(t,1):r+=1}return this}toHull(){const e=this.points,n=e.length;if(0===n)return new t;let r=e[0];for(let t=1;t<n;t+=1)(e[t].y<r.y||e[t].y===r.y&&e[t].x>r.x)&&(r=e[t]);const i=[];for(let t=0;t<n;t+=1){let n=r.theta(e[t]);0===n&&(n=360),i.push([e[t],t,n])}if(i.sort(((t,e)=>{let n=t[2]-e[2];return 0===n&&(n=e[1]-t[1]),n})),i.length>2){const t=i[i.length-1];i.unshift(t)}const s={},o=[],a=t=>`${t[0].toString()}@${t[1]}`;for(;0!==i.length;){const t=i.pop(),e=t[0];if(s[a(t)])continue;let n=!1;for(;!n;)if(o.length<2)o.push(t),n=!0;else{const r=o.pop(),l=r[0],c=o.pop(),h=c[0],u=h.cross(l,e);if(u<0)o.push(c),o.push(r),o.push(t),n=!0;else if(0===u){const t=1e-10,n=l.angleBetween(h,e);Math.abs(n-180)<t||l.equals(e)||h.equals(l)?(s[a(r)]=l,o.push(c)):Math.abs((n+1)%360-1)<t&&(o.push(c),i.push(r))}else s[a(r)]=l,o.push(c)}}let l;o.length>2&&o.pop();let c=-1;for(let t=0,e=o.length;t<e;t+=1){const e=o[t][1];(void 0===l||e<l)&&(l=e,c=t)}let h=[];if(c>0){const t=o.slice(c),e=o.slice(0,c);h=t.concat(e)}else h=o;const u=[];for(let t=0,e=h.length;t<e;t+=1)u.push(h[t][0]);return new t(u)}equals(t){return null!=t&&(t.points.length===this.points.length&&t.points.every(((t,e)=>t.equals(this.points[e]))))}clone(){return new t(this.points.map((t=>t.clone())))}toJSON(){return this.points.map((t=>t.toJSON()))}serialize(){return this.points.map((t=>`${t.serialize()}`)).join(" ")}};!function(t){t.isPolyline=function(e){return null!=e&&e instanceof t}}(Ry||(Ry={})),function(t){t.parse=function(e){const n=e.trim();if(""===n)return new t;const r=[],i=n.split(/\s*,\s*|\s+/);for(let t=0,e=i.length;t<e;t+=2)r.push({x:+i[t],y:+i[t+1]});return new t(r)}}(Ry||(Ry={}));class Vy extends Sy{constructor(t,e,n,r){super(),this.PRECISION=3,this.start=Oy.create(t),this.controlPoint1=Oy.create(e),this.controlPoint2=Oy.create(n),this.end=Oy.create(r)}bbox(){const t=this.start,e=this.controlPoint1,n=this.controlPoint2,r=this.end,i=t.x,s=t.y,o=e.x,a=e.y,l=n.x,c=n.y,h=r.x,u=r.y,g=[],d=[[],[]];let f,p,m,y,v,b,x,w,A,C,P;for(let t=0;t<2;t+=1)if(0===t?(p=6*i-12*o+6*l,f=-3*i+9*o-9*l+3*h,m=3*o-3*i):(p=6*s-12*a+6*c,f=-3*s+9*a-9*c+3*u,m=3*a-3*s),Math.abs(f)<1e-12){if(Math.abs(p)<1e-12)continue;y=-m/p,y>0&&y<1&&g.push(y)}else x=p*p-4*m*f,w=Math.sqrt(x),x<0||(v=(-p+w)/(2*f),v>0&&v<1&&g.push(v),b=(-p-w)/(2*f),b>0&&b<1&&g.push(b));let M=g.length;const E=M;for(;M;)M-=1,y=g[M],P=1-y,A=P*P*P*i+3*P*P*y*o+3*P*y*y*l+y*y*y*h,d[0][M]=A,C=P*P*P*s+3*P*P*y*a+3*P*y*y*c+y*y*y*u,d[1][M]=C;g[E]=0,g[E+1]=1,d[0][E]=i,d[1][E]=s,d[0][E+1]=h,d[1][E+1]=u,g.length=E+2,d[0].length=E+2,d[1].length=E+2;const S=Math.min.apply(null,d[0]),O=Math.min.apply(null,d[1]),T=Math.max.apply(null,d[0]),k=Math.max.apply(null,d[1]);return new Ty(S,O,T-S,k-O)}closestPoint(t,e={}){return this.pointAtT(this.closestPointT(t,e))}closestPointLength(t,e={}){const n=this.getOptions(e);return this.lengthAtT(this.closestPointT(t,n),n)}closestPointNormalizedLength(t,e={}){const n=this.getOptions(e),r=this.closestPointLength(t,n);if(!r)return 0;const i=this.length(n);return 0===i?0:r/i}closestPointT(t,e={}){const n=this.getPrecision(e),r=this.getDivisions(e),i=Math.pow(10,-n);let s=null,o=0,a=0,l=0,c=0,h=0,u=null;const g=r.length;let d=g>0?1/g:0;for(r.forEach(((e,n)=>{const r=e.start.distance(t),i=e.end.distance(t),g=r+i;(null==u||g<u)&&(s=e,o=n*d,a=(n+1)*d,l=r,c=i,u=g,h=e.endpointDistance())}));;){const e=l?Math.abs(l-c)/l:0,n=null!=c?Math.abs(l-c)/c:0;if(e<i||n<i||(!l||l<h*i||(!c||c<h*i)))return l<=c?o:a;const r=s.divide(.5);d/=2;const u=r[0].start.distance(t),g=r[0].end.distance(t),f=u+g,p=r[1].start.distance(t),m=r[1].end.distance(t);f<=p+m?(s=r[0],a-=d,l=u,c=g):(s=r[1],o+=d,l=p,c=m)}}closestPointTangent(t,e={}){return this.tangentAtT(this.closestPointT(t,e))}containsPoint(t,e={}){return this.toPolyline(e).containsPoint(t)}divideAt(t,e={}){if(t<=0)return this.divideAtT(0);if(t>=1)return this.divideAtT(1);const n=this.tAt(t,e);return this.divideAtT(n)}divideAtLength(t,e={}){const n=this.tAtLength(t,e);return this.divideAtT(n)}divide(t){return this.divideAtT(t)}divideAtT(t){const e=this.start,n=this.controlPoint1,r=this.controlPoint2,i=this.end;if(t<=0)return[new Vy(e,e,e,e),new Vy(e,n,r,i)];if(t>=1)return[new Vy(e,n,r,i),new Vy(i,i,i,i)];const s=this.getSkeletonPoints(t),o=s.startControlPoint1,a=s.startControlPoint2,l=s.divider,c=s.dividerControlPoint1,h=s.dividerControlPoint2;return[new Vy(e,o,a,l),new Vy(l,c,h,i)]}endpointDistance(){return this.start.distance(this.end)}getSkeletonPoints(t){const e=this.start,n=this.controlPoint1,r=this.controlPoint2,i=this.end;if(t<=0)return{startControlPoint1:e.clone(),startControlPoint2:e.clone(),divider:e.clone(),dividerControlPoint1:n.clone(),dividerControlPoint2:r.clone()};if(t>=1)return{startControlPoint1:n.clone(),startControlPoint2:r.clone(),divider:i.clone(),dividerControlPoint1:i.clone(),dividerControlPoint2:i.clone()};const s=new ky(e,n).pointAt(t),o=new ky(n,r).pointAt(t),a=new ky(r,i).pointAt(t),l=new ky(s,o).pointAt(t),c=new ky(o,a).pointAt(t);return{startControlPoint1:s,startControlPoint2:l,divider:new ky(l,c).pointAt(t),dividerControlPoint1:c,dividerControlPoint2:a}}getSubdivisions(t={}){const e=this.getPrecision(t);let n=[new Vy(this.start,this.controlPoint1,this.controlPoint2,this.end)];if(0===e)return n;let r=this.endpointDistance();const i=Math.pow(10,-e);let s=0;for(;;){s+=1;const t=[];n.forEach((e=>{const n=e.divide(.5);t.push(n[0],n[1])}));const e=t.reduce(((t,e)=>t+e.endpointDistance()),0);if(s>1&&(0!==e?(e-r)/e:0)<i)return t;n=t,r=e}}length(t={}){return this.getDivisions(t).reduce(((t,e)=>t+e.endpointDistance()),0)}lengthAtT(t,e={}){if(t<=0)return 0;const n=void 0===e.precision?this.PRECISION:e.precision;return this.divide(t)[0].length({precision:n})}pointAt(t,e={}){if(t<=0)return this.start.clone();if(t>=1)return this.end.clone();const n=this.tAt(t,e);return this.pointAtT(n)}pointAtLength(t,e={}){const n=this.tAtLength(t,e);return this.pointAtT(n)}pointAtT(t){return t<=0?this.start.clone():t>=1?this.end.clone():this.getSkeletonPoints(t).divider}isDifferentiable(){const t=this.start,e=this.controlPoint1,n=this.controlPoint2,r=this.end;return!(t.equals(e)&&e.equals(n)&&n.equals(r))}tangentAt(t,e={}){if(!this.isDifferentiable())return null;t<0?t=0:t>1&&(t=1);const n=this.tAt(t,e);return this.tangentAtT(n)}tangentAtLength(t,e={}){if(!this.isDifferentiable())return null;const n=this.tAtLength(t,e);return this.tangentAtT(n)}tangentAtT(t){if(!this.isDifferentiable())return null;t<0&&(t=0),t>1&&(t=1);const e=this.getSkeletonPoints(t),n=e.startControlPoint2,r=e.dividerControlPoint1,i=e.divider,s=new ky(n,r);return s.translate(i.x-n.x,i.y-n.y),s}getPrecision(t={}){return null==t.precision?this.PRECISION:t.precision}getDivisions(t={}){if(null!=t.subdivisions)return t.subdivisions;const e=this.getPrecision(t);return this.getSubdivisions({precision:e})}getOptions(t={}){return{precision:this.getPrecision(t),subdivisions:this.getDivisions(t)}}tAt(t,e={}){if(t<=0)return 0;if(t>=1)return 1;const n=this.getOptions(e),r=this.length(n)*t;return this.tAtLength(r,n)}tAtLength(t,e={}){let n=!0;t<0&&(n=!1,t=-t);const r=this.getPrecision(e),i=this.getDivisions(e),s={precision:r,subdivisions:i};let o,a,l=null,c=0,h=0,u=0;const g=i.length;let d=g>0?1/g:0;for(let e=0;e<g;e+=1){const r=n?e:g-1-e,s=i[e],f=s.endpointDistance();if(t<=u+f){l=s,o=r*d,a=(r+1)*d,c=n?t-u:f+u-t,h=n?f+u-t:t-u;break}u+=f}if(null==l)return n?1:0;const f=this.length(s),p=Math.pow(10,-r);for(;;){let t,e,n;if(t=0!==f?c/f:0,t<p)return o;if(t=0!==f?h/f:0,t<p)return a;const r=l.divide(.5);d/=2;const i=r[0].endpointDistance(),s=r[1].endpointDistance();c<=i?(l=r[0],a-=d,e=c,n=i-e):(l=r[1],o+=d,e=c-i,n=s-e),c=e,h=n}}toPoints(t={}){const e=this.getDivisions(t),n=[e[0].start.clone()];return e.forEach((t=>n.push(t.end.clone()))),n}toPolyline(t={}){return new Ry(this.toPoints(t))}scale(t,e,n){return this.start.scale(t,e,n),this.controlPoint1.scale(t,e,n),this.controlPoint2.scale(t,e,n),this.end.scale(t,e,n),this}rotate(t,e){return this.start.rotate(t,e),this.controlPoint1.rotate(t,e),this.controlPoint2.rotate(t,e),this.end.rotate(t,e),this}translate(t,e){return"number"==typeof t?(this.start.translate(t,e),this.controlPoint1.translate(t,e),this.controlPoint2.translate(t,e),this.end.translate(t,e)):(this.start.translate(t),this.controlPoint1.translate(t),this.controlPoint2.translate(t),this.end.translate(t)),this}equals(t){return null!=t&&this.start.equals(t.start)&&this.controlPoint1.equals(t.controlPoint1)&&this.controlPoint2.equals(t.controlPoint2)&&this.end.equals(t.end)}clone(){return new Vy(this.start,this.controlPoint1,this.controlPoint2,this.end)}toJSON(){return{start:this.start.toJSON(),controlPoint1:this.controlPoint1.toJSON(),controlPoint2:this.controlPoint2.toJSON(),end:this.end.toJSON()}}serialize(){return[this.start.serialize(),this.controlPoint1.serialize(),this.controlPoint2.serialize(),this.end.serialize()].join(" ")}}!function(t){t.isCurve=function(e){return null!=e&&e instanceof t}}(Vy||(Vy={})),function(t){function e(t){const e=t.length,n=[],r=[];let i=2;n[0]=t[0]/i;for(let s=1;s<e;s+=1)r[s]=1/i,i=(s<e-1?4:3.5)-r[s],n[s]=(t[s]-n[s-1])/i;for(let t=1;t<e;t+=1)n[e-t-1]-=r[e-t]*n[e-t];return n}t.throughPoints=function(n){if(null==n||Array.isArray(n)&&n.length<2)throw new Error("At least 2 points are required");const r=function(t){const n=t.map((t=>Oy.clone(t))),r=[],i=[],s=n.length-1;if(1===s)return r[0]=new Oy((2*n[0].x+n[1].x)/3,(2*n[0].y+n[1].y)/3),i[0]=new Oy(2*r[0].x-n[0].x,2*r[0].y-n[0].y),[r,i];const o=[];for(let t=1;t<s-1;t+=1)o[t]=4*n[t].x+2*n[t+1].x;o[0]=n[0].x+2*n[1].x,o[s-1]=(8*n[s-1].x+n[s].x)/2;const a=e(o);for(let t=1;t<s-1;t+=1)o[t]=4*n[t].y+2*n[t+1].y;o[0]=n[0].y+2*n[1].y,o[s-1]=(8*n[s-1].y+n[s].y)/2;const l=e(o);for(let t=0;t<s;t+=1)r.push(new Oy(a[t],l[t])),t<s-1?i.push(new Oy(2*n[t+1].x-a[t+1],2*n[t+1].y-l[t+1])):i.push(new Oy((n[s].x+a[s-1])/2,(n[s].y+l[s-1])/2));return[r,i]}(n),i=[];for(let e=0,s=r[0].length;e<s;e+=1){const s=new Oy(r[0][e].x,r[0][e].y),o=new Oy(r[1][e].x,r[1][e].y);i.push(new t(n[e],s,o,n[e+1]))}return i}}(Vy||(Vy={}));class zy extends Sy{constructor(){super(...arguments),this.isVisible=!0,this.isSegment=!0,this.isSubpathStart=!1}get end(){return this.endPoint}get start(){if(null==this.previousSegment)throw new Error("Missing previous segment. (This segment cannot be the first segment of a path, or segment has not yet been added to a path.)");return this.previousSegment.end}closestPointT(t,e){if(this.closestPointNormalizedLength)return this.closestPointNormalizedLength(t);throw new Error("Neither `closestPointT` nor `closestPointNormalizedLength` method is implemented.")}lengthAtT(t,e){if(t<=0)return 0;const n=this.length();return t>=1?n:n*t}divideAtT(t){if(this.divideAt)return this.divideAt(t);throw new Error("Neither `divideAtT` nor `divideAt` method is implemented.")}pointAtT(t){if(this.pointAt)return this.pointAt(t);throw new Error("Neither `pointAtT` nor `pointAt` method is implemented.")}tangentAtT(t){if(this.tangentAt)return this.tangentAt(t);throw new Error("Neither `tangentAtT` nor `tangentAt` method is implemented.")}}class $y extends zy{constructor(t,e){super(),ky.isLine(t)?this.endPoint=t.end.clone().round(2):this.endPoint=Oy.create(t,e).round(2)}get type(){return"L"}get line(){return new ky(this.start,this.end)}bbox(){return this.line.bbox()}closestPoint(t){return this.line.closestPoint(t)}closestPointLength(t){return this.line.closestPointLength(t)}closestPointNormalizedLength(t){return this.line.closestPointNormalizedLength(t)}closestPointTangent(t){return this.line.closestPointTangent(t)}length(){return this.line.length()}divideAt(t){const e=this.line.divideAt(t);return[new $y(e[0]),new $y(e[1])]}divideAtLength(t){const e=this.line.divideAtLength(t);return[new $y(e[0]),new $y(e[1])]}getSubdivisions(){return[]}pointAt(t){return this.line.pointAt(t)}pointAtLength(t){return this.line.pointAtLength(t)}tangentAt(t){return this.line.tangentAt(t)}tangentAtLength(t){return this.line.tangentAtLength(t)}isDifferentiable(){return null!=this.previousSegment&&!this.start.equals(this.end)}clone(){return new $y(this.end)}scale(t,e,n){return this.end.scale(t,e,n),this}rotate(t,e){return this.end.rotate(t,e),this}translate(t,e){return"number"==typeof t?this.end.translate(t,e):this.end.translate(t),this}equals(t){return this.type===t.type&&this.start.equals(t.start)&&this.end.equals(t.end)}toJSON(){return{type:this.type,start:this.start.toJSON(),end:this.end.toJSON()}}serialize(){const t=this.end;return`${this.type} ${t.x} ${t.y}`}}!function(t){t.create=function(...e){const n=e.length,r=e[0];if(ky.isLine(r))return new t(r);if(Oy.isPointLike(r))return 1===n?new t(r):e.map((e=>new t(e)));if(2===n)return new t(+e[0],+e[1]);const i=[];for(let r=0;r<n;r+=2){const n=+e[r],s=+e[r+1];i.push(new t(n,s))}return i}}($y||($y={}));class Fy extends zy{get end(){if(!this.subpathStartSegment)throw new Error("Missing subpath start segment. (This segment needs a subpath start segment (e.g. MoveTo), or segment has not yet been added to a path.)");return this.subpathStartSegment.end}get type(){return"Z"}get line(){return new ky(this.start,this.end)}bbox(){return this.line.bbox()}closestPoint(t){return this.line.closestPoint(t)}closestPointLength(t){return this.line.closestPointLength(t)}closestPointNormalizedLength(t){return this.line.closestPointNormalizedLength(t)}closestPointTangent(t){return this.line.closestPointTangent(t)}length(){return this.line.length()}divideAt(t){const e=this.line.divideAt(t);return[e[1].isDifferentiable()?new $y(e[0]):this.clone(),new $y(e[1])]}divideAtLength(t){const e=this.line.divideAtLength(t);return[e[1].isDifferentiable()?new $y(e[0]):this.clone(),new $y(e[1])]}getSubdivisions(){return[]}pointAt(t){return this.line.pointAt(t)}pointAtLength(t){return this.line.pointAtLength(t)}tangentAt(t){return this.line.tangentAt(t)}tangentAtLength(t){return this.line.tangentAtLength(t)}isDifferentiable(){return!(!this.previousSegment||!this.subpathStartSegment)&&!this.start.equals(this.end)}scale(){return this}rotate(){return this}translate(){return this}equals(t){return this.type===t.type&&this.start.equals(t.start)&&this.end.equals(t.end)}clone(){return new Fy}toJSON(){return{type:this.type,start:this.start.toJSON(),end:this.end.toJSON()}}serialize(){return this.type}}!function(t){t.create=function(){return new t}}(Fy||(Fy={}));class Uy extends zy{constructor(t,e){super(),this.isVisible=!1,this.isSubpathStart=!0,ky.isLine(t)||Vy.isCurve(t)?this.endPoint=t.end.clone().round(2):this.endPoint=Oy.create(t,e).round(2)}get start(){throw new Error("Illegal access. Moveto segments should not need a start property.")}get type(){return"M"}bbox(){return null}closestPoint(){return this.end.clone()}closestPointLength(){return 0}closestPointNormalizedLength(){return 0}closestPointT(){return 1}closestPointTangent(){return null}length(){return 0}lengthAtT(){return 0}divideAt(){return[this.clone(),this.clone()]}divideAtLength(){return[this.clone(),this.clone()]}getSubdivisions(){return[]}pointAt(){return this.end.clone()}pointAtLength(){return this.end.clone()}pointAtT(){return this.end.clone()}tangentAt(){return null}tangentAtLength(){return null}tangentAtT(){return null}isDifferentiable(){return!1}scale(t,e,n){return this.end.scale(t,e,n),this}rotate(t,e){return this.end.rotate(t,e),this}translate(t,e){return"number"==typeof t?this.end.translate(t,e):this.end.translate(t),this}clone(){return new Uy(this.end)}equals(t){return this.type===t.type&&this.end.equals(t.end)}toJSON(){return{type:this.type,end:this.end.toJSON()}}serialize(){const t=this.end;return`${this.type} ${t.x} ${t.y}`}}!function(t){t.create=function(...e){const n=e.length,r=e[0];if(ky.isLine(r))return new t(r);if(Vy.isCurve(r))return new t(r);if(Oy.isPointLike(r)){if(1===n)return new t(r);const i=[];for(let r=0;r<n;r+=1)0===r?i.push(new t(e[r])):i.push(new $y(e[r]));return i}if(2===n)return new t(+e[0],+e[1]);const i=[];for(let r=0;r<n;r+=2){const n=+e[r],s=+e[r+1];0===r?i.push(new t(n,s)):i.push(new $y(n,s))}return i}}(Uy||(Uy={}));class Gy extends zy{constructor(t,e,n,r,i,s){super(),Vy.isCurve(t)?(this.controlPoint1=t.controlPoint1.clone().round(2),this.controlPoint2=t.controlPoint2.clone().round(2),this.endPoint=t.end.clone().round(2)):"number"==typeof t?(this.controlPoint1=new Oy(t,e).round(2),this.controlPoint2=new Oy(n,r).round(2),this.endPoint=new Oy(i,s).round(2)):(this.controlPoint1=Oy.create(t).round(2),this.controlPoint2=Oy.create(e).round(2),this.endPoint=Oy.create(n).round(2))}get type(){return"C"}get curve(){return new Vy(this.start,this.controlPoint1,this.controlPoint2,this.end)}bbox(){return this.curve.bbox()}closestPoint(t){return this.curve.closestPoint(t)}closestPointLength(t){return this.curve.closestPointLength(t)}closestPointNormalizedLength(t){return this.curve.closestPointNormalizedLength(t)}closestPointTangent(t){return this.curve.closestPointTangent(t)}length(){return this.curve.length()}divideAt(t,e={}){const n=this.curve.divideAt(t,e);return[new Gy(n[0]),new Gy(n[1])]}divideAtLength(t,e={}){const n=this.curve.divideAtLength(t,e);return[new Gy(n[0]),new Gy(n[1])]}divideAtT(t){const e=this.curve.divideAtT(t);return[new Gy(e[0]),new Gy(e[1])]}getSubdivisions(){return[]}pointAt(t){return this.curve.pointAt(t)}pointAtLength(t){return this.curve.pointAtLength(t)}tangentAt(t){return this.curve.tangentAt(t)}tangentAtLength(t){return this.curve.tangentAtLength(t)}isDifferentiable(){if(!this.previousSegment)return!1;const t=this.start,e=this.controlPoint1,n=this.controlPoint2,r=this.end;return!(t.equals(e)&&e.equals(n)&&n.equals(r))}scale(t,e,n){return this.controlPoint1.scale(t,e,n),this.controlPoint2.scale(t,e,n),this.end.scale(t,e,n),this}rotate(t,e){return this.controlPoint1.rotate(t,e),this.controlPoint2.rotate(t,e),this.end.rotate(t,e),this}translate(t,e){return"number"==typeof t?(this.controlPoint1.translate(t,e),this.controlPoint2.translate(t,e),this.end.translate(t,e)):(this.controlPoint1.translate(t),this.controlPoint2.translate(t),this.end.translate(t)),this}equals(t){return this.start.equals(t.start)&&this.end.equals(t.end)&&this.controlPoint1.equals(t.controlPoint1)&&this.controlPoint2.equals(t.controlPoint2)}clone(){return new Gy(this.controlPoint1,this.controlPoint2,this.end)}toJSON(){return{type:this.type,start:this.start.toJSON(),controlPoint1:this.controlPoint1.toJSON(),controlPoint2:this.controlPoint2.toJSON(),end:this.end.toJSON()}}serialize(){const t=this.controlPoint1,e=this.controlPoint2,n=this.end;return[this.type,t.x,t.y,e.x,e.y,n.x,n.y].join(" ")}}function qy(t,e,n){return{x:t*Math.cos(n)-e*Math.sin(n),y:t*Math.sin(n)+e*Math.cos(n)}}function Wy(t,e,n,r,i,s){const o=1/3,a=2/3;return[o*t+a*n,o*e+a*r,o*i+a*n,o*s+a*r,i,s]}function Hy(t,e,n,r,i,s,o,a,l,c){const h=120*Math.PI/180,u=Math.PI/180*(+i||0);let g,d,f,p,m,y=[];if(c)d=c[0],f=c[1],p=c[2],m=c[3];else{g=qy(t,e,-u),t=g.x,e=g.y,g=qy(a,l,-u);const i=(t-(a=g.x))/2,c=(e-(l=g.y))/2;let h=i*i/(n*n)+c*c/(r*r);h>1&&(h=Math.sqrt(h),n*=h,r*=h);const y=n*n,v=r*r,b=(s===o?-1:1)*Math.sqrt(Math.abs((y*v-y*c*c-v*i*i)/(y*c*c+v*i*i)));p=b*n*c/r+(t+a)/2,m=b*-r*i/n+(e+l)/2,d=Math.asin((e-m)/r),f=Math.asin((l-m)/r),d=t<p?Math.PI-d:d,f=a<p?Math.PI-f:f,d<0&&(d=2*Math.PI+d),f<0&&(f=2*Math.PI+f),o&&d>f&&(d-=2*Math.PI),!o&&f>d&&(f-=2*Math.PI)}let v=f-d;if(Math.abs(v)>h){const t=f,e=a,s=l;f=d+h*(o&&f>d?1:-1),y=Hy(a=p+n*Math.cos(f),l=m+r*Math.sin(f),n,r,i,0,o,e,s,[f,t,p,m])}v=f-d;const b=Math.cos(d),x=Math.sin(d),w=Math.cos(f),A=Math.sin(f),C=Math.tan(v/4),P=4/3*(n*C),M=4/3*(r*C),E=[t,e],S=[t+P*x,e-M*b],O=[a+P*A,l-M*w],T=[a,l];if(S[0]=2*E[0]-S[0],S[1]=2*E[1]-S[1],c)return[S,O,T].concat(y);{y=[S,O,T].concat(y).join().split(",");const t=[],e=y.length;for(let n=0;n<e;n+=1)t[n]=n%2?qy(+y[n-1],+y[n],u).y:qy(+y[n],+y[n+1],u).x;return t}}function Jy(t){const e=function(t){if(!t)return null;const e="\t\n\v\f\r   ᠎             　\u2028\u2029",n=new RegExp(`([a-z])[${e},]*((-?\\d*\\.?\\d*(?:e[\\-+]?\\d+)?[${e}]*,?[${e}]*)+)`,"ig"),r=new RegExp(`(-?\\d*\\.?\\d*(?:e[\\-+]?\\d+)?)[${e}]*,?[${e}]*`,"ig"),i={a:7,c:6,h:1,l:2,m:2,q:4,s:4,t:2,v:1,z:0},s=[];return t.replace(n,((t,e,n)=>{const o=[];let a=e.toLowerCase();n.replace(r,((t,e)=>(e&&o.push(+e),t))),"m"===a&&o.length>2&&(s.push([e,...o.splice(0,2)]),a="l",e="m"===e?"l":"L");const l=i[a];for(;o.length>=l&&(s.push([e,...o.splice(0,l)]),l););return t})),s}(t);if(!e||!e.length)return[["M",0,0]];let n=0,r=0,i=0,s=0;const o=[];for(let t=0,a=e.length;t<a;t+=1){const a=[];o.push(a);const l=e[t],c=l[0];if(c!==c.toUpperCase())switch(a[0]=c.toUpperCase(),a[0]){case"A":a[1]=l[1],a[2]=l[2],a[3]=l[3],a[4]=l[4],a[5]=l[5],a[6]=+l[6]+n,a[7]=+l[7]+r;break;case"V":a[1]=+l[1]+r;break;case"H":a[1]=+l[1]+n;break;case"M":i=+l[1]+n,s=+l[2]+r;for(let t=1,e=l.length;t<e;t+=1)a[t]=+l[t]+(t%2?n:r);break;default:for(let t=1,e=l.length;t<e;t+=1)a[t]=+l[t]+(t%2?n:r)}else for(let t=0,e=l.length;t<e;t+=1)a[t]=l[t];switch(a[0]){case"Z":n=+i,r=+s;break;case"H":n=a[1];break;case"V":r=a[1];break;case"M":i=a[a.length-2],s=a[a.length-1],n=a[a.length-2],r=a[a.length-1];break;default:n=a[a.length-2],r=a[a.length-1]}}return o}function Xy(t){const e=Jy(t),n={x:0,y:0,bx:0,by:0,X:0,Y:0,qx:null,qy:null};function r(t,e,n){let r,i;if(!t)return["C",e.x,e.y,e.x,e.y,e.x,e.y];switch(t[0]in{T:1,Q:1}||(e.qx=null,e.qy=null),t[0]){case"M":e.X=t[1],e.Y=t[2];break;case"A":return 0===parseFloat(t[1])||0===parseFloat(t[2])?["L",t[6],t[7]]:["C"].concat(Hy.apply(0,[e.x,e.y].concat(t.slice(1))));case"S":return"C"===n||"S"===n?(r=2*e.x-e.bx,i=2*e.y-e.by):(r=e.x,i=e.y),["C",r,i].concat(t.slice(1));case"T":return"Q"===n||"T"===n?(e.qx=2*e.x-e.qx,e.qy=2*e.y-e.qy):(e.qx=e.x,e.qy=e.y),["C"].concat(Wy(e.x,e.y,e.qx,e.qy,t[1],t[2]));case"Q":return e.qx=t[1],e.qy=t[2],["C"].concat(Wy(e.x,e.y,t[1],t[2],t[3],t[4]));case"H":return["L"].concat(t[1],e.y);case"V":return["L"].concat(e.x,t[1])}return t}function i(t,n){if(t[n].length>7){t[n].shift();const r=t[n];for(;r.length;)s[n]="A",n+=1,t.splice(n,0,["C"].concat(r.splice(0,6)));t.splice(n,1),a=e.length}}const s=[];let o="",a=e.length;for(let t=0;t<a;t+=1){let a="";e[t]&&(a=e[t][0]),"C"!==a&&(s[t]=a,t>0&&(o=s[t-1])),e[t]=r(e[t],n,o),"A"!==s[t]&&"C"===a&&(s[t]="C"),i(e,t);const l=e[t],c=l.length;n.x=l[c-2],n.y=l[c-1],n.bx=parseFloat(l[c-4])||n.x,n.by=parseFloat(l[c-3])||n.y}return e[0][0]&&"M"===e[0][0]||e.unshift(["M",0,0]),e}function Yy(e){return Xy(e).map((e=>e.map((e=>"string"==typeof e?e:t.GeometryUtil.round(e,2))))).join(",").split(",").join(" ")}!function(t){t.create=function(...e){const n=e.length,r=e[0];if(Vy.isCurve(r))return new t(r);if(Oy.isPointLike(r)){if(3===n)return new t(e[0],e[1],e[2]);const r=[];for(let i=0;i<n;i+=3)r.push(new t(e[i],e[i+1],e[i+2]));return r}if(6===n)return new t(e[0],e[1],e[2],e[3],e[4],e[5]);const i=[];for(let r=0;r<n;r+=6)i.push(new t(e[r],e[r+1],e[r+2],e[r+3],e[r+4],e[r+5]));return i}}(Gy||(Gy={}));let Zy=class e extends Sy{constructor(t){if(super(),this.PRECISION=3,this.segments=[],Array.isArray(t))if(ky.isLine(t[0])||Vy.isCurve(t[0])){let n=null;t.forEach(((t,r)=>{0===r&&this.appendSegment(e.createSegment("M",t.start)),null==n||n.end.equals(t.start)||this.appendSegment(e.createSegment("M",t.start)),ky.isLine(t)?this.appendSegment(e.createSegment("L",t.end)):Vy.isCurve(t)&&this.appendSegment(e.createSegment("C",t.controlPoint1,t.controlPoint2,t.end)),n=t}))}else{t.forEach((t=>{t.isSegment&&this.appendSegment(t)}))}else null!=t&&(ky.isLine(t)?(this.appendSegment(e.createSegment("M",t.start)),this.appendSegment(e.createSegment("L",t.end))):Vy.isCurve(t)?(this.appendSegment(e.createSegment("M",t.start)),this.appendSegment(e.createSegment("C",t.controlPoint1,t.controlPoint2,t.end))):Ry.isPolyline(t)?t.points&&t.points.length&&t.points.forEach(((t,n)=>{const r=0===n?e.createSegment("M",t):e.createSegment("L",t);this.appendSegment(r)})):t.isSegment&&this.appendSegment(t))}get start(){const t=this.segments,e=t.length;if(0===e)return null;for(let n=0;n<e;n+=1){const e=t[n];if(e.isVisible)return e.start}return t[e-1].end}get end(){const t=this.segments,e=t.length;if(0===e)return null;for(let n=e-1;n>=0;n-=1){const e=t[n];if(e.isVisible)return e.end}return t[e-1].end}moveTo(...t){return this.appendSegment(Uy.create.call(null,...t))}lineTo(...t){return this.appendSegment($y.create.call(null,...t))}curveTo(...t){return this.appendSegment(Gy.create.call(null,...t))}arcTo(t,e,n,r,i,s,o){const a=this.end||new Oy,l="number"==typeof s?Iy(a.x,a.y,t,e,n,r,i,s,o):Iy(a.x,a.y,t,e,n,r,i,s.x,s.y);if(null!=l)for(let t=0,e=l.length;t<e;t+=6)this.curveTo(l[t],l[t+1],l[t+2],l[t+3],l[t+4],l[t+5]);return this}quadTo(t,n,r,i){const s=this.end||new Oy,o=["M",s.x,s.y];if("number"==typeof t)o.push("Q",t,n,r,i);else{const e=n;o.push("Q",t.x,t.y,e.x,e.y)}const a=e.parse(o.join(" "));return this.appendSegment(a.segments.slice(1)),this}close(){return this.appendSegment(Fy.create())}drawPoints(t,n={}){const r=By(t,n),i=e.parse(r);i&&i.segments&&this.appendSegment(i.segments)}bbox(){const t=this.segments,e=t.length;if(0===e)return null;let n;for(let r=0;r<e;r+=1){const e=t[r];if(e.isVisible){const t=e.bbox();null!=t&&(n=n?n.union(t):t)}}if(null!=n)return n;const r=t[e-1];return new Ty(r.end.x,r.end.y,0,0)}appendSegment(t){const e=this.segments.length;let n,r=0!==e?this.segments[e-1]:null;if(Array.isArray(t))for(let e=0,i=t.length;e<i;e+=1){const i=t[e];n=this.prepareSegment(i,r,null),this.segments.push(n),r=n}else null!=t&&t.isSegment&&(n=this.prepareSegment(t,r,null),this.segments.push(n));return this}insertSegment(t,e){const n=this.segments.length;if(t<0&&(t=n+t+1),t>n||t<0)throw new Error("Index out of range.");let r,i=null,s=null;if(0!==n&&(t>=1?(i=this.segments[t-1],s=i.nextSegment):(i=null,s=this.segments[0])),Array.isArray(e))for(let n=0,o=e.length;n<o;n+=1){const o=e[n];r=this.prepareSegment(o,i,s),this.segments.splice(t+n,0,r),i=r}else r=this.prepareSegment(e,i,s),this.segments.splice(t,0,r);return this}removeSegment(t){const e=this.fixIndex(t),n=this.segments.splice(e,1)[0],r=n.previousSegment,i=n.nextSegment;return r&&(r.nextSegment=i),i&&(i.previousSegment=r),n.isSubpathStart&&i&&this.updateSubpathStartSegment(i),n}replaceSegment(t,e){const n=this.fixIndex(t);let r;const i=this.segments[n];let s=i.previousSegment;const o=i.nextSegment;let a=i.isSubpathStart;if(Array.isArray(e)){this.segments.splice(t,1);for(let n=0,i=e.length;n<i;n+=1){const i=e[n];r=this.prepareSegment(i,s,o),this.segments.splice(t+n,0,r),s=r,a&&r.isSubpathStart&&(a=!1)}}else r=this.prepareSegment(e,s,o),this.segments.splice(n,1,r),a&&r.isSubpathStart&&(a=!1);a&&o&&this.updateSubpathStartSegment(o)}getSegment(t){const e=this.fixIndex(t);return this.segments[e]}fixIndex(t){const e=this.segments.length;if(0===e)throw new Error("Path has no segments.");let n=t;for(;n<0;)n=e+n;if(n>=e||n<0)throw new Error("Index out of range.");return n}segmentAt(t,e={}){const n=this.segmentIndexAt(t,e);return n?this.getSegment(n):null}segmentAtLength(t,e={}){const n=this.segmentIndexAtLength(t,e);return n?this.getSegment(n):null}segmentIndexAt(e,n={}){if(0===this.segments.length)return null;const r=t.GeometryUtil.clamp(e,0,1),i=this.getOptions(n),s=this.length(i)*r;return this.segmentIndexAtLength(s,i)}segmentIndexAtLength(t,e={}){const n=this.segments.length;if(0===n)return null;let r=!0;t<0&&(r=!1,t=-t);const i=this.getPrecision(e),s=this.getSubdivisions(e);let o=0,a=null;for(let e=0;e<n;e+=1){const l=r?e:n-1-e,c=this.segments[l],h=s[l],u=c.length({precision:i,subdivisions:h});if(c.isVisible){if(t<=o+u)return l;a=l}o+=u}return a}getSegmentSubdivisions(t={}){const e=this.getPrecision(t),n=[];for(let t=0,r=this.segments.length;t<r;t+=1){const r=this.segments[t].getSubdivisions({precision:e});n.push(r)}return n}updateSubpathStartSegment(t){let e=t.previousSegment,n=t;for(;n&&!n.isSubpathStart;)n.subpathStartSegment=null!=e?e.subpathStartSegment:null,e=n,n=n.nextSegment}prepareSegment(t,e,n){t.previousSegment=e,t.nextSegment=n,null!=e&&(e.nextSegment=t),null!=n&&(n.previousSegment=t);let r=t;return t.isSubpathStart&&(t.subpathStartSegment=t,r=n),null!=r&&this.updateSubpathStartSegment(r),t}closestPoint(t,e={}){const n=this.closestPointT(t,e);return n?this.pointAtT(n):null}closestPointLength(t,e={}){const n=this.getOptions(e),r=this.closestPointT(t,n);return r?this.lengthAtT(r,n):0}closestPointNormalizedLength(t,e={}){const n=this.getOptions(e),r=this.closestPointLength(t,n);if(0===r)return 0;const i=this.length(n);return 0===i?0:r/i}closestPointT(e,n={}){if(0===this.segments.length)return null;const r=this.getPrecision(n),i=this.getSubdivisions(n);let s,o=1/0;for(let n=0,a=this.segments.length;n<a;n+=1){const a=this.segments[n],l=i[n];if(a.isVisible){const i=a.closestPointT(e,{precision:r,subdivisions:l}),c=a.pointAtT(i),h=t.GeometryUtil.squaredLength(c,e);h<o&&(s={segmentIndex:n,value:i},o=h)}}return s||{segmentIndex:this.segments.length-1,value:1}}closestPointTangent(e,n={}){if(0===this.segments.length)return null;const r=this.getPrecision(n),i=this.getSubdivisions(n);let s,o=1/0;for(let n=0,a=this.segments.length;n<a;n+=1){const a=this.segments[n],l=i[n];if(a.isDifferentiable()){const n=a.closestPointT(e,{precision:r,subdivisions:l}),i=a.pointAtT(n),c=t.GeometryUtil.squaredLength(i,e);c<o&&(s=a.tangentAtT(n),o=c)}}return s||null}containsPoint(t,e={}){const n=this.toPolylines(e);if(!n)return!1;let r=0;for(let e=0,i=n.length;e<i;e+=1){n[e].containsPoint(t)&&(r+=1)}return r%2==1}pointAt(t,e={}){if(0===this.segments.length)return null;if(t<=0)return this.start.clone();if(t>=1)return this.end.clone();const n=this.getOptions(e),r=this.length(n)*t;return this.pointAtLength(r,n)}pointAtLength(t,e={}){if(0===this.segments.length)return null;if(0===t)return this.start.clone();let n=!0;t<0&&(n=!1,t=-t);const r=this.getPrecision(e),i=this.getSubdivisions(e);let s,o=0;for(let e=0,a=this.segments.length;e<a;e+=1){const l=n?e:a-1-e,c=this.segments[l],h=i[l],u=c.length({precision:r,subdivisions:h});if(c.isVisible){if(t<=o+u)return c.pointAtLength((n?1:-1)*(t-o),{precision:r,subdivisions:h});s=c}o+=u}if(s)return n?s.end:s.start;return this.segments[this.segments.length-1].end.clone()}pointAtT(e){const n=this.segments,r=n.length;if(0===r)return null;const i=e.segmentIndex;if(i<0)return n[0].pointAtT(0);if(i>=r)return n[r-1].pointAtT(1);const s=t.GeometryUtil.clamp(e.value,0,1);return n[i].pointAtT(s)}divideAt(e,n={}){if(0===this.segments.length)return null;const r=t.GeometryUtil.clamp(e,0,1),i=this.getOptions(n),s=this.length(i)*r;return this.divideAtLength(s,i)}divideAtLength(t,n={}){if(0===this.segments.length)return null;let r=!0;t<0&&(r=!1,t=-t);const i=this.getPrecision(n),s=this.getSubdivisions(n);let o,a,l,c,h,u=0;for(let e=0,n=this.segments.length;e<n;e+=1){const h=r?e:n-1-e,g=this.getSegment(h),d={precision:i,subdivisions:s[h]},f=g.length(d);if(g.isDifferentiable()&&(l=g,c=h,t<=u+f)){a=h,o=g.divideAtLength((r?1:-1)*(t-u),d);break}u+=f}if(!l)return null;o||(a=c,h=r?1:0,o=l.divideAtT(h));const g=this.clone(),d=a;g.replaceSegment(d,o);const f=d;let p=d+1,m=d+2;o[0].isDifferentiable()||(g.removeSegment(f),p-=1,m-=1);const y=g.getSegment(p).start;g.insertSegment(p,e.createSegment("M",y)),m+=1,o[1].isDifferentiable()||(g.removeSegment(m-1),m-=1);const v=m-f-1;for(let t=m,n=g.segments.length;t<n;t+=1){const n=this.getSegment(t-v),r=g.getSegment(t);if("Z"===r.type&&!n.subpathStartSegment.end.equals(r.subpathStartSegment.end)){const r=e.createSegment("L",n.end);g.replaceSegment(t,r)}}return[new e(g.segments.slice(0,p)),new e(g.segments.slice(p))]}intersectsWithLine(t,e={}){const n=this.toPolylines(e);if(null==n)return null;let r=null;for(let e=0,i=n.length;e<i;e+=1){const 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a,l,c,h,u=0;return s<o[1]||s>o[2]?(a=".3em",l=i,c=0,h="start"):s<o[0]?(a="0",l=0,c=-i,n?(u=-90,h="start"):h="middle"):s<o[3]?(a=".3em",l=-i,c=0,h="end"):(a=".6em",l=0,c=i,n?(u=90,h="start"):h="middle"),Hb({position:{x:Math.round(l),y:Math.round(c)},angle:u,attrs:{".":{y:a,"text-anchor":h}}},r)}function Xb(t,e,n,r){const i=null!=r.offset?r.offset:15,s=e.getCenter().theta(t),o=Yb(e);let a,l,c,h,u=0;return s<o[1]||s>o[2]?(a=".3em",l=-i,c=0,h="end"):s<o[0]?(a=".6em",l=0,c=i,n?(u=90,h="start"):h="middle"):s<o[3]?(a=".3em",l=i,c=0,h="start"):(a="0em",l=0,c=-i,n?(u=-90,h="start"):h="middle"),Hb({position:{x:Math.round(l),y:Math.round(c)},angle:u,attrs:{".":{y:a,"text-anchor":h}}},r)}function Yb(t){const e=t.getCenter(),n=e.theta(t.getTopLeft()),r=e.theta(t.getBottomLeft()),i=e.theta(t.getBottomRight());return[n,e.theta(t.getTopRight()),i,r]}function Zb(t,e,n){const r=null!=n.offset?n.offset:20,i=new Oy(0,0),s=-t.theta(i);let o,a=".3em",l=s;return(s+90)%180==0?(o=e?"end":"middle",e||-270!==s||(a="0em")):s>-270&&s<-90?(o="start",l=s-180):o="end",Hb({position:t.clone().move(i,r).diff(t).round().round().toJSON(),angle:e?l:0,attrs:{".":{y:a,"text-anchor":o}}},n)}var Kb,Qb,tx=Object.freeze({__proto__:null,bottom:(t,e,n)=>Hb({position:{x:0,y:15},attrs:{".":{y:".6em","text-anchor":"middle"}}},n),inside:(t,e,n)=>Xb(t,e,!1,n),insideOriented:(t,e,n)=>Xb(t,e,!0,n),left:(t,e,n)=>Hb({position:{x:-15,y:0},attrs:{".":{y:".3em","text-anchor":"end"}}},n),manual:(t,e,n)=>Hb({position:e.getTopLeft()},n),outside:(t,e,n)=>Jb(t,e,!1,n),outsideOriented:(t,e,n)=>Jb(t,e,!0,n),radial:(t,e,n)=>Zb(t.diff(e.getCenter()),!1,n),radialOriented:(t,e,n)=>Zb(t.diff(e.getCenter()),!0,n),right:(t,e,n)=>Hb({position:{x:15,y:0},attrs:{".":{y:".3em","text-anchor":"start"}}},n),top:(t,e,n)=>Hb({position:{x:0,y:-15},attrs:{".":{"text-anchor":"middle"}}},n)});!function(t){t.presets=tx,t.registry=Ky.create({type:"port label layout"}),t.registry.register(t.presets,!0)}(Kb||(Kb={}));class ex extends wf{get priority(){return 2}get disposeContainer(){return!0}constructor(){super(),this.cid=Qb.uniqueId(),ex.views[this.cid]=this}confirmUpdate(t,e){return 0}empty(t=this.container){return Tp(t),this}unmount(t=this.container){return Op(t),this}remove(t=this.container){return t===this.container?(this.removeEventListeners(document),this.onRemove(),delete ex.views[this.cid],this.disposeContainer&&this.unmount(t)):this.unmount(t),this}onRemove(){}setClass(t,e=this.container){e.classList.value=Array.isArray(t)?t.join(" "):t}addClass(t,e=this.container){return lp(e,Array.isArray(t)?t.join(" "):t),this}removeClass(t,e=this.container){return cp(e,Array.isArray(t)?t.join(" "):t),this}setStyle(t,e=this.container){return lm(e,t),this}setAttrs(t,e=this.container){return null!=t&&null!=e&&$p(e,t),this}findAttr(t,e=this.container){let n=e;for(;n&&1===n.nodeType;){const e=n.getAttribute(t);if(null!=e)return e;if(n===this.container)return null;n=n.parentNode}return null}find(t,e=this.container,n=this.selectors){return ex.find(t,e,n).elems}findOne(t,e=this.container,n=this.selectors){const r=this.find(t,e,n);return r.length>0?r[0]:null}findByAttr(t,e=this.container){let n=e;for(;n&&n.getAttribute;){const e=n.getAttribute(t);if((null!=e||n===this.container)&&"false"!==e)return n;n=n.parentNode}return null}getSelector(t,e){let n;if(t===this.container)return"string"==typeof e&&(n=`> ${e}`),n;if(t){const r=Cp(t)+1;n=`${t.tagName.toLowerCase()}:nth-child(${r})`,e&&(n+=` > ${e}`),n=this.getSelector(t.parentNode,n)}return n}prefixClassName(t){return kb.prefix(t)}delegateEvents(t,e){if(null==t)return this;e||this.undelegateEvents();const n=/^(\S+)\s*(.*)$/;return Object.keys(t).forEach((e=>{const r=e.match(n);if(null==r)return;const i=this.getEventHandler(t[e]);"function"==typeof i&&this.delegateEvent(r[1],r[2],i)})),this}undelegateEvents(){return ly.off(this.container,this.getEventNamespace()),this}delegateDocumentEvents(t,e){return this.addEventListeners(document,t,e),this}undelegateDocumentEvents(){return this.removeEventListeners(document),this}delegateEvent(t,e,n){return ly.on(this.container,t+this.getEventNamespace(),e,n),this}undelegateEvent(t,e,n){const r=t+this.getEventNamespace();return null==e?ly.off(this.container,r):"string"==typeof e?ly.off(this.container,r,e,n):ly.off(this.container,r,e),this}addEventListeners(t,e,n){if(null==e)return this;const r=this.getEventNamespace();return Object.keys(e).forEach((i=>{const s=this.getEventHandler(e[i]);"function"==typeof s&&ly.on(t,i+r,n,s)})),this}removeEventListeners(t){return null!=t&&ly.off(t,this.getEventNamespace()),this}getEventNamespace(){return`.${kb.prefixCls}-event-${this.cid}`}getEventHandler(t){let e;if("string"==typeof t){const n=this[t];"function"==typeof n&&(e=(...t)=>n.call(this,...t))}else e=(...e)=>t.call(this,...e);return e}getEventTarget(t,e={}){const{target:n,type:r,clientX:i=0,clientY:s=0}=t;return e.fromPoint||"touchmove"===r||"touchend"===r?document.elementFromPoint(i,s):n}stopPropagation(t){return this.setEventData(t,{propagationStopped:!0}),this}isPropagationStopped(t){return!0===this.getEventData(t).propagationStopped}getEventData(t){return this.eventData(t)}setEventData(t,e){return this.eventData(t,e)}eventData(t,e){if(null==t)throw new TypeError("Event object required");let n=t.data;const r=`__${this.cid}__`;return null==e?null==n?{}:n[r]||{}:(null==n&&(n=t.data={}),null==n[r]?n[r]=Object.assign({},e):n[r]=Object.assign(Object.assign({},n[r]),e),n[r])}normalizeEvent(t){return ex.normalizeEvent(t)}dispose(){this.remove()}}n([ex.dispose()],ex.prototype,"dispose",null),function(t){t.createElement=function(t,e){return e?bp(t||"g"):vp(t||"div")},t.find=function(t,e,n){if(!t||"."===t)return{elems:[e]};if(n){const e=n[t];if(e)return{elems:Array.isArray(e)?e:[e]}}if(kb.useCSSSelector){const n=t.includes(">")?`:scope ${t}`:t;return{isCSSSelector:!0,elems:Array.prototype.slice.call(e.querySelectorAll(n))}}return{elems:[]}},t.normalizeEvent=function(t){let e=t;const n=t.originalEvent,r=n&&n.changedTouches&&n.changedTouches[0];if(r){for(const e in t)void 0===r[e]&&(r[e]=t[e]);e=r}return e}}(ex||(ex={})),function(t){t.views={},t.getView=function(e){return t.views[e]||null}}(ex||(ex={})),function(t){let e=0;t.uniqueId=function(){const t=`v${e}`;return e+=1,t}}(Qb||(Qb={}));class nx{constructor(t){this.view=t,this.clean()}clean(){this.elemCache&&this.elemCache.dispose(),this.elemCache=new xy,this.pathCache={}}get(t){return this.elemCache.has(t)||this.elemCache.set(t,{}),this.elemCache.get(t)}getData(t){const e=this.get(t);return e.data||(e.data={}),e.data}getMatrix(t){const e=this.get(t);if(null==e.matrix){const n=this.view.container;e.matrix=ey(t,n)}return zm(e.matrix)}getShape(e){const n=this.get(e);return null==n.shape&&(n.shape=t.Util.toGeometryShape(e)),n.shape.clone()}getBoundingRect(e){const n=this.get(e);return null==n.boundingRect&&(n.boundingRect=t.Util.getBBoxV2(e)),n.boundingRect.clone()}}t.Markup=void 0,function(t){function e(t){return null!=t&&"string"==typeof t}function n(t,e={ns:pp.svg}){const n=document.createDocumentFragment(),r={},i={},s=[{markup:Array.isArray(t)?t:[t],parent:n,ns:e.ns}];for(;s.length>0;){const t=s.pop();let e=t.ns||pp.svg;const n=t.markup,o=t.parent;n.forEach((t=>{const n=t.tagName;if(!n)throw new TypeError("Invalid tagName");t.ns&&(e=t.ns);const a=e?vp(n,e):yp(n),l=t.attrs;l&&$p(a,Up(l));const c=t.style;c&&lm(a,c);const h=t.className;null!=h&&a.setAttribute("class",Array.isArray(h)?h.join(" "):h),t.textContent&&(a.textContent=t.textContent);const u=t.selector;if(null!=u){if(i[u])throw new TypeError("Selector must be unique");i[u]=a}if(t.groupSelector){let e=t.groupSelector;Array.isArray(e)||(e=[e]),e.forEach((t=>{r[t]||(r[t]=[]),r[t].push(a)}))}o.appendChild(a);const g=t.children;Array.isArray(g)&&s.push({ns:e,markup:g,parent:a})}))}return Object.keys(r).forEach((t=>{if(i[t])throw new Error("Ambiguous group selector");i[t]=r[t]})),{fragment:n,selectors:i,groups:r}}function r(t){return t instanceof SVGElement?bp("g"):yp("div")}t.isJSONMarkup=function(t){return null!=t&&!e(t)},t.isStringMarkup=e,t.clone=function(t){return null==t||e(t)?t:xo(t)},t.sanitize=function(t){return`${t}`.trim().replace(/[\r|\n]/g," ").replace(/>\s+</g,"><")},t.parseJSONMarkup=n,t.renderMarkup=function(t){if(e(t)){const e=fm.createVectors(t),n=e.length;if(1===n)return{elem:e[0].node};if(n>1){const t=r(e[0].node);return e.forEach((e=>{t.appendChild(e.node)})),{elem:t}}return{}}const i=n(t),s=i.fragment;let o=null;return s.childNodes.length>1?(o=r(s.firstChild),o.appendChild(s)):o=s.firstChild,{elem:o,selectors:i.selectors}},t.parseLabelStringMarkup=function(t){const e=fm.createVectors(t),n=document.createDocumentFragment();for(let t=0,r=e.length;t<r;t+=1){const r=e[t].node;n.appendChild(r)}return{fragment:n,selectors:{}}}}(t.Markup||(t.Markup={})),(t.Markup||(t.Markup={})).getSelector=function t(e,n,r){if(null!=e){let i;const s=e.tagName.toLowerCase();if(e===n)return i="string"==typeof r?`> ${s} > ${r}`:`> ${s}`,i;const o=e.parentNode;return i=o&&o.childNodes.length>1?`${s}:nth-child(${Cp(e)+1})`:s,r&&(i+=` > ${r}`),t(e.parentNode,n,i)}return r},function(t){t.getPortContainerMarkup=function(){return"g"},t.getPortMarkup=function(){return{tagName:"circle",selector:"circle",attrs:{r:10,fill:"#FFFFFF",stroke:"#000000"}}},t.getPortLabelMarkup=function(){return{tagName:"text",selector:"text",attrs:{fill:"#000000"}}}}(t.Markup||(t.Markup={})),function(t){t.getEdgeMarkup=function(){return[{tagName:"path",selector:"wrap",groupSelector:"lines",attrs:{fill:"none",cursor:"pointer",stroke:"transparent",strokeLinecap:"round"}},{tagName:"path",selector:"line",groupSelector:"lines",attrs:{fill:"none",pointerEvents:"none"}}]}}(t.Markup||(t.Markup={})),function(t){t.getForeignObjectMarkup=function(t=!1){return{tagName:"foreignObject",selector:"fo",children:[{ns:pp.xhtml,tagName:"body",selector:"foBody",attrs:{xmlns:pp.xhtml},style:{width:"100%",height:"100%",background:"transparent"},children:t?[]:[{tagName:"div",selector:"foContent",style:{width:"100%",height:"100%"}}]}]}}}(t.Markup||(t.Markup={}));class rx{constructor(t){this.view=t}get cell(){return this.view.cell}getDefinition(t){return this.cell.getAttrDefinition(t)}processAttrs(t,e){let n,r,i,s;const o=[];return Object.keys(e).forEach((r=>{const i=e[r],s=this.getDefinition(r),a=ef(Ob.isValidDefinition,this.view,s,i,{elem:t,attrs:e,cell:this.cell,view:this.view});if(s&&a)"string"==typeof s?(null==n&&(n={}),n[s]=i):null!==i&&o.push({name:r,definition:s});else{null==n&&(n={});const t=Ip.includes(r)?r:Pf(r);n[t]=i}})),o.forEach((({name:t,definition:n})=>{const o=e[t];"function"==typeof n.set&&(null==r&&(r={}),r[t]=o);"function"==typeof n.offset&&(null==i&&(i={}),i[t]=o);"function"==typeof n.position&&(null==s&&(s={}),s[t]=o)})),{raw:e,normal:n,set:r,offset:i,position:s}}mergeProcessedAttrs(t,e){t.set=Object.assign(Object.assign({},t.set),e.set),t.position=Object.assign(Object.assign({},t.position),e.position),t.offset=Object.assign(Object.assign({},t.offset),e.offset);const n=t.normal&&t.normal.transform;null!=n&&e.normal&&(e.normal.transform=n),t.normal=e.normal}findAttrs(t,e,n,r){const i=[],s=new xy;return Object.keys(t).forEach((o=>{const a=t[o];if(!Tr(a))return;const{isCSSSelector:l,elems:c}=ex.find(o,e,r);n[o]=c;for(let t=0,e=c.length;t<e;t+=1){const n=c[t],h=r&&r[o]===n,u=s.get(n);if(u){u.array||(i.push(n),u.array=!0,u.attrs=[u.attrs],u.priority=[u.priority]);const t=u.attrs,r=u.priority;if(h)t.unshift(a),r.unshift(-1);else{const n=yg(r,l?-1:e);t.splice(n,0,a),r.splice(n,0,e)}}else s.set(n,{elem:n,attrs:a,priority:h?-1:e,array:!1})}})),i.forEach((t=>{const e=s.get(t),n=e.attrs;e.attrs=n.reduceRight(((t,e)=>Sh(t,e)),{})})),s}updateRelativeAttrs(e,n,r){const i=n.raw||{};let s=n.normal||{};const o=n.set,a=n.position,l=n.offset,c=()=>({elem:e,cell:this.cell,view:this.view,attrs:i,refBBox:r.clone()});if(null!=o&&Object.keys(o).forEach((t=>{const e=o[t],n=this.getDefinition(t);if(null!=n){const r=ef(n.set,this.view,e,c());"object"==typeof r?s=Object.assign(Object.assign({},s),r):null!=r&&(s[t]=r)}})),e instanceof HTMLElement)return void this.view.setAttrs(s,e);const h=s.transform,u=Fm(h?`${h}`:null),g=new Oy(u.e,u.f);h&&(delete s.transform,u.e=0,u.f=0);let d=!1;null!=a&&Object.keys(a).forEach((t=>{const e=a[t],n=this.getDefinition(t);if(null!=n){const t=ef(n.position,this.view,e,c());null!=t&&(d=!0,g.translate(Oy.create(t)))}})),this.view.setAttrs(s,e);let f=!1;if(null!=l){const n=this.view.getBoundingRectOfElement(e);if(n.width>0&&n.height>0){const r=t.Util.transformRectangle(n,u);Object.keys(l).forEach((t=>{const n=l[t],s=this.getDefinition(t);if(null!=s){const t=ef(s.offset,this.view,n,{elem:e,cell:this.cell,view:this.view,attrs:i,refBBox:r});null!=t&&(f=!0,g.translate(Oy.create(t)))}}))}}(null!=h||d||f)&&(g.round(1),u.e=g.x,u.f=g.y,e.setAttribute("transform",Um(u)))}update(e,n,r){const i={},s=this.findAttrs(r.attrs||n,e,i,r.selectors),o=r.attrs?this.findAttrs(n,e,i,r.selectors):s,a=[];s.each((t=>{const n=t.elem,s=t.attrs,l=this.processAttrs(n,s);if(null==l.set&&null==l.position&&null==l.offset)this.view.setAttrs(l.normal,n);else{const t=o.get(n),c=t?t.attrs:null,h=c&&null==s.ref?c.ref:s.ref;let u;if(h){if(u=(i[h]||this.view.find(h,e,r.selectors))[0],!u)throw new Error(`"${h}" reference does not exist.`)}else u=null;const g={node:n,refNode:u,attributes:c,processedAttributes:l},d=a.findIndex((t=>t.refNode===n));d>-1?a.splice(d,0,g):a.push(g)}}));const l=new xy;let c;a.forEach((n=>{const i=n.node,s=n.refNode;let o;const a=null!=s&&null!=r.rotatableNode&&Sp(r.rotatableNode,s);if(s&&(o=l.get(s)),!o){const n=a?r.rotatableNode:e;o=s?t.Util.getBBox(s,{target:n}):r.rootBBox,s&&l.set(s,o)}let h;r.attrs&&n.attributes?(h=this.processAttrs(i,n.attributes),this.mergeProcessedAttrs(h,n.processedAttributes)):h=n.processedAttributes;let u=o;a&&null!=r.rotatableNode&&!r.rotatableNode.contains(i)&&(c||(c=Fm($p(r.rotatableNode,"transform"))),u=t.Util.transformRectangle(o,c)),this.updateRelativeAttrs(i,h,u)}))}}class ix{get cell(){return this.view.cell}constructor(t,e,n=[]){this.view=t;const r={},i={};let s=0;Object.keys(e).forEach((t=>{let n=e[t];Array.isArray(n)||(n=[n]),n.forEach((e=>{let n=r[e];n||(s+=1,n=r[e]=1<<s),i[t]|=n}))}));let o=n;if(Array.isArray(o)||(o=[o]),o.forEach((t=>{r[t]||(s+=1,r[t]=1<<s)})),s>25)throw new Error("Maximum number of flags exceeded.");this.flags=r,this.attrs=i,this.bootstrap=n}getFlag(t){const e=this.flags;return null==e?0:Array.isArray(t)?t.reduce(((t,n)=>t|e[n]),0):0|e[t]}hasAction(t,e){return t&this.getFlag(e)}removeAction(t,e){return t^t&this.getFlag(e)}getBootstrapFlag(){return this.getFlag(this.bootstrap)}getChangedFlag(){let t=0;return this.attrs?(Object.keys(this.attrs).forEach((e=>{this.cell.hasChanged(e)&&(t|=this.attrs[e])})),t):t}}class sx extends ex{static getDefaults(){return this.defaults}static config(t){this.defaults=this.getOptions(t)}static getOptions(t){const n=(t,e)=>null!=e?ud([...Array.isArray(t)?t:[t],...Array.isArray(e)?e:[e]]):Array.isArray(t)?[...t]:[t],r=xo(this.getDefaults()),{bootstrap:i,actions:s,events:o,documentEvents:a}=t,l=e(t,["bootstrap","actions","events","documentEvents"]);return i&&(r.bootstrap=n(r.bootstrap,i)),s&&Object.entries(s).forEach((([t,e])=>{const i=r.actions[t];e&&i?r.actions[t]=n(i,e):e&&(r.actions[t]=n(e))})),o&&(r.events=Object.assign(Object.assign({},r.events),o)),t.documentEvents&&(r.documentEvents=Object.assign(Object.assign({},r.documentEvents),a)),Sh(r,l)}get[Symbol.toStringTag](){return sx.toStringTag}constructor(t,e={}){super(),this.cell=t,this.options=this.ensureOptions(e),this.graph=this.options.graph,this.attr=new rx(this),this.flag=new ix(this,this.options.actions,this.options.bootstrap),this.cache=new nx(this),this.setContainer(this.ensureContainer()),this.setup(),this.init()}init(){}onRemove(){this.removeTools()}get priority(){return this.options.priority}get rootSelector(){return this.options.rootSelector}getConstructor(){return this.constructor}ensureOptions(t){return this.getConstructor().getOptions(t)}getContainerTagName(){return this.options.isSvgElement?"g":"div"}getContainerStyle(){}getContainerAttrs(){return{"data-cell-id":this.cell.id,"data-shape":this.cell.shape}}getContainerClassName(){return this.prefixClassName("cell")}ensureContainer(){return ex.createElement(this.getContainerTagName(),this.options.isSvgElement)}setContainer(t){if(this.container!==t){this.undelegateEvents(),this.container=t,null!=this.options.events&&this.delegateEvents(this.options.events);const e=this.getContainerAttrs();null!=e&&this.setAttrs(e,t);const n=this.getContainerStyle();null!=n&&this.setStyle(n,t);const r=this.getContainerClassName();null!=r&&this.addClass(r,t)}return this}isNodeView(){return!1}isEdgeView(){return!1}render(){return this}confirmUpdate(t,e={}){return 0}getBootstrapFlag(){return this.flag.getBootstrapFlag()}getFlag(t){return this.flag.getFlag(t)}hasAction(t,e){return this.flag.hasAction(t,e)}removeAction(t,e){return this.flag.removeAction(t,e)}handleAction(t,e,n,r){if(this.hasAction(t,e)){n();const i=[e];return r&&("string"==typeof r?i.push(r):i.push(...r)),this.removeAction(t,i)}return t}setup(){this.cell.on("changed",this.onCellChanged,this)}onCellChanged({options:t}){this.onAttrsChange(t)}onAttrsChange(t){let e=this.flag.getChangedFlag();!t.updated&&e&&(t.dirty&&this.hasAction(e,"update")&&(e|=this.getFlag("render")),t.toolId&&(t.async=!1),null!=this.graph&&this.graph.renderer.requestViewUpdate(this,e,t))}parseJSONMarkup(e,n){const r=t.Markup.parseJSONMarkup(e),i=r.selectors,s=this.rootSelector;if(n&&s){if(i[s])throw new Error("Invalid root selector");i[s]=n}return r}can(t){let e=this.graph.options.interacting;if("function"==typeof e&&(e=ef(e,this.graph,this)),"object"==typeof e){let n=e[t];return"function"==typeof n&&(n=ef(n,this.graph,this)),!1!==n}return"boolean"==typeof e&&e}cleanCache(){return this.cache.clean(),this}getCache(t){return this.cache.get(t)}getDataOfElement(t){return this.cache.getData(t)}getMatrixOfElement(t){return this.cache.getMatrix(t)}getShapeOfElement(t){return this.cache.getShape(t)}getBoundingRectOfElement(t){return this.cache.getBoundingRect(t)}getBBoxOfElement(e){const n=this.getBoundingRectOfElement(e),r=this.getMatrixOfElement(e),i=this.getRootRotatedMatrix(),s=this.getRootTranslatedMatrix();return t.Util.transformRectangle(n,s.multiply(i).multiply(r))}getUnrotatedBBoxOfElement(e){const n=this.getBoundingRectOfElement(e),r=this.getMatrixOfElement(e),i=this.getRootTranslatedMatrix();return t.Util.transformRectangle(n,i.multiply(r))}getBBox(t={}){let e;if(t.useCellGeometry){const t=this.cell,n=t.isNode()?t.getAngle():0;e=t.getBBox().bbox(n)}else e=this.getBBoxOfElement(this.container);return this.graph.coord.localToGraphRect(e)}getRootTranslatedMatrix(){const t=this.cell,e=t.isNode()?t.getPosition():{x:0,y:0};return zm().translate(e.x,e.y)}getRootRotatedMatrix(){let t=zm();const e=this.cell,n=e.isNode()?e.getAngle():0;if(n){const r=e.getBBox(),i=r.width/2,s=r.height/2;t=t.translate(i,s).rotate(n).translate(-i,-s)}return t}findMagnet(t=this.container){return this.findByAttr("magnet",t)}updateAttrs(t,e,n={}){null==n.rootBBox&&(n.rootBBox=new Ty),null==n.selectors&&(n.selectors=this.selectors),this.attr.update(t,e,n)}isEdgeElement(t){return this.cell.isEdge()&&(null==t||t===this.container)}prepareHighlight(t,e={}){const n=t||this.container;return e.partial=n===this.container,n}highlight(t,e={}){const n=this.prepareHighlight(t,e);return this.notify("cell:highlight",{magnet:n,options:e,view:this,cell:this.cell}),this.isEdgeView()?this.notify("edge:highlight",{magnet:n,options:e,view:this,edge:this.cell,cell:this.cell}):this.isNodeView()&&this.notify("node:highlight",{magnet:n,options:e,view:this,node:this.cell,cell:this.cell}),this}unhighlight(t,e={}){const n=this.prepareHighlight(t,e);return this.notify("cell:unhighlight",{magnet:n,options:e,view:this,cell:this.cell}),this.isNodeView()?this.notify("node:unhighlight",{magnet:n,options:e,view:this,node:this.cell,cell:this.cell}):this.isEdgeView()&&this.notify("edge:unhighlight",{magnet:n,options:e,view:this,edge:this.cell,cell:this.cell}),this}notifyUnhighlight(t,e){}getEdgeTerminal(t,e,n,r,i){const s=this.cell,o=this.findAttr("port",t),a=t.getAttribute("data-selector"),l={cell:s.id};return null!=a&&(l.magnet=a),null!=o?(l.port=o,s.isNode()&&(s.hasPort(o)||null!=a||(l.selector=this.getSelector(t)))):null==a&&this.container!==t&&(l.selector=this.getSelector(t)),l}getMagnetFromEdgeTerminal(t){const e=this.cell,n=this.container,r=t.port;let i,s=t.magnet;return null!=r&&e.isNode()&&e.hasPort(r)?i=this.findPortElem(r,s)||n:(s||(s=t.selector),s||null==r||(s=`[port="${r}"]`),i=this.findOne(s,n,this.selectors)),i}hasTools(t){const e=this.tools;return null!=e&&(null==t||e.name===t)}addTools(t){if(this.removeTools(),t){if(!this.can("toolsAddable"))return this;const e=ox.isToolsView(t)?t:new ox(t);this.tools=e,e.config({view:this}),e.mount()}return this}updateTools(t={}){return this.tools&&this.tools.update(t),this}removeTools(){return this.tools&&(this.tools.remove(),this.tools=null),this}hideTools(){return this.tools&&this.tools.hide(),this}showTools(){return this.tools&&this.tools.show(),this}renderTools(){const t=this.cell.getTools();return this.addTools(t),this}notify(t,e){return this.trigger(t,e),this.graph.trigger(t,e),this}getEventArgs(t,e,n){const r=this,i=r.cell;return null==e||null==n?{e:t,view:r,cell:i}:{e:t,x:e,y:n,view:r,cell:i}}onClick(t,e,n){this.notify("cell:click",this.getEventArgs(t,e,n))}onDblClick(t,e,n){this.notify("cell:dblclick",this.getEventArgs(t,e,n))}onContextMenu(t,e,n){this.notify("cell:contextmenu",this.getEventArgs(t,e,n))}onMouseDown(t,e,n){this.cell.model&&(this.cachedModelForMouseEvent=this.cell.model,this.cachedModelForMouseEvent.startBatch("mouse")),this.notify("cell:mousedown",this.getEventArgs(t,e,n))}onMouseUp(t,e,n){this.notify("cell:mouseup",this.getEventArgs(t,e,n)),this.cachedModelForMouseEvent&&(this.cachedModelForMouseEvent.stopBatch("mouse",{cell:this.cell}),this.cachedModelForMouseEvent=null)}onMouseMove(t,e,n){this.notify("cell:mousemove",this.getEventArgs(t,e,n))}onMouseOver(t){this.notify("cell:mouseover",this.getEventArgs(t))}onMouseOut(t){this.notify("cell:mouseout",this.getEventArgs(t))}onMouseEnter(t){this.notify("cell:mouseenter",this.getEventArgs(t))}onMouseLeave(t){this.notify("cell:mouseleave",this.getEventArgs(t))}onMouseWheel(t,e,n,r){this.notify("cell:mousewheel",Object.assign({delta:r},this.getEventArgs(t,e,n)))}onCustomEvent(t,e,n,r){this.notify("cell:customevent",Object.assign({name:e},this.getEventArgs(t,n,r))),this.notify(e,Object.assign({},this.getEventArgs(t,n,r)))}onMagnetMouseDown(t,e,n,r){}onMagnetDblClick(t,e,n,r){}onMagnetContextMenu(t,e,n,r){}onLabelMouseDown(t,e,n){}checkMouseleave(t){const e=this.getEventTarget(t,{fromPoint:!0}),n=this.graph.findViewByElem(e);n!==this&&(this.onMouseLeave(t),n&&n.onMouseEnter(t))}dispose(){this.cell.off("changed",this.onCellChanged,this)}}sx.defaults={isSvgElement:!0,rootSelector:"root",priority:0,bootstrap:[],actions:{}},n([sx.dispose()],sx.prototype,"dispose",null),function(t){t.Flag=ix,t.Attr=rx}(sx||(sx={})),function(t){t.toStringTag=`X6.${t.name}`,t.isCellView=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNodeView&&"function"==typeof r.isEdgeView&&"function"==typeof r.confirmUpdate}}(sx||(sx={})),function(t){t.priority=function(t){return function(e){e.config({priority:t})}},t.bootstrap=function(t){return function(e){e.config({bootstrap:t})}}}(sx||(sx={})),function(t){t.registry=Ky.create({type:"view"})}(sx||(sx={}));class ox extends ex{get name(){return this.options.name}get graph(){return this.cellView.graph}get cell(){return this.cellView.cell}get[Symbol.toStringTag](){return ox.toStringTag}constructor(t={}){super(),this.svgContainer=this.createContainer(!0,t),this.htmlContainer=this.createContainer(!1,t),this.config(t)}createContainer(t,e){const n=t?ex.createElement("g",!0):ex.createElement("div",!1);return lp(n,this.prefixClassName("cell-tools")),e.className&&lp(n,e.className),n}config(t){if(this.options=Object.assign(Object.assign({},this.options),t),!sx.isCellView(t.view)||t.view===this.cellView)return this;this.cellView=t.view,this.cell.isEdge()?(lp(this.svgContainer,this.prefixClassName("edge-tools")),lp(this.htmlContainer,this.prefixClassName("edge-tools"))):this.cell.isNode()&&(lp(this.svgContainer,this.prefixClassName("node-tools")),lp(this.htmlContainer,this.prefixClassName("node-tools"))),this.svgContainer.setAttribute("data-cell-id",this.cell.id),this.htmlContainer.setAttribute("data-cell-id",this.cell.id),this.name&&(this.svgContainer.setAttribute("data-tools-name",this.name),this.htmlContainer.setAttribute("data-tools-name",this.name));const e=this.options.items;if(!Array.isArray(e))return this;this.tools=[];const n=[];e.forEach((t=>{if(ox.ToolItem.isToolItem(t))"vertices"===t.name?n.unshift(t):n.push(t);else{"vertices"===("object"==typeof t?t.name:t)?n.unshift(t):n.push(t)}}));for(let t=0;t<n.length;t+=1){const e=n[t];let r;if(ox.ToolItem.isToolItem(e))r=e;else{const t="object"==typeof e?e.name:e,n="object"==typeof e&&e.args||{};if(t)if(this.cell.isNode()){const e=Ex.registry.get(t);if(!e)return Ex.registry.onNotFound(t);r=new e(n)}else if(this.cell.isEdge()){const e=Sx.registry.get(t);if(!e)return Sx.registry.onNotFound(t);r=new e(n)}}if(r){r.config(this.cellView,this),r.render();(!1!==r.options.isSVGElement?this.svgContainer:this.htmlContainer).appendChild(r.container),this.tools.push(r)}}return this}update(t={}){const e=this.tools;return e&&e.forEach((e=>{t.toolId!==e.cid&&e.isVisible()&&e.update()})),this}focus(t){const e=this.tools;return e&&e.forEach((e=>{t===e?e.show():e.hide()})),this}blur(t){const e=this.tools;return e&&e.forEach((e=>{e===t||e.isVisible()||(e.show(),e.update())})),this}hide(){return this.focus(null)}show(){return this.blur(null)}remove(){const t=this.tools;return t&&(t.forEach((t=>t.remove())),this.tools=null),Op(this.svgContainer),Op(this.htmlContainer),super.remove()}mount(){const t=this.tools,e=this.cellView;if(e&&t){const n=t.some((t=>!1!==t.options.isSVGElement)),r=t.some((t=>!1===t.options.isSVGElement));if(n){(this.options.local?e.container:e.graph.view.decorator).appendChild(this.svgContainer)}r&&this.graph.container.appendChild(this.htmlContainer)}return this}}!function(t){t.toStringTag=`X6.${t.name}`,t.isToolsView=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&null!=r.graph&&null!=r.cell&&"function"==typeof r.config&&"function"==typeof r.update&&"function"==typeof r.focus&&"function"==typeof r.blur&&"function"==typeof r.show&&"function"==typeof r.hide}}(ox||(ox={})),function(e){class n extends ex{static getDefaults(){return this.defaults}static config(t){this.defaults=this.getOptions(t)}static getOptions(t){return Sh(xo(this.getDefaults()),t)}get graph(){return this.cellView.graph}get cell(){return this.cellView.cell}get name(){return this.options.name}get[Symbol.toStringTag](){return n.toStringTag}constructor(t={}){super(),this.visible=!0,this.options=this.getOptions(t),this.container=ex.createElement(this.options.tagName||"g",!1!==this.options.isSVGElement),lp(this.container,this.prefixClassName("cell-tool")),"string"==typeof this.options.className&&lp(this.container,this.options.className),this.init()}init(){}getOptions(t){return this.constructor.getOptions(t)}delegateEvents(){return this.options.events&&super.delegateEvents(this.options.events),this}config(t,e){return this.cellView=t,this.parent=e,this.stamp(this.container),this.cell.isEdge()?lp(this.container,this.prefixClassName("edge-tool")):this.cell.isNode()&&lp(this.container,this.prefixClassName("node-tool")),this.name&&this.container.setAttribute("data-tool-name",this.name),this.delegateEvents(),this}render(){this.empty();const e=this.options.markup;if(e){const n=t.Markup.parseJSONMarkup(e);this.container.appendChild(n.fragment),this.childNodes=n.selectors}return this.onRender(),this}onRender(){}update(){return this}stamp(t){t&&t.setAttribute("data-cell-id",this.cellView.cell.id)}show(){return this.container.style.display="",this.visible=!0,this}hide(){return this.container.style.display="none",this.visible=!1,this}isVisible(){return this.visible}focus(){const t=this.options.focusOpacity;return null!=t&&Number.isFinite(t)&&(this.container.style.opacity=`${t}`),this.parent.focus(this),this}blur(){return this.container.style.opacity="",this.parent.blur(this),this}guard(t){return null==this.graph||null==this.cellView||this.graph.view.guard(t,this.cellView)}}n.defaults={isSVGElement:!0,tagName:"g"},e.ToolItem=n,function(t){let e=0;t.define=function(t){const n=df((r=t.name)?Mf(r):(e+=1,`CustomTool${e}`),this);var r;return n.config(t),n}}(n=e.ToolItem||(e.ToolItem={})),function(t){t.toStringTag=`X6.${t.name}`,t.isToolItem=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&null!=r.graph&&null!=r.cell&&"function"==typeof r.config&&"function"==typeof r.update&&"function"==typeof r.focus&&"function"==typeof r.blur&&"function"==typeof r.show&&"function"==typeof r.hide&&"function"==typeof r.isVisible}}(n=e.ToolItem||(e.ToolItem={}))}(ox||(ox={}));function ax(t,e){return 0===e?"0%":`${Math.round(t/e*100)}%`}function lx(t){return(e,n,r,i)=>n.isEdgeElement(r)?function(t,e,n,r,i){const s=n.getConnection();if(!s)return e;const o=s.closestPointLength(i);if(t){const t=s.length();e.anchor={name:"ratio",args:{ratio:o/t}}}else e.anchor={name:"length",args:{length:o}};return e}(t,e,n,0,i):function(t,e,n,r,i){const s=n.cell,o=s.getAngle(),a=n.getUnrotatedBBoxOfElement(r),l=s.getBBox().getCenter(),c=Oy.create(i).rotate(o,l);let h=c.x-a.x,u=c.y-a.y;t&&(h=ax(h,a.width),u=ax(u,a.height));return e.anchor={name:"topLeft",args:{dx:h,dy:u,rotate:!0}},e}(t,e,n,r,i)}const cx=lx(!0),hx=lx(!1);var ux,gx=Object.freeze({__proto__:null,noop:t=>t,pinAbsolute:hx,pinRelative:cx});function dx(t,e,n,r){return ef(ux.presets.pinRelative,this.graph,{},e,n,t,this.cell,r,{}).anchor}function fx(t,e){return e?t.cell.getBBox():t.cell.isEdge()?t.getConnection().bbox():t.getUnrotatedBBoxOfElement(t.container)}!function(t){t.presets=gx,t.registry=Ky.create({type:"connection strategy"}),t.registry.register(t.presets,!0)}(ux||(ux={}));class px extends ox.ToolItem{onRender(){lp(this.container,this.prefixClassName("cell-tool-button")),this.update()}update(){return this.updatePosition(),this}updatePosition(){const t=this.cellView.cell.isEdge()?this.getEdgeMatrix():this.getNodeMatrix();Ym(this.container,t,{absolute:!0})}getNodeMatrix(){const t=this.cellView,e=this.options;let{x:n=0,y:r=0}=e;const{offset:i,useCellGeometry:s,rotate:o}=e;let a=fx(t,s);const l=t.cell.getAngle();o||(a=a.bbox(l));let c=0,h=0;"number"==typeof i?(c=i,h=i):"object"==typeof i&&(c=i.x,h=i.y),n=Df(n,a.width),r=Df(r,a.height);let u=zm().translate(a.x+a.width/2,a.y+a.height/2);return o&&(u=u.rotate(l)),u=u.translate(n+c-a.width/2,r+h-a.height/2),u}getEdgeMatrix(){const t=this.cellView,e=this.options,{offset:n=0,distance:r=0,rotate:i}=e;let s,o,a;const l=Df(r,1);s=l>=0&&l<=1?t.getTangentAtRatio(l):t.getTangentAtLength(l),s?(o=s.start,a=s.vector().vectorAngle(new Oy(1,0))||0):(o=t.getConnection().start,a=0);let c=zm().translate(o.x,o.y).rotate(a);return c="object"==typeof n?c.translate(n.x||0,n.y||0):c.translate(0,n),i||(c=c.rotate(-a)),c}onMouseDown(t){if(this.guard(t))return;t.stopPropagation(),t.preventDefault();const e=this.options.onClick;"function"==typeof e&&ef(e,this.cellView,{e:t,view:this.cellView,cell:this.cellView.cell,btn:this})}}!function(t){t.config({name:"button",useCellGeometry:!0,events:{mousedown:"onMouseDown",touchstart:"onMouseDown"}})}(px||(px={})),function(t){t.Remove=t.define({name:"button-remove",markup:[{tagName:"circle",selector:"button",attrs:{r:7,fill:"#FF1D00",cursor:"pointer"}},{tagName:"path",selector:"icon",attrs:{d:"M -3 -3 3 3 M -3 3 3 -3",fill:"none",stroke:"#FFFFFF","stroke-width":2,"pointer-events":"none"}}],distance:60,offset:0,useCellGeometry:!0,onClick({view:t,btn:e}){e.parent.remove(),t.cell.remove({ui:!0,toolId:e.cid})}})}(px||(px={}));class mx extends ox.ToolItem{onRender(){if(lp(this.container,this.prefixClassName("cell-tool-boundary")),this.options.attrs){const t=this.options.attrs,{class:n}=t,r=e(t,["class"]);$p(this.container,Up(r)),n&&lp(this.container,n)}this.update()}update(){const t=this.cellView,e=this.options,{useCellGeometry:n,rotate:r}=e,i=Rf(e.padding);let s=fx(t,n).moveAndExpand({x:-i.left,y:-i.top,width:i.left+i.right,height:i.top+i.bottom});const o=t.cell;if(o.isNode()){const t=o.getAngle();if(t)if(r){const e=o.getBBox().getCenter();Km(this.container,t,e.x,e.y,{absolute:!0})}else s=s.bbox(t)}return $p(this.container,s.toJSON()),this}}!function(t){t.config({name:"boundary",tagName:"rect",padding:10,useCellGeometry:!0,attrs:{fill:"none",stroke:"#333","stroke-width":.5,"stroke-dasharray":"5, 5","pointer-events":"none"}})}(mx||(mx={}));class yx extends ox.ToolItem{constructor(){super(...arguments),this.handles=[]}get vertices(){return this.cellView.cell.getVertices()}onRender(){return this.addClass(this.prefixClassName("edge-tool-vertices")),this.options.addable&&this.updatePath(),this.resetHandles(),this.renderHandles(),this}update(){return this.vertices.length===this.handles.length?this.updateHandles():(this.resetHandles(),this.renderHandles()),this.options.addable&&this.updatePath(),this}resetHandles(){const t=this.handles;this.handles=[],t&&t.forEach((t=>{this.stopHandleListening(t),t.remove()}))}renderHandles(){const t=this.vertices;for(let e=0,n=t.length;e<n;e+=1){const n=t[e],r=this.options.createHandle,i=this.options.processHandle,s=r({index:e,graph:this.graph,guard:t=>this.guard(t),attrs:this.options.attrs||{}});i&&i(s),s.updatePosition(n.x,n.y),this.stamp(s.container),this.container.appendChild(s.container),this.handles.push(s),this.startHandleListening(s)}}updateHandles(){const t=this.vertices;for(let e=0,n=t.length;e<n;e+=1){const n=t[e],r=this.handles[e];r&&r.updatePosition(n.x,n.y)}}updatePath(){const t=this.childNodes.connection;t&&t.setAttribute("d",this.cellView.getConnectionPathData())}startHandleListening(t){const e=this.cellView;e.can("vertexMovable")&&(t.on("change",this.onHandleChange,this),t.on("changing",this.onHandleChanging,this),t.on("changed",this.onHandleChanged,this)),e.can("vertexDeletable")&&t.on("remove",this.onHandleRemove,this)}stopHandleListening(t){const e=this.cellView;e.can("vertexMovable")&&(t.off("change",this.onHandleChange,this),t.off("changing",this.onHandleChanging,this),t.off("changed",this.onHandleChanged,this)),e.can("vertexDeletable")&&t.off("remove",this.onHandleRemove,this)}getNeighborPoints(t){const e=this.cellView,n=this.vertices,r=t>0?n[t-1]:e.sourceAnchor,i=t<n.length-1?n[t+1]:e.targetAnchor;return{prev:Oy.create(r),next:Oy.create(i)}}getMouseEventArgs(t){const e=this.normalizeEvent(t),{x:n,y:r}=this.graph.snapToGrid(e.clientX,e.clientY);return{e:e,x:n,y:r}}onHandleChange({e:t}){this.focus();const e=this.cellView;if(e.cell.startBatch("move-vertex",{ui:!0,toolId:this.cid}),!this.options.stopPropagation){const{e:n,x:r,y:i}=this.getMouseEventArgs(t);this.eventData(n,{start:{x:r,y:i}}),e.notifyMouseDown(n,r,i)}}onHandleChanging({handle:t,e:e}){const n=this.cellView,r=t.options.index,{e:i,x:s,y:o}=this.getMouseEventArgs(e),a={x:s,y:o};this.snapVertex(a,r),n.cell.setVertexAt(r,a,{ui:!0,toolId:this.cid}),t.updatePosition(a.x,a.y),this.options.stopPropagation||n.notifyMouseMove(i,s,o)}stopBatch(t){this.cell.stopBatch("move-vertex",{ui:!0,toolId:this.cid}),t&&this.cell.stopBatch("add-vertex",{ui:!0,toolId:this.cid})}onHandleChanged({e:t}){const e=this.options,n=this.cellView;if(e.addable&&this.updatePath(),!e.removeRedundancies)return void this.stopBatch(this.eventData(t).vertexAdded);n.removeRedundantLinearVertices({ui:!0,toolId:this.cid})&&this.render(),this.blur(),this.stopBatch(this.eventData(t).vertexAdded);const{e:r,x:i,y:s}=this.getMouseEventArgs(t);if(!this.options.stopPropagation){n.notifyMouseUp(r,i,s);const{start:t}=this.eventData(r);if(t){const{x:e,y:o}=t;e===i&&o===s&&n.onClick(r,i,s)}}n.checkMouseleave(r),e.onChanged&&e.onChanged({edge:n.cell,edgeView:n})}snapVertex(t,e){const n=this.options.snapRadius||0;if(n>0){const r=this.getNeighborPoints(e),i=r.prev,s=r.next;Math.abs(t.x-i.x)<n?t.x=i.x:Math.abs(t.x-s.x)<n&&(t.x=s.x),Math.abs(t.y-i.y)<n?t.y=r.prev.y:Math.abs(t.y-s.y)<n&&(t.y=s.y)}}onHandleRemove({handle:t,e:e}){if(this.options.removable){const n=t.options.index,r=this.cellView;r.cell.removeVertexAt(n,{ui:!0}),this.options.addable&&this.updatePath(),r.checkMouseleave(this.normalizeEvent(e))}}allowAddVertex(e){const n=this.guard(e),r=this.options.addable&&this.cellView.can("vertexAddable"),i=!this.options.modifiers||t.ModifierKey.isMatch(e,this.options.modifiers);return!n&&r&&i}onPathMouseDown(t){const e=this.cellView;if(!this.allowAddVertex(t))return;t.stopPropagation(),t.preventDefault();const n=this.normalizeEvent(t),r=this.graph.snapToGrid(n.clientX,n.clientY).toJSON();e.cell.startBatch("add-vertex",{ui:!0,toolId:this.cid});const i=e.getVertexIndex(r.x,r.y);this.snapVertex(r,i),e.cell.insertVertex(r,i,{ui:!0,toolId:this.cid}),this.render();const s=this.handles[i];this.eventData(n,{vertexAdded:!0}),s.onMouseDown(n)}onRemove(){this.resetHandles()}}!function(t){t.Handle=class extends ex{get graph(){return this.options.graph}constructor(t){super(),this.options=t,this.render(),this.delegateEvents({mousedown:"onMouseDown",touchstart:"onMouseDown",dblclick:"onDoubleClick"})}render(){this.container=ex.createElement("circle",!0);const e=this.options.attrs;if("function"==typeof e){const n=t.getDefaults();this.setAttrs(Object.assign(Object.assign({},n.attrs),e(this)))}else this.setAttrs(e);this.addClass(this.prefixClassName("edge-tool-vertex"))}updatePosition(t,e){this.setAttrs({cx:t,cy:e})}onMouseDown(t){this.options.guard(t)||(t.stopPropagation(),t.preventDefault(),this.graph.view.undelegateEvents(),this.delegateDocumentEvents({mousemove:"onMouseMove",touchmove:"onMouseMove",mouseup:"onMouseUp",touchend:"onMouseUp",touchcancel:"onMouseUp"},t.data),this.emit("change",{e:t,handle:this}))}onMouseMove(t){this.emit("changing",{e:t,handle:this})}onMouseUp(t){this.emit("changed",{e:t,handle:this}),this.undelegateDocumentEvents(),this.graph.view.delegateEvents()}onDoubleClick(t){this.emit("remove",{e:t,handle:this})}}}(yx||(yx={})),function(t){const e=kb.prefix("edge-tool-vertex-path");t.config({name:"vertices",snapRadius:20,addable:!0,removable:!0,removeRedundancies:!0,stopPropagation:!0,attrs:{r:6,fill:"#333",stroke:"#fff",cursor:"move","stroke-width":2},createHandle:e=>new t.Handle(e),markup:[{tagName:"path",selector:"connection",className:e,attrs:{fill:"none",stroke:"transparent","stroke-width":10,cursor:"pointer"}}],events:{[`mousedown .${e}`]:"onPathMouseDown",[`touchstart .${e}`]:"onPathMouseDown"}})}(yx||(yx={}));class vx extends ox.ToolItem{constructor(){super(...arguments),this.handles=[]}get vertices(){return this.cellView.cell.getVertices()}update(){return this.render(),this}onRender(){lp(this.container,this.prefixClassName("edge-tool-segments")),this.resetHandles();const t=this.cellView,e=[...this.vertices];e.unshift(t.sourcePoint),e.push(t.targetPoint);for(let t=0,n=e.length;t<n-1;t+=1){const n=e[t],r=e[t+1],i=this.renderHandle(n,r,t);this.stamp(i.container),this.handles.push(i)}return this}renderHandle(t,e,n){const r=this.options.createHandle({index:n,graph:this.graph,guard:t=>this.guard(t),attrs:this.options.attrs||{}});return this.options.processHandle&&this.options.processHandle(r),this.updateHandle(r,t,e),this.container.appendChild(r.container),this.startHandleListening(r),r}startHandleListening(t){t.on("change",this.onHandleChange,this),t.on("changing",this.onHandleChanging,this),t.on("changed",this.onHandleChanged,this)}stopHandleListening(t){t.off("change",this.onHandleChange,this),t.off("changing",this.onHandleChanging,this),t.off("changed",this.onHandleChanged,this)}resetHandles(){const t=this.handles;this.handles=[],t&&t.forEach((t=>{this.stopHandleListening(t),t.remove()}))}shiftHandleIndexes(t){const e=this.handles;for(let n=0,r=e.length;n<r;n+=1)e[n].options.index+=t}resetAnchor(t,e){const n=this.cellView.cell,r={ui:!0,toolId:this.cid};e?n.prop([t,"anchor"],e,r):n.removeProp([t,"anchor"],r)}snapHandle(t,e,n){const r=t.options.axis,i=t.options.index,s=this.cellView.cell.getVertices(),o=s[i-2]||n.sourceAnchor,a=s[i+1]||n.targetAnchor,l=this.options.snapRadius;return Math.abs(e[r]-o[r])<l?e[r]=o[r]:Math.abs(e[r]-a[r])<l&&(e[r]=a[r]),e}onHandleChanging({handle:t,e:e}){const n=this.graph,r=this.options,i=this.cellView,s=r.anchor,o=t.options.axis,a=t.options.index-1,l=this.getEventData(e),c=this.normalizeEvent(e),h=n.snapToGrid(c.clientX,c.clientY),u=this.snapHandle(t,h.clone(),l),g=xo(this.vertices);let d=g[a],f=g[a+1];const p=i.sourceView,m=i.sourceBBox;let y=!1,v=!1;if(d?0===a?m.containsPoint(d)?(g.shift(),this.shiftHandleIndexes(-1),y=!0):(d[o]=u[o],v=!0):d[o]=u[o]:(d=i.sourceAnchor.toJSON(),d[o]=u[o],m.containsPoint(d)?y=!0:(g.unshift(d),this.shiftHandleIndexes(1),v=!0)),"function"==typeof s&&p){if(y){const t=l.sourceAnchor.clone();t[o]=u[o];const e=ef(s,i,t,p,i.sourceMagnet||p.container,"source",i,this);this.resetAnchor("source",e)}v&&this.resetAnchor("source",l.sourceAnchorDef)}const b=i.targetView,x=i.targetBBox;let w=!1,A=!1;if(f?a===g.length-2?x.containsPoint(f)?(g.pop(),w=!0):(f[o]=u[o],A=!0):f[o]=u[o]:(f=i.targetAnchor.toJSON(),f[o]=u[o],x.containsPoint(f)?w=!0:(g.push(f),A=!0)),"function"==typeof s&&b){if(w){const t=l.targetAnchor.clone();t[o]=u[o];const e=ef(s,i,t,b,i.targetMagnet||b.container,"target",i,this);this.resetAnchor("target",e)}A&&this.resetAnchor("target",l.targetAnchorDef)}Oy.equalPoints(g,this.vertices)||this.cellView.cell.setVertices(g,{ui:!0,toolId:this.cid}),this.updateHandle(t,d,f,0),r.stopPropagation||i.notifyMouseMove(c,h.x,h.y)}onHandleChange({handle:t,e:e}){const n=this.options,r=this.handles,i=this.cellView,s=t.options.index;if(Array.isArray(r)){for(let t=0,e=r.length;t<e;t+=1)t!==s&&r[t].hide();if(this.focus(),this.setEventData(e,{sourceAnchor:i.sourceAnchor.clone(),targetAnchor:i.targetAnchor.clone(),sourceAnchorDef:xo(this.cell.prop(["source","anchor"])),targetAnchorDef:xo(this.cell.prop(["target","anchor"]))}),this.cell.startBatch("move-segment",{ui:!0,toolId:this.cid}),!n.stopPropagation){const t=this.normalizeEvent(e),n=this.graph.snapToGrid(t.clientX,t.clientY);i.notifyMouseDown(t,n.x,n.y)}}}onHandleChanged({e:t}){const e=this.options,n=this.cellView;e.removeRedundancies&&n.removeRedundantLinearVertices({ui:!0,toolId:this.cid});const r=this.normalizeEvent(t),i=this.graph.snapToGrid(r.clientX,r.clientY);this.render(),this.blur(),this.cell.stopBatch("move-segment",{ui:!0,toolId:this.cid}),e.stopPropagation||n.notifyMouseUp(r,i.x,i.y),n.checkMouseleave(r),e.onChanged&&e.onChanged({edge:n.cell,edgeView:n})}updateHandle(t,e,n,r=0){const i=this.options.precision||0,s=Math.abs(e.x-n.x)<i,o=Math.abs(e.y-n.y)<i;if(s||o){const i=new ky(e,n);if(i.length()<this.options.threshold)t.hide();else{const e=i.getCenter(),n=s?"x":"y";e[n]+=r||0;const o=i.vector().vectorAngle(new Oy(1,0));t.updatePosition(e.x,e.y,o,this.cellView),t.show(),t.options.axis=n}}else t.hide()}onRemove(){this.resetHandles()}}!function(t){t.Handle=class extends ex{constructor(t){super(),this.options=t,this.render(),this.delegateEvents({mousedown:"onMouseDown",touchstart:"onMouseDown"})}render(){this.container=ex.createElement("rect",!0);const e=this.options.attrs;if("function"==typeof e){const n=t.getDefaults();this.setAttrs(Object.assign(Object.assign({},n.attrs),e(this)))}else this.setAttrs(e);this.addClass(this.prefixClassName("edge-tool-segment"))}updatePosition(t,e,n,r){const i=r.getClosestPoint(new Oy(t,e))||new Oy(t,e);let s=zm().translate(i.x,i.y);if(i.equals({x:t,y:e}))s=s.rotate(n);else{let n=new ky(t,e,i.x,i.y).vector().vectorAngle(new Oy(1,0));0!==n&&(n+=90),s=s.rotate(n)}this.setAttrs({transform:Um(s),cursor:n%180==0?"row-resize":"col-resize"})}onMouseDown(t){this.options.guard(t)||(this.trigger("change",{e:t,handle:this}),t.stopPropagation(),t.preventDefault(),this.options.graph.view.undelegateEvents(),this.delegateDocumentEvents({mousemove:"onMouseMove",touchmove:"onMouseMove",mouseup:"onMouseUp",touchend:"onMouseUp",touchcancel:"onMouseUp"},t.data))}onMouseMove(t){this.emit("changing",{e:t,handle:this})}onMouseUp(t){this.emit("changed",{e:t,handle:this}),this.undelegateDocumentEvents(),this.options.graph.view.delegateEvents()}show(){this.container.style.display=""}hide(){this.container.style.display="none"}}}(vx||(vx={})),function(t){t.config({name:"segments",precision:.5,threshold:40,snapRadius:10,stopPropagation:!0,removeRedundancies:!0,attrs:{width:20,height:8,x:-10,y:-4,rx:4,ry:4,fill:"#333",stroke:"#fff","stroke-width":2},createHandle:e=>new t.Handle(e),anchor:dx})}(vx||(vx={}));class bx extends ox.ToolItem{get type(){return this.options.type}onRender(){lp(this.container,this.prefixClassName(`edge-tool-${this.type}-anchor`)),this.toggleArea(!1),this.update()}update(){const t=this.type;return this.cellView.getTerminalView(t)?(this.updateAnchor(),this.updateArea(),this.container.style.display=""):this.container.style.display="none",this}updateAnchor(){const t=this.childNodes;if(!t)return;const e=t.anchor;if(!e)return;const n=this.type,r=this.cellView,i=this.options,s=r.getTerminalAnchor(n),o=r.cell.prop([n,"anchor"]);e.setAttribute("transform",`translate(${s.x}, ${s.y})`);const a=o?i.customAnchorAttrs:i.defaultAnchorAttrs;a&&Object.keys(a).forEach((t=>{e.setAttribute(t,a[t])}))}updateArea(){const t=this.childNodes;if(!t)return;const e=t.area;if(!e)return;const n=this.type,r=this.cellView,i=r.getTerminalView(n);if(i){const t=i.cell,s=r.getTerminalMagnet(n);let o,a,l,c=this.options.areaPadding||0;Number.isFinite(c)||(c=0),i.isEdgeElement(s)?(o=i.getBBox(),a=0,l=o.getCenter()):(o=i.getUnrotatedBBoxOfElement(s),a=t.getAngle(),l=o.getCenter(),a&&l.rotate(-a,t.getBBox().getCenter())),o.inflate(c),$p(e,{x:-o.width/2,y:-o.height/2,width:o.width,height:o.height,transform:`translate(${l.x}, ${l.y}) rotate(${a})`})}}toggleArea(t){if(this.childNodes){const e=this.childNodes.area;e&&(e.style.display=t?"":"none")}}onMouseDown(t){this.guard(t)||(t.stopPropagation(),t.preventDefault(),this.graph.view.undelegateEvents(),this.options.documentEvents&&this.delegateDocumentEvents(this.options.documentEvents),this.focus(),this.toggleArea(this.options.restrictArea),this.cell.startBatch("move-anchor",{ui:!0,toolId:this.cid}))}resetAnchor(t){const e=this.type,n=this.cell;t?n.prop([e,"anchor"],t,{rewrite:!0,ui:!0,toolId:this.cid}):n.removeProp([e,"anchor"],{ui:!0,toolId:this.cid})}onMouseMove(t){const e=this.type,n=this.cellView,r=n.getTerminalView(e);if(null==r)return;const i=this.normalizeEvent(t),s=r.cell,o=n.getTerminalMagnet(e);let a=this.graph.coord.clientToLocalPoint(i.clientX,i.clientY);const l=this.options.snap;if("function"==typeof l){const t=ef(l,n,a,r,o,e,n,this);a=Oy.create(t)}if(this.options.restrictArea)if(r.isEdgeElement(o)){const t=r.getClosestPoint(a);t&&(a=t)}else{const t=r.getUnrotatedBBoxOfElement(o),e=s.getAngle(),n=s.getBBox().getCenter(),i=a.clone().rotate(e,n);t.containsPoint(i)||(a=t.getNearestPointToPoint(i).rotate(-e,n))}let c;const h=this.options.anchor;"function"==typeof h&&(c=ef(h,n,a,r,o,e,n,this)),this.resetAnchor(c),this.update()}onMouseUp(t){this.graph.view.delegateEvents(),this.undelegateDocumentEvents(),this.blur(),this.toggleArea(!1);const e=this.cellView;this.options.removeRedundancies&&e.removeRedundantLinearVertices({ui:!0,toolId:this.cid}),this.cell.stopBatch("move-anchor",{ui:!0,toolId:this.cid})}onDblClick(){const t=this.options.resetAnchor;t&&this.resetAnchor(!0===t?void 0:t),this.update()}}!function(t){t.config({tagName:"g",markup:[{tagName:"circle",selector:"anchor",attrs:{cursor:"pointer"}},{tagName:"rect",selector:"area",attrs:{"pointer-events":"none",fill:"none",stroke:"#33334F","stroke-dasharray":"2,4",rx:5,ry:5}}],events:{mousedown:"onMouseDown",touchstart:"onMouseDown",dblclick:"onDblClick"},documentEvents:{mousemove:"onMouseMove",touchmove:"onMouseMove",mouseup:"onMouseUp",touchend:"onMouseUp",touchcancel:"onMouseUp"},customAnchorAttrs:{"stroke-width":4,stroke:"#33334F",fill:"#FFFFFF",r:5},defaultAnchorAttrs:{"stroke-width":2,stroke:"#FFFFFF",fill:"#33334F",r:6},areaPadding:6,snapRadius:10,resetAnchor:!0,restrictArea:!0,removeRedundancies:!0,anchor:dx,snap(t,e,n,r,i,s){const o=s.options.snapRadius||0,a="source"===r,l=a?0:-1,c=this.cell.getVertexAt(l)||this.getTerminalAnchor(a?"target":"source");return c&&(Math.abs(c.x-t.x)<o&&(t.x=c.x),Math.abs(c.y-t.y)<o&&(t.y=c.y)),t}})}(bx||(bx={}));const xx=bx.define({name:"source-anchor",type:"source"}),wx=bx.define({name:"target-anchor",type:"target"});class Ax extends ox.ToolItem{get type(){return this.options.type}get ratio(){return this.options.ratio}init(){if(this.options.attrs){const t=this.options.attrs,{class:n}=t,r=e(t,["class"]);this.setAttrs(r,this.container),n&&lp(this.container,n)}}onRender(){lp(this.container,this.prefixClassName(`edge-tool-${this.type}-arrowhead`)),this.update()}update(){const t=this.ratio,e=this.cellView,n=e.getTangentAtRatio(t),r=n?n.start:e.getPointAtRatio(t),i=n&&n.vector().vectorAngle(new Oy(1,0))||0;if(!r)return this;const s=zm().translate(r.x,r.y).rotate(i);return Ym(this.container,s,{absolute:!0}),this}onMouseDown(t){if(this.guard(t))return;t.stopPropagation(),t.preventDefault();const e=this.cellView;if(e.can("arrowheadMovable")){e.cell.startBatch("move-arrowhead",{ui:!0,toolId:this.cid});const n=this.graph.snapToGrid(t.clientX,t.clientY),r=e.prepareArrowheadDragging(this.type,{x:n.x,y:n.y,options:Object.assign(Object.assign({},this.options),{toolId:this.cid})});this.cellView.setEventData(t,r),this.delegateDocumentEvents(this.options.documentEvents,t.data),e.graph.view.undelegateEvents(),this.container.style.pointerEvents="none"}this.focus()}onMouseMove(t){const e=this.normalizeEvent(t),n=this.graph.snapToGrid(e.clientX,e.clientY);this.cellView.onMouseMove(e,n.x,n.y),this.update()}onMouseUp(t){this.undelegateDocumentEvents();const e=this.normalizeEvent(t),n=this.cellView,r=this.graph.snapToGrid(e.clientX,e.clientY);n.onMouseUp(e,r.x,r.y),this.graph.view.delegateEvents(),this.blur(),this.container.style.pointerEvents="",n.cell.stopBatch("move-arrowhead",{ui:!0,toolId:this.cid})}}!function(t){t.config({tagName:"path",isSVGElement:!0,events:{mousedown:"onMouseDown",touchstart:"onMouseDown"},documentEvents:{mousemove:"onMouseMove",touchmove:"onMouseMove",mouseup:"onMouseUp",touchend:"onMouseUp",touchcancel:"onMouseUp"}})}(Ax||(Ax={}));const Cx=Ax.define({name:"source-arrowhead",type:"source",ratio:0,attrs:{d:"M 10 -8 -10 0 10 8 Z",fill:"#333",stroke:"#fff","stroke-width":2,cursor:"move"}}),Px=Ax.define({name:"target-arrowhead",type:"target",ratio:1,attrs:{d:"M -10 -8 10 0 -10 8 Z",fill:"#333",stroke:"#fff","stroke-width":2,cursor:"move"}});class Mx extends ox.ToolItem{constructor(){super(...arguments),this.labelIndex=-1,this.distance=.5,this.dblClick=this.onCellDblClick.bind(this)}onRender(){const t=this.cellView;t&&t.on("cell:dblclick",this.dblClick)}createElement(){const t=[this.prefixClassName((this.cell.isEdge()?"edge":"node")+"-tool-editor"),this.prefixClassName("cell-tool-editor")];this.editor=ox.createElement("div",!1),this.addClass(t,this.editor),this.editor.contentEditable="true",this.container.appendChild(this.editor)}removeElement(){this.undelegateDocumentEvents(),this.editor&&(this.container.removeChild(this.editor),this.editor=null)}updateEditor(){const{cell:t,editor:e}=this;if(!e)return;const{style:n}=e;t.isNode()?this.updateNodeEditorTransform():t.isEdge()&&this.updateEdgeEditorTransform();const{attrs:r}=this.options;n.fontSize=`${r.fontSize}px`,n.fontFamily=r.fontFamily,n.color=r.color,n.backgroundColor=r.backgroundColor;const i=this.getCellText()||"";return e.innerText=i,this.setCellText(""),this}updateNodeEditorTransform(){const{graph:t,cell:e,editor:n}=this;if(!n)return;let r=Oy.create(),i=20,s="",{x:o,y:a}=this.options;const{width:l,height:c}=this.options;if(void 0!==o&&void 0!==a){const t=e.getBBox();o=Df(o,t.width),a=Df(a,t.height),r=t.topLeft.translate(o,a),i=t.width-2*o}else{const t=e.getBBox();r=t.center,i=t.width-4,s="translate(-50%, -50%)"}const h=t.scale(),{style:u}=n;r=t.localToGraph(r),u.left=`${r.x}px`,u.top=`${r.y}px`,u.transform=`scale(${h.sx}, ${h.sy}) ${s}`,u.minWidth=`${i}px`,"number"==typeof l&&(u.width=`${l}px`),"number"==typeof c&&(u.height=`${c}px`)}updateEdgeEditorTransform(){if(!this.event)return;const{graph:e,editor:n}=this;if(!n)return;let r=Oy.create(),i=20;const{style:s}=n,o=this.event.target,a=o.parentElement;if(a&&ap(a,this.prefixClassName("edge-label"))){const e=a.getAttribute("data-index")||"0";this.labelIndex=parseInt(e,10);const n=a.getAttribute("transform"),{translation:s}=Gm(n);r=new Oy(s.tx,s.ty),i=t.Util.getBBox(o).width}else{if(!this.options.labelAddable)return this;r=e.clientToLocal(Oy.create(this.event.clientX,this.event.clientY));const t=this.cellView.path.closestPointLength(r);this.distance=t,this.labelIndex=-1}r=e.localToGraph(r);const l=e.scale();s.left=`${r.x}px`,s.top=`${r.y}px`,s.minWidth=`${i}px`,s.transform=`scale(${l.sx}, ${l.sy}) translate(-50%, -50%)`}onDocumentMouseUp(t){if(this.editor&&t.target!==this.editor){const t=this.editor.innerText.replace(/\n$/,"")||"";this.setCellText(""!==t?t:null),this.removeElement()}}onCellDblClick({e:t}){this.editor||(t.stopPropagation(),this.removeElement(),this.event=t,this.createElement(),this.updateEditor(),this.autoFocus(),this.delegateDocumentEvents(this.options.documentEvents))}onMouseDown(t){t.stopPropagation()}autoFocus(){setTimeout((()=>{this.editor&&(this.editor.focus(),this.selectText())}))}selectText(){if(window.getSelection&&this.editor){const t=document.createRange(),e=window.getSelection();t.selectNodeContents(this.editor),e.removeAllRanges(),e.addRange(t)}}getCellText(){const{getText:t}=this.options;if("function"==typeof t)return ef(t,this.cellView,{cell:this.cell,index:this.labelIndex});if("string"==typeof t){if(this.cell.isNode())return this.cell.attr(t);if(this.cell.isEdge()&&-1!==this.labelIndex)return this.cell.prop(`labels/${this.labelIndex}/attrs/${t}`)}}setCellText(t){const e=this.options.setText;if("function"!=typeof e){if("string"==typeof e){if(this.cell.isNode())return void(null!==t&&this.cell.attr(e,t));if(this.cell.isEdge()){const n=this.cell;if(-1===this.labelIndex){if(t){const r={position:{distance:this.distance},attrs:{}};yf(r,`attrs/${e}`,t),n.appendLabel(r)}}else null!==t?n.prop(`labels/${this.labelIndex}/attrs/${e}`,t):"number"==typeof this.labelIndex&&n.removeLabelAt(this.labelIndex)}}}else ef(e,this.cellView,{cell:this.cell,value:t,index:this.labelIndex,distance:this.distance})}onRemove(){const t=this.cellView;t&&t.off("cell:dblclick",this.dblClick),this.removeElement()}}var Ex,Sx;!function(t){t.config({tagName:"div",isSVGElement:!1,events:{mousedown:"onMouseDown",touchstart:"onMouseDown"},documentEvents:{mouseup:"onDocumentMouseUp",touchend:"onDocumentMouseUp",touchcancel:"onDocumentMouseUp"}})}(Mx||(Mx={})),function(t){t.NodeEditor=t.define({attrs:{fontSize:14,fontFamily:"Arial, helvetica, sans-serif",color:"#000",backgroundColor:"#fff"},getText:"text/text",setText:"text/text"}),t.EdgeEditor=t.define({attrs:{fontSize:14,fontFamily:"Arial, helvetica, sans-serif",color:"#000",backgroundColor:"#fff"},labelAddable:!0,getText:"label/text",setText:"label/text"})}(Mx||(Mx={})),function(t){t.presets={boundary:mx,button:px,"button-remove":px.Remove,"node-editor":Mx.NodeEditor},t.registry=Ky.create({type:"node tool",process(t,n){if("function"==typeof n)return n;let r=ox.ToolItem;const{inherit:i}=n,s=e(n,["inherit"]);if(i){const t=this.get(i);null==t?this.onNotFound(i,"inherited"):r=t}return null==s.name&&(s.name=t),r.define.call(r,s)}}),t.registry.register(t.presets,!0)}(Ex||(Ex={})),function(t){t.presets={boundary:mx,vertices:yx,segments:vx,button:px,"button-remove":px.Remove,"source-anchor":xx,"target-anchor":wx,"source-arrowhead":Cx,"target-arrowhead":Px,"edge-editor":Mx.EdgeEditor},t.registry=Ky.create({type:"edge tool",process(t,n){if("function"==typeof n)return n;let r=ox.ToolItem;const{inherit:i}=n,s=e(n,["inherit"]);if(i){const t=this.get(i);null==t?this.onNotFound(i,"inherited"):r=t}return null==s.name&&(s.name=t),r.define.call(r,s)}}),t.registry.register(t.presets,!0)}(Sx||(Sx={}));const Ox=Dx("center"),Tx=Dx("topCenter"),kx=Dx("bottomCenter"),Nx=Dx("leftMiddle"),jx=Dx("rightMiddle"),_x=Dx("topLeft"),Lx=Dx("topRight"),Bx=Dx("bottomLeft"),Ix=Dx("bottomRight");function Dx(t){return function(e,n,r,i={}){const s=i.rotate?e.getUnrotatedBBoxOfElement(n):e.getBBoxOfElement(n),o=s[t];o.x+=Df(i.dx,s.width),o.y+=Df(i.dy,s.height);const a=e.cell;return i.rotate?o.rotate(-a.getAngle(),a.getBBox().getCenter()):o}}function Rx(t){return function(e,n,r,i){if(r instanceof Element){const s=this.graph.findViewByElem(r);let o;if(s)if(s.isEdgeElement(r)){o=Vx(s,null!=i.fixedAt?i.fixedAt:"50%")}else o=s.getBBoxOfElement(r).getCenter();else o=new Oy;return t.call(this,e,n,o,i)}return t.apply(this,arguments)}}function Vx(t,e){const n=If(e),r="string"==typeof e?parseFloat(e):e;return n?t.getPointAtRatio(r/100):t.getPointAtLength(r)}const zx=Rx((function(e,n,r,i){const s=t.Angle.normalize(e.cell.getAngle()),o=e.getBBoxOfElement(n),a=o.getCenter(),l=o.getTopLeft(),c=o.getBottomRight();let h=i.padding;if(Number.isFinite(h)||(h=0),l.y+h<=r.y&&r.y<=c.y-h){const e=r.y-a.y;a.x+=0===s||180===s?0:1*e/Math.tan(t.Angle.toRad(s)),a.y+=e}else if(l.x+h<=r.x&&r.x<=c.x-h){const e=r.x-a.x;a.y+=90===s||270===s?0:e*Math.tan(t.Angle.toRad(s)),a.x+=e}return a})),$x=Rx((function(t,e,n,r){let i,s,o=0;const a=t.cell;r.rotate?(i=t.getUnrotatedBBoxOfElement(e),s=a.getBBox().getCenter(),o=a.getAngle()):i=t.getBBoxOfElement(e);const l=r.padding;null!=l&&Number.isFinite(l)&&i.inflate(l),r.rotate&&n.rotate(o,s);const c=i.getNearestSideToPoint(n);let h;switch(c){case"left":h=i.getLeftMiddle();break;case"right":h=i.getRightMiddle();break;case"top":h=i.getTopCenter();break;case"bottom":h=i.getBottomCenter()}const u=r.direction;return"H"===u?"top"!==c&&"bottom"!==c||(h=n.x<=i.x+i.width?i.getLeftMiddle():i.getRightMiddle()):"V"===u&&(h=n.y<=i.y+i.height?i.getTopCenter():i.getBottomCenter()),r.rotate?h.rotate(-o,s):h}));var Fx,Ux=Object.freeze({__proto__:null,bottom:kx,bottomLeft:Bx,bottomRight:Ix,center:Ox,left:Nx,midSide:$x,nodeCenter:function(t,e,n,r,i){const s=t.cell.getConnectionPoint(this.cell,i);return(r.dx||r.dy)&&s.translate(r.dx||0,r.dy||0),s},orth:zx,right:jx,top:Tx,topLeft:_x,topRight:Lx});!function(t){t.presets=Ux,t.registry=Ky.create({type:"node endpoint"}),t.registry.register(t.presets,!0)}(Fx||(Fx={}));const Gx=function(t,e,n,r){const i=t.getClosestPoint(n);return null!=i?i:new Oy},qx=Rx(Gx),Wx=Rx((function(t,e,n,r){const i=1e6,s=t.getConnection(),o=t.getConnectionSubdivisions(),a=new ky(n.clone().translate(0,i),n.clone().translate(0,-i)),l=new ky(n.clone().translate(i,0),n.clone().translate(-i,0)),c=a.intersect(s,{segmentSubdivisions:o}),h=l.intersect(s,{segmentSubdivisions:o}),u=[];return c&&u.push(...c),h&&u.push(...h),u.length>0?n.closest(u):null!=r.fallbackAt?Vx(t,r.fallbackAt):ef(Gx,this,t,e,n,r)}));var Hx,Jx=Object.freeze({__proto__:null,closest:qx,length:function(t,e,n,r){const i=null!=r.length?r.length:20;return t.getPointAtLength(i)},orth:Wx,ratio:function(t,e,n,r){let i=null!=r.ratio?r.ratio:.5;return i>1&&(i/=100),t.getPointAtRatio(i)}});function Xx(t,e,n){let r;if("object"==typeof n){if(Number.isFinite(n.y)){const r=new ky(e,t),{start:i,end:s}=r.parallel(n.y);e=i,t=s}r=n.x}else r=n;if(null==r||!Number.isFinite(r))return t;const i=t.distance(e);return 0===r&&i>0?t:t.move(e,-Math.min(r,i-1))}function Yx(t){const e=t.getAttribute("stroke-width");return null===e?0:parseFloat(e)||0}!function(t){t.presets=Jx,t.registry=Ky.create({type:"edge endpoint"}),t.registry.register(t.presets,!0)}(Hx||(Hx={}));const Zx=function(t,e,n,r){const i=e.getBBoxOfElement(n);r.stroked&&i.inflate(Yx(n)/2);const s=t.intersect(i);return Xx(s&&s.length?t.start.closest(s):t.end,t.start,r.offset)};var Kx,Qx=Object.freeze({__proto__:null,anchor:function(t,e,n,r){const{alignOffset:i,align:s}=r;return s&&function(t,e,n=0){const{start:r,end:i}=t;let 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t=y.shapeBBox;if(null!=t&&t.containsPoint(m))return a}let v;if(!0===i.extrapolate&&p.setLength(1e6),Zy.isPath(c)){const t=i.precision||2;null==y.segmentSubdivisions&&(y.segmentSubdivisions=c.getSegmentSubdivisions({precision:t})),v={precision:t,segmentSubdivisions:y.segmentSubdivisions},o=p.intersect(c,v)}else o=p.intersect(c);o?Array.isArray(o)&&(o=m.closest(o)):!0===i.sticky&&(o=Ty.isRectangle(c)?c.getNearestPointToPoint(m):Ny.isEllipse(c)?c.intersectsWithLineFromCenterToPoint(m):c.closestPoint(m,v));const b=o?t.Util.transformPoint(o,d):a;let x=i.offset||0;return!1!==i.stroked&&("object"==typeof x?(x=Object.assign({},x),null==x.x&&(x.x=0),x.x+=Yx(s)/2):x+=Yx(s)/2),Xx(b,e.start,x)},rect:function(t,e,n,r,i){const s=e.cell,o=s.isNode()?s.getAngle():0;if(0===o)return ef(Zx,this,t,e,n,r,i);const a=e.getUnrotatedBBoxOfElement(n);r.stroked&&a.inflate(Yx(n)/2);const l=a.getCenter(),c=t.clone().rotate(o,l),h=c.setLength(1e6).intersect(a);return Xx(h&&h.length?c.start.closest(h).rotate(-o,l):t.end,t.start,r.offset)}});!function(t){t.presets=Qx,t.registry=Ky.create({type:"connection point"}),t.registry.register(t.presets,!0)}(Kx||(Kx={}));function tw(t){return new Ty(t.x,t.y,0,0)}function ew(t={}){const e=Rf(t.padding||20);return{x:-e.left,y:-e.top,width:e.left+e.right,height:e.top+e.bottom}}function nw(t,e={}){return t.sourceBBox.clone().moveAndExpand(ew(e))}function rw(t,e={}){return t.targetBBox.clone().moveAndExpand(ew(e))}const iw=function(t,e,n){let r=nw(n,e),i=rw(n,e);const s=function(t,e={}){return t.sourceAnchor?t.sourceAnchor:nw(t,e).getCenter()}(n,e),o=function(t,e={}){return t.targetAnchor?t.targetAnchor:rw(t,e).getCenter()}(n,e);r=r.union(tw(s)),i=i.union(tw(o));const a=t.map((t=>Oy.create(t)));a.unshift(s),a.push(o);let l=null;const c=[];for(let t=0,n=a.length-1;t<n;t+=1){let s=null;const o=a[t],h=a[t+1],u=null!=sw.getBearing(o,h);if(0===t)t+1===n?r.intersectsWithRect(i.clone().inflate(1))?s=sw.insideNode(o,h,r,i):u||(s=sw.nodeToNode(o,h,r,i)):r.containsPoint(h)?s=sw.insideNode(o,h,r,tw(h).moveAndExpand(ew(e))):u||(s=sw.nodeToVertex(o,h,r));else if(t+1===n){const t=u&&sw.getBearing(h,o)===l;i.containsPoint(o)||t?s=sw.insideNode(o,h,tw(o).moveAndExpand(ew(e)),i,l):u||(s=sw.vertexToNode(o,h,i,l))}else u||(s=sw.vertexToVertex(o,h,l));s?(c.push(...s.points),l=s.direction):l=sw.getBearing(o,h),t+1<n&&c.push(h)}return c};var sw;!function(e){const n={N:"S",S:"N",E:"W",W:"E"},r={N:-Math.PI/2*3,S:-Math.PI/2,E:0,W:Math.PI};function i(t,e,n){let r=new Oy(t.x,e.y);return n.containsPoint(r)&&(r=new Oy(e.x,t.y)),r}function s(t,e){return t["W"===e||"E"===e?"width":"height"]}function o(t,e){return t.x===e.x?t.y>e.y?"N":"S":t.y===e.y?t.x>e.x?"W":"E":null}function a(t,e,r){const i=new Oy(t.x,e.y),s=new Oy(e.x,t.y),a=o(t,i),l=o(t,s),c=r?n[r]:null,h=a===r||a!==c&&(l===c||l!==r)?i:s;return{points:[h],direction:o(h,e)}}function l(t,e,n){const r=i(t,e,n);return{points:[r],direction:o(r,e)}}e.getBBoxSize=s,e.getBearing=o,e.vertexToVertex=a,e.nodeToVertex=l,e.vertexToNode=function(t,e,n,r){const a=[new Oy(t.x,e.y),new Oy(e.x,t.y)],l=a.filter((t=>!n.containsPoint(t))),c=l.filter((e=>o(e,t)!==r));let h;if(c.length>0)return h=c.filter((e=>o(t,e)===r)).pop(),h=h||c[0],{points:[h],direction:o(h,e)};{h=sl(a,l)[0];const c=Oy.create(e).move(h,-s(n,r)/2);return{points:[i(c,t,n),c],direction:o(c,e)}}},e.nodeToNode=function(t,e,n,r){let i=l(e,t,r);const c=i.points[0];if(n.containsPoint(c)){i=l(t,e,n);const h=i.points[0];if(r.containsPoint(h)){const u=Oy.create(t).move(h,-s(n,o(t,h))/2),g=Oy.create(e).move(c,-s(r,o(e,c))/2),d=new ky(u,g).getCenter(),f=l(t,d,n),p=a(d,e,f.direction);i.points=[f.points[0],p.points[0]],i.direction=p.direction}}return i},e.insideNode=function(e,n,s,a,l){const c=s.union(a).inflate(1),h=c.getCenter(),u=h.distance(n)>h.distance(e),g=u?n:e,d=u?e:n;let f,p,m,y;return l?(f=Oy.fromPolar(c.width+c.height,r[l],g),f=c.getNearestPointToPoint(f).move(f,-1)):f=c.getNearestPointToPoint(g).move(g,1),p=i(f,d,c),f.round().equals(p.round())?(p=Oy.fromPolar(c.width+c.height,t.Angle.toRad(f.theta(g))+Math.PI/2,d),p=c.getNearestPointToPoint(p).move(d,1).round(),m=i(f,p,c),y=u?[p,m,f]:[f,m,p]):y=u?[p,f]:[f,p],{points:y,direction:o(u?f:p,n)}}}(sw||(sw={}));const ow={step:10,maxLoopCount:2e3,precision:1,maxDirectionChange:90,perpendicular:!0,excludeTerminals:[],excludeNodes:[],excludeShapes:[],startDirections:["top","right","bottom","left"],endDirections:["top","right","bottom","left"],directionMap:{top:{x:0,y:-1},right:{x:1,y:0},bottom:{x:0,y:1},left:{x:-1,y:0}},cost(){return aw(this.step,this)},directions(){const t=aw(this.step,this),e=aw(this.cost,this);return[{cost:e,offsetX:t,offsetY:0},{cost:e,offsetX:-t,offsetY:0},{cost:e,offsetX:0,offsetY:t},{cost:e,offsetX:0,offsetY:-t}]},penalties(){const t=aw(this.step,this);return{0:0,45:t/2,90:t/2}},paddingBox(){const t=aw(this.step,this);return{x:-t,y:-t,width:2*t,height:2*t}},fallbackRouter:iw,draggingRouter:null,snapToGrid:!0};function aw(t,e){return"function"==typeof t?t.call(e):t}class lw{constructor(){this.items=[],this.hash={},this.values={}}add(t,e){this.hash[t]?this.items.splice(this.items.indexOf(t),1):this.hash[t]=1,this.values[t]=e;const n=vg(this.items,t,(t=>this.values[t]));this.items.splice(n,0,t)}pop(){const t=this.items.shift();return t&&(this.hash[t]=2),t}isOpen(t){return 1===this.hash[t]}isClose(t){return 2===this.hash[t]}isEmpty(){return 0===this.items.length}}class cw{constructor(t){this.options=t,this.mapGridSize=100,this.map={}}build(t,e){const n=this.options,r=n.excludeTerminals.reduce(((n,r)=>{const i=e[r];if(i){const e=t.getCell(i.cell);e&&n.push(e)}return n}),[]);let i=[];const s=t.getCell(e.getSourceCellId());s&&(i=ld(i,s.getAncestors().map((t=>t.id))));const o=t.getCell(e.getTargetCellId());o&&(i=ld(i,o.getAncestors().map((t=>t.id))));const a=this.mapGridSize;return t.getNodes().reduce(((t,e)=>{const s=r.some((t=>t.id===e.id)),o=!!e.shape&&n.excludeShapes.includes(e.shape),l=n.excludeNodes.some((t=>"string"==typeof t?e.id===t:t===e)),c=i.includes(e.id),h=o||s||l||c;if(e.isVisible()&&!h){const r=e.getBBox().moveAndExpand(n.paddingBox),i=r.getOrigin().snapToGrid(a),s=r.getCorner().snapToGrid(a);for(let e=i.x;e<=s.x;e+=a)for(let n=i.y;n<=s.y;n+=a){const i=new Oy(e,n).toString();null==t[i]&&(t[i]=[]),t[i].push(r)}}return t}),this.map),this}isAccessible(t){const e=t.clone().snapToGrid(this.mapGridSize).toString(),n=this.map[e];return!n||n.every((e=>!e.containsPoint(t)))}}function hw(t,e){const n=t.sourceBBox.clone();return e&&e.paddingBox?n.moveAndExpand(e.paddingBox):n}function uw(t,e){const n=t.targetBBox.clone();return e&&e.paddingBox?n.moveAndExpand(e.paddingBox):n}function gw(t,e){if(t.sourceAnchor)return t.sourceAnchor;return hw(t,e).getCenter()}function dw(e,n,r,i,s){const o=360/r,a=e.theta(function(t,e,n,r){const i=r.step,s=e.x-t.x,o=e.y-t.y,a=s/n.x,l=o/n.y,c=a*i,h=l*i;return new Oy(t.x+c,t.y+h)}(e,n,i,s)),l=t.Angle.normalize(a+o/2);return o*Math.floor(l/o)}function fw(t,e){const n=Math.abs(t-e);return n>180?360-n:n}function pw(t,e){if(!t)return e;const n=Math.abs(t),r=Math.round(n/e);if(!r)return n;return e+(n-r*e)/r}function mw(t,e){return t.round(e)}function yw(e,n,r){return mw(function(e,n){const r=n.source,i=t.GeometryUtil.snapToGrid(e.x-r.x,n.x)+r.x,s=t.GeometryUtil.snapToGrid(e.y-r.y,n.y)+r.y;return new Oy(i,s)}(e.clone(),n),r)}function vw(t){return t.toString()}function bw(t){return new Oy(0===t.x?0:Math.abs(t.x)/t.x,0===t.y?0:Math.abs(t.y)/t.y)}function xw(t,e){let n=1/0;for(let r=0,i=e.length;r<i;r+=1){const i=t.manhattanDistance(e[r]);i<n&&(n=i)}return n}function ww(t,e,n,r,i){const s=i.precision,o=i.directionMap,a=t.diff(e.getCenter()),l=Object.keys(o).reduce(((i,l)=>{if(n.includes(l)){const n=o[l],c=new Oy(t.x+n.x*(Math.abs(a.x)+e.width),t.y+n.y*(Math.abs(a.y)+e.height)),h=new ky(t,c).intersect(e)||[];let u,g=null;for(let e=0;e<h.length;e+=1){const n=h[e],r=t.squaredDistance(n);(null==u||r>u)&&(u=r,g=n)}if(g){let t=yw(g,r,s);e.containsPoint(t)&&(t=yw(t.translate(n.x*r.x,n.y*r.y),r,s)),i.push(t)}}return i}),[]);return e.containsPoint(t)||l.push(yw(t,r,s)),l}function Aw(t,e,n,r,i){const s=[];let o,a=bw(i.diff(n)),l=vw(n),c=t[l];for(;c;){o=e[l];const n=bw(o.diff(c));n.equals(a)||(s.unshift(o),a=n),l=vw(c),c=t[l]}const h=e[l];return bw(h.diff(r)).equals(a)||s.unshift(h),s}function Cw(t,e,n,r,i){const s=i.precision;let o,a;o=Ty.isRectangle(e)?mw(gw(t,i).clone(),s):mw(e.clone(),s),a=Ty.isRectangle(n)?mw(function(t,e){return t.targetAnchor?t.targetAnchor:uw(t,e).getCenter()}(t,i).clone(),s):mw(n.clone(),s);const l=function(t,e,n){return{source:e.clone(),x:pw(n.x-e.x,t),y:pw(n.y-e.y,t)}}(i.step,o,a),c=o,h=a;let u,g;if(u=Ty.isRectangle(e)?ww(c,e,i.startDirections,l,i):[c],g=Ty.isRectangle(n)?ww(a,n,i.endDirections,l,i):[h],u=u.filter((t=>r.isAccessible(t))),g=g.filter((t=>r.isAccessible(t))),u.length>0&&g.length>0){const t=new lw,e={},n={},o={};for(let n=0,r=u.length;n<r;n+=1){const r=u[n],i=vw(r);t.add(i,xw(r,g)),e[i]=r,o[i]=0}const a=i.previousDirectionAngle,d=void 0===a;let f,p;const m=function(t,e){const n=e.step;return e.directions.forEach((e=>{e.gridOffsetX=e.offsetX/n*t.x,e.gridOffsetY=e.offsetY/n*t.y})),e.directions}(l,i),y=m.length,v=g.reduce(((t,e)=>{const n=vw(e);return t.push(n),t}),[]),b=Oy.equalPoints(u,g);let x=i.maxLoopCount;for(;!t.isEmpty()&&x>0;){const u=t.pop(),w=e[u],A=n[u],C=o[u],P=w.equals(c),M=null==A;let E;E=M?d?P?null:dw(c,w,y,l,i):a:dw(A,w,y,l,i);if(!(M&&b)&&v.indexOf(u)>=0)return i.previousDirectionAngle=E,Aw(n,e,w,c,h);for(let a=0;a<y;a+=1){f=m[a];const c=f.angle;if(p=fw(E,c),(!d||!P)&&p>i.maxDirectionChange)continue;const u=yw(w.clone().translate(f.gridOffsetX||0,f.gridOffsetY||0),l,s),b=vw(u);if(t.isClose(b)||!r.isAccessible(u))continue;if(v.indexOf(b)>=0){if(!u.equals(h)){if(fw(c,dw(u,h,y,l,i))>i.maxDirectionChange)continue}}const x=C+f.cost+(P?0:i.penalties[p]);(!t.isOpen(b)||x<o[b])&&(e[b]=u,n[b]=w,o[b]=x,t.add(b,x+xw(u,g)))}x-=1}}return i.fallbackRoute?ef(i.fallbackRoute,this,c,h,i):null}const Pw=function(e,n,r){const i=function(e){const n=Object.keys(e).reduce(((t,n)=>(t[n]="fallbackRouter"===n||"draggingRouter"===n||"fallbackRoute"===n?e[n]:aw(e[n],e),t)),{});if(n.padding){const t=Rf(n.padding);n.paddingBox={x:-t.left,y:-t.top,width:t.left+t.right,height:t.top+t.bottom}}return n.directions.forEach((e=>{const n=new Oy(0,0),r=new Oy(e.offsetX,e.offsetY);e.angle=t.Angle.normalize(n.theta(r))})),n}(n),s=hw(r,i),o=uw(r,i),a=gw(r,i),l=new cw(i).build(r.graph.model,r.cell),c=e.map((t=>Oy.create(t))),h=[];let u,g,d=a;for(let t=0,n=c.length;t<=n;t+=1){let n=null;if(u=g||s,g=c[t],null==g){g=o;const t=r.cell;if((null==t.getSourceCellId()||null==t.getTargetCellId())&&"function"==typeof i.draggingRouter){const t=u===s?a:u,e=g.getOrigin();n=ef(i.draggingRouter,r,t,e,i)}}if(null==n&&(n=Cw(r,u,g,l,i)),null===n)return console.warn("Unable to execute manhattan algorithm, use orth instead"),ef(i.fallbackRouter,this,e,i,r);const f=n[0];f&&f.equals(d)&&n.shift(),d=n[n.length-1]||d,h.push(...n)}return i.snapToGrid?function(t,e=10){if(t.length<=1)return t;for(let n=0,r=t.length;n<r-1;n+=1){const r=t[n],i=t[n+1];if(r.x===i.x){const t=e*Math.round(r.x/e);r.x!==t&&(r.x=t,i.x=t)}else if(r.y===i.y){const t=e*Math.round(r.y/e);r.y!==t&&(r.y=t,i.y=t)}}return t}(h,r.graph.grid.getGridSize()):h},Mw=function(t,e,n){return ef(Pw,this,t,Object.assign(Object.assign({},ow),e),n)},Ew={maxDirectionChange:45,directions(){const t=aw(this.step,this),e=aw(this.cost,this),n=Math.ceil(Math.sqrt(t*t<<1));return[{cost:e,offsetX:t,offsetY:0},{cost:n,offsetX:t,offsetY:t},{cost:e,offsetX:0,offsetY:t},{cost:n,offsetX:-t,offsetY:t},{cost:e,offsetX:-t,offsetY:0},{cost:n,offsetX:-t,offsetY:-t},{cost:e,offsetX:0,offsetY:-t},{cost:n,offsetX:t,offsetY:-t}]},fallbackRoute(e,n,r){const i=e.theta(n),s=[];let o={x:n.x,y:e.y},a={x:e.x,y:n.y};if(i%180>90){const t=o;o=a,a=t}const l=i%90<45?o:a,c=new ky(e,l),h=90*Math.ceil(i/90),u=Oy.fromPolar(c.squaredLength(),t.Angle.toRad(h+135),l),g=new ky(n,u),d=c.intersectsWithLine(g),f=d||n,p=d?f:e,m=360/r.directions.length,y=p.theta(n),v=t.Angle.normalize(y+m/2),b=m*Math.floor(v/m);return r.previousDirectionAngle=b,f&&s.push(f.round()),s.push(n),s}};function Sw(t,e){if(null!=e&&!1!==e){const n="boolean"==typeof e?0:e;if(n>0){const e=Oy.create(t[1]).move(t[2],n),r=Oy.create(t[1]).move(t[0],n);return[e.toJSON(),...t,r.toJSON()]}{const e=t[1];return[Object.assign({},e),...t,Object.assign({},e)]}}return t}var Ow,Tw=Object.freeze({__proto__:null,er:function(t,e,n){const r=e.offset||32,i=null==e.min?16:e.min;let s=0,o=e.direction;const a=n.sourceBBox,l=n.targetBBox,c=a.getCenter(),h=l.getCenter();if("number"==typeof r&&(s=r),null==o){let t=l.left-a.right,e=l.top-a.bottom;t>=0&&e>=0?o=t>=e?"L":"T":t<=0&&e>=0?(t=a.left-l.right,o=t>=0&&t>=e?"R":"T"):t>=0&&e<=0?(e=a.top-l.bottom,o=e>=0?t>=e?"L":"B":"L"):(t=a.left-l.right,e=a.top-l.bottom,o=t>=0&&e>=0?t>=e?"R":"B":t<=0&&e>=0?"B":t>=0&&e<=0||Math.abs(t)>Math.abs(e)?"R":"B")}let u,g,d;"H"===o?o=h.x-c.x>=0?"L":"R":"V"===o&&(o=h.y-c.y>=0?"T":"B"),"center"===r&&("L"===o?s=(l.left-a.right)/2:"R"===o?s=(a.left-l.right)/2:"T"===o?s=(l.top-a.bottom)/2:"B"===o&&(s=(a.top-l.bottom)/2));const f="L"===o||"R"===o;if(f){if(h.y===c.y)return[...t];d="L"===o?1:-1,u="x",g="width"}else{if(h.x===c.x)return[...t];d="T"===o?1:-1,u="y",g="height"}const p=c.clone(),m=h.clone();if(p[u]+=d*(a[g]/2+s),m[u]-=d*(l[g]/2+s),f){const t=p.x,e=m.x,n=a.width/2+i,r=l.width/2+i;h.x>c.x?e<=t&&(p.x=Math.max(e,c.x+n),m.x=Math.min(t,h.x-r)):e>=t&&(p.x=Math.min(e,c.x-n),m.x=Math.max(t,h.x+r))}else{const t=p.y,e=m.y,n=a.height/2+i,r=l.height/2+i;h.y>c.y?e<=t&&(p.y=Math.max(e,c.y+n),m.y=Math.min(t,h.y-r)):e>=t&&(p.y=Math.min(e,c.y-n),m.y=Math.max(t,h.y+r))}return[p.toJSON(),...t,m.toJSON()]},loop:function(e,n,r){const i=n.width||50,s=(n.height||80)/2,o=n.angle||"auto",a=r.sourceAnchor,l=r.targetAnchor,c=r.sourceBBox,h=r.targetBBox;if(a.equals(l)){const e=e=>{const n=t.Angle.toRad(e),r=Math.sin(n),o=Math.cos(n),l=new Oy(a.x+o*i,a.y+r*i),c=new Oy(l.x-o*s,l.y-r*s),h=c.clone().rotate(-90,l),u=c.clone().rotate(90,l);return[h.toJSON(),l.toJSON(),u.toJSON()]},r=t=>{const e=a.clone().move(t,-1),n=new ky(e,t);return!c.containsPoint(t)&&!c.intersectsWithLine(n)},l=[0,90,180,270,45,135,225,315];if("number"==typeof o)return Sw(e(o),n.merge);const h=c.getCenter();if(h.equals(a))return Sw(e(0),n.merge);const u=h.angleBetween(a,h.clone().translate(1,0));let g=e(u);if(r(g[1]))return Sw(g,n.merge);for(let t=1,i=l.length;t<i;t+=1)if(g=e(u+l[t]),r(g[1]))return Sw(g,n.merge);return Sw(g,n.merge)}{const t=new ky(a,l);let e=t.parallel(-i),o=e.getCenter(),u=e.start.clone().move(e.end,s),g=e.end.clone().move(e.start,s);const d=t.parallel(-1),f=new ky(d.start,o),p=new ky(d.end,o);if((c.containsPoint(o)||h.containsPoint(o)||c.intersectsWithLine(f)||c.intersectsWithLine(p)||h.intersectsWithLine(f)||h.intersectsWithLine(p))&&(e=t.parallel(i),o=e.getCenter(),u=e.start.clone().move(e.end,s),g=e.end.clone().move(e.start,s)),n.merge){const t=new ky(a,l),e=new ky(o,t.center).setLength(Number.MAX_SAFE_INTEGER),n=c.intersectsWithLine(e),i=h.intersectsWithLine(e),s=n?Array.isArray(n)?n:[n]:[];i&&(Array.isArray(i)?s.push(...i):s.push(i));const u=t.center.closest(s);u?(r.sourceAnchor=u.clone(),r.targetAnchor=u.clone()):(r.sourceAnchor=t.center.clone(),r.targetAnchor=t.center.clone())}return Sw([u.toJSON(),o.toJSON(),g.toJSON()],n.merge)}},manhattan:Mw,metro:function(t,e,n){return ef(Mw,this,t,Object.assign(Object.assign({},Ew),e),n)},normal:function(t){return[...t]},oneSide:function(t,e,n){const r=e.side||"bottom",i=Rf(e.padding||40),s=n.sourceBBox,o=n.targetBBox,a=s.getCenter(),l=o.getCenter();let c,h,u;switch(r){case"top":u=-1,c="y",h="height";break;case"left":u=-1,c="x",h="width";break;case"right":u=1,c="x",h="width";break;default:u=1,c="y",h="height"}return a[c]+=u*(s[h]/2+i[r]),l[c]+=u*(o[h]/2+i[r]),u*(a[c]-l[c])>0?l[c]=a[c]:a[c]=l[c],[a.toJSON(),...t,l.toJSON()]},orth:iw});!function(t){t.presets=Tw,t.registry=Ky.create({type:"router"}),t.registry.register(t.presets,!0)}(Ow||(Ow={}));const kw=1,Nw=1/3,jw=2/3;function _w(t,e,n=[]){const r=[t,...n,e],i=[];return r.forEach(((t,e)=>{const n=r[e+1];null!=n&&i.push(new ky(t,n))})),i}function Lw(t,e){return new ky(t,e).squaredLength()}function Bw(t,e,n,r){const i=new Zy;let s;return s=Zy.createSegment("M",t[0].start),i.appendSegment(s),t.forEach(((o,a)=>{if(Iw.includes(o)){let t,r,a,l;if("arc"===n){t=-90,r=o.start.diff(o.end);(r.x<0||0===r.x&&r.y<0)&&(t+=180);const e=o.getCenter(),n=new ky(e,o.end).rotate(t,e);let c;c=new ky(o.start,e),a=c.pointAt(2/3).rotate(t,o.start),l=n.pointAt(1/3).rotate(-t,n.end),s=Zy.createSegment("C",a,l,n.end),i.appendSegment(s),c=new ky(e,o.end),a=n.pointAt(1/3).rotate(t,n.end),l=c.pointAt(1/3).rotate(-t,o.end),s=Zy.createSegment("C",a,l,o.end),i.appendSegment(s)}else if("gap"===n)s=Zy.createSegment("M",o.end),i.appendSegment(s);else if("cubic"===n){t=o.start.theta(o.end);const n=.6*e;let c=1.35*e;r=o.start.diff(o.end);(r.x<0||0===r.x&&r.y<0)&&(c*=-1),a=new Oy(o.start.x+n,o.start.y+c).rotate(t,o.start),l=new Oy(o.end.x-n,o.end.y+c).rotate(t,o.end),s=Zy.createSegment("C",a,l,o.end),i.appendSegment(s)}}else{const e=t[a+1];0===r||!e||Iw.includes(e)?(s=Zy.createSegment("L",o.end),i.appendSegment(s)):function(t,e,n,r,i){const s=n.distance(r)/2,o=n.distance(i)/2,a=-Math.min(t,s),l=-Math.min(t,o),c=n.clone().move(r,a).round(),h=n.clone().move(i,l).round(),u=new Oy(Nw*c.x+jw*n.x,jw*n.y+Nw*c.y),g=new Oy(Nw*h.x+jw*n.x,jw*n.y+Nw*h.y);let d;d=Zy.createSegment("L",c),e.appendSegment(d),d=Zy.createSegment("C",u,g,h),e.appendSegment(d)}(r,i,o.end,o.start,e.end)}})),i}let Iw,Dw;var Rw,Vw=Object.freeze({__proto__:null,jumpover:function(t,e,n,r={}){Iw=[],Dw=[],function(t){let e=t.graph._jumpOverUpdateList;if(null==e&&(e=t.graph._jumpOverUpdateList=[],t.graph.on("cell:mouseup",(()=>{const e=t.graph._jumpOverUpdateList;setTimeout((()=>{for(let t=0;t<e.length;t+=1)e[t].update()}))})),t.graph.on("model:reseted",(()=>{e=t.graph._jumpOverUpdateList=[]}))),e.indexOf(t)<0){e.push(t);const n=()=>e.splice(e.indexOf(t),1);t.cell.once("change:connector",n),t.cell.once("removed",n)}}(this);const i=r.size||5,s=r.type||"arc",o=r.radius||0,a=r.ignoreConnectors||["smooth"],l=this.graph,c=l.model.getEdges();if(1===c.length)return Bw(_w(t,e,n),i,s,o);const h=this.cell,u=c.indexOf(h),g=l.options.connecting.connector||{},d=c.filter(((t,e)=>{const n=t.getConnector()||g;return!a.includes(n.name)&&(!(e>u)||"jumpover"!==n.name)})),f=d.map((t=>l.findViewByCell(t))),p=_w(t,e,n),m=f.map((t=>null==t?[]:t===this?p:_w(t.sourcePoint,t.targetPoint,t.routePoints))),y=[];p.forEach((t=>{const e=d.reduce(((e,n,r)=>{if(n!==h){const n=function(t,e){const n=[];return e.forEach((e=>{const r=t.intersectsWithLine(e);r&&n.push(r)})),n}(t,m[r]);e.push(...n)}return e}),[]).sort(((e,n)=>Lw(t.start,e)-Lw(t.start,n)));e.length>0?y.push(...function(t,e,n){return e.reduce(((r,i,s)=>{if(Dw.includes(i))return r;const o=r.pop()||t,a=Oy.create(i).move(o.start,-n);let l=Oy.create(i).move(o.start,+n);const c=e[s+1];if(null!=c){const t=l.distance(c);t<=n&&(l=c.move(o.start,t),Dw.push(c))}else if(a.distance(o.end)<2*n+kw)return r.push(o),r;if(l.distance(o.start)<2*n+kw)return r.push(o),r;const h=new ky(a,l);return Iw.push(h),r.push(new ky(o.start,a),h,new ky(l,o.end)),r}),[])}(t,e,i)):y.push(t)}));const v=Bw(y,i,s,o);return Iw=[],Dw=[],r.raw?v:v.serialize()},loop:function(t,e,n,r={}){const i=3===n.length?0:1,s=Oy.create(n[0+i]),o=Oy.create(n[2+i]),a=Oy.create(n[1+i]);if(!Oy.equals(t,e)){const n=new Oy((t.x+e.x)/2,(t.y+e.y)/2),r=n.angleBetween(Oy.create(t).rotate(90,n),a);r>1&&(s.rotate(180-r,n),o.rotate(180-r,n),a.rotate(180-r,n))}const l=`\n     M ${t.x} ${t.y}\n     Q ${s.x} ${s.y} ${a.x} ${a.y}\n     Q ${o.x} ${o.y} ${e.x} ${e.y}\n  `;return r.raw?Zy.parse(l):l},normal:function(t,e,n,r={}){const i=[t,...n,e],s=new Ry(i),o=new Zy(s);return r.raw?o:o.serialize()},rounded:function(t,e,n,r={}){const i=new Zy;i.appendSegment(Zy.createSegment("M",t));const s=1/3,o=2/3,a=r.radius||10;let l,c;for(let r=0,h=n.length;r<h;r+=1){const h=Oy.create(n[r]),u=n[r-1]||t,g=n[r+1]||e;l=c||h.distance(u)/2,c=h.distance(g)/2;const d=-Math.min(a,l),f=-Math.min(a,c),p=h.clone().move(u,d).round(),m=h.clone().move(g,f).round(),y=new Oy(s*p.x+o*h.x,o*h.y+s*p.y),v=new Oy(s*m.x+o*h.x,o*h.y+s*m.y);i.appendSegment(Zy.createSegment("L",p)),i.appendSegment(Zy.createSegment("C",y,v,m))}return i.appendSegment(Zy.createSegment("L",e)),r.raw?i:i.serialize()},smooth:function(t,e,n,r={}){let i,s=r.direction;if(n&&0!==n.length){const r=[t,...n,e],s=Vy.throughPoints(r);i=new Zy(s)}else if(i=new Zy,i.appendSegment(Zy.createSegment("M",t)),s||(s=Math.abs(t.x-e.x)>=Math.abs(t.y-e.y)?"H":"V"),"H"===s){const n=(t.x+e.x)/2;i.appendSegment(Zy.createSegment("C",n,t.y,n,e.y,e.x,e.y))}else{const n=(t.y+e.y)/2;i.appendSegment(Zy.createSegment("C",t.x,n,e.x,n,e.x,e.y))}return r.raw?i:i.serialize()}});!function(t){t.presets=Vw,t.registry=Ky.create({type:"connector"}),t.registry.register(t.presets,!0)}(Rw||(Rw={}));var zw,$w=Object.freeze({__proto__:null,get Attr(){return Ob},get Background(){return lv},get ConnectionPoint(){return Kx},get Connector(){return Rw},get EdgeAnchor(){return Hx},get EdgeTool(){return Sx},get Filter(){return gv},get Grid(){return iv},get Highlighter(){return Rb},get Marker(){return gb},get NodeAnchor(){return Fx},get NodeTool(){return Ex},get PortLabelLayout(){return Kb},get PortLayout(){return Gb},get Registry(){return Ky},get Router(){return Ow}});class Fw extends wf{constructor(t={}){super(),this.pending=!1,this.changing=!1,this.data={},this.mutate(xo(t)),this.changed={}}mutate(t,e={}){const n=!0===e.unset,r=!0===e.silent,i=[],s=this.changing;this.changing=!0,s||(this.previous=xo(this.data),this.changed={});const o=this.data,a=this.previous,l=this.changed;if(Object.keys(t).forEach((e=>{const r=e,s=t[r];Yc(o[r],s)||i.push(r),Yc(a[r],s)?delete l[r]:l[r]=s,n?delete o[r]:o[r]=s})),!r&&i.length>0&&(this.pending=!0,this.pendingOptions=e,i.forEach((t=>{this.emit("change:*",{key:t,options:e,store:this,current:o[t],previous:a[t]})}))),s)return this;if(!r)for(;this.pending;)this.pending=!1,this.emit("changed",{current:o,previous:a,store:this,options:this.pendingOptions});return this.pending=!1,this.changing=!1,this.pendingOptions=null,this}get(t,e){if(null==t)return this.data;const n=this.data[t];return null==n?e:n}getPrevious(t){if(this.previous){const e=this.previous[t];return null==e?void 0:e}}set(t,e,n){return null!=t&&("object"==typeof t?this.mutate(t,e):this.mutate({[t]:e},n)),this}remove(t,e){const n=void 0,r={};let i;if("string"==typeof t)r[t]=n,i=e;else if(Array.isArray(t))t.forEach((t=>r[t]=n)),i=e;else{for(const t in this.data)r[t]=n;i=t}return this.mutate(r,Object.assign(Object.assign({},i),{unset:!0})),this}getByPath(t){return mf(this.data,t,"/")}setByPath(t,e,n={}){const r="/",i=Array.isArray(t)?[...t]:t.split(r),s=Array.isArray(t)?t.join(r):t,o=i[0],a=i.length;if(n.propertyPath=s,n.propertyValue=e,n.propertyPathArray=i,1===a)this.set(o,e,n);else{const s={};let l=s,c=o;for(let t=1;t<a;t+=1){const e=i[t],n=Number.isFinite(Number(e));l=l[c]=n?[]:{},c=e}yf(s,i,e,r);const h=xo(this.data);n.rewrite&&vf(h,t,r);const u=Sh(h,s);this.set(o,u[o],n)}return this}removeByPath(t,e){const n=Array.isArray(t)?t:t.split("/"),r=n[0];if(1===n.length)this.remove(r,e);else{const t=n.slice(1),i=xo(this.get(r));i&&vf(i,t),this.set(r,i,e)}return this}hasChanged(t){return null==t?Object.keys(this.changed).length>0:t in this.changed}getChanges(t){if(null==t)return this.hasChanged()?xo(this.changed):null;const e=this.changing?this.previous:this.data,n={};let r;for(const i in t){const s=t[i];Yc(e[i],s)||(n[i]=s,r=!0)}return r?xo(n):null}toJSON(){return xo(this.data)}clone(){return new(0,this.constructor)(this.data)}dispose(){this.off(),this.data={},this.previous={},this.changed={},this.pending=!1,this.changing=!1,this.pendingOptions=null,this.trigger("disposed",{store:this})}}n([wf.dispose()],Fw.prototype,"dispose",null);class Uw{constructor(t){this.cell=t,this.ids={},this.cache={}}get(){return Object.keys(this.ids)}start(t,e,n={},r="/"){const i=this.cell.getPropByPath(t),s=Ua(n,Uw.defaultOptions),o=this.getTiming(s.timing),a=this.getInterp(s.interp,i,e);let l=0;const c=Array.isArray(t)?t.join(r):t,h=Array.isArray(t)?t:t.split(r),u=()=>{const t=(new Date).getTime();0===l&&(l=t);let e=(t-l)/s.duration;e<1?this.ids[c]=requestAnimationFrame(u):e=1;const r=a(o(e));this.cell.setPropByPath(h,r),n.progress&&n.progress(Object.assign({progress:e,currentValue:r},this.getArgs(c))),1===e&&(this.cell.notify("transition:complete",this.getArgs(c)),n.complete&&n.complete(this.getArgs(c)),this.cell.notify("transition:finish",this.getArgs(c)),n.finish&&n.finish(this.getArgs(c)),this.clean(c))};return setTimeout((()=>{this.stop(t,void 0,r),this.cache[c]={startValue:i,targetValue:e,options:s},this.ids[c]=requestAnimationFrame(u),this.cell.notify("transition:start",this.getArgs(c)),n.start&&n.start(this.getArgs(c))}),n.delay),this.stop.bind(this,t,r,n)}stop(t,e={},n="/"){const r=Array.isArray(t)?t:t.split(n);return Object.keys(this.ids).filter((t=>Yc(r,t.split(n).slice(0,r.length)))).forEach((t=>{cancelAnimationFrame(this.ids[t]);const n=this.cache[t],r=this.getArgs(t),i=Object.assign(Object.assign({},n.options),e),s=i.jumpedToEnd;s&&null!=n.targetValue&&(this.cell.setPropByPath(t,n.targetValue),this.cell.notify("transition:end",Object.assign({},r)),this.cell.notify("transition:complete",Object.assign({},r)),i.complete&&i.complete(Object.assign({},r)));const o=Object.assign({jumpedToEnd:s},r);this.cell.notify("transition:stop",Object.assign({},o)),i.stop&&i.stop(Object.assign({},o)),this.cell.notify("transition:finish",Object.assign({},r)),i.finish&&i.finish(Object.assign({},r)),this.clean(t)})),this}clean(t){delete this.ids[t],delete this.cache[t]}getTiming(e){return"string"==typeof e?t.Timing[e]:e}getInterp(e,n,r){return e?e(n,r):"number"==typeof r?t.Interp.number(n,r):"string"==typeof r?"#"===r[0]?t.Interp.color(n,r):t.Interp.unit(n,r):t.Interp.object(n,r)}getArgs(t){const e=this.cache[t];return{path:t,startValue:e.startValue,targetValue:e.targetValue,cell:this.cell}}}!function(t){t.defaultOptions={delay:10,duration:100,timing:"linear"}}(Uw||(Uw={}));class Gw extends wf{static config(t){const{markup:n,propHooks:r,attrHooks:i}=t,s=e(t,["markup","propHooks","attrHooks"]);null!=n&&(this.markup=n),r&&(this.propHooks=this.propHooks.slice(),Array.isArray(r)?this.propHooks.push(...r):"function"==typeof r?this.propHooks.push(r):Object.values(r).forEach((t=>{"function"==typeof t&&this.propHooks.push(t)}))),i&&(this.attrHooks=Object.assign(Object.assign({},this.attrHooks),i)),this.defaults=Sh({},this.defaults,s)}static getMarkup(){return this.markup}static getDefaults(t){return t?this.defaults:xo(this.defaults)}static getAttrHooks(){return this.attrHooks}static applyPropHooks(t,e){return this.propHooks.reduce(((e,n)=>n?ef(n,t,e):e),e)}get[Symbol.toStringTag](){return Gw.toStringTag}constructor(t={}){super();const e=this.constructor.getDefaults(!0),n=Sh({},this.preprocess(e),this.preprocess(t));this.id=n.id||jf(),this.store=new Fw(n),this.animation=new Uw(this),this.setup(),this.init(),this.postprocess(t)}init(){}get model(){return this._model}set model(t){this._model!==t&&(this._model=t)}preprocess(t,e){const n=t.id,r=this.constructor.applyPropHooks(this,t);return null==n&&!0!==e&&(r.id=jf()),r}postprocess(t){}setup(){this.store.on("change:*",(t=>{const{key:e,current:n,previous:r,options:i}=t;this.notify("change:*",{key:e,options:i,current:n,previous:r,cell:this}),this.notify(`change:${e}`,{options:i,current:n,previous:r,cell:this});const s=e;"source"!==s&&"target"!==s||this.notify("change:terminal",{type:s,current:n,previous:r,options:i,cell:this})})),this.store.on("changed",(({options:t})=>this.notify("changed",{options:t,cell:this})))}notify(t,e){this.trigger(t,e);const n=this.model;return n&&(n.notify(`cell:${t}`,e),this.isNode()?n.notify(`node:${t}`,Object.assign(Object.assign({},e),{node:this})):this.isEdge()&&n.notify(`edge:${t}`,Object.assign(Object.assign({},e),{edge:this}))),this}isNode(){return!1}isEdge(){return!1}isSameStore(t){return this.store===t.store}get view(){return this.store.get("view")}get shape(){return this.store.get("shape","")}getProp(t,e){return null==t?this.store.get():this.store.get(t,e)}setProp(t,e,n){if("string"==typeof t)this.store.set(t,e,n);else{const n=this.preprocess(t,!0);this.store.set(Sh({},this.getProp(),n),e),this.postprocess(t)}return this}removeProp(t,e){return"string"==typeof t||Array.isArray(t)?this.store.removeByPath(t,e):this.store.remove(e),this}hasChanged(t){return null==t?this.store.hasChanged():this.store.hasChanged(t)}getPropByPath(t){return this.store.getByPath(t)}setPropByPath(t,e,n={}){return this.model&&("children"===t?this._children=e?e.map((t=>this.model.getCell(t))).filter((t=>null!=t)):null:"parent"===t&&(this._parent=e?this.model.getCell(e):null)),this.store.setByPath(t,e,n),this}removePropByPath(t,e={}){const n=Array.isArray(t)?t:t.split("/");return"attrs"===n[0]&&(e.dirty=!0),this.store.removeByPath(n,e),this}prop(t,e,n){return null==t?this.getProp():"string"==typeof t||Array.isArray(t)?1===arguments.length?this.getPropByPath(t):null==e?this.removePropByPath(t,n||{}):this.setPropByPath(t,e,n||{}):this.setProp(t,e||{})}previous(t){return this.store.getPrevious(t)}get zIndex(){return this.getZIndex()}set zIndex(t){null==t?this.removeZIndex():this.setZIndex(t)}getZIndex(){return this.store.get("zIndex")}setZIndex(t,e={}){return this.store.set("zIndex",t,e),this}removeZIndex(t={}){return this.store.remove("zIndex",t),this}toFront(t={}){const e=this.model;if(e){let n,r=e.getMaxZIndex();t.deep?(n=this.getDescendants({deep:!0,breadthFirst:!0}),n.unshift(this)):n=[this],r=r-n.length+1;const i=e.total();let s=e.indexOf(this)!==i-n.length;s||(s=n.some(((t,e)=>t.getZIndex()!==r+e))),s&&this.batchUpdate("to-front",(()=>{r+=n.length,n.forEach(((e,n)=>{e.setZIndex(r+n,t)}))}))}return this}toBack(t={}){const e=this.model;if(e){let n,r=e.getMinZIndex();t.deep?(n=this.getDescendants({deep:!0,breadthFirst:!0}),n.unshift(this)):n=[this];let i=0!==e.indexOf(this);i||(i=n.some(((t,e)=>t.getZIndex()!==r+e))),i&&this.batchUpdate("to-back",(()=>{r-=n.length,n.forEach(((e,n)=>{e.setZIndex(r+n,t)}))}))}return this}get markup(){return this.getMarkup()}set markup(t){null==t?this.removeMarkup():this.setMarkup(t)}getMarkup(){let t=this.store.get("markup");if(null==t){t=this.constructor.getMarkup()}return t}setMarkup(t,e={}){return this.store.set("markup",t,e),this}removeMarkup(t={}){return this.store.remove("markup",t),this}get attrs(){return this.getAttrs()}set attrs(t){null==t?this.removeAttrs():this.setAttrs(t)}getAttrs(){const t=this.store.get("attrs");return t?Object.assign({},t):{}}setAttrs(t,e={}){if(null==t)this.removeAttrs(e);else{const n=t=>this.store.set("attrs",t,e);if(!0===e.overwrite)n(t);else{const r=this.getAttrs();!1===e.deep?n(Object.assign(Object.assign({},r),t)):n(Sh({},r,t))}}return this}replaceAttrs(t,e={}){return this.setAttrs(t,Object.assign(Object.assign({},e),{overwrite:!0}))}updateAttrs(t,e={}){return this.setAttrs(t,Object.assign(Object.assign({},e),{deep:!1}))}removeAttrs(t={}){return this.store.remove("attrs",t),this}getAttrDefinition(t){if(!t)return null;const e=this.constructor.getAttrHooks()||{};let n=e[t]||Ob.registry.get(t);if(!n){const r=Ri(t);n=e[r]||Ob.registry.get(r)}return n||null}getAttrByPath(t){return null==t||""===t?this.getAttrs():this.getPropByPath(this.prefixAttrPath(t))}setAttrByPath(t,e,n={}){return this.setPropByPath(this.prefixAttrPath(t),e,n),this}removeAttrByPath(t,e={}){return this.removePropByPath(this.prefixAttrPath(t),e),this}prefixAttrPath(t){return Array.isArray(t)?["attrs"].concat(t):`attrs/${t}`}attr(t,e,n){return null==t?this.getAttrByPath():"string"==typeof t||Array.isArray(t)?1===arguments.length?this.getAttrByPath(t):null==e?this.removeAttrByPath(t,n||{}):this.setAttrByPath(t,e,n||{}):this.setAttrs(t,e||{})}get visible(){return this.isVisible()}set visible(t){this.setVisible(t)}setVisible(t,e={}){return this.store.set("visible",t,e),this}isVisible(){return!1!==this.store.get("visible")}show(t={}){return this.isVisible()||this.setVisible(!0,t),this}hide(t={}){return this.isVisible()&&this.setVisible(!1,t),this}toggleVisible(t,e={}){const n="boolean"==typeof t?e:t;return("boolean"==typeof t?t:!this.isVisible())?this.show(n):this.hide(n),this}get data(){return this.getData()}set data(t){this.setData(t)}getData(){return this.store.get("data")}setData(t,e={}){if(null==t)this.removeData(e);else{const n=t=>this.store.set("data",t,e);if(!0===e.overwrite)n(t);else{const r=this.getData();!1===e.deep?n("object"==typeof t?Object.assign(Object.assign({},r),t):t):n(Sh({},r,t))}}return this}replaceData(t,e={}){return this.setData(t,Object.assign(Object.assign({},e),{overwrite:!0}))}updateData(t,e={}){return this.setData(t,Object.assign(Object.assign({},e),{deep:!1}))}removeData(t={}){return this.store.remove("data",t),this}get parent(){return this.getParent()}get children(){return this.getChildren()}getParentId(){return this.store.get("parent")}getParent(){const t=this.getParentId();if(t&&this.model){const e=this.model.getCell(t);return this._parent=e,e}return null}getChildren(){const t=this.store.get("children");if(t&&t.length&&this.model){const e=t.map((t=>{var e;return null===(e=this.model)||void 0===e?void 0:e.getCell(t)})).filter((t=>null!=t));return this._children=e,[...e]}return null}hasParent(){return null!=this.parent}isParentOf(t){return null!=t&&t.getParent()===this}isChildOf(t){return null!=t&&this.getParent()===t}eachChild(t,e){return this.children&&this.children.forEach(t,e),this}filterChild(t,e){return this.children?this.children.filter(t,e):[]}getChildCount(){return null==this.children?0:this.children.length}getChildIndex(t){return null==this.children?-1:this.children.indexOf(t)}getChildAt(t){return null!=this.children&&t>=0?this.children[t]:null}getAncestors(t={}){const e=[];let n=this.getParent();for(;n;)e.push(n),n=!1!==t.deep?n.getParent():null;return e}getDescendants(t={}){if(!1!==t.deep){if(t.breadthFirst){const t=[],e=this.getChildren()||[];for(;e.length>0;){const n=e.shift(),r=n.getChildren();t.push(n),r&&e.push(...r)}return t}{const e=this.getChildren()||[];return e.forEach((n=>{e.push(...n.getDescendants(t))})),e}}return this.getChildren()||[]}isDescendantOf(t,e={}){if(null==t)return!1;if(!1!==e.deep){let e=this.getParent();for(;e;){if(e===t)return!0;e=e.getParent()}return!1}return this.isChildOf(t)}isAncestorOf(t,e={}){return null!=t&&t.isDescendantOf(this,e)}contains(t){return this.isAncestorOf(t)}getCommonAncestor(...t){return Gw.getCommonAncestor(this,...t)}setParent(t,e={}){return this._parent=t,t?this.store.set("parent",t.id,e):this.store.remove("parent",e),this}setChildren(t,e={}){return this._children=t,null!=t?this.store.set("children",t.map((t=>t.id)),e):this.store.remove("children",e),this}unembed(t,e={}){const n=this.children;if(null!=n&&null!=t){const r=this.getChildIndex(t);-1!==r&&(n.splice(r,1),t.setParent(null,e),this.setChildren(n,e))}return this}embed(t,e={}){return t.addTo(this,e),this}addTo(t,e={}){return Gw.isCell(t)?t.addChild(this,e):t.addCell(this,e),this}insertTo(t,e,n={}){return t.insertChild(this,e,n),this}addChild(t,e={}){return this.insertChild(t,void 0,e)}insertChild(t,e,n={}){if(null!=t&&t!==this){const r=t.getParent(),i=this!==r;let s=e;if(null==s&&(s=this.getChildCount(),i||(s-=1)),r){const e=r.getChildren();if(e){const i=e.indexOf(t);i>=0&&(t.setParent(null,n),e.splice(i,1),r.setChildren(e,n))}}let o=this.children;if(null==o?(o=[],o.push(t)):o.splice(s,0,t),t.setParent(this,n),this.setChildren(o,n),i&&this.model){const t=this.model.getIncomingEdges(this),e=this.model.getOutgoingEdges(this);t&&t.forEach((t=>t.updateParent(n))),e&&e.forEach((t=>t.updateParent(n)))}this.model&&this.model.addCell(t,n)}return this}removeFromParent(t={}){const e=this.getParent();if(null!=e){const n=e.getChildIndex(this);e.removeChildAt(n,t)}return this}removeChild(t,e={}){const n=this.getChildIndex(t);return this.removeChildAt(n,e)}removeChildAt(t,e={}){const n=this.getChildAt(t);return null!=this.children&&null!=n&&(this.unembed(n,e),n.remove(e)),n}remove(t={}){return this.batchUpdate("remove",(()=>{const e=this.getParent();e&&e.removeChild(this,t),!1!==t.deep&&this.eachChild((e=>e.remove(t))),this.model&&this.model.removeCell(this,t)})),this}transition(t,e,n={},r="/"){return this.animation.start(t,e,n,r)}stopTransition(t,e,n="/"){return this.animation.stop(t,e,n),this}getTransitions(){return this.animation.get()}translate(t,e,n){return this}scale(t,e,n,r){return this}addTools(t,e,n){const r=Array.isArray(t)?t:[t],i="string"==typeof e?e:null,s="object"==typeof e?e:"object"==typeof n?n:{};if(s.reset)return this.setTools({name:i,items:r,local:s.local},s);let o=xo(this.getTools());return null==o||null==i||o.name===i?(null==o&&(o={}),o.items||(o.items=[]),o.name=i,o.items=[...o.items,...r],this.setTools(Object.assign({},o),s)):void 0}setTools(t,e={}){return null==t?this.removeTools():this.store.set("tools",Gw.normalizeTools(t),e),this}getTools(){return this.store.get("tools")}removeTools(t={}){return this.store.remove("tools",t),this}hasTools(t){const e=this.getTools();return null!=e&&(null==t||e.name===t)}hasTool(t){const e=this.getTools();return null!=e&&e.items.some((e=>"string"==typeof e?e===t:e.name===t))}removeTool(t,e={}){const n=xo(this.getTools());if(n){let r=!1;const i=n.items.slice(),s=t=>{i.splice(t,1),r=!0};if("number"==typeof t)s(t);else for(let e=i.length-1;e>=0;e-=1){const n=i[e];("string"==typeof n?n===t:n.name===t)&&s(e)}r&&(n.items=i,this.setTools(n,e))}return this}getBBox(t){return new Ty}getConnectionPoint(t,e){return new Oy}toJSON(t={}){const e=Object.assign({},this.store.get()),n=Object.prototype.toString,r=this.isNode()?"node":this.isEdge()?"edge":"cell";if(!e.shape){const t=this.constructor;throw new Error(`Unable to serialize ${r} missing "shape" prop, check the ${r} "${t.name||n.call(t)}"`)}const i=this.constructor,s=!0===t.diff,o=e.attrs||{},a=i.getDefaults(!0),l=s?this.preprocess(a,!0):a,c=l.attrs||{},h={};Object.entries(e).forEach((([t,i])=>{if(null!=i&&!Array.isArray(i)&&"object"==typeof i&&!Tr(i))throw new Error(`Can only serialize ${r} with plain-object props, but got a "${n.call(i)}" type of key "${t}" on ${r} "${this.id}"`);if("attrs"!==t&&"shape"!==t&&s){Yc(i,l[t])&&delete e[t]}})),Object.keys(o).forEach((t=>{const e=o[t],n=c[t];Object.keys(e).forEach((r=>{const i=e[r],s=n?n[r]:null;null==i||"object"!=typeof i||Array.isArray(i)?null!=n&&Yc(s,i)||(null==h[t]&&(h[t]={}),h[t][r]=i):Object.keys(i).forEach((e=>{const o=i[e];if(null==n||null==s||!B(s)||!Yc(s[e],o)){null==h[t]&&(h[t]={}),null==h[t][r]&&(h[t][r]={});h[t][r][e]=o}}))}))}));const u=Object.assign(Object.assign({},e),{attrs:Xc(h)?void 0:h});null==u.attrs&&delete u.attrs;const g=u;return 0===g.angle&&delete g.angle,xo(g)}clone(t={}){if(!t.deep){const e=Object.assign({},this.store.get());t.keepId||delete e.id,delete e.parent,delete e.children;return new(0,this.constructor)(e)}return Gw.deepClone(this)[this.id]}findView(t){return t.findViewByCell(this)}startBatch(t,e={},n=this.model){return this.notify("batch:start",{name:t,data:e,cell:this}),n&&n.startBatch(t,Object.assign(Object.assign({},e),{cell:this})),this}stopBatch(t,e={},n=this.model){return n&&n.stopBatch(t,Object.assign(Object.assign({},e),{cell:this})),this.notify("batch:stop",{name:t,data:e,cell:this}),this}batchUpdate(t,e,n){const r=this.model;this.startBatch(t,n,r);const i=e();return this.stopBatch(t,n,r),i}dispose(){this.removeFromParent(),this.store.dispose()}}Gw.defaults={},Gw.attrHooks={},Gw.propHooks=[],n([wf.dispose()],Gw.prototype,"dispose",null),function(t){t.normalizeTools=function(t){return"string"==typeof t?{items:[t]}:Array.isArray(t)?{items:t}:t.items?t:{items:[t]}}}(Gw||(Gw={})),function(t){t.toStringTag=`X6.${t.name}`,t.isCell=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNode&&"function"==typeof r.isEdge&&"function"==typeof r.prop&&"function"==typeof r.attr}}(Gw||(Gw={})),function(t){t.getCommonAncestor=function(...t){const e=t.filter((t=>null!=t)).map((t=>t.getAncestors())).sort(((t,e)=>t.length-e.length));return e.shift().find((t=>e.every((e=>e.includes(t)))))||null},t.getCellsBBox=function(t,e={}){let n=null;for(let r=0,i=t.length;r<i;r+=1){const i=t[r];let s=i.getBBox(e);if(s){if(i.isNode()){const t=i.getAngle();null!=t&&0!==t&&(s=s.bbox(t))}n=null==n?s:n.union(s)}}return n},t.deepClone=function(e){const n=[e,...e.getDescendants({deep:!0})];return t.cloneCells(n)},t.cloneCells=function(t){const e=ud(t),n=e.reduce(((t,e)=>(t[e.id]=e.clone(),t)),{});return e.forEach((t=>{const e=n[t.id];if(e.isEdge()){const t=e.getSourceCellId(),r=e.getTargetCellId();t&&n[t]&&e.setSource(Object.assign(Object.assign({},e.getSource()),{cell:n[t].id})),r&&n[r]&&e.setTarget(Object.assign(Object.assign({},e.getTarget()),{cell:n[r].id}))}const r=t.getParent();r&&n[r.id]&&e.setParent(n[r.id]);const i=t.getChildren();if(i&&i.length){const t=i.reduce(((t,e)=>(n[e.id]&&t.push(n[e.id]),t)),[]);t.length>0&&e.setChildren(t)}})),n}}(Gw||(Gw={})),function(t){t.config({propHooks(n){var{tools:r}=n,i=e(n,["tools"]);return r&&(i.tools=t.normalizeTools(r)),i}})}(Gw||(Gw={})),function(t){let e,n;t.exist=function(t,r){return r?null!=e&&e.exist(t):null!=n&&n.exist(t)},t.setEdgeRegistry=function(t){e=t},t.setNodeRegistry=function(t){n=t}}(zw||(zw={}));class qw{constructor(t){this.ports=[],this.groups={},this.init(xo(t))}getPorts(){return this.ports}getGroup(t){return null!=t?this.groups[t]:null}getPortsByGroup(t){return this.ports.filter((e=>e.group===t||null==e.group&&null==t))}getPortsLayoutByGroup(t,e){const n=this.getPortsByGroup(t),r=t?this.getGroup(t):null,i=r?r.position:null,s=i?i.name:null;let o;if(null!=s){const t=Gb.registry.get(s);if(null==t)return Gb.registry.onNotFound(s);o=t}else o=Gb.presets.left;const a=n.map((t=>t&&t.position&&t.position.args||{})),l=i&&i.args||{};return o(a,e,l).map(((t,r)=>{const i=n[r];return{portLayout:t,portId:i.id,portSize:i.size,portAttrs:i.attrs,labelSize:i.label.size,labelLayout:this.getPortLabelLayout(i,Oy.create(t.position),e)}}))}init(t){const{groups:e,items:n}=t;null!=e&&Object.keys(e).forEach((t=>{this.groups[t]=this.parseGroup(e[t])})),Array.isArray(n)&&n.forEach((t=>{this.ports.push(this.parsePort(t))}))}parseGroup(t){return Object.assign(Object.assign({},t),{label:this.getLabel(t,!0),position:this.getPortPosition(t.position,!0)})}parsePort(t){const e=Object.assign({},t),n=this.getGroup(t.group)||{};return e.markup=e.markup||n.markup,e.attrs=Sh({},n.attrs,e.attrs),e.position=this.createPosition(n,e),e.label=Sh({},n.label,this.getLabel(e)),e.zIndex=this.getZIndex(n,e),e.size=Object.assign(Object.assign({},n.size),e.size),e}getZIndex(t,e){return"number"==typeof e.zIndex?e.zIndex:"number"==typeof t.zIndex||"auto"===t.zIndex?t.zIndex:"auto"}createPosition(t,e){return Sh({name:"left",args:{}},t.position,{args:e.args})}getPortPosition(t,e=!1){if(null==t){if(e)return{name:"left",args:{}}}else{if("string"==typeof t)return{name:t,args:{}};if(Array.isArray(t))return{name:"absolute",args:{x:t[0],y:t[1]}};if("object"==typeof t)return t}return{args:{}}}getPortLabelPosition(t,e=!1){if(null==t){if(e)return{name:"left",args:{}}}else{if("string"==typeof t)return{name:t,args:{}};if("object"==typeof t)return t}return{args:{}}}getLabel(t,e=!1){const n=t.label||{};return n.position=this.getPortLabelPosition(n.position,e),n}getPortLabelLayout(t,e,n){const r=t.label.position.name||"left",i=t.label.position.args||{},s=Kb.registry.get(r)||Kb.presets.left;return s?s(e,n,i):null}}let Ww=class n extends Gw{get[Symbol.toStringTag](){return n.toStringTag}constructor(t={}){super(t),this.initPorts()}preprocess(t,n){const{x:r,y:i,width:s,height:o}=t,a=e(t,["x","y","width","height"]);if(null!=r||null!=i){const t=a.position;a.position=Object.assign(Object.assign({},t),{x:null!=r?r:t?t.x:0,y:null!=i?i:t?t.y:0})}if(null!=s||null!=o){const t=a.size;a.size=Object.assign(Object.assign({},t),{width:null!=s?s:t?t.width:0,height:null!=o?o:t?t.height:0})}return super.preprocess(a,n)}isNode(){return!0}size(t,e,n){return void 0===t?this.getSize():"number"==typeof t?this.setSize(t,e,n):this.setSize(t,e)}getSize(){const t=this.store.get("size");return t?Object.assign({},t):{width:1,height:1}}setSize(t,e,n){return"object"==typeof t?this.resize(t.width,t.height,e):this.resize(t,e,n),this}resize(e,n,r={}){this.startBatch("resize",r);const i=r.direction;if(i){const s=this.getSize();switch(i){case"left":case"right":n=s.height;break;case"top":case"bottom":e=s.width}let o={right:0,"top-right":0,top:1,"top-left":1,left:2,"bottom-left":2,bottom:3,"bottom-right":3}[i];const a=t.Angle.normalize(this.getAngle()||0);r.absolute&&(o+=Math.floor((a+45)/90),o%=4);const l=this.getBBox();let c;c=0===o?l.getBottomLeft():1===o?l.getCorner():2===o?l.getTopRight():l.getOrigin();const h=c.clone().rotate(-a,l.getCenter()),u=Math.sqrt(e*e+n*n)/2;let g=o*Math.PI/2;g+=Math.atan(o%2==0?n/e:e/n),g-=t.Angle.toRad(a);const d=Oy.fromPolar(u,g,h).clone().translate(e/-2,n/-2);this.store.set("size",{width:e,height:n},r),this.setPosition(d.x,d.y,r)}else this.store.set("size",{width:e,height:n},r);return this.stopBatch("resize",r),this}scale(t,e,n,r={}){const i=this.getBBox().scale(t,e,null==n?void 0:n);return this.startBatch("scale",r),this.setPosition(i.x,i.y,r),this.resize(i.width,i.height,r),this.stopBatch("scale"),this}position(t,e,n){return"number"==typeof t?this.setPosition(t,e,n):this.getPosition(t)}getPosition(t={}){if(t.relative){const t=this.getParent();if(null!=t&&t.isNode()){const e=this.getPosition(),n=t.getPosition();return{x:e.x-n.x,y:e.y-n.y}}}const e=this.store.get("position");return e?Object.assign({},e):{x:0,y:0}}setPosition(t,e,n={}){let r,i,s;if("object"==typeof t?(r=t.x,i=t.y,s=e||{}):(r=t,i=e,s=n||{}),s.relative){const t=this.getParent();if(null!=t&&t.isNode()){const e=t.getPosition();r+=e.x,i+=e.y}}if(s.deep){const t=this.getPosition();this.translate(r-t.x,i-t.y,s)}else this.store.set("position",{x:r,y:i},s);return this}translate(e=0,n=0,r={}){if(0===e&&0===n)return this;r.translateBy=r.translateBy||this.id;const i=this.getPosition();if(null!=r.restrict&&r.translateBy===this.id){const t=this.getBBox({deep:!0}),s=r.restrict,o=i.x-t.x,a=i.y-t.y,l=Math.max(s.x+o,Math.min(s.x+s.width+o-t.width,i.x+e)),c=Math.max(s.y+a,Math.min(s.y+s.height+a-t.height,i.y+n));e=l-i.x,n=c-i.y}const s={x:i.x+e,y:i.y+n};return r.tx=e,r.ty=n,r.transition?("object"!=typeof r.transition&&(r.transition={}),this.transition("position",s,Object.assign(Object.assign({},r.transition),{interp:t.Interp.object})),this.eachChild((t=>{var i;(null===(i=r.exclude)||void 0===i?void 0:i.includes(t))||t.translate(e,n,r)}))):(this.startBatch("translate",r),this.store.set("position",s,r),this.eachChild((t=>{var i;(null===(i=r.exclude)||void 0===i?void 0:i.includes(t))||t.translate(e,n,r)})),this.stopBatch("translate",r)),this}angle(t,e){return null==t?this.getAngle():this.rotate(t,e)}getAngle(){return this.store.get("angle",0)}rotate(t,e={}){const n=this.getAngle();if(e.center){const r=this.getSize(),i=this.getPosition(),s=this.getBBox().getCenter();s.rotate(n-t,e.center);const o=s.x-r.width/2-i.x,a=s.y-r.height/2-i.y;this.startBatch("rotate",{angle:t,options:e}),this.setPosition(i.x+o,i.y+a,e),this.rotate(t,Object.assign(Object.assign({},e),{center:null})),this.stopBatch("rotate")}else this.store.set("angle",e.absolute?t:(n+t)%360,e);return this}getBBox(t={}){if(t.deep){const t=this.getDescendants({deep:!0,breadthFirst:!0});return t.push(this),Gw.getCellsBBox(t)}return Ty.fromPositionAndSize(this.getPosition(),this.getSize())}getConnectionPoint(t,e){const n=this.getBBox(),r=n.getCenter(),i=t.getTerminal(e);if(null==i)return r;const s=i.port;if(!s||!this.hasPort(s))return r;const o=this.getPort(s);if(!o||!o.group)return r;const a=this.getPortsPosition(o.group)[s].position,l=Oy.create(a).translate(n.getOrigin()),c=this.getAngle();return c&&l.rotate(-c,r),l}fit(t={}){const e=(this.getChildren()||[]).filter((t=>t.isNode()));if(0===e.length)return this;this.startBatch("fit-embeds",t),t.deep&&e.forEach((e=>e.fit(t)));let{x:n,y:r,width:i,height:s}=Gw.getCellsBBox(e);const o=Rf(t.padding);return n-=o.left,r-=o.top,i+=o.left+o.right,s+=o.bottom+o.top,this.store.set({position:{x:n,y:r},size:{width:i,height:s}},t),this.stopBatch("fit-embeds"),this}get portContainerMarkup(){return this.getPortContainerMarkup()}set portContainerMarkup(t){this.setPortContainerMarkup(t)}getDefaultPortContainerMarkup(){return this.store.get("defaultPortContainerMarkup")||t.Markup.getPortContainerMarkup()}getPortContainerMarkup(){return this.store.get("portContainerMarkup")||this.getDefaultPortContainerMarkup()}setPortContainerMarkup(e,n={}){return this.store.set("portContainerMarkup",t.Markup.clone(e),n),this}get portMarkup(){return this.getPortMarkup()}set portMarkup(t){this.setPortMarkup(t)}getDefaultPortMarkup(){return this.store.get("defaultPortMarkup")||t.Markup.getPortMarkup()}getPortMarkup(){return this.store.get("portMarkup")||this.getDefaultPortMarkup()}setPortMarkup(e,n={}){return this.store.set("portMarkup",t.Markup.clone(e),n),this}get portLabelMarkup(){return this.getPortLabelMarkup()}set portLabelMarkup(t){this.setPortLabelMarkup(t)}getDefaultPortLabelMarkup(){return this.store.get("defaultPortLabelMarkup")||t.Markup.getPortLabelMarkup()}getPortLabelMarkup(){return this.store.get("portLabelMarkup")||this.getDefaultPortLabelMarkup()}setPortLabelMarkup(e,n={}){return this.store.set("portLabelMarkup",t.Markup.clone(e),n),this}get ports(){const t=this.store.get("ports",{items:[]});return null==t.items&&(t.items=[]),t}getPorts(){return xo(this.ports.items)}getPortsByGroup(t){return this.getPorts().filter((e=>e.group===t))}getPort(t){return xo(this.ports.items.find((e=>e.id&&e.id===t)))}getPortAt(t){return this.ports.items[t]||null}hasPorts(){return this.ports.items.length>0}hasPort(t){return-1!==this.getPortIndex(t)}getPortIndex(t){const e="string"==typeof t?t:t.id;return null!=e?this.ports.items.findIndex((t=>t.id===e)):-1}getPortsPosition(t){const e=this.getSize();return this.port.getPortsLayoutByGroup(t,new Ty(0,0,e.width,e.height)).reduce(((t,e)=>{const n=e.portLayout;return t[e.portId]={position:Object.assign({},n.position),angle:n.angle||0},t}),{})}getPortProp(t,e){return this.getPropByPath(this.prefixPortPath(t,e))}setPortProp(t,e,n,r){if("string"==typeof e||Array.isArray(e)){const i=this.prefixPortPath(t,e),s=n;return this.setPropByPath(i,s,r)}const i=this.prefixPortPath(t),s=e;return this.setPropByPath(i,s,n)}removePortProp(t,e,n){return"string"==typeof e||Array.isArray(e)?this.removePropByPath(this.prefixPortPath(t,e),n):this.removePropByPath(this.prefixPortPath(t),e)}portProp(t,e,n,r){return null==e?this.getPortProp(t):"string"==typeof e||Array.isArray(e)?2===arguments.length?this.getPortProp(t,e):null==n?this.removePortProp(t,e,r):this.setPortProp(t,e,n,r):this.setPortProp(t,e,n)}prefixPortPath(t,e){const n=this.getPortIndex(t);if(-1===n)throw new Error(`Unable to find port with id: "${t}"`);return null==e||""===e?["ports","items",`${n}`]:Array.isArray(e)?["ports","items",`${n}`,...e]:`ports/items/${n}/${e}`}addPort(t,e){const n=[...this.ports.items];return n.push(t),this.setPropByPath("ports/items",n,e),this}addPorts(t,e){return this.setPropByPath("ports/items",[...this.ports.items,...t],e),this}insertPort(t,e,n){const r=[...this.ports.items];return r.splice(t,0,e),this.setPropByPath("ports/items",r,n),this}removePort(t,e={}){return this.removePortAt(this.getPortIndex(t),e)}removePortAt(t,e={}){if(t>=0){const n=[...this.ports.items];n.splice(t,1),e.rewrite=!0,this.setPropByPath("ports/items",n,e)}return this}removePorts(t,e){let n;if(Array.isArray(t)){if(n=e||{},t.length){n.rewrite=!0;const e=[...this.ports.items].filter((e=>!t.some((t=>{const n="string"==typeof t?t:t.id;return e.id===n}))));this.setPropByPath("ports/items",e,n)}}else n=t||{},n.rewrite=!0,this.setPropByPath("ports/items",[],n);return this}getParsedPorts(){return this.port.getPorts()}getParsedGroups(){return this.port.groups}getPortsLayoutByGroup(t,e){return this.port.getPortsLayoutByGroup(t,e)}initPorts(){this.updatePortData(),this.on("change:ports",(()=>{this.processRemovedPort(),this.updatePortData()}))}processRemovedPort(){const t=this.ports,e={};t.items.forEach((t=>{t.id&&(e[t.id]=!0)}));const n={};(this.store.getPrevious("ports")||{items:[]}).items.forEach((t=>{t.id&&!e[t.id]&&(n[t.id]=!0)}));const r=this.model;if(r&&!Xc(n)){r.getConnectedEdges(this,{incoming:!0}).forEach((t=>{const e=t.getTargetPortId();e&&n[e]&&t.remove()}));r.getConnectedEdges(this,{outgoing:!0}).forEach((t=>{const e=t.getSourcePortId();e&&n[e]&&t.remove()}))}}validatePorts(){const t={},e=[];return this.ports.items.forEach((n=>{"object"!=typeof n&&e.push(`Invalid port ${n}.`),null==n.id&&(n.id=this.generatePortId()),t[n.id]&&e.push("Duplicitied port id."),t[n.id]=!0})),e}generatePortId(){return jf()}updatePortData(){const t=this.validatePorts();if(t.length>0)throw this.store.set("ports",this.store.getPrevious("ports")),new Error(t.join(" "));const e=this.port?this.port.getPorts():null;this.port=new qw(this.ports);const n=this.port.getPorts(),r=e?n.filter((t=>e.find((e=>e.id===t.id))?null:t)):[...n],i=e?e.filter((t=>n.find((e=>e.id===t.id))?null:t)):[];r.length>0&&this.notify("ports:added",{added:r,cell:this,node:this}),i.length>0&&this.notify("ports:removed",{removed:i,cell:this,node:this})}};Ww.defaults={angle:0,position:{x:0,y:0},size:{width:1,height:1}},function(t){t.toStringTag=`X6.${t.name}`,t.isNode=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNode&&"function"==typeof r.isEdge&&"function"==typeof r.prop&&"function"==typeof r.attr&&"function"==typeof r.size&&"function"==typeof r.position}}(Ww||(Ww={})),function(t){t.config({propHooks(t){var{ports:n}=t,r=e(t,["ports"]);return n&&(r.ports=Array.isArray(n)?{items:n}:n),r}})}(Ww||(Ww={})),function(t){t.registry=Ky.create({type:"node",process(n,r){if(zw.exist(n,!0))throw new Error(`Node with name '${n}' was registered by anthor Edge`);if("function"==typeof r)return r.config({shape:n}),r;let i=t;const{inherit:s}=r,o=e(r,["inherit"]);if(s)if("string"==typeof s){const t=this.get(s);null==t?this.onNotFound(s,"inherited"):i=t}else i=s;null==o.constructorName&&(o.constructorName=n);const a=i.define.call(i,o);return a.config({shape:n}),a}}),zw.setNodeRegistry(t.registry)}(Ww||(Ww={})),function(t){let n=0;t.define=function(r){const{constructorName:i,overwrite:s}=r,o=e(r,["constructorName","overwrite"]),a=df((l=i||o.shape)?Mf(l):(n+=1,`CustomNode${n}`),this);var l;return a.config(o),o.shape&&t.registry.register(o.shape,a,s),a},t.create=function(e){const n=e.shape||"rect",r=t.registry.get(n);return r?new r(e):t.registry.onNotFound(n)}}(Ww||(Ww={}));let Hw=class n extends Gw{get[Symbol.toStringTag](){return n.toStringTag}constructor(t={}){super(t)}preprocess(t,n){const{source:r,sourceCell:i,sourcePort:s,sourcePoint:o,target:a,targetCell:l,targetPort:c,targetPoint:h}=t,u=e(t,["source","sourceCell","sourcePort","sourcePoint","target","targetCell","targetPort","targetPoint"]),g=t=>"string"==typeof t||"number"==typeof t;if(null!=r)if(Gw.isCell(r))u.source={cell:r.id};else if(g(r))u.source={cell:r};else if(Oy.isPoint(r))u.source=r.toJSON();else if(Array.isArray(r))u.source={x:r[0],y:r[1]};else{const t=r.cell;Gw.isCell(t)?u.source=Object.assign(Object.assign({},r),{cell:t.id}):u.source=r}if(null!=i||null!=s){let t=u.source;if(null!=i){const e=g(i)?i:i.id;t?t.cell=e:t=u.source={cell:e}}null!=s&&t&&(t.port=s)}else null!=o&&(u.source=Oy.create(o).toJSON());if(null!=a)if(Gw.isCell(a))u.target={cell:a.id};else if(g(a))u.target={cell:a};else if(Oy.isPoint(a))u.target=a.toJSON();else if(Array.isArray(a))u.target={x:a[0],y:a[1]};else{const t=a.cell;Gw.isCell(t)?u.target=Object.assign(Object.assign({},a),{cell:t.id}):u.target=a}if(null!=l||null!=c){let t=u.target;if(null!=l){const e=g(l)?l:l.id;t?t.cell=e:t=u.target={cell:e}}null!=c&&t&&(t.port=c)}else null!=h&&(u.target=Oy.create(h).toJSON());return super.preprocess(u,n)}setup(){super.setup(),this.on("change:labels",(t=>this.onLabelsChanged(t))),this.on("change:vertices",(t=>this.onVertexsChanged(t)))}isEdge(){return!0}disconnect(t={}){return this.store.set({source:{x:0,y:0},target:{x:0,y:0}},t),this}get source(){return this.getSource()}set source(t){this.setSource(t)}getSource(){return this.getTerminal("source")}getSourceCellId(){return this.source.cell}getSourcePortId(){return this.source.port}setSource(t,e,n={}){return this.setTerminal("source",t,e,n)}get target(){return this.getTarget()}set target(t){this.setTarget(t)}getTarget(){return this.getTerminal("target")}getTargetCellId(){return this.target.cell}getTargetPortId(){return this.target.port}setTarget(t,e,n={}){return this.setTerminal("target",t,e,n)}getTerminal(t){return Object.assign({},this.store.get(t))}setTerminal(t,e,n,r={}){if(Gw.isCell(e))return this.store.set(t,Sh({},n,{cell:e.id}),r),this;const i=e;return Oy.isPoint(e)||null!=i.x&&null!=i.y?(this.store.set(t,Sh({},n,{x:i.x,y:i.y}),r),this):(this.store.set(t,xo(e),r),this)}getSourcePoint(){return this.getTerminalPoint("source")}getTargetPoint(){return this.getTerminalPoint("target")}getTerminalPoint(t){const e=this[t];if(Oy.isPointLike(e))return Oy.create(e);const n=this.getTerminalCell(t);return n?n.getConnectionPoint(this,t):new Oy}getSourceCell(){return this.getTerminalCell("source")}getTargetCell(){return this.getTerminalCell("target")}getTerminalCell(t){if(this.model){const e="source"===t?this.getSourceCellId():this.getTargetCellId();if(e)return this.model.getCell(e)}return null}getSourceNode(){return this.getTerminalNode("source")}getTargetNode(){return this.getTerminalNode("target")}getTerminalNode(t){let e=this;const n={};for(;e&&e.isEdge();){if(n[e.id])return null;n[e.id]=!0,e=e.getTerminalCell(t)}return e&&e.isNode()?e:null}get router(){return this.getRouter()}set router(t){null==t?this.removeRouter():this.setRouter(t)}getRouter(){return this.store.get("router")}setRouter(t,e,n){return"object"==typeof t?this.store.set("router",t,e):this.store.set("router",{name:t,args:e},n),this}removeRouter(t={}){return this.store.remove("router",t),this}get connector(){return this.getConnector()}set connector(t){null==t?this.removeConnector():this.setConnector(t)}getConnector(){return this.store.get("connector")}setConnector(t,e,n){return"object"==typeof t?this.store.set("connector",t,e):this.store.set("connector",{name:t,args:e},n),this}removeConnector(t={}){return this.store.remove("connector",t)}getDefaultLabel(){const t=this.constructor;return xo(this.store.get("defaultLabel")||t.defaultLabel||{})}get labels(){return this.getLabels()}set labels(t){this.setLabels(t)}getLabels(){return[...this.store.get("labels",[])].map((t=>this.parseLabel(t)))}setLabels(t,e={}){return this.store.set("labels",Array.isArray(t)?t:[t],e),this}insertLabel(t,e,n={}){const r=this.getLabels(),i=r.length;let s=null!=e&&Number.isFinite(e)?e:i;return s<0&&(s=i+s+1),r.splice(s,0,this.parseLabel(t)),this.setLabels(r,n)}appendLabel(t,e={}){return this.insertLabel(t,-1,e)}getLabelAt(t){const e=this.getLabels();return null!=t&&Number.isFinite(t)?this.parseLabel(e[t]):null}setLabelAt(t,e,n={}){if(null!=t&&Number.isFinite(t)){const r=this.getLabels();r[t]=this.parseLabel(e),this.setLabels(r,n)}return this}removeLabelAt(t,e={}){const n=this.getLabels(),r=null!=t&&Number.isFinite(t)?t:-1,i=n.splice(r,1);return this.setLabels(n,e),i.length?i[0]:null}parseLabel(t){if("string"==typeof t){return this.constructor.parseStringLabel(t)}return t}onLabelsChanged({previous:t,current:e}){const n=t&&e?e.filter((e=>t.find((t=>e===t||Yc(e,t)))?null:e)):e?[...e]:[],r=t&&e?t.filter((t=>e.find((e=>t===e||Yc(t,e)))?null:t)):t?[...t]:[];n.length>0&&this.notify("labels:added",{added:n,cell:this,edge:this}),r.length>0&&this.notify("labels:removed",{removed:r,cell:this,edge:this})}get vertices(){return this.getVertices()}set vertices(t){this.setVertices(t)}getVertices(){return[...this.store.get("vertices",[])]}setVertices(t,e={}){const n=Array.isArray(t)?t:[t];return this.store.set("vertices",n.map((t=>Oy.toJSON(t))),e),this}insertVertex(t,e,n={}){const r=this.getVertices(),i=r.length;let s=null!=e&&Number.isFinite(e)?e:i;return s<0&&(s=i+s+1),r.splice(s,0,Oy.toJSON(t)),this.setVertices(r,n)}appendVertex(t,e={}){return this.insertVertex(t,-1,e)}getVertexAt(t){if(null!=t&&Number.isFinite(t)){return this.getVertices()[t]}return null}setVertexAt(t,e,n={}){if(null!=t&&Number.isFinite(t)){const r=this.getVertices();r[t]=e,this.setVertices(r,n)}return this}removeVertexAt(t,e={}){const n=this.getVertices(),r=null!=t&&Number.isFinite(t)?t:-1;return n.splice(r,1),this.setVertices(n,e)}onVertexsChanged({previous:t,current:e}){const n=t&&e?e.filter((e=>t.find((t=>Oy.equals(e,t)))?null:e)):e?[...e]:[],r=t&&e?t.filter((t=>e.find((e=>Oy.equals(t,e)))?null:t)):t?[...t]:[];n.length>0&&this.notify("vertexs:added",{added:n,cell:this,edge:this}),r.length>0&&this.notify("vertexs:removed",{removed:r,cell:this,edge:this})}getDefaultMarkup(){return this.store.get("defaultMarkup")||t.Markup.getEdgeMarkup()}getMarkup(){return super.getMarkup()||this.getDefaultMarkup()}translate(t,e,n={}){return n.translateBy=n.translateBy||this.id,n.tx=t,n.ty=e,this.applyToPoints((n=>({x:(n.x||0)+t,y:(n.y||0)+e})),n)}scale(t,e,n,r={}){return this.applyToPoints((r=>Oy.create(r).scale(t,e,n).toJSON()),r)}applyToPoints(t,e={}){const n={},r=this.getSource(),i=this.getTarget();Oy.isPointLike(r)&&(n.source=t(r)),Oy.isPointLike(i)&&(n.target=t(i));const s=this.getVertices();return s.length>0&&(n.vertices=s.map(t)),this.store.set(n,e),this}getBBox(){return this.getPolyline().bbox()}getConnectionPoint(){return this.getPolyline().pointAt(.5)}getPolyline(){const t=[this.getSourcePoint(),...this.getVertices().map((t=>Oy.create(t))),this.getTargetPoint()];return new Ry(t)}updateParent(t){let e=null;const n=this.getSourceCell(),r=this.getTargetCell(),i=this.getParent();return n&&r&&(e=n===r||n.isDescendantOf(r)?r:r.isDescendantOf(n)?n:Gw.getCommonAncestor(n,r)),i&&e&&e.id!==i.id&&i.unembed(this,t),!e||i&&i.id===e.id||e.embed(this,t),e}hasLoop(t={}){const e=this.getSource(),n=this.getTarget(),r=e.cell,i=n.cell;if(!r||!i)return!1;let s=r===i;if(!s&&t.deep&&this._model){const e=this.getSourceCell(),n=this.getTargetCell();e&&n&&(s=e.isAncestorOf(n,t)||n.isAncestorOf(e,t))}return s}getFragmentAncestor(){const t=[this,this.getSourceNode(),this.getTargetNode()].filter((t=>null!=t));return this.getCommonAncestor(...t)}isFragmentDescendantOf(t){const e=this.getFragmentAncestor();return!!e&&(e.id===t.id||e.isDescendantOf(t))}};Hw.defaults={},function(t){t.equalTerminals=function(t,e){const n=t,r=e;return n.cell===r.cell&&(n.port===r.port||null==n.port&&null==r.port)}}(Hw||(Hw={})),function(t){t.defaultLabel={markup:[{tagName:"rect",selector:"body"},{tagName:"text",selector:"label"}],attrs:{text:{fill:"#000",fontSize:14,textAnchor:"middle",textVerticalAnchor:"middle",pointerEvents:"none"},rect:{ref:"label",fill:"#fff",rx:3,ry:3,refWidth:1,refHeight:1,refX:0,refY:0}},position:{distance:.5}},t.parseStringLabel=function(t){return{attrs:{label:{text:t}}}}}(Hw||(Hw={})),function(t){t.toStringTag=`X6.${t.name}`,t.isEdge=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNode&&"function"==typeof r.isEdge&&"function"==typeof r.prop&&"function"==typeof r.attr&&"function"==typeof r.disconnect&&"function"==typeof r.getSource&&"function"==typeof r.getTarget}}(Hw||(Hw={})),function(t){t.registry=Ky.create({type:"edge",process(n,r){if(zw.exist(n,!1))throw new Error(`Edge with name '${n}' was registered by anthor Node`);if("function"==typeof r)return r.config({shape:n}),r;let i=t;const{inherit:s="edge"}=r,o=e(r,["inherit"]);if("string"==typeof s){const t=this.get(s||"edge");null==t&&s?this.onNotFound(s,"inherited"):i=t}else i=s;null==o.constructorName&&(o.constructorName=n);const a=i.define.call(i,o);return a.config({shape:n}),a}}),zw.setEdgeRegistry(t.registry)}(Hw||(Hw={})),function(t){let n=0;t.define=function(r){const{constructorName:i,overwrite:s}=r,o=e(r,["constructorName","overwrite"]),a=df((l=i||o.shape)?Mf(l):(n+=1,`CustomEdge${n}`),this);var l;return a.config(o),o.shape&&t.registry.register(o.shape,a,s),a},t.create=function(e){const n=e.shape||"edge",r=t.registry.get(n);return r?new r(e):t.registry.onNotFound(n)}}(Hw||(Hw={})),function(t){const n="basic.edge";t.config({shape:n,propHooks(n){const{label:r,vertices:i}=n,s=e(n,["label","vertices"]);if(r){null==s.labels&&(s.labels=[]);const e="string"==typeof r?t.parseStringLabel(r):r;s.labels.push(e)}return i&&Array.isArray(i)&&(s.vertices=i.map((t=>Oy.create(t).toJSON()))),s}}),t.registry.register(n,t)}(Hw||(Hw={}));class Jw extends wf{constructor(t,e={}){super(),this.length=0,this.comparator=e.comparator||"zIndex",this.clean(),t&&this.reset(t,{silent:!0})}toJSON(){return this.cells.map((t=>t.toJSON()))}add(t,e,n){let r,i;"number"==typeof e?(r=e,i=Object.assign({merge:!1},n)):(r=this.length,i=Object.assign({merge:!1},e)),r>this.length&&(r=this.length),r<0&&(r+=this.length+1);const s=Array.isArray(t)?t:[t],o=this.comparator&&"number"!=typeof e&&!1!==i.sort,a=this.comparator||null;let l=!1;const c=[],h=[];return s.forEach((t=>{const e=this.get(t);e?i.merge&&!t.isSameStore(e)&&(e.setProp(t.getProp(),n),h.push(e),o&&!l&&(l=null==a||"function"==typeof a?e.hasChanged():"string"==typeof a?e.hasChanged(a):a.some((t=>e.hasChanged(t))))):(c.push(t),this.reference(t))})),c.length&&(o&&(l=!0),this.cells.splice(r,0,...c),this.length=this.cells.length),l&&this.sort({silent:!0}),i.silent||(c.forEach(((t,e)=>{const n={cell:t,index:r+e,options:i};this.trigger("added",n),i.dryrun||t.notify("added",Object.assign({},n))})),l&&this.trigger("sorted"),(c.length||h.length)&&this.trigger("updated",{added:c,merged:h,removed:[],options:i})),this}remove(t,e={}){const n=Array.isArray(t)?t:[t],r=this.removeCells(n,e);return!e.silent&&r.length>0&&this.trigger("updated",{options:e,removed:r,added:[],merged:[]}),Array.isArray(t)?r:r[0]}removeCells(t,e){const n=[];for(let r=0;r<t.length;r+=1){const i=this.get(t[r]);if(null==i)continue;const s=this.cells.indexOf(i);this.cells.splice(s,1),this.length-=1,delete this.map[i.id],n.push(i),this.unreference(i),e.dryrun||i.remove(),e.silent||(this.trigger("removed",{cell:i,index:s,options:e}),e.dryrun||i.notify("removed",{cell:i,index:s,options:e}))}return n}reset(t,e={}){const n=this.cells.slice();if(n.forEach((t=>this.unreference(t))),this.clean(),this.add(t,Object.assign({silent:!0},e)),!e.silent){const t=this.cells.slice();this.trigger("reseted",{options:e,previous:n,current:t});const r=[],i=[];t.forEach((t=>{n.some((e=>e.id===t.id))||r.push(t)})),n.forEach((e=>{t.some((t=>t.id===e.id))||i.push(e)})),this.trigger("updated",{options:e,added:r,removed:i,merged:[]})}return this}push(t,e){return this.add(t,this.length,e)}pop(t){const e=this.at(this.length-1);return this.remove(e,t)}unshift(t,e){return this.add(t,0,e)}shift(t){const e=this.at(0);return this.remove(e,t)}get(t){if(null==t)return null;const e="string"==typeof t||"number"==typeof t?t:t.id;return this.map[e]||null}has(t){return null!=this.get(t)}at(t){return t<0&&(t+=this.length),this.cells[t]||null}first(){return this.at(0)}last(){return this.at(-1)}indexOf(t){return this.cells.indexOf(t)}toArray(){return this.cells.slice()}sort(t={}){return null!=this.comparator&&(this.cells=hg(this.cells,this.comparator),t.silent||this.trigger("sorted")),this}clone(){return new(0,this.constructor)(this.cells.slice(),{comparator:this.comparator})}reference(t){this.map[t.id]=t,t.on("*",this.notifyCellEvent,this)}unreference(t){t.off("*",this.notifyCellEvent,this),delete this.map[t.id]}notifyCellEvent(t,e){const n=e.cell;this.trigger(`cell:${t}`,e),n&&(n.isNode()?this.trigger(`node:${t}`,Object.assign(Object.assign({},e),{node:n})):n.isEdge()&&this.trigger(`edge:${t}`,Object.assign(Object.assign({},e),{edge:n})))}clean(){this.length=0,this.cells=[],this.map={}}dispose(){this.reset([])}}n([Jw.dispose()],Jw.prototype,"dispose",null);class Xw extends wf{get[Symbol.toStringTag](){return Xw.toStringTag}constructor(t=[]){super(),this.batches={},this.addings=new WeakMap,this.nodes={},this.edges={},this.outgoings={},this.incomings={},this.collection=new Jw(t),this.setup()}notify(t,e){this.trigger(t,e);const n=this.graph;return n&&("sorted"===t||"reseted"===t||"updated"===t?n.trigger(`model:${t}`,e):n.trigger(t,e)),this}setup(){const t=this.collection;t.on("sorted",(()=>this.notify("sorted",null))),t.on("updated",(t=>this.notify("updated",t))),t.on("cell:change:zIndex",(()=>this.sortOnChangeZ())),t.on("added",(({cell:t})=>{this.onCellAdded(t)})),t.on("removed",(t=>{const e=t.cell;this.onCellRemoved(e,t.options),this.notify("cell:removed",t),e.isNode()?this.notify("node:removed",Object.assign(Object.assign({},t),{node:e})):e.isEdge()&&this.notify("edge:removed",Object.assign(Object.assign({},t),{edge:e}))})),t.on("reseted",(t=>{this.onReset(t.current),this.notify("reseted",t)})),t.on("edge:change:source",(({edge:t})=>this.onEdgeTerminalChanged(t,"source"))),t.on("edge:change:target",(({edge:t})=>{this.onEdgeTerminalChanged(t,"target")}))}sortOnChangeZ(){this.collection.sort()}onCellAdded(t){const e=t.id;t.isEdge()?(t.updateParent(),this.edges[e]=!0,this.onEdgeTerminalChanged(t,"source"),this.onEdgeTerminalChanged(t,"target")):this.nodes[e]=!0}onCellRemoved(t,e){const n=t.id;if(t.isEdge()){delete this.edges[n];const e=t.getSource(),r=t.getTarget();if(e&&e.cell){const t=this.outgoings[e.cell],r=t?t.indexOf(n):-1;r>=0&&(t.splice(r,1),0===t.length&&delete this.outgoings[e.cell])}if(r&&r.cell){const t=this.incomings[r.cell],e=t?t.indexOf(n):-1;e>=0&&(t.splice(e,1),0===t.length&&delete this.incomings[r.cell])}}else delete this.nodes[n];e.clear||(e.disconnectEdges?this.disconnectConnectedEdges(t,e):this.removeConnectedEdges(t,e)),t.model===this&&(t.model=null)}onReset(t){this.nodes={},this.edges={},this.outgoings={},this.incomings={},t.forEach((t=>this.onCellAdded(t)))}onEdgeTerminalChanged(t,e){const n="source"===e?this.outgoings:this.incomings,r=t.previous(e);if(r&&r.cell){const e=Gw.isCell(r.cell)?r.cell.id:r.cell,i=n[e],s=i?i.indexOf(t.id):-1;s>=0&&(i.splice(s,1),0===i.length&&delete n[e])}const i=t.getTerminal(e);if(i&&i.cell){const e=Gw.isCell(i.cell)?i.cell.id:i.cell,r=n[e]||[];-1===r.indexOf(t.id)&&r.push(t.id),n[e]=r}}prepareCell(t,e){return t.model||e&&e.dryrun||(t.model=this),null==t.zIndex&&t.setZIndex(this.getMaxZIndex()+1,{silent:!0}),t}resetCells(t,e={}){return t.map((t=>this.prepareCell(t,Object.assign(Object.assign({},e),{dryrun:!0})))),this.collection.reset(t,e),t.map((t=>this.prepareCell(t,{options:e}))),this}clear(t={}){const e=this.getCells();if(0===e.length)return this;const n=Object.assign(Object.assign({},t),{clear:!0});return this.batchUpdate("clear",(()=>{const t=e.sort(((t,e)=>(t.isEdge()?1:2)-(e.isEdge()?1:2)));for(;t.length>0;){const e=t.shift();e&&e.remove(n)}}),n),this}addNode(t,e={}){const n=Ww.isNode(t)?t:this.createNode(t);return this.addCell(n,e),n}updateNode(t,e={}){const n=this.createNode(t),r=n.getProp();return n.dispose(),this.updateCell(r,e)}createNode(t){return Ww.create(t)}addEdge(t,e={}){const n=Hw.isEdge(t)?t:this.createEdge(t);return this.addCell(n,e),n}createEdge(t){return Hw.create(t)}updateEdge(t,e={}){const n=this.createEdge(t),r=n.getProp();return n.dispose(),this.updateCell(r,e)}addCell(t,e={}){return Array.isArray(t)?this.addCells(t,e):(this.collection.has(t)||this.addings.has(t)||(this.addings.set(t,!0),this.collection.add(this.prepareCell(t,e),e),t.eachChild((t=>this.addCell(t,e))),this.addings.delete(t)),this)}addCells(t,e={}){const n=t.length;if(0===n)return this;const r=Object.assign(Object.assign({},e),{position:n-1,maxPosition:n-1});return this.startBatch("add",Object.assign(Object.assign({},r),{cells:t})),t.forEach((t=>{this.addCell(t,r),r.position-=1})),this.stopBatch("add",Object.assign(Object.assign({},r),{cells:t})),this}updateCell(t,e={}){const n=t.id&&this.getCell(t.id);return!!n&&this.batchUpdate("update",(()=>(Object.entries(t).forEach((([t,r])=>n.setProp(t,r,e))),!0)),t)}removeCell(t,e={}){const n="string"==typeof t?this.getCell(t):t;return n&&this.has(n)?this.collection.remove(n,e):null}updateCellId(t,e){if(t.id===e)return;this.startBatch("update",{id:e}),t.prop("id",e);const n=t.clone({keepId:!0});this.addCell(n);return this.getConnectedEdges(t).forEach((n=>{const r=n.getSourceCell(),i=n.getTargetCell();r===t&&n.setSource(Object.assign(Object.assign({},n.getSource()),{cell:e})),i===t&&n.setTarget(Object.assign(Object.assign({},n.getTarget()),{cell:e}))})),this.removeCell(t),this.stopBatch("update",{id:e}),n}removeCells(t,e={}){return t.length?this.batchUpdate("remove",(()=>t.map((t=>this.removeCell(t,e))))):[]}removeConnectedEdges(t,e={}){const n=this.getConnectedEdges(t);return n.forEach((t=>{t.remove(e)})),n}disconnectConnectedEdges(t,e={}){const n="string"==typeof t?t:t.id;this.getConnectedEdges(t).forEach((t=>{const r=t.getSourceCellId(),i=t.getTargetCellId();r===n&&t.setSource({x:0,y:0},e),i===n&&t.setTarget({x:0,y:0},e)}))}has(t){return this.collection.has(t)}total(){return this.collection.length}indexOf(t){return this.collection.indexOf(t)}getCell(t){return this.collection.get(t)}getCells(){return this.collection.toArray()}getFirstCell(){return this.collection.first()}getLastCell(){return this.collection.last()}getMinZIndex(){const t=this.collection.first();return t&&t.getZIndex()||0}getMaxZIndex(){const t=this.collection.last();return t&&t.getZIndex()||0}getCellsFromCache(t){return t?Object.keys(t).map((t=>this.getCell(t))).filter((t=>null!=t)):[]}getNodes(){return this.getCellsFromCache(this.nodes)}getEdges(){return this.getCellsFromCache(this.edges)}getOutgoingEdges(t){const e="string"==typeof t?t:t.id,n=this.outgoings[e];return n?n.map((t=>this.getCell(t))).filter((t=>t&&t.isEdge())):null}getIncomingEdges(t){const e="string"==typeof t?t:t.id,n=this.incomings[e];return n?n.map((t=>this.getCell(t))).filter((t=>t&&t.isEdge())):null}getConnectedEdges(t,e={}){const n=[],r="string"==typeof t?this.getCell(t):t;if(null==r)return n;const i={},s=e.indirect;let o=e.incoming,a=e.outgoing;null==o&&null==a&&(o=a=!0);const l=(t,e)=>{const r=e?this.getOutgoingEdges(t):this.getIncomingEdges(t);if(null!=r&&r.forEach((t=>{i[t.id]||(n.push(t),i[t.id]=!0,s&&(o&&l(t,!1),a&&l(t,!0)))})),s&&t.isEdge()){const r=e?t.getTargetCell():t.getSourceCell();r&&r.isEdge()&&(i[r.id]||(n.push(r),l(r,e)))}};if(a&&l(r,!0),o&&l(r,!1),e.deep){const t=r.getDescendants({deep:!0}),s={};t.forEach((t=>{t.isNode()&&(s[t.id]=!0)}));const l=(t,r)=>{const o=r?this.getOutgoingEdges(t.id):this.getIncomingEdges(t.id);null!=o&&o.forEach((t=>{if(!i[t.id]){const r=t.getSourceCell(),o=t.getTargetCell();if(!e.enclosed&&r&&s[r.id]&&o&&s[o.id])return;n.push(t),i[t.id]=!0}}))};t.forEach((t=>{t.isEdge()||(a&&l(t,!0),o&&l(t,!1))}))}return n}isBoundary(t,e){const n="string"==typeof t?this.getCell(t):t,r=e?this.getIncomingEdges(n):this.getOutgoingEdges(n);return null==r||0===r.length}getBoundaryNodes(t){const e=[];return Object.keys(this.nodes).forEach((n=>{if(this.isBoundary(n,t)){const t=this.getCell(n);t&&e.push(t)}})),e}getRoots(){return this.getBoundaryNodes(!0)}getLeafs(){return this.getBoundaryNodes(!1)}isRoot(t){return this.isBoundary(t,!0)}isLeaf(t){return this.isBoundary(t,!1)}getNeighbors(t,e={}){let n=e.incoming,r=e.outgoing;null==n&&null==r&&(n=r=!0);const i=this.getConnectedEdges(t,e).reduce(((i,s)=>{const o=s.hasLoop(e),a=s.getSourceCell(),l=s.getTargetCell();return n&&a&&a.isNode()&&!i[a.id]&&(!o&&(a===t||e.deep&&a.isDescendantOf(t))||(i[a.id]=a)),r&&l&&l.isNode()&&!i[l.id]&&(!o&&(l===t||e.deep&&l.isDescendantOf(t))||(i[l.id]=l)),i}),{});if(t.isEdge()){if(n){const e=t.getSourceCell();e&&e.isNode()&&!i[e.id]&&(i[e.id]=e)}if(r){const e=t.getTargetCell();e&&e.isNode()&&!i[e.id]&&(i[e.id]=e)}}return Object.keys(i).map((t=>i[t]))}isNeighbor(t,e,n={}){let r=n.incoming,i=n.outgoing;return null==r&&null==i&&(r=i=!0),this.getConnectedEdges(t,n).some((t=>{const n=t.getSourceCell(),s=t.getTargetCell();return!(!r||!n||n.id!==e.id)||!(!i||!s||s.id!==e.id)}))}getSuccessors(t,e={}){const n=[];return this.search(t,((r,i)=>{r!==t&&this.matchDistance(i,e.distance)&&n.push(r)}),Object.assign(Object.assign({},e),{outgoing:!0})),n}isSuccessor(t,e,n={}){let r=!1;return this.search(t,((i,s)=>{if(i===e&&i!==t&&this.matchDistance(s,n.distance))return r=!0,!1}),Object.assign(Object.assign({},n),{outgoing:!0})),r}getPredecessors(t,e={}){const n=[];return this.search(t,((r,i)=>{r!==t&&this.matchDistance(i,e.distance)&&n.push(r)}),Object.assign(Object.assign({},e),{incoming:!0})),n}isPredecessor(t,e,n={}){let r=!1;return this.search(t,((i,s)=>{if(i===e&&i!==t&&this.matchDistance(s,n.distance))return r=!0,!1}),Object.assign(Object.assign({},n),{incoming:!0})),r}matchDistance(t,e){return null==e||("function"==typeof e?e(t):!(!Array.isArray(e)||!e.includes(t))||t===e)}getCommonAncestor(...t){const e=[];return t.forEach((t=>{t&&(Array.isArray(t)?e.push(...t):e.push(t))})),Gw.getCommonAncestor(...e)}getSubGraph(t,e={}){const n=[],r={},i=[],s=[],o=t=>{r[t.id]||(n.push(t),r[t.id]=t,t.isEdge()&&s.push(t),t.isNode()&&i.push(t))};return t.forEach((t=>{if(o(t),e.deep){t.getDescendants({deep:!0}).forEach((t=>o(t)))}})),s.forEach((t=>{const e=t.getSourceCell(),s=t.getTargetCell();e&&!r[e.id]&&(n.push(e),r[e.id]=e,e.isNode()&&i.push(e)),s&&!r[s.id]&&(n.push(s),r[s.id]=s,s.isNode()&&i.push(s))})),i.forEach((t=>{this.getConnectedEdges(t,e).forEach((t=>{const e=t.getSourceCell(),i=t.getTargetCell();!r[t.id]&&e&&r[e.id]&&i&&r[i.id]&&(n.push(t),r[t.id]=t)}))})),n}cloneSubGraph(t,e={}){const n=this.getSubGraph(t,e);return this.cloneCells(n)}cloneCells(t){return Gw.cloneCells(t)}getNodesFromPoint(t,e){const n="number"==typeof t?{x:t,y:e||0}:t;return this.getNodes().filter((t=>t.getBBox().containsPoint(n)))}getNodesInArea(t,e,n,r,i){const s="number"==typeof t?new Ty(t,e,n,r):Ty.create(t),o="number"==typeof t?i:e,a=o&&o.strict;return this.getNodes().filter((t=>{const e=t.getBBox();return a?s.containsRect(e):s.isIntersectWithRect(e)}))}getEdgesInArea(t,e,n,r,i){const s="number"==typeof t?new Ty(t,e,n,r):Ty.create(t),o="number"==typeof t?i:e,a=o&&o.strict;return this.getEdges().filter((t=>{const e=t.getBBox();return 0===e.width?e.inflate(1,0):0===e.height&&e.inflate(0,1),a?s.containsRect(e):s.isIntersectWithRect(e)}))}getNodesUnderNode(t,e={}){const n=t.getBBox();return(null==e.by||"bbox"===e.by?this.getNodesInArea(n):this.getNodesFromPoint(n[e.by])).filter((e=>t.id!==e.id&&!e.isDescendantOf(t)))}getAllCellsBBox(){return this.getCellsBBox(this.getCells())}getCellsBBox(t,e={}){return Gw.getCellsBBox(t,e)}search(t,e,n={}){n.breadthFirst?this.breadthFirstSearch(t,e,n):this.depthFirstSearch(t,e,n)}breadthFirstSearch(t,e,n={}){const r=[],i={},s={};for(r.push(t),s[t.id]=0;r.length>0;){const t=r.shift();if(null==t||i[t.id])continue;if(i[t.id]=!0,!1===ef(e,this,t,s[t.id]))continue;this.getNeighbors(t,n).forEach((e=>{s[e.id]=s[t.id]+1,r.push(e)}))}}depthFirstSearch(t,e,n={}){const r=[],i={},s={};for(r.push(t),s[t.id]=0;r.length>0;){const t=r.pop();if(null==t||i[t.id])continue;if(i[t.id]=!0,!1===ef(e,this,t,s[t.id]))continue;const o=this.getNeighbors(t,n),a=r.length;o.forEach((e=>{s[e.id]=s[t.id]+1,r.splice(a,0,e)}))}}getShortestPath(e,n,r={}){const i={};this.getEdges().forEach((t=>{const e=t.getSourceCellId(),n=t.getTargetCellId();e&&n&&(i[e]||(i[e]=[]),i[n]||(i[n]=[]),i[e].push(n),r.directed||i[n].push(e))}));const s="string"==typeof e?e:e.id,o=t.Dijkstra.run(i,s,r.weight),a=[];let l="string"==typeof n?n:n.id;for(o[l]&&a.push(l);l=o[l];)a.unshift(l);return a}translate(t,e,n){return this.getCells().filter((t=>!t.hasParent())).forEach((r=>r.translate(t,e,n))),this}resize(t,e,n){return this.resizeCells(t,e,this.getCells(),n)}resizeCells(t,e,n,r={}){const i=this.getCellsBBox(n);if(i){const s=Math.max(t/i.width,0),o=Math.max(e/i.height,0),a=i.getOrigin();n.forEach((t=>t.scale(s,o,a,r)))}return this}toJSON(t={}){return Xw.toJSON(this.getCells(),t)}parseJSON(t){return Xw.fromJSON(t)}fromJSON(t,e={}){const n=this.parseJSON(t);return this.resetCells(n,e),this}startBatch(t,e={}){return this.batches[t]=(this.batches[t]||0)+1,this.notify("batch:start",{name:t,data:e}),this}stopBatch(t,e={}){return this.batches[t]=(this.batches[t]||0)-1,this.notify("batch:stop",{name:t,data:e}),this}batchUpdate(t,e,n={}){this.startBatch(t,n);const r=e();return this.stopBatch(t,n),r}hasActiveBatch(t=Object.keys(this.batches)){return(Array.isArray(t)?t:[t]).some((t=>this.batches[t]>0))}dispose(){this.collection.dispose()}}n([Xw.dispose()],Xw.prototype,"dispose",null),function(t){t.toStringTag=`X6.${t.name}`,t.isModel=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.addNode&&"function"==typeof r.addEdge&&null!=r.collection}}(Xw||(Xw={})),function(t){t.toJSON=function(t,e={}){return{cells:t.map((t=>t.toJSON(e)))}},t.fromJSON=function(t){const e=[];return Array.isArray(t)?e.push(...t):(t.cells&&e.push(...t.cells),t.nodes&&t.nodes.forEach((t=>{null==t.shape&&(t.shape="rect"),e.push(t)})),t.edges&&t.edges.forEach((t=>{null==t.shape&&(t.shape="edge"),e.push(t)}))),e.map((t=>{const e=t.shape;if(e){if(Ww.registry.exist(e))return Ww.create(t);if(Hw.registry.exist(e))return Hw.create(t)}throw new Error("The `shape` should be specified when creating a node/edge instance")}))}}(Xw||(Xw={}));let Yw=class extends Ww{get label(){return this.getLabel()}set label(t){this.setLabel(t)}getLabel(){return this.getAttrByPath("text/text")}setLabel(t,e){return null==t?this.removeLabel():this.setAttrByPath("text/text",t,e),this}removeLabel(){return this.removeAttrByPath("text/text"),this}};function Zw(t,e="body"){return[{tagName:t,selector:e},{tagName:"text",selector:"label"}]}function Kw(t,e,n={}){const r={constructorName:t,markup:Zw(t,n.selector),attrs:{[t]:Object.assign({},Yw.bodyAttr)}};return(n.parent||Yw).define(Sh(r,e,{shape:t}))}!function(t){t.bodyAttr={fill:"#ffffff",stroke:"#333333",strokeWidth:2},t.labelAttr={fontSize:14,fill:"#000000",refX:.5,refY:.5,textAnchor:"middle",textVerticalAnchor:"middle",fontFamily:"Arial, helvetica, sans-serif"},t.config({attrs:{text:Object.assign({},t.labelAttr)},propHooks(t){const{label:n}=t,r=e(t,["label"]);return n&&yf(r,"attrs/text/text",n),r},visible:!0})}(Yw||(Yw={}));const Qw=Kw("rect",{attrs:{body:{refWidth:"100%",refHeight:"100%"}}}),tA=Hw.define({shape:"edge",markup:[{tagName:"path",selector:"wrap",groupSelector:"lines",attrs:{fill:"none",cursor:"pointer",stroke:"transparent",strokeLinecap:"round"}},{tagName:"path",selector:"line",groupSelector:"lines",attrs:{fill:"none",pointerEvents:"none"}}],attrs:{lines:{connection:!0,strokeLinejoin:"round"},wrap:{strokeWidth:10},line:{stroke:"#333",strokeWidth:2,targetMarker:"classic"}}}),eA=Kw("ellipse",{attrs:{body:{refCx:"50%",refCy:"50%",refRx:"50%",refRy:"50%"}}});class nA extends Yw{get points(){return this.getPoints()}set points(t){this.setPoints(t)}getPoints(){return this.getAttrByPath("body/refPoints")}setPoints(t,e){return null==t?this.removePoints():this.setAttrByPath("body/refPoints",nA.pointsToString(t),e),this}removePoints(){return this.removeAttrByPath("body/refPoints"),this}}!function(t){function n(t){return"string"==typeof t?t:t.map((t=>Array.isArray(t)?t.join(","):Oy.isPointLike(t)?`${t.x}, ${t.y}`:"")).join(" ")}t.pointsToString=n,t.config({propHooks(t){const{points:r}=t,i=e(t,["points"]);if(r){const t=n(r);t&&yf(i,"attrs/body/refPoints",t)}return i}})}(nA||(nA={}));const rA=Kw("polygon",{},{parent:nA}),iA=Kw("polyline",{},{parent:nA}),sA=Yw.define({shape:"path",markup:[{tagName:"rect",selector:"bg"},{tagName:"path",selector:"body"},{tagName:"text",selector:"label"}],attrs:{bg:{refWidth:"100%",refHeight:"100%",fill:"none",stroke:"none",pointerEvents:"all"},body:{fill:"none",stroke:"#000",strokeWidth:2}},propHooks(t){const{path:n}=t,r=e(t,["path"]);return n&&yf(r,"attrs/body/refD",n),r}}),oA=Yw.define({shape:"text-block",markup:[{tagName:"rect",selector:"body"},t.Platform.SUPPORT_FOREIGNOBJECT?{tagName:"foreignObject",selector:"foreignObject",children:[{tagName:"div",ns:pp.xhtml,selector:"label",style:{width:"100%",height:"100%",position:"static",backgroundColor:"transparent",textAlign:"center",margin:0,padding:"0px 5px",boxSizing:"border-box",display:"flex",alignItems:"center",justifyContent:"center"}}]}:{tagName:"text",selector:"label",attrs:{textAnchor:"middle"}}],attrs:{body:Object.assign(Object.assign({},Yw.bodyAttr),{refWidth:"100%",refHeight:"100%"}),foreignObject:{refWidth:"100%",refHeight:"100%"},label:{style:{fontSize:14}}},propHooks(t){const{text:n}=t,r=e(t,["text"]);return n&&yf(r,"attrs/label/text",n),r},attrHooks:{text:{set(t,{cell:e,view:n,refBBox:r,elem:i,attrs:s}){if(!(i instanceof HTMLElement)){const o=s.style||{},a={text:t,width:-5,height:"100%"},l=Object.assign({textVerticalAnchor:"middle"},o);return ef(Ob.presets.textWrap.set,this,a,{cell:e,view:n,elem:i,refBBox:r,attrs:l}),{fill:o.color||null}}i.textContent=t},position(t,{refBBox:e,elem:n}){if(n instanceof SVGElement)return e.getCenter()}}}}),aA=Kw("image",{attrs:{image:{refWidth:"100%",refHeight:"100%"}},propHooks:function(t="xlink:href"){return n=>{const{imageUrl:r,imageWidth:i,imageHeight:s}=n,o=e(n,["imageUrl","imageWidth","imageHeight"]);if(null!=r||null!=i||null!=s){const e=()=>{if(o.attrs){const e=o.attrs.image;null!=r&&(e[t]=r),null!=i&&(e.width=i),null!=s&&(e.height=s),o.attrs.image=e}};o.attrs?(null==o.attrs.image&&(o.attrs.image={}),e()):(o.attrs={image:{}},e())}return o}}()},{selector:"image"}),lA=Kw("circle",{attrs:{body:{refCx:"50%",refCy:"50%",refR:"50%"}}});class cA extends sx{constructor(){super(...arguments),this.portsCache={}}get[Symbol.toStringTag](){return cA.toStringTag}getContainerClassName(){const t=[super.getContainerClassName(),this.prefixClassName("node")];return this.can("nodeMovable")||t.push(this.prefixClassName("node-immovable")),t.join(" ")}updateClassName(t){const e=t.target;if(e.hasAttribute("magnet")){const t=this.prefixClassName("port-unconnectable");this.can("magnetConnectable")?cp(e,t):lp(e,t)}else{const t=this.prefixClassName("node-immovable");this.can("nodeMovable")?this.removeClass(t):this.addClass(t)}}isNodeView(){return!0}confirmUpdate(t,e={}){let n=t;return this.hasAction(n,"ports")&&(this.removePorts(),this.cleanPortsCache()),this.hasAction(n,"render")?(this.render(),n=this.removeAction(n,["render","update","resize","translate","rotate","ports","tools"])):(n=this.handleAction(n,"resize",(()=>this.resize()),"update"),n=this.handleAction(n,"update",(()=>this.update()),kb.useCSSSelector?"ports":null),n=this.handleAction(n,"translate",(()=>this.translate())),n=this.handleAction(n,"rotate",(()=>this.rotate())),n=this.handleAction(n,"ports",(()=>this.renderPorts())),n=this.handleAction(n,"tools",(()=>{this.getFlag("tools")===t?this.renderTools():this.updateTools(e)}))),n}update(t){this.cleanCache(),kb.useCSSSelector&&this.removePorts();const e=this.cell,n=e.getSize(),r=e.getAttrs();this.updateAttrs(this.container,r,{attrs:t===r?null:t,rootBBox:new Ty(0,0,n.width,n.height),selectors:this.selectors}),kb.useCSSSelector&&this.renderPorts()}renderMarkup(){const t=this.cell.markup;if(t){if("string"==typeof t)throw new TypeError("Not support string markup.");return this.renderJSONMarkup(t)}throw new TypeError("Invalid node markup.")}renderJSONMarkup(t){const e=this.parseJSONMarkup(t,this.container);this.selectors=e.selectors,this.container.appendChild(e.fragment)}render(){return this.empty(),this.renderMarkup(),this.resize(),this.updateTransform(),kb.useCSSSelector||this.renderPorts(),this.renderTools(),this}resize(){this.cell.getAngle()&&this.rotate(),this.update()}translate(){this.updateTransform()}rotate(){this.updateTransform()}getTranslationString(){const t=this.cell.getPosition();return`translate(${t.x},${t.y})`}getRotationString(){const t=this.cell.getAngle();if(t){const e=this.cell.getSize();return`rotate(${t},${e.width/2},${e.height/2})`}}updateTransform(){let t=this.getTranslationString();const e=this.getRotationString();e&&(t+=` ${e}`),this.container.setAttribute("transform",t)}findPortElem(t,e){const n=t?this.portsCache[t]:null;if(!n)return null;const r=n.portContentElement,i=n.portContentSelectors||{};return this.findOne(e,r,i)}cleanPortsCache(){this.portsCache={}}removePorts(){Object.values(this.portsCache).forEach((t=>{Op(t.portElement)}))}renderPorts(){const t=this.container,e=[];t.childNodes.forEach((t=>{e.push(t)}));const n=this.cell.getParsedPorts(),r=oc(n,"zIndex"),i="auto";r[i]&&r[i].forEach((n=>{const r=this.getPortElement(n);t.append(r),e.push(r)})),Object.keys(r).forEach((t=>{if(t!==i){const n=parseInt(t,10);this.appendPorts(r[t],n,e)}})),this.updatePorts()}appendPorts(t,e,n){const r=t.map((t=>this.getPortElement(t)));n[e]||e<0?jp(n[Math.max(e,0)],r):kp(this.container,r)}getPortElement(t){const e=this.portsCache[t.id];return e?e.portElement:this.createPortElement(t)}createPortElement(e){let n=t.Markup.renderMarkup(this.cell.getPortContainerMarkup());const r=n.elem;if(null==r)throw new Error("Invalid port container markup.");n=t.Markup.renderMarkup(this.getPortMarkup(e));const i=n.elem,s=n.selectors;if(null==i)throw new Error("Invalid port markup.");this.setAttrs({port:e.id,"port-group":e.group},i);let o="x6-port";e.group&&(o+=` x6-port-${e.group}`),lp(r,o),lp(r,"x6-port"),lp(i,"x6-port-body"),r.appendChild(i);let a,l,c=s;if(this.existPortLabel(e)){if(n=t.Markup.renderMarkup(this.getPortLabelMarkup(e.label)),a=n.elem,l=n.selectors,null==a)throw new Error("Invalid port label markup.");if(s&&l){for(const t in l)if(s[t]&&t!==this.rootSelector)throw new Error("Selectors within port must be unique.");c=Object.assign(Object.assign({},s),l)}lp(a,"x6-port-label"),r.appendChild(a)}return this.portsCache[e.id]={portElement:r,portSelectors:c,portLabelElement:a,portLabelSelectors:l,portContentElement:i,portContentSelectors:s},this.graph.options.onPortRendered&&this.graph.options.onPortRendered({port:e,node:this.cell,container:r,selectors:c,labelContainer:a,labelSelectors:l,contentContainer:i,contentSelectors:s}),r}updatePorts(){const t=this.cell.getParsedGroups(),e=Object.keys(t);0===e.length?this.updatePortGroup():e.forEach((t=>this.updatePortGroup(t)))}updatePortGroup(t){const e=Ty.fromSize(this.cell.getSize()),n=this.cell.getPortsLayoutByGroup(t,e);for(let t=0,e=n.length;t<e;t+=1){const e=n[t],r=e.portId,i=this.portsCache[r]||{},s=e.portLayout;if(this.applyPortTransform(i.portElement,s),null!=e.portAttrs){const t={selectors:i.portSelectors||{}};e.portSize&&(t.rootBBox=Ty.fromSize(e.portSize)),this.updateAttrs(i.portElement,e.portAttrs,t)}const o=e.labelLayout;if(o&&i.portLabelElement&&(this.applyPortTransform(i.portLabelElement,o,-(s.angle||0)),o.attrs)){const t={selectors:i.portLabelSelectors||{}};e.labelSize&&(t.rootBBox=Ty.fromSize(e.labelSize)),this.updateAttrs(i.portLabelElement,o.attrs,t)}}}applyPortTransform(t,e,n=0){const r=e.angle,i=e.position;Ym(t,zm().rotate(n).translate(i.x||0,i.y||0).rotate(r||0),{absolute:!0})}getPortMarkup(t){return t.markup||this.cell.portMarkup}getPortLabelMarkup(t){return t.markup||this.cell.portLabelMarkup}existPortLabel(t){return t.attrs&&t.attrs.text}getEventArgs(t,e,n){const r=this,i=r.cell;return null==e||null==n?{e:t,view:r,node:i,cell:i}:{e:t,x:e,y:n,view:r,node:i,cell:i}}getPortEventArgs(t,e,n){const r=this,i=r.cell,s=i;return n?{e:t,x:n.x,y:n.y,view:r,node:i,cell:s,port:e}:{e:t,view:r,node:i,cell:s,port:e}}notifyMouseDown(t,e,n){super.onMouseDown(t,e,n),this.notify("node:mousedown",this.getEventArgs(t,e,n))}notifyMouseMove(t,e,n){super.onMouseMove(t,e,n),this.notify("node:mousemove",this.getEventArgs(t,e,n))}notifyMouseUp(t,e,n){super.onMouseUp(t,e,n),this.notify("node:mouseup",this.getEventArgs(t,e,n))}notifyPortEvent(t,e,n){const r=this.findAttr("port",e.target);if(r){const i=e.type;"node:port:mouseenter"===t?e.type="mouseenter":"node:port:mouseleave"===t&&(e.type="mouseleave"),this.notify(t,this.getPortEventArgs(e,r,n)),e.type=i}}onClick(t,e,n){super.onClick(t,e,n),this.notify("node:click",this.getEventArgs(t,e,n)),this.notifyPortEvent("node:port:click",t,{x:e,y:n})}onDblClick(t,e,n){super.onDblClick(t,e,n),this.notify("node:dblclick",this.getEventArgs(t,e,n)),this.notifyPortEvent("node:port:dblclick",t,{x:e,y:n})}onContextMenu(t,e,n){super.onContextMenu(t,e,n),this.notify("node:contextmenu",this.getEventArgs(t,e,n)),this.notifyPortEvent("node:port:contextmenu",t,{x:e,y:n})}onMouseDown(t,e,n){this.isPropagationStopped(t)||(this.notifyMouseDown(t,e,n),this.notifyPortEvent("node:port:mousedown",t,{x:e,y:n}),this.startNodeDragging(t,e,n))}onMouseMove(t,e,n){const r=this.getEventData(t),i=r.action;if("magnet"===i)this.dragMagnet(t,e,n);else{if("move"===i){const i=r.targetView||this;i.dragNode(t,e,n),i.notify("node:moving",{e:t,x:e,y:n,view:i,cell:i.cell,node:i.cell})}this.notifyMouseMove(t,e,n),this.notifyPortEvent("node:port:mousemove",t,{x:e,y:n})}this.setEventData(t,r)}onMouseUp(t,e,n){const r=this.getEventData(t),i=r.action;if("magnet"===i)this.stopMagnetDragging(t,e,n);else if(this.notifyMouseUp(t,e,n),this.notifyPortEvent("node:port:mouseup",t,{x:e,y:n}),"move"===i){(r.targetView||this).stopNodeDragging(t,e,n)}const s=r.targetMagnet;s&&this.onMagnetClick(t,s,e,n),this.checkMouseleave(t)}onMouseOver(t){super.onMouseOver(t),this.notify("node:mouseover",this.getEventArgs(t)),this.notifyPortEvent("node:port:mouseenter",t),this.notifyPortEvent("node:port:mouseover",t)}onMouseOut(t){super.onMouseOut(t),this.notify("node:mouseout",this.getEventArgs(t)),this.notifyPortEvent("node:port:mouseleave",t),this.notifyPortEvent("node:port:mouseout",t)}onMouseEnter(t){this.updateClassName(t),super.onMouseEnter(t),this.notify("node:mouseenter",this.getEventArgs(t))}onMouseLeave(t){super.onMouseLeave(t),this.notify("node:mouseleave",this.getEventArgs(t))}onMouseWheel(t,e,n,r){super.onMouseWheel(t,e,n,r),this.notify("node:mousewheel",Object.assign({delta:r},this.getEventArgs(t,e,n)))}onMagnetClick(t,e,n,r){const i=this.graph;i.view.getMouseMovedCount(t)>i.options.clickThreshold||this.notify("node:magnet:click",Object.assign({magnet:e},this.getEventArgs(t,n,r)))}onMagnetDblClick(t,e,n,r){this.notify("node:magnet:dblclick",Object.assign({magnet:e},this.getEventArgs(t,n,r)))}onMagnetContextMenu(t,e,n,r){this.notify("node:magnet:contextmenu",Object.assign({magnet:e},this.getEventArgs(t,n,r)))}onMagnetMouseDown(t,e,n,r){this.startMagnetDragging(t,n,r)}onCustomEvent(t,e,n,r){this.notify("node:customevent",Object.assign({name:e},this.getEventArgs(t,n,r))),super.onCustomEvent(t,e,n,r)}prepareEmbedding(t){const e=this.graph,n=this.getEventData(t).cell||this.cell,r=e.findViewByCell(n),i=e.snapToGrid(t.clientX,t.clientY);this.notify("node:embed",{e:t,node:n,view:r,cell:n,x:i.x,y:i.y,currentParent:n.getParent()})}processEmbedding(t,e){const n=e.cell||this.cell,r=e.graph||this.graph,i=r.options.embedding,s=i.findParent;let o="function"==typeof s?ef(s,r,{view:this,node:this.cell}).filter((t=>Gw.isCell(t)&&this.cell.id!==t.id&&!t.isDescendantOf(this.cell))):r.model.getNodesUnderNode(n,{by:s});if(i.frontOnly&&o.length>0){const t=oc(o,"zIndex"),e=Ch(Object.keys(t).map((t=>parseInt(t,10))));e&&(o=t[e])}o=o.filter((t=>t.visible));let a=null;const l=e.candidateEmbedView,c=i.validate;for(let t=o.length-1;t>=0;t-=1){const e=o[t];if(l&&l.cell.id===e.id){a=l;break}{const t=e.findView(r);if(c&&ef(c,r,{child:this.cell,parent:t.cell,childView:this,parentView:t})){a=t;break}}}this.clearEmbedding(e),a&&a.highlight(null,{type:"embedding"}),e.candidateEmbedView=a;const h=r.snapToGrid(t.clientX,t.clientY);this.notify("node:embedding",{e:t,cell:n,node:n,view:r.findViewByCell(n),x:h.x,y:h.y,currentParent:n.getParent(),candidateParent:a?a.cell:null})}clearEmbedding(t){const e=t.candidateEmbedView;e&&(e.unhighlight(null,{type:"embedding"}),t.candidateEmbedView=null)}finalizeEmbedding(t,e){this.graph.startBatch("embedding");const n=e.cell||this.cell,r=e.graph||this.graph,i=r.findViewByCell(n),s=n.getParent(),o=e.candidateEmbedView;if(o?(o.unhighlight(null,{type:"embedding"}),e.candidateEmbedView=null,null!=s&&s.id===o.cell.id||o.cell.insertChild(n,void 0,{ui:!0})):s&&s.unembed(n,{ui:!0}),r.model.getConnectedEdges(n,{deep:!0}).forEach((t=>{t.updateParent({ui:!0})})),i&&o){const e=r.snapToGrid(t.clientX,t.clientY);i.notify("node:embedded",{e:t,cell:n,x:e.x,y:e.y,node:n,view:r.findViewByCell(n),previousParent:s,currentParent:n.getParent()})}this.graph.stopBatch("embedding")}getDelegatedView(){let t=this.cell,e=this;for(;e&&!t.isEdge();){if(!t.hasParent()||e.can("stopDelegateOnDragging"))return e;t=t.getParent(),e=this.graph.findViewByCell(t)}return null}validateMagnet(t,e,n){if("passive"!==e.getAttribute("magnet")){const r=this.graph.options.connecting.validateMagnet;return!r||ef(r,this.graph,{e:n,magnet:e,view:t,cell:t.cell})}return!1}startMagnetDragging(t,e,n){if(!this.can("magnetConnectable"))return;t.stopPropagation();const r=t.currentTarget,i=this.graph;this.setEventData(t,{targetMagnet:r}),this.validateMagnet(this,r,t)?(i.options.magnetThreshold<=0&&this.startConnectting(t,r,e,n),this.setEventData(t,{action:"magnet"}),this.stopPropagation(t)):this.onMouseDown(t,e,n),i.view.delegateDragEvents(t,this)}startConnectting(t,e,n,r){this.graph.model.startBatch("add-edge");const i=this.createEdgeFromMagnet(e,n,r);i.setEventData(t,i.prepareArrowheadDragging("target",{x:n,y:r,isNewEdge:!0,fallbackAction:"remove"})),this.setEventData(t,{edgeView:i}),i.notifyMouseDown(t,n,r)}getDefaultEdge(t,e){let n;const r=this.graph.options.connecting.createEdge;return r&&(n=ef(r,this.graph,{sourceMagnet:e,sourceView:t,sourceCell:t.cell})),n}createEdgeFromMagnet(t,e,n){const r=this.graph,i=r.model,s=this.getDefaultEdge(this,t);return s.setSource(Object.assign(Object.assign({},s.getSource()),this.getEdgeTerminal(t,e,n,s,"source"))),s.setTarget(Object.assign(Object.assign({},s.getTarget()),{x:e,y:n})),s.addTo(i,{async:!1,ui:!0}),s.findView(r)}dragMagnet(t,e,n){const r=this.getEventData(t),i=r.edgeView;if(i)i.onMouseMove(t,e,n),this.autoScrollGraph(t.clientX,t.clientY);else{const i=this.graph,s=i.options.magnetThreshold,o=this.getEventTarget(t),a=r.targetMagnet;if("onleave"===s){if(a===o||a.contains(o))return}else if(i.view.getMouseMovedCount(t)<=s)return;this.startConnectting(t,a,e,n)}}stopMagnetDragging(t,e,n){const r=this.eventData(t).edgeView;r&&(r.onMouseUp(t,e,n),this.graph.model.stopBatch("add-edge"))}notifyUnhandledMouseDown(t,e,n){this.notify("node:unhandled:mousedown",{e:t,x:e,y:n,view:this,cell:this.cell,node:this.cell})}notifyNodeMove(t,e,n,r,i){let s=[i];const o=this.graph.getPlugin("selection");if(o&&o.isSelectionMovable()){const t=o.getSelectedCells();t.includes(i)&&(s=t.filter((t=>t.isNode())))}s.forEach((i=>{this.notify(t,{e:e,x:n,y:r,cell:i,node:i,view:i.findView(this.graph)})}))}getRestrictArea(t){const e=this.graph.options.translating.restrict,n="function"==typeof e?ef(e,this.graph,t):e;return"number"==typeof n?this.graph.transform.getGraphArea().inflate(n):!0===n?this.graph.transform.getGraphArea():n||null}startNodeDragging(t,e,n){const r=this.getDelegatedView();if(null==r||!r.can("nodeMovable"))return this.notifyUnhandledMouseDown(t,e,n);this.setEventData(t,{targetView:r,action:"move"});const i=Oy.create(r.cell.getPosition());r.setEventData(t,{moving:!1,offset:i.diff(e,n),restrict:this.getRestrictArea(r)})}dragNode(e,n,r){const i=this.cell,s=this.graph,o=s.getGridSize(),a=this.getEventData(e),l=a.offset,c=a.restrict;a.moving||(a.moving=!0,this.addClass("node-moving"),this.notifyNodeMove("node:move",e,n,r,this.cell)),this.autoScrollGraph(e.clientX,e.clientY);const h=t.GeometryUtil.snapToGrid(n+l.x,o),u=t.GeometryUtil.snapToGrid(r+l.y,o);i.setPosition(h,u,{restrict:c,deep:!0,ui:!0}),s.options.embedding.enabled&&(a.embedding||(this.prepareEmbedding(e),a.embedding=!0),this.processEmbedding(e,a))}stopNodeDragging(t,e,n){const r=this.getEventData(t);r.embedding&&this.finalizeEmbedding(t,r),r.moving&&(this.removeClass("node-moving"),this.notifyNodeMove("node:moved",t,e,n,this.cell)),r.moving=!1,r.embedding=!1}autoScrollGraph(t,e){const n=this.graph.getPlugin("scroller");n&&n.autoScroll(t,e)}}!function(t){t.toStringTag=`X6.${t.name}`,t.isNodeView=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNodeView&&"function"==typeof r.isEdgeView&&"function"==typeof r.confirmUpdate&&"function"==typeof r.update&&"function"==typeof r.findPortElem&&"function"==typeof r.resize&&"function"==typeof r.rotate&&"function"==typeof r.translate}}(cA||(cA={})),cA.config({isSvgElement:!0,priority:0,bootstrap:["render"],actions:{view:["render"],markup:["render"],attrs:["update"],size:["resize","ports","tools"],angle:["rotate","tools"],position:["translate","tools"],ports:["ports"],tools:["tools"]}}),cA.registry.register("node",cA,!0);class hA extends sx{constructor(){super(...arguments),this.POINT_ROUNDING=2,this.labelDestroyFn={}}get[Symbol.toStringTag](){return hA.toStringTag}getContainerClassName(){return[super.getContainerClassName(),this.prefixClassName("edge")].join(" ")}get sourceBBox(){const t=this.sourceView;if(!t){const t=this.cell.getSource();return new Ty(t.x,t.y)}const e=this.sourceMagnet;return t.isEdgeElement(e)?new Ty(this.sourceAnchor.x,this.sourceAnchor.y):t.getBBoxOfElement(e||t.container)}get targetBBox(){const t=this.targetView;if(!t){const t=this.cell.getTarget();return new Ty(t.x,t.y)}const e=this.targetMagnet;return t.isEdgeElement(e)?new Ty(this.targetAnchor.x,this.targetAnchor.y):t.getBBoxOfElement(e||t.container)}isEdgeView(){return!0}confirmUpdate(t,e={}){let n=t;if(this.hasAction(n,"source")){if(!this.updateTerminalProperties("source"))return n;n=this.removeAction(n,"source")}if(this.hasAction(n,"target")){if(!this.updateTerminalProperties("target"))return n;n=this.removeAction(n,"target")}return this.hasAction(n,"render")?(this.render(),n=this.removeAction(n,["render","update","labels","tools"]),n):(n=this.handleAction(n,"update",(()=>this.update(e))),n=this.handleAction(n,"labels",(()=>this.onLabelsChange(e))),n=this.handleAction(n,"tools",(()=>this.renderTools())),n)}render(){return this.empty(),this.renderMarkup(),this.labelContainer=null,this.renderLabels(),this.update(),this.renderTools(),this}renderMarkup(){const t=this.cell.markup;if(t){if("string"==typeof t)throw new TypeError("Not support string markup.");return this.renderJSONMarkup(t)}throw new TypeError("Invalid edge markup.")}renderJSONMarkup(t){const e=this.parseJSONMarkup(t,this.container);this.selectors=e.selectors,this.container.append(e.fragment)}customizeLabels(){if(this.labelContainer){const t=this.cell,e=t.labels;for(let n=0,r=e.length;n<r;n+=1){const r=e[n],i=this.labelCache[n],s=this.labelSelectors[n],o=this.graph.options.onEdgeLabelRendered;if(o){const e=o({edge:t,label:r,container:i,selectors:s});e&&(this.labelDestroyFn[n]=e)}}}}destroyCustomizeLabels(){const t=this.cell.labels;if(this.labelCache&&this.labelSelectors&&this.labelDestroyFn)for(let e=0,n=t.length;e<n;e+=1){const n=this.labelDestroyFn[e],r=this.labelCache[e],i=this.labelSelectors[e];n&&r&&i&&n({edge:this.cell,label:t[e],container:r,selectors:i})}this.labelDestroyFn={}}renderLabels(){const t=this.cell,e=t.getLabels(),n=e.length;let r=this.labelContainer;if(this.labelCache={},this.labelSelectors={},n<=0)return r&&r.parentNode&&r.parentNode.removeChild(r),this;r?this.empty(r):(r=bp("g"),this.addClass(this.prefixClassName("edge-labels"),r),this.labelContainer=r);for(let n=0,i=e.length;n<i;n+=1){const i=e[n],s=this.normalizeLabelMarkup(this.parseLabelMarkup(i.markup));let o,a;if(s)o=s.node,a=s.selectors;else{const e=t.getDefaultLabel(),n=this.normalizeLabelMarkup(this.parseLabelMarkup(e.markup));o=n.node,a=n.selectors}o.setAttribute("data-index",`${n}`),r.appendChild(o);const l=this.rootSelector;if(a[l])throw new Error("Ambiguous label root selector.");a[l]=o,this.labelCache[n]=o,this.labelSelectors[n]=a}return null==r.parentNode&&this.container.appendChild(r),this.updateLabels(),this.customizeLabels(),this}onLabelsChange(t={}){this.destroyCustomizeLabels(),this.shouldRerenderLabels(t)?this.renderLabels():this.updateLabels(),this.updateLabelPositions()}shouldRerenderLabels(t={}){const e=this.cell.previous("labels");if(null==e)return!0;if("propertyPathArray"in t&&"propertyValue"in t){const n=t.propertyPathArray||[],r=n.length;if(r>1){if(e[n[1]]){if(2===r)return"object"==typeof t.propertyValue&&dc(t.propertyValue,"markup");if("markup"!==n[2])return!1}}}return!0}parseLabelMarkup(t){return t?"string"==typeof t?this.parseLabelStringMarkup(t):this.parseJSONMarkup(t):null}parseLabelStringMarkup(t){const e=fm.createVectors(t),n=document.createDocumentFragment();for(let t=0,r=e.length;t<r;t+=1){const r=e[t].node;n.appendChild(r)}return{fragment:n,selectors:{}}}normalizeLabelMarkup(t){if(null==t)return;const e=t.fragment;if(!(e instanceof DocumentFragment&&e.hasChildNodes()))throw new Error("Invalid label markup.");let n;const r=e.childNodes;return n=r.length>1||"G"!==r[0].nodeName.toUpperCase()?fm.create("g").append(e):fm.create(r[0]),n.addClass(this.prefixClassName("edge-label")),{node:n.node,selectors:t.selectors}}updateLabels(){if(this.labelContainer){const t=this.cell,e=t.labels,n=this.can("edgeLabelMovable"),r=t.getDefaultLabel();for(let t=0,i=e.length;t<i;t+=1){const i=this.labelCache[t],s=this.labelSelectors[t];i.setAttribute("cursor",n?"move":"default");const o=e[t],a=Sh({},r.attrs,o.attrs);this.updateAttrs(i,a,{selectors:s,rootBBox:o.size?Ty.fromSize(o.size):void 0})}}}renderTools(){const t=this.cell.getTools();return this.addTools(t),this}update(t={}){this.cleanCache(),this.updateConnection(t);const n=e(this.cell.getAttrs(),["text"]);return null!=n&&this.updateAttrs(this.container,n,{selectors:this.selectors}),this.updateLabelPositions(),this.updateTools(t),this}removeRedundantLinearVertices(t={}){const e=this.cell,n=e.getVertices(),r=[this.sourceAnchor,...n,this.targetAnchor],i=r.length,s=new Ry(r);s.simplify({threshold:.01});const o=s.points.map((t=>t.toJSON())),a=o.length;return i===a?0:(e.setVertices(o.slice(1,a-1),t),i-a)}getTerminalView(t){switch(t){case"source":return this.sourceView||null;case"target":return this.targetView||null;default:throw new Error(`Unknown terminal type '${t}'`)}}getTerminalAnchor(t){switch(t){case"source":return Oy.create(this.sourceAnchor);case"target":return Oy.create(this.targetAnchor);default:throw new Error(`Unknown terminal type '${t}'`)}}getTerminalConnectionPoint(t){switch(t){case"source":return Oy.create(this.sourcePoint);case"target":return Oy.create(this.targetPoint);default:throw new Error(`Unknown terminal type '${t}'`)}}getTerminalMagnet(t,e={}){switch(t){case"source":{if(e.raw)return this.sourceMagnet;const t=this.sourceView;return t?this.sourceMagnet||t.container:null}case"target":{if(e.raw)return this.targetMagnet;const t=this.targetView;return t?this.targetMagnet||t.container:null}default:throw new Error(`Unknown terminal type '${t}'`)}}updateConnection(t={}){const e=this.cell;if(t.translateBy&&e.isFragmentDescendantOf(t.translateBy)){const e=t.tx||0,n=t.ty||0;this.routePoints=new Ry(this.routePoints).translate(e,n).points,this.translateConnectionPoints(e,n),this.path.translate(e,n)}else{const t=e.getVertices(),n=this.findAnchors(t);this.sourceAnchor=n.source,this.targetAnchor=n.target,this.routePoints=this.findRoutePoints(t);const r=this.findConnectionPoints(this.routePoints,this.sourceAnchor,this.targetAnchor);this.sourcePoint=r.source,this.targetPoint=r.target;const i=this.findMarkerPoints(this.routePoints,this.sourcePoint,this.targetPoint);this.path=this.findPath(this.routePoints,i.source||this.sourcePoint,i.target||this.targetPoint)}this.cleanCache()}findAnchors(t){const e=this.cell,n=e.source,r=e.target,i=t[0],s=t[t.length-1];return r.priority&&!n.priority?this.findAnchorsOrdered("target",s,"source",i):this.findAnchorsOrdered("source",i,"target",s)}findAnchorsOrdered(t,e,n,r){let i,s;const o=this.cell,a=o[t],l=o[n],c=this.getTerminalView(t),h=this.getTerminalView(n),u=this.getTerminalMagnet(t),g=this.getTerminalMagnet(n);if(c){let n;n=e?Oy.create(e):h?g:Oy.create(l),i=this.getAnchor(a.anchor,c,u,n,t)}else i=Oy.create(a);if(h){const t=Oy.create(r||i);s=this.getAnchor(l.anchor,h,g,t,n)}else s=Oy.isPointLike(l)?Oy.create(l):new Oy;return{[t]:i,[n]:s}}getAnchor(t,e,n,r,i){const s=e.isEdgeElement(n),o=this.graph.options.connecting;let a,l="string"==typeof t?{name:t}:t;if(!l){const t=s?("source"===i?o.sourceEdgeAnchor:o.targetEdgeAnchor)||o.edgeAnchor:("source"===i?o.sourceAnchor:o.targetAnchor)||o.anchor;l="string"==typeof t?{name:t}:t}if(!l)throw new Error("Anchor should be specified.");const c=l.name;if(s){const t=Hx.registry.get(c);if("function"!=typeof t)return Hx.registry.onNotFound(c);a=ef(t,this,e,n,r,l.args||{},i)}else{const t=Fx.registry.get(c);if("function"!=typeof t)return Fx.registry.onNotFound(c);a=ef(t,this,e,n,r,l.args||{},i)}return a?a.round(this.POINT_ROUNDING):new Oy}findRoutePoints(t=[]){const e=this.graph.options.connecting.router||Ow.presets.normal,n=this.cell.getRouter()||e;let r;if("function"==typeof n)r=ef(n,this,t,{},this);else{const e="string"==typeof n?n:n.name,i="string"==typeof n?{}:n.args||{},s=e?Ow.registry.get(e):Ow.presets.normal;if("function"!=typeof s)return Ow.registry.onNotFound(e);r=ef(s,this,t,i,this)}return null==r?t.map((t=>Oy.create(t))):r.map((t=>Oy.create(t)))}findConnectionPoints(t,e,n){const r=this.cell,i=this.graph.options.connecting,s=r.getSource(),o=r.getTarget(),a=this.sourceView,l=this.targetView,c=t[0],h=t[t.length-1];let u,g;if(a&&!a.isEdgeElement(this.sourceMagnet)){const t=this.sourceMagnet||a.container,r=new ky(c||n,e),o=s.connectionPoint||i.sourceConnectionPoint||i.connectionPoint;u=this.getConnectionPoint(o,a,t,r,"source")}else u=e;if(l&&!l.isEdgeElement(this.targetMagnet)){const t=this.targetMagnet||l.container,r=o.connectionPoint||i.targetConnectionPoint||i.connectionPoint,s=new ky(h||e,n);g=this.getConnectionPoint(r,l,t,s,"target")}else g=n;return{source:u,target:g}}getConnectionPoint(t,e,n,r,i){const s=r.end;if(null==t)return s;const o="string"==typeof t?t:t.name,a="string"==typeof t?{}:t.args,l=Kx.registry.get(o);if("function"!=typeof l)return Kx.registry.onNotFound(o);const c=ef(l,this,r,e,n,a||{},i);return c?c.round(this.POINT_ROUNDING):s}findMarkerPoints(t,e,n){const r=t=>{const e=this.cell.getAttrs(),n=Object.keys(e);for(let r=0,i=n.length;r<i;r+=1){const i=e[n[r]];if(i[`${t}Marker`]||i[`${t}-marker`]){const t=i.strokeWidth||i["stroke-width"];if(t)return parseFloat(t);break}}return null},i=t[0],s=t[t.length-1];let o,a;const l=r("source");l&&(o=e.clone().move(i||n,-l));const c=r("target");return c&&(a=n.clone().move(s||e,-c)),this.sourceMarkerPoint=o||e.clone(),this.targetMarkerPoint=a||n.clone(),{source:o,target:a}}findPath(t,e,n){const r=this.cell.getConnector()||this.graph.options.connecting.connector;let i,s,o;if("string"==typeof r?i=r:(i=r.name,s=r.args),i){const t=Rw.registry.get(i);if("function"!=typeof t)return Rw.registry.onNotFound(i);o=t}else o=Rw.presets.normal;const a=ef(o,this,e,n,t,Object.assign(Object.assign({},s),{raw:!0}),this);return"string"==typeof a?Zy.parse(a):a}translateConnectionPoints(t,e){this.sourcePoint.translate(t,e),this.targetPoint.translate(t,e),this.sourceAnchor.translate(t,e),this.targetAnchor.translate(t,e),this.sourceMarkerPoint.translate(t,e),this.targetMarkerPoint.translate(t,e)}updateLabelPositions(){if(null==this.labelContainer)return this;if(!this.path)return this;const t=this.cell,e=t.getLabels();if(0===e.length)return this;const n=t.getDefaultLabel(),r=this.normalizeLabelPosition(n.position);for(let t=0,n=e.length;t<n;t+=1){const n=e[t],i=this.labelCache[t];if(!i)continue;const s=this.normalizeLabelPosition(n.position),o=Sh({},r,s),a=this.getLabelTransformationMatrix(o);i.setAttribute("transform",Um(a))}return this}updateTerminalProperties(t){const e=this.cell,n=this.graph,r=e[t],i=r&&r.cell,s=`${t}View`;if(!i)return this[s]=null,this.updateTerminalMagnet(t),!0;const o=n.getCellById(i);if(!o)throw new Error(`Edge's ${t} node with id "${i}" not exists`);const a=o.findView(n);return!!a&&(this[s]=a,this.updateTerminalMagnet(t),!0)}updateTerminalMagnet(t){const e=`${t}Magnet`,n=this.getTerminalView(t);if(n){let r=n.getMagnetFromEdgeTerminal(this.cell[t]);r===n.container&&(r=null),this[e]=r}else this[e]=null}getLabelPositionAngle(t){const e=this.cell.getLabelAt(t);return e&&e.position&&"object"==typeof e.position&&e.position.angle||0}getLabelPositionArgs(t){const e=this.cell.getLabelAt(t);if(e&&e.position&&"object"==typeof e.position)return e.position.options}getDefaultLabelPositionArgs(){const t=this.cell.getDefaultLabel();if(t&&t.position&&"object"==typeof t.position)return t.position.options}mergeLabelPositionArgs(t,e){return null===t?null:void 0===t?null===e?null:e:Sh({},e,t)}getConnection(){return null!=this.path?this.path.clone():null}getConnectionPathData(){if(null==this.path)return"";const t=this.cache.pathCache;return dc(t,"data")||(t.data=this.path.serialize()),t.data||""}getConnectionSubdivisions(){if(null==this.path)return null;const t=this.cache.pathCache;return dc(t,"segmentSubdivisions")||(t.segmentSubdivisions=this.path.getSegmentSubdivisions()),t.segmentSubdivisions}getConnectionLength(){if(null==this.path)return 0;const t=this.cache.pathCache;return dc(t,"length")||(t.length=this.path.length({segmentSubdivisions:this.getConnectionSubdivisions()})),t.length}getPointAtLength(t){return null==this.path?null:this.path.pointAtLength(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getPointAtRatio(t){return null==this.path?null:(If(t)&&(t=parseFloat(t)/100),this.path.pointAt(t,{segmentSubdivisions:this.getConnectionSubdivisions()}))}getTangentAtLength(t){return null==this.path?null:this.path.tangentAtLength(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getTangentAtRatio(t){return null==this.path?null:this.path.tangentAt(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getClosestPoint(t){return null==this.path?null:this.path.closestPoint(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getClosestPointLength(t){return null==this.path?null:this.path.closestPointLength(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getClosestPointRatio(t){return null==this.path?null:this.path.closestPointNormalizedLength(t,{segmentSubdivisions:this.getConnectionSubdivisions()})}getLabelPosition(t,e,n,r){const i={distance:0};let s,o=0;"number"==typeof n?(o=n,s=r):s=n,null!=s&&(i.options=s);const a=s&&s.absoluteOffset,l=!(s&&s.absoluteDistance),c=s&&s.absoluteDistance&&s.reverseDistance,h=this.path,u={segmentSubdivisions:this.getConnectionSubdivisions()},g=new Oy(t,e),d=h.closestPointT(g,u),f=this.getConnectionLength()||0;let p,m,y=h.lengthAtT(d,u);if(l&&(y=f>0?y/f:0),c&&(y=-1*(f-y)||1),i.distance=y,a||(p=h.tangentAtT(d)),p)m=p.pointOffset(g);else{const t=h.pointAtT(d),e=g.diff(t);m={x:e.x,y:e.y}}return i.offset=m,i.angle=o,i}normalizeLabelPosition(t){return"number"==typeof t?{distance:t}:t}getLabelTransformationMatrix(e){const n=this.normalizeLabelPosition(e),r=n.options||{},i=n.angle||0,s=n.distance,o=s>0&&s<=1;let a=0;const l={x:0,y:0},c=n.offset;c&&("number"==typeof c?a=c:(null!=c.x&&(l.x=c.x),null!=c.y&&(l.y=c.y)));const h=0!==l.x||0!==l.y||0===a,u=r.keepGradient,g=r.ensureLegibility,d=this.path,f={segmentSubdivisions:this.getConnectionSubdivisions()},p=o?s*this.getConnectionLength():s,m=d.tangentAtLength(p,f);let y,v=i;if(m){if(h)y=m.start,y.translate(l);else{const t=m.clone();t.rotate(-90,m.start),t.setLength(a),y=t.end}u&&(v=m.angle()+i,g&&(v=t.Angle.normalize((v+90)%180-90)))}else y=d.start,h&&y.translate(l);return zm().translate(y.x,y.y).rotate(v)}getVertexIndex(t,e){const n=this.cell.getVertices(),r=this.getClosestPointLength(new Oy(t,e));let i=0;if(null!=r)for(const t=n.length;i<t;i+=1){const t=n[i],e=this.getClosestPointLength(t);if(null!=e&&r<e)break}return i}getEventArgs(t,e,n){const r=this,i=r.cell;return null==e||null==n?{e:t,view:r,edge:i,cell:i}:{e:t,x:e,y:n,view:r,edge:i,cell:i}}notifyUnhandledMouseDown(t,e,n){this.notify("edge:unhandled:mousedown",{e:t,x:e,y:n,view:this,cell:this.cell,edge:this.cell})}notifyMouseDown(t,e,n){super.onMouseDown(t,e,n),this.notify("edge:mousedown",this.getEventArgs(t,e,n))}notifyMouseMove(t,e,n){super.onMouseMove(t,e,n),this.notify("edge:mousemove",this.getEventArgs(t,e,n))}notifyMouseUp(t,e,n){super.onMouseUp(t,e,n),this.notify("edge:mouseup",this.getEventArgs(t,e,n))}onClick(t,e,n){super.onClick(t,e,n),this.notify("edge:click",this.getEventArgs(t,e,n))}onDblClick(t,e,n){super.onDblClick(t,e,n),this.notify("edge:dblclick",this.getEventArgs(t,e,n))}onContextMenu(t,e,n){super.onContextMenu(t,e,n),this.notify("edge:contextmenu",this.getEventArgs(t,e,n))}onMouseDown(t,e,n){this.notifyMouseDown(t,e,n),this.startEdgeDragging(t,e,n)}onMouseMove(t,e,n){const r=this.getEventData(t);switch(r.action){case"drag-label":this.dragLabel(t,e,n);break;case"drag-arrowhead":this.dragArrowhead(t,e,n);break;case"drag-edge":this.dragEdge(t,e,n)}return this.notifyMouseMove(t,e,n),r}onMouseUp(t,e,n){const r=this.getEventData(t);switch(r.action){case"drag-label":this.stopLabelDragging(t,e,n);break;case"drag-arrowhead":this.stopArrowheadDragging(t,e,n);break;case"drag-edge":this.stopEdgeDragging(t,e,n)}return this.notifyMouseUp(t,e,n),this.checkMouseleave(t),r}onMouseOver(t){super.onMouseOver(t),this.notify("edge:mouseover",this.getEventArgs(t))}onMouseOut(t){super.onMouseOut(t),this.notify("edge:mouseout",this.getEventArgs(t))}onMouseEnter(t){super.onMouseEnter(t),this.notify("edge:mouseenter",this.getEventArgs(t))}onMouseLeave(t){super.onMouseLeave(t),this.notify("edge:mouseleave",this.getEventArgs(t))}onMouseWheel(t,e,n,r){super.onMouseWheel(t,e,n,r),this.notify("edge:mousewheel",Object.assign({delta:r},this.getEventArgs(t,e,n)))}onCustomEvent(t,e,n,r){if(Ep(t.target,"edge-tool",this.container)){if(t.stopPropagation(),this.can("useEdgeTools")){if("edge:remove"===e)return void this.cell.remove({ui:!0});this.notify("edge:customevent",Object.assign({name:e},this.getEventArgs(t,n,r)))}this.notifyMouseDown(t,n,r)}else this.notify("edge:customevent",Object.assign({name:e},this.getEventArgs(t,n,r))),super.onCustomEvent(t,e,n,r)}onLabelMouseDown(t,e,n){this.notifyMouseDown(t,e,n),this.startLabelDragging(t,e,n);this.getEventData(t).stopPropagation&&t.stopPropagation()}startEdgeDragging(t,e,n){this.can("edgeMovable")?this.setEventData(t,{x:e,y:n,moving:!1,action:"drag-edge"}):this.notifyUnhandledMouseDown(t,e,n)}dragEdge(t,e,n){const r=this.getEventData(t);r.moving||(r.moving=!0,this.addClass("edge-moving"),this.notify("edge:move",{e:t,x:e,y:n,view:this,cell:this.cell,edge:this.cell})),this.cell.translate(e-r.x,n-r.y,{ui:!0}),this.setEventData(t,{x:e,y:n}),this.notify("edge:moving",{e:t,x:e,y:n,view:this,cell:this.cell,edge:this.cell})}stopEdgeDragging(t,e,n){const r=this.getEventData(t);r.moving&&(this.removeClass("edge-moving"),this.notify("edge:moved",{e:t,x:e,y:n,view:this,cell:this.cell,edge:this.cell})),r.moving=!1}prepareArrowheadDragging(t,e){const n=this.getTerminalMagnet(t),r={action:"drag-arrowhead",x:e.x,y:e.y,isNewEdge:!0===e.isNewEdge,terminalType:t,initialMagnet:n,initialTerminal:yo(this.cell[t]),fallbackAction:e.fallbackAction||"revert",getValidateConnectionArgs:this.createValidateConnectionArgs(t),options:e.options};return this.beforeArrowheadDragging(r),r}createValidateConnectionArgs(t){const e=[];let n;e[4]=t,e[5]=this;let r=0,i=0;"source"===t?(r=2,n="target"):(i=2,n="source");const s=this.cell[n],o=s.cell;if(o){let t;const n=e[r]=this.graph.findViewByCell(o);n&&(t=n.getMagnetFromEdgeTerminal(s),t===n.container&&(t=void 0)),e[r+1]=t}return(t,n)=>(e[i]=t,e[i+1]=t.container===n?void 0:n,e)}beforeArrowheadDragging(t){t.zIndex=this.cell.zIndex,this.cell.toFront();const e=this.container.style;t.pointerEvents=e.pointerEvents,e.pointerEvents="none",this.graph.options.connecting.highlight&&this.highlightAvailableMagnets(t)}afterArrowheadDragging(t){null!=t.zIndex&&(this.cell.setZIndex(t.zIndex,{ui:!0}),t.zIndex=null);this.container.style.pointerEvents=t.pointerEvents||"",this.graph.options.connecting.highlight&&this.unhighlightAvailableMagnets(t)}validateConnection(t,e,n,r,i,s,o){const a=this.graph.options.connecting,l=a.allowLoop,c=a.allowNode,h=a.allowEdge,u=a.allowPort,g=a.allowMulti,d=a.validateConnection,f=s?s.cell:null,p="target"===i?n:t,m="target"===i?r:e;let y=!0;const v=a=>{const l="source"===i?o?o.port:null:f?f.getSourcePortId():null,c="target"===i?o?o.port:null:f?f.getTargetPortId():null;return ef(a,this.graph,{edge:f,edgeView:s,sourceView:t,targetView:n,sourcePort:l,targetPort:c,sourceMagnet:e,targetMagnet:r,sourceCell:t?t.cell:null,targetCell:n?n.cell:null,type:i})};if(null!=l&&("boolean"==typeof l?l||t!==n||(y=!1):y=v(l)),y&&null!=u&&("boolean"==typeof u?!u&&m&&(y=!1):y=v(u)),y&&null!=h&&("boolean"==typeof h?!h&&hA.isEdgeView(p)&&(y=!1):y=v(h)),y&&null!=c&&null==m&&("boolean"==typeof c?!c&&cA.isNodeView(p)&&(y=!1):y=v(c)),y&&null!=g&&s){const t=s.cell,e="source"===i?o:t.getSource(),n="target"===i?o:t.getTarget(),r=o?this.graph.getCellById(o.cell):null;if(e&&n&&e.cell&&n.cell&&r)if("function"==typeof g)y=v(g);else{const t=this.graph.model.getConnectedEdges(r,{outgoing:"source"===i,incoming:"target"===i});if(t.length)if("withPort"===g){t.some((t=>{const r=t.getSource(),i=t.getTarget();return r&&i&&r.cell===e.cell&&i.cell===n.cell&&null!=r.port&&r.port===e.port&&null!=i.port&&i.port===n.port}))&&(y=!1)}else if(!g){t.some((t=>{const r=t.getSource(),i=t.getTarget();return r&&i&&r.cell===e.cell&&i.cell===n.cell}))&&(y=!1)}}}return y&&null!=d&&(y=v(d)),y}allowConnectToBlank(t){const e=this.graph,n=e.options.connecting.allowBlank;if("function"!=typeof n)return!!n;const r=e.findViewByCell(t),i=t.getSourceCell(),s=t.getTargetCell(),o=e.findViewByCell(i),a=e.findViewByCell(s);return ef(n,e,{edge:t,edgeView:r,sourceCell:i,targetCell:s,sourceView:o,targetView:a,sourcePort:t.getSourcePortId(),targetPort:t.getTargetPortId(),sourceMagnet:r.sourceMagnet,targetMagnet:r.targetMagnet})}validateEdge(t,e,n){const r=this.graph;if(!this.allowConnectToBlank(t)){const e=t.getSourceCellId(),n=t.getTargetCellId();if(!e||!n)return!1}const i=r.options.connecting.validateEdge;return!i||ef(i,r,{edge:t,type:e,previous:n})}arrowheadDragging(t,e,n,r){r.x=e,r.y=n,r.currentTarget!==t&&(r.currentMagnet&&r.currentView&&r.currentView.unhighlight(r.currentMagnet,{type:"magnetAdsorbed"}),r.currentView=this.graph.findViewByElem(t),r.currentView?(r.currentMagnet=r.currentView.findMagnet(t),r.currentMagnet&&this.validateConnection(...r.getValidateConnectionArgs(r.currentView,r.currentMagnet),r.currentView.getEdgeTerminal(r.currentMagnet,e,n,this.cell,r.terminalType))?r.currentView.highlight(r.currentMagnet,{type:"magnetAdsorbed"}):r.currentMagnet=null):r.currentMagnet=null),r.currentTarget=t,this.cell.prop(r.terminalType,{x:e,y:n},Object.assign(Object.assign({},r.options),{ui:!0}))}arrowheadDragged(t,e,n){const r=t.currentView,i=t.currentMagnet;if(!i||!r)return;r.unhighlight(i,{type:"magnetAdsorbed"});const s=t.terminalType,o=r.getEdgeTerminal(i,e,n,this.cell,s);this.cell.setTerminal(s,o,{ui:!0})}snapArrowhead(t,e,n){const r=this.graph,{snap:i,allowEdge:s}=r.options.connecting,o="object"==typeof i&&i.radius||50,a="object"==typeof i&&i.anchor||"center",l=r.renderer.findViewsInArea({x:t-o,y:e-o,width:2*o,height:2*o},{nodeOnly:!0});if(s){const n=r.renderer.findEdgeViewsFromPoint({x:t,y:e},o).filter((t=>t!==this));l.push(...n)}const c=n.closestView||null,h=n.closestMagnet||null;let u;n.closestView=null,n.closestMagnet=null;let g=Number.MAX_SAFE_INTEGER;const d=new Oy(t,e);let f;l.forEach((r=>{if("false"!==r.container.getAttribute("magnet")){if(r.isNodeView())u="center"===a?r.cell.getBBox().getCenter().distance(d):r.cell.getBBox().getNearestPointToPoint(d).distance(d);else if(r.isEdgeView()){const t=r.getClosestPoint(d);u=t?t.distance(d):Number.MAX_SAFE_INTEGER}u<o&&u<g&&(h===r.container||this.validateConnection(...n.getValidateConnectionArgs(r,null),r.getEdgeTerminal(r.container,t,e,this.cell,n.terminalType)))&&(g=u,n.closestView=r,n.closestMagnet=r.container)}r.container.querySelectorAll("[magnet]").forEach((i=>{if("false"!==i.getAttribute("magnet")){const s=r.getBBoxOfElement(i);u=d.distance(s.getCenter()),u<o&&u<g&&(h===i||this.validateConnection(...n.getValidateConnectionArgs(r,i),r.getEdgeTerminal(i,t,e,this.cell,n.terminalType)))&&(g=u,n.closestView=r,n.closestMagnet=i)}}))}));const p=n.terminalType,m=n.closestView,y=n.closestMagnet,v=h!==y;if(c&&v&&c.unhighlight(h,{type:"magnetAdsorbed"}),m){if(!v)return;m.highlight(y,{type:"magnetAdsorbed"}),f=m.getEdgeTerminal(y,t,e,this.cell,p)}else f={x:t,y:e};this.cell.setTerminal(p,f,{},Object.assign(Object.assign({},n.options),{ui:!0}))}snapArrowheadEnd(t){const e=t.closestView,n=t.closestMagnet;e&&n&&(e.unhighlight(n,{type:"magnetAdsorbed"}),t.currentMagnet=e.findMagnet(n)),t.closestView=null,t.closestMagnet=null}finishEmbedding(t){this.graph.options.embedding.enabled&&this.cell.updateParent()&&(t.zIndex=null)}fallbackConnection(t){if("remove"===t.fallbackAction)this.cell.remove({ui:!0});else this.cell.prop(t.terminalType,t.initialTerminal,{ui:!0})}notifyConnectionEvent(t,e){const n=t.terminalType,r=t.initialTerminal,i=this.cell[n];if(i&&!Hw.equalTerminals(r,i)){const s=this.graph,o=r,a=o.cell?s.getCellById(o.cell):null,l=o.port,c=a?s.findViewByCell(a):null,h=a||t.isNewEdge?null:Oy.create(r).toJSON(),u=i,g=u.cell?s.getCellById(u.cell):null,d=u.port,f=g?s.findViewByCell(g):null,p=g?null:Oy.create(i).toJSON();this.notify("edge:connected",{e:e,previousCell:a,previousPort:l,previousView:c,previousPoint:h,currentCell:g,currentView:f,currentPort:d,currentPoint:p,previousMagnet:t.initialMagnet,currentMagnet:t.currentMagnet,edge:this.cell,view:this,type:n,isNew:t.isNewEdge})}}highlightAvailableMagnets(t){const e=this.graph,n=e.model.getCells();t.marked={};for(let r=0,i=n.length;r<i;r+=1){const i=e.findViewByCell(n[r]);if(!i||i.cell.id===this.cell.id)continue;const s=Array.prototype.slice.call(i.container.querySelectorAll("[magnet]"));"false"!==i.container.getAttribute("magnet")&&s.push(i.container);const o=s.filter((e=>this.validateConnection(...t.getValidateConnectionArgs(i,e),i.getEdgeTerminal(e,t.x,t.y,this.cell,t.terminalType))));if(o.length>0){for(let t=0,e=o.length;t<e;t+=1)i.highlight(o[t],{type:"magnetAvailable"});i.highlight(null,{type:"nodeAvailable"}),t.marked[i.cell.id]=o}}}unhighlightAvailableMagnets(t){const e=t.marked||{};Object.keys(e).forEach((t=>{const n=this.graph.findViewByCell(t);if(n){e[t].forEach((t=>{n.unhighlight(t,{type:"magnetAvailable"})})),n.unhighlight(null,{type:"nodeAvailable"})}})),t.marked=null}startArrowheadDragging(t,e,n){if(!this.can("arrowheadMovable"))return void this.notifyUnhandledMouseDown(t,e,n);const r=t.target.getAttribute("data-terminal"),i=this.prepareArrowheadDragging(r,{x:e,y:n});this.setEventData(t,i)}dragArrowhead(t,e,n){const r=this.getEventData(t);this.graph.options.connecting.snap?this.snapArrowhead(e,n,r):this.arrowheadDragging(this.getEventTarget(t),e,n,r)}stopArrowheadDragging(t,e,n){const r=this.graph,i=this.getEventData(t);r.options.connecting.snap?this.snapArrowheadEnd(i):this.arrowheadDragged(i,e,n);this.validateEdge(this.cell,i.terminalType,i.initialTerminal)?(this.finishEmbedding(i),this.notifyConnectionEvent(i,t)):this.fallbackConnection(i),this.afterArrowheadDragging(i)}startLabelDragging(t,e,n){if(this.can("edgeLabelMovable")){const e=t.currentTarget,n=parseInt(e.getAttribute("data-index"),10),r=this.getLabelPositionAngle(n),i=this.getLabelPositionArgs(n),s=this.getDefaultLabelPositionArgs(),o=this.mergeLabelPositionArgs(i,s);this.setEventData(t,{index:n,positionAngle:r,positionArgs:o,stopPropagation:!0,action:"drag-label"})}else this.setEventData(t,{stopPropagation:!0});this.graph.view.delegateDragEvents(t,this)}dragLabel(t,e,n){const r=this.getEventData(t),i=this.cell.getLabelAt(r.index),s=Sh({},i,{position:this.getLabelPosition(e,n,r.positionAngle,r.positionArgs)});this.cell.setLabelAt(r.index,s)}stopLabelDragging(t,e,n){}}!function(t){t.toStringTag=`X6.${t.name}`,t.isEdgeView=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag],r=e;return(null==n||n===t.toStringTag)&&"function"==typeof r.isNodeView&&"function"==typeof r.isEdgeView&&"function"==typeof r.confirmUpdate&&"function"==typeof r.update&&"function"==typeof r.getConnection}}(hA||(hA={})),hA.config({isSvgElement:!0,priority:1,bootstrap:["render","source","target"],actions:{view:["render"],markup:["render"],attrs:["update"],source:["source","update"],target:["target","update"],router:["update"],connector:["update"],labels:["labels"],defaultLabel:["labels"],tools:["tools"],vertices:["vertices","update"]}}),hA.registry.register("edge",hA,!0);class uA extends ex{get disposeContainer(){return!1}get options(){return this.graph.options}constructor(e){super(),this.graph=e;const{selectors:n,fragment:r}=t.Markup.parseJSONMarkup(uA.markup);this.background=n.background,this.grid=n.grid,this.svg=n.svg,this.defs=n.defs,this.viewport=n.viewport,this.primer=n.primer,this.stage=n.stage,this.decorator=n.decorator,this.overlay=n.overlay,this.container=this.options.container,this.restore=uA.snapshoot(this.container),lp(this.container,this.prefixClassName("graph")),kp(this.container,r),this.delegateEvents()}delegateEvents(){const t=this.constructor;return super.delegateEvents(t.events),this}guard(t,e){return"mousedown"===t.type&&2===t.button||(!(!this.options.guard||!this.options.guard(t,e))||(t.data&&void 0!==t.data.guarded?t.data.guarded:!(e&&e.cell&&Gw.isCell(e.cell))&&(this.svg!==t.target&&this.container!==t.target&&!this.svg.contains(t.target))))}findView(t){return this.graph.findViewByElem(t)}onDblClick(t){this.options.preventDefaultDblClick&&t.preventDefault();const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;const r=this.graph.snapToGrid(e.clientX,e.clientY);n?n.onDblClick(e,r.x,r.y):this.graph.trigger("blank:dblclick",{e:e,x:r.x,y:r.y})}onClick(t){if(this.getMouseMovedCount(t)<=this.options.clickThreshold){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;const r=this.graph.snapToGrid(e.clientX,e.clientY);n?n.onClick(e,r.x,r.y):this.graph.trigger("blank:click",{e:e,x:r.x,y:r.y})}}isPreventDefaultContextMenu(t){let e=this.options.preventDefaultContextMenu;return"function"==typeof e&&(e=ef(e,this.graph,{view:t})),e}onContextMenu(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.isPreventDefaultContextMenu(n)&&t.preventDefault(),this.guard(e,n))return;const r=this.graph.snapToGrid(e.clientX,e.clientY);n?n.onContextMenu(e,r.x,r.y):this.graph.trigger("blank:contextmenu",{e:e,x:r.x,y:r.y})}delegateDragEvents(t,e){null==t.data&&(t.data={}),this.setEventData(t,{currentView:e||null,mouseMovedCount:0,startPosition:{x:t.clientX,y:t.clientY}});const n=this.constructor;this.delegateDocumentEvents(n.documentEvents,t.data),this.undelegateEvents()}getMouseMovedCount(t){return this.getEventData(t).mouseMovedCount||0}onMouseDown(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;this.options.preventDefaultMouseDown&&t.preventDefault();const r=this.graph.snapToGrid(e.clientX,e.clientY);n?n.onMouseDown(e,r.x,r.y):(this.options.preventDefaultBlankAction&&["touchstart"].includes(e.type)&&t.preventDefault(),this.graph.trigger("blank:mousedown",{e:e,x:r.x,y:r.y})),this.delegateDragEvents(e,n)}onMouseMove(t){const e=this.getEventData(t),n=e.startPosition;if(n&&n.x===t.clientX&&n.y===t.clientY)return;null==e.mouseMovedCount&&(e.mouseMovedCount=0),e.mouseMovedCount+=1;if(e.mouseMovedCount<=this.options.moveThreshold)return;const r=this.normalizeEvent(t),i=this.graph.snapToGrid(r.clientX,r.clientY),s=e.currentView;s?s.onMouseMove(r,i.x,i.y):this.graph.trigger("blank:mousemove",{e:r,x:i.x,y:i.y}),this.setEventData(r,e)}onMouseUp(t){this.undelegateDocumentEvents();const e=this.normalizeEvent(t),n=this.graph.snapToGrid(e.clientX,e.clientY),r=this.getEventData(t).currentView;if(r?r.onMouseUp(e,n.x,n.y):this.graph.trigger("blank:mouseup",{e:e,x:n.x,y:n.y}),!t.isPropagationStopped()){const e=new oy(t,{type:"click",data:t.data});this.onClick(e)}t.stopImmediatePropagation(),this.delegateEvents()}onMouseOver(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(!this.guard(e,n))if(n)n.onMouseOver(e);else{if(this.container===e.target)return;this.graph.trigger("blank:mouseover",{e:e})}}onMouseOut(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(!this.guard(e,n))if(n)n.onMouseOut(e);else{if(this.container===e.target)return;this.graph.trigger("blank:mouseout",{e:e})}}onMouseEnter(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;const r=this.graph.findViewByElem(e.relatedTarget);if(n){if(r===n)return;n.onMouseEnter(e)}else{if(r)return;this.graph.trigger("graph:mouseenter",{e:e})}}onMouseLeave(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;const r=this.graph.findViewByElem(e.relatedTarget);if(n){if(r===n)return;n.onMouseLeave(e)}else{if(r)return;this.graph.trigger("graph:mouseleave",{e:e})}}onMouseWheel(t){const e=this.normalizeEvent(t),n=this.findView(e.target);if(this.guard(e,n))return;const r=e.originalEvent,i=this.graph.snapToGrid(r.clientX,r.clientY),s=Math.max(-1,Math.min(1,r.wheelDelta||-r.detail));n?n.onMouseWheel(e,i.x,i.y,s):this.graph.trigger("blank:mousewheel",{e:e,delta:s,x:i.x,y:i.y})}onCustomEvent(t){const e=t.currentTarget,n=e.getAttribute("event")||e.getAttribute("data-event");if(n){const r=this.findView(e);if(r){const e=this.normalizeEvent(t);if(this.guard(e,r))return;const i=this.graph.snapToGrid(e.clientX,e.clientY);r.onCustomEvent(e,n,i.x,i.y)}}}handleMagnetEvent(t,e){const n=t.currentTarget,r=n.getAttribute("magnet");if(r&&"false"!==r.toLowerCase()){const r=this.findView(n);if(r){const i=this.normalizeEvent(t);if(this.guard(i,r))return;const s=this.graph.snapToGrid(i.clientX,i.clientY);ef(e,this.graph,r,i,n,s.x,s.y)}}}onMagnetMouseDown(t){this.handleMagnetEvent(t,((t,e,n,r,i)=>{t.onMagnetMouseDown(e,n,r,i)}))}onMagnetDblClick(t){this.handleMagnetEvent(t,((t,e,n,r,i)=>{t.onMagnetDblClick(e,n,r,i)}))}onMagnetContextMenu(t){const e=this.findView(t.target);this.isPreventDefaultContextMenu(e)&&t.preventDefault(),this.handleMagnetEvent(t,((t,e,n,r,i)=>{t.onMagnetContextMenu(e,n,r,i)}))}onLabelMouseDown(t){const e=t.currentTarget,n=this.findView(e);if(n){const e=this.normalizeEvent(t);if(this.guard(e,n))return;const r=this.graph.snapToGrid(e.clientX,e.clientY);n.onLabelMouseDown(e,r.x,r.y)}}onImageDragStart(){return!1}dispose(){this.undelegateEvents(),this.undelegateDocumentEvents(),this.restore(),this.restore=()=>{}}}n([ex.dispose()],uA.prototype,"dispose",null),function(t){const e=`${kb.prefixCls}-graph`;t.markup=[{ns:pp.xhtml,tagName:"div",selector:"background",className:`${e}-background`},{ns:pp.xhtml,tagName:"div",selector:"grid",className:`${e}-grid`},{ns:pp.svg,tagName:"svg",selector:"svg",className:`${e}-svg`,attrs:{width:"100%",height:"100%","xmlns:xlink":pp.xlink},children:[{tagName:"defs",selector:"defs"},{tagName:"g",selector:"viewport",className:`${e}-svg-viewport`,children:[{tagName:"g",selector:"primer",className:`${e}-svg-primer`},{tagName:"g",selector:"stage",className:`${e}-svg-stage`},{tagName:"g",selector:"decorator",className:`${e}-svg-decorator`},{tagName:"g",selector:"overlay",className:`${e}-svg-overlay`}]}]}],t.snapshoot=function(t){const e=t.cloneNode();return t.childNodes.forEach((t=>e.appendChild(t))),()=>{for(Tp(t);t.attributes.length>0;)t.removeAttribute(t.attributes[0].name);for(let n=0,r=e.attributes.length;n<r;n+=1){const r=e.attributes[n];t.setAttribute(r.name,r.value)}e.childNodes.forEach((e=>t.appendChild(e)))}}}(uA||(uA={})),function(t){const e=kb.prefixCls;t.events={dblclick:"onDblClick",contextmenu:"onContextMenu",touchstart:"onMouseDown",mousedown:"onMouseDown",mouseover:"onMouseOver",mouseout:"onMouseOut",mouseenter:"onMouseEnter",mouseleave:"onMouseLeave",mousewheel:"onMouseWheel",DOMMouseScroll:"onMouseWheel",[`mouseenter  .${e}-cell`]:"onMouseEnter",[`mouseleave  .${e}-cell`]:"onMouseLeave",[`mouseenter  .${e}-cell-tools`]:"onMouseEnter",[`mouseleave  .${e}-cell-tools`]:"onMouseLeave",[`mousedown   .${e}-cell [event]`]:"onCustomEvent",[`touchstart  .${e}-cell [event]`]:"onCustomEvent",[`mousedown   .${e}-cell [data-event]`]:"onCustomEvent",[`touchstart  .${e}-cell [data-event]`]:"onCustomEvent",[`dblclick    .${e}-cell [magnet]`]:"onMagnetDblClick",[`contextmenu .${e}-cell [magnet]`]:"onMagnetContextMenu",[`mousedown   .${e}-cell [magnet]`]:"onMagnetMouseDown",[`touchstart  .${e}-cell [magnet]`]:"onMagnetMouseDown",[`dblclick    .${e}-cell [data-magnet]`]:"onMagnetDblClick",[`contextmenu .${e}-cell [data-magnet]`]:"onMagnetContextMenu",[`mousedown   .${e}-cell [data-magnet]`]:"onMagnetMouseDown",[`touchstart  .${e}-cell [data-magnet]`]:"onMagnetMouseDown",[`dragstart   .${e}-cell image`]:"onImageDragStart",[`mousedown   .${e}-edge .${e}-edge-label`]:"onLabelMouseDown",[`touchstart  .${e}-edge .${e}-edge-label`]:"onLabelMouseDown"},t.documentEvents={mousemove:"onMouseMove",touchmove:"onMouseMove",mouseup:"onMouseUp",touchend:"onMouseUp",touchcancel:"onMouseUp"}}(uA||(uA={}));class gA extends r{get options(){return this.graph.options}get model(){return this.graph.model}get view(){return this.graph.view}constructor(t){super(),this.graph=t,this.init()}init(){}}class dA extends gA{init(){kb.autoInsertCSS&&Ay("core",".x6-graph {\n  position: relative;\n  overflow: hidden;\n  outline: none;\n  touch-action: none;\n}\n.x6-graph-background,\n.x6-graph-grid,\n.x6-graph-svg {\n  position: absolute;\n  top: 0;\n  right: 0;\n  bottom: 0;\n  left: 0;\n}\n.x6-graph-background-stage,\n.x6-graph-grid-stage,\n.x6-graph-svg-stage {\n  user-select: none;\n}\n.x6-graph.x6-graph-pannable {\n  cursor: grab;\n  cursor: -moz-grab;\n  cursor: -webkit-grab;\n}\n.x6-graph.x6-graph-panning {\n  cursor: grabbing;\n  cursor: -moz-grabbing;\n  cursor: -webkit-grabbing;\n  user-select: none;\n}\n.x6-node {\n  cursor: move;\n  /* stylelint-disable-next-line */\n}\n.x6-node.x6-node-immovable {\n  cursor: default;\n}\n.x6-node * {\n  -webkit-user-drag: none;\n}\n.x6-node .scalable * {\n  vector-effect: non-scaling-stroke;\n}\n.x6-node [magnet='true'] {\n  cursor: crosshair;\n  transition: opacity 0.3s;\n}\n.x6-node [magnet='true']:hover {\n  opacity: 0.7;\n}\n.x6-node foreignObject {\n  display: block;\n  overflow: visible;\n  background-color: transparent;\n}\n.x6-node foreignObject > body {\n  position: static;\n  width: 100%;\n  height: 100%;\n  margin: 0;\n  padding: 0;\n  overflow: visible;\n  background-color: transparent;\n}\n.x6-edge .source-marker,\n.x6-edge .target-marker {\n  vector-effect: non-scaling-stroke;\n}\n.x6-edge .connection {\n  stroke-linejoin: round;\n  fill: none;\n}\n.x6-edge .connection-wrap {\n  cursor: move;\n  opacity: 0;\n  fill: none;\n  stroke: #000;\n  stroke-width: 15;\n  stroke-linecap: round;\n  stroke-linejoin: round;\n}\n.x6-edge .connection-wrap:hover {\n  opacity: 0.4;\n  stroke-opacity: 0.4;\n}\n.x6-edge .vertices {\n  cursor: move;\n  opacity: 0;\n}\n.x6-edge .vertices .vertex {\n  fill: #1abc9c;\n}\n.x6-edge .vertices .vertex :hover {\n  fill: #34495e;\n  stroke: none;\n}\n.x6-edge .vertices .vertex-remove {\n  cursor: pointer;\n  fill: #fff;\n}\n.x6-edge .vertices .vertex-remove-area {\n  cursor: pointer;\n  opacity: 0.1;\n}\n.x6-edge .vertices .vertex-group:hover .vertex-remove-area {\n  opacity: 1;\n}\n.x6-edge .arrowheads {\n  cursor: move;\n  opacity: 0;\n}\n.x6-edge .arrowheads .arrowhead {\n  fill: #1abc9c;\n}\n.x6-edge .arrowheads .arrowhead :hover {\n  fill: #f39c12;\n  stroke: none;\n}\n.x6-edge .tools {\n  cursor: pointer;\n  opacity: 0;\n}\n.x6-edge .tools .tool-options {\n  display: none;\n}\n.x6-edge .tools .tool-remove circle {\n  fill: #f00;\n}\n.x6-edge .tools .tool-remove path {\n  fill: #fff;\n}\n.x6-edge:hover .vertices,\n.x6-edge:hover .arrowheads,\n.x6-edge:hover .tools {\n  opacity: 1;\n}\n.x6-highlight-opacity {\n  opacity: 0.3;\n}\n.x6-cell-tool-editor {\n  position: relative;\n  display: inline-block;\n  min-height: 1em;\n  margin: 0;\n  padding: 0;\n  line-height: 1;\n  white-space: normal;\n  text-align: center;\n  vertical-align: top;\n  overflow-wrap: normal;\n  outline: none;\n  transform-origin: 0 0;\n  -webkit-user-drag: none;\n}\n.x6-edge-tool-editor {\n  border: 1px solid #275fc5;\n  border-radius: 2px;\n}\n")}dispose(){Cy("core")}}var fA,pA;n([dA.dispose()],dA.prototype,"dispose",null),t.Options=void 0,(fA=t.Options||(t.Options={})).get=function(t){const{grid:n,panning:r,mousewheel:i,embedding:s}=t,o=e(t,["grid","panning","mousewheel","embedding"]),a=t.container;if(null==a)throw new Error("Ensure the container of the graph is specified and valid");null==o.width&&(o.width=a.clientWidth),null==o.height&&(o.height=a.clientHeight);const l=Sh({},fA.defaults,o),c={size:10,visible:!1};return l.grid="number"==typeof n?{size:n,visible:!1}:"boolean"==typeof n?Object.assign(Object.assign({},c),{visible:n}):Object.assign(Object.assign({},c),n),["panning","mousewheel","embedding"].forEach((e=>{const n=t[e];"boolean"==typeof n?l[e].enabled=n:l[e]=Object.assign(Object.assign({},l[e]),n)})),l},function(t){t.defaults={x:0,y:0,scaling:{min:.01,max:16},grid:{size:10,visible:!1},background:!1,panning:{enabled:!1,eventTypes:["leftMouseDown"]},mousewheel:{enabled:!1,factor:1.2,zoomAtMousePosition:!0},highlighting:{default:{name:"stroke",args:{padding:3}},nodeAvailable:{name:"className",args:{className:kb.prefix("available-node")}},magnetAvailable:{name:"className",args:{className:kb.prefix("available-magnet")}}},connecting:{snap:!1,allowLoop:!0,allowNode:!0,allowEdge:!1,allowPort:!0,allowBlank:!0,allowMulti:!0,highlight:!1,anchor:"center",edgeAnchor:"ratio",connectionPoint:"boundary",router:"normal",connector:"normal",validateConnection:({type:t,sourceView:e,targetView:n})=>null!=("target"===t?n:e),createEdge:()=>new tA},translating:{restrict:!1},embedding:{enabled:!1,findParent:"bbox",frontOnly:!0,validate:()=>!0},moveThreshold:0,clickThreshold:0,magnetThreshold:0,preventDefaultDblClick:!0,preventDefaultMouseDown:!1,preventDefaultContextMenu:!0,preventDefaultBlankAction:!0,interacting:{edgeLabelMovable:!1},async:!0,virtual:!1,guard:()=>!1}}(t.Options||(t.Options={}));class mA extends gA{get elem(){return this.view.grid}get grid(){return this.options.grid}init(){this.startListening(),this.draw(this.grid)}startListening(){this.graph.on("scale",this.update,this),this.graph.on("translate",this.update,this)}stopListening(){this.graph.off("scale",this.update,this),this.graph.off("translate",this.update,this)}setVisible(t){this.grid.visible!==t&&(this.grid.visible=t,this.update())}getGridSize(){return this.grid.size}setGridSize(t){this.grid.size=Math.max(t,1),this.update()}show(){this.setVisible(!0),this.update()}hide(){this.setVisible(!1),this.update()}clear(){this.elem.style.backgroundImage=""}draw(t){this.clear(),this.instance=null,Object.assign(this.grid,t),this.patterns=this.resolveGrid(t),this.update()}update(t={}){const n=this.grid.size;if(n<=1||!this.grid.visible)return this.clear();const r=this.graph.matrix(),i=this.getInstance(),s=Array.isArray(t)?t:[t];this.patterns.forEach(((t,o)=>{const a=`pattern_${o}`,l=r.a||1,c=r.d||1,{update:h,markup:u}=t,g=e(t,["update","markup"]),d=Object.assign(Object.assign(Object.assign({},g),s[o]),{sx:l,sy:c,ox:r.e||0,oy:r.f||0,width:n*l,height:n*c});i.has(a)||i.add(a,fm.create("pattern",{id:a,patternUnits:"userSpaceOnUse"},fm.createVectors(u)).node);const f=i.get(a);"function"==typeof h&&h(f.childNodes[0],d);let p=d.ox%d.width;p<0&&(p+=d.width);let m=d.oy%d.height;m<0&&(m+=d.height),$p(f,{x:p,y:m,width:d.width,height:d.height})}));const o=(new XMLSerializer).serializeToString(i.root),a=`url(data:image/svg+xml;base64,${btoa(o)})`;this.elem.style.backgroundImage=a}getInstance(){return this.instance||(this.instance=new iv),this.instance}resolveGrid(t){if(!t)return[];const e=t.type;if(null==e)return[Object.assign(Object.assign({},iv.presets.dot),t.args)];const n=iv.registry.get(e);if(n){let e=t.args||[];return Array.isArray(e)||(e=[e]),Array.isArray(n)?n.map(((t,n)=>Object.assign(Object.assign({},t),e[n]))):[Object.assign(Object.assign({},n),e[0])]}return iv.registry.onNotFound(e)}dispose(){this.stopListening(),this.clear()}}n([gA.dispose()],mA.prototype,"dispose",null);class yA extends gA{get container(){return this.graph.view.container}get viewport(){return this.graph.view.viewport}get stage(){return this.graph.view.stage}init(){this.resize()}getMatrix(){const t=this.viewport.getAttribute("transform");return t!==this.viewportTransformString&&(this.viewportMatrix=this.viewport.getCTM(),this.viewportTransformString=t),zm(this.viewportMatrix)}setMatrix(t){const e=zm(t),n=Um(e);this.viewport.setAttribute("transform",n),this.viewportMatrix=e,this.viewportTransformString=n}resize(t,e){let n=void 0===t?this.options.width:t,r=void 0===e?this.options.height:e;this.options.width=n,this.options.height=r,"number"==typeof n&&(n=Math.round(n)),"number"==typeof r&&(r=Math.round(r)),this.container.style.width=null==n?"":`${n}px`,this.container.style.height=null==r?"":`${r}px`;const i=this.getComputedSize();return this.graph.trigger("resize",Object.assign({},i)),this}getComputedSize(){let t=this.options.width,e=this.options.height;return th(t)||(t=this.container.clientWidth),th(e)||(e=this.container.clientHeight),{width:t,height:e}}getScale(){return Hm(this.getMatrix())}scale(t,e=t,n=0,r=0){if(t=this.clampScale(t),e=this.clampScale(e),n||r){const i=this.getTranslation(),s=i.tx-n*(t-1),o=i.ty-r*(e-1);s===i.tx&&o===i.ty||this.translate(s,o)}const i=this.getMatrix();return i.a=t,i.d=e,this.setMatrix(i),this.graph.trigger("scale",{sx:t,sy:e,ox:n,oy:r}),this}clampScale(t){const e=this.graph.options.scaling;return Hi(t,e.min||.01,e.max||16)}getZoom(){return this.getScale().sx}zoom(t,e){e=e||{};let n=t,r=t;const i=this.getScale(),s=this.getComputedSize();let o=s.width/2,a=s.height/2;if(e.absolute||(n+=i.sx,r+=i.sy),e.scaleGrid&&(n=Math.round(n/e.scaleGrid)*e.scaleGrid,r=Math.round(r/e.scaleGrid)*e.scaleGrid),e.maxScale&&(n=Math.min(e.maxScale,n),r=Math.min(e.maxScale,r)),e.minScale&&(n=Math.max(e.minScale,n),r=Math.max(e.minScale,r)),e.center&&(o=e.center.x,a=e.center.y),n=this.clampScale(n),r=this.clampScale(r),o||a){const t=this.getTranslation(),e=o-(o-t.tx)*(n/i.sx),s=a-(a-t.ty)*(r/i.sy);e===t.tx&&s===t.ty||this.translate(e,s)}return this.scale(n,r),this}getRotation(){return Jm(this.getMatrix())}rotate(e,n,r){if(null==n||null==r){const e=t.Util.getBBox(this.stage);n=e.width/2,r=e.height/2}const i=this.getMatrix().translate(n,r).rotate(e).translate(-n,-r);return this.setMatrix(i),this}getTranslation(){return Xm(this.getMatrix())}translate(t,e){const n=this.getMatrix();n.e=t||0,n.f=e||0,this.setMatrix(n);const r=this.getTranslation();return this.options.x=r.tx,this.options.y=r.ty,this.graph.trigger("translate",Object.assign({},r)),this}setOrigin(t,e){return this.translate(t||0,e||0)}fitToContent(t,e,n,r){if("object"==typeof t){const i=t;t=i.gridWidth||1,e=i.gridHeight||1,n=i.padding||0,r=i}else t=t||1,e=e||1,n=n||0,null==r&&(r={});const i=Rf(n),s=r.border||0,o=r.contentArea?Ty.create(r.contentArea):this.getContentArea(r);s>0&&o.inflate(s);const a=this.getScale(),l=this.getTranslation(),c=a.sx,h=a.sy;o.x*=c,o.y*=h,o.width*=c,o.height*=h;let u=Math.max(Math.ceil((o.width+o.x)/t),1)*t,g=Math.max(Math.ceil((o.height+o.y)/e),1)*e,d=0,f=0;("negative"===r.allowNewOrigin&&o.x<0||"positive"===r.allowNewOrigin&&o.x>=0||"any"===r.allowNewOrigin)&&(d=Math.ceil(-o.x/t)*t,d+=i.left,u+=d),("negative"===r.allowNewOrigin&&o.y<0||"positive"===r.allowNewOrigin&&o.y>=0||"any"===r.allowNewOrigin)&&(f=Math.ceil(-o.y/e)*e,f+=i.top,g+=f),u+=i.right,g+=i.bottom,u=Math.max(u,r.minWidth||0),g=Math.max(g,r.minHeight||0),u=Math.min(u,r.maxWidth||Number.MAX_SAFE_INTEGER),g=Math.min(g,r.maxHeight||Number.MAX_SAFE_INTEGER);const p=this.getComputedSize(),m=u!==p.width||g!==p.height;return(d!==l.tx||f!==l.ty)&&this.translate(d,f),m&&this.resize(u,g),new Ty(-d/c,-f/h,u/c,g/h)}scaleContentToFit(t={}){this.scaleContentToFitImpl(t)}scaleContentToFitImpl(t={},e=!0){let n,r;if(t.contentArea){const e=t.contentArea;n=this.graph.localToGraph(e),r=Oy.create(e)}else n=this.getContentBBox(t),r=this.graph.graphToLocal(n);if(!n.width||!n.height)return;const i=Rf(t.padding),s=t.minScale||0,o=t.maxScale||Number.MAX_SAFE_INTEGER,a=t.minScaleX||s,l=t.maxScaleX||o,c=t.minScaleY||s,h=t.maxScaleY||o;let u;if(t.viewportArea)u=t.viewportArea;else{const t=this.getComputedSize(),e=this.getTranslation();u={x:e.tx,y:e.ty,width:t.width,height:t.height}}u=Ty.create(u).moveAndExpand({x:i.left,y:i.top,width:-i.left-i.right,height:-i.top-i.bottom});const g=this.getScale();let d=u.width/n.width*g.sx,f=u.height/n.height*g.sy;!1!==t.preserveAspectRatio&&(d=f=Math.min(d,f));const p=t.scaleGrid;if(p&&(d=p*Math.floor(d/p),f=p*Math.floor(f/p)),d=Hi(d,a,l),f=Hi(f,c,h),this.scale(d,f),e){const t=this.options,e=u.x-r.x*d-t.x,n=u.y-r.y*f-t.y;this.translate(e,n)}}getContentArea(e={}){return!1!==e.useCellGeometry?this.model.getAllCellsBBox()||new Ty:t.Util.getBBox(this.stage)}getContentBBox(t={}){return this.graph.localToGraph(this.getContentArea(t))}getGraphArea(){const t=Ty.fromSize(this.getComputedSize());return this.graph.graphToLocal(t)}zoomToRect(t,e={}){const n=Ty.create(t),r=this.graph;e.contentArea=n,null==e.viewportArea&&(e.viewportArea={x:r.options.x,y:r.options.y,width:this.options.width,height:this.options.height}),this.scaleContentToFitImpl(e,!1);const i=n.getCenter();return this.centerPoint(i.x,i.y),this}zoomToFit(t={}){return this.zoomToRect(this.getContentArea(t),t)}centerPoint(t,e){const n=this.getComputedSize(),r=this.getScale(),i=this.getTranslation(),s=n.width/2,o=n.height/2;e="number"==typeof e?e:o,t=s-(t="number"==typeof t?t:s)*r.sx,e=o-e*r.sy,i.tx===t&&i.ty===e||this.translate(t,e)}centerContent(t){const e=this.graph.getContentArea(t).getCenter();this.centerPoint(e.x,e.y)}centerCell(t){return this.positionCell(t,"center")}positionPoint(t,e,n){const r=this.getComputedSize();(e=Df(e,Math.max(0,r.width)))<0&&(e=r.width+e),(n=Df(n,Math.max(0,r.height)))<0&&(n=r.height+n);const i=this.getTranslation(),s=this.getScale(),o=e-t.x*s.sx,a=n-t.y*s.sy;i.tx===o&&i.ty===a||this.translate(o,a)}positionRect(t,e){const n=Ty.create(t);switch(e){case"center":return this.positionPoint(n.getCenter(),"50%","50%");case"top":return this.positionPoint(n.getTopCenter(),"50%",0);case"top-right":return this.positionPoint(n.getTopRight(),"100%",0);case"right":return this.positionPoint(n.getRightMiddle(),"100%","50%");case"bottom-right":return this.positionPoint(n.getBottomRight(),"100%","100%");case"bottom":return this.positionPoint(n.getBottomCenter(),"50%","100%");case"bottom-left":return this.positionPoint(n.getBottomLeft(),0,"100%");case"left":return this.positionPoint(n.getLeftMiddle(),0,"50%");case"top-left":return this.positionPoint(n.getTopLeft(),0,0);default:return this}}positionCell(t,e){const n=t.getBBox();return this.positionRect(n,e)}positionContent(t,e){const n=this.graph.getContentArea(e);return this.positionRect(n,t)}}class vA extends gA{get elem(){return this.view.background}init(){this.startListening(),this.options.background&&this.draw(this.options.background)}startListening(){this.graph.on("scale",this.update,this),this.graph.on("translate",this.update,this)}stopListening(){this.graph.off("scale",this.update,this),this.graph.off("translate",this.update,this)}updateBackgroundImage(t={}){let e=t.size||"auto auto",n=t.position||"center";const r=this.graph.transform.getScale(),i=this.graph.translate();if("object"==typeof n){n=`${i.tx+r.sx*(n.x||0)}px ${i.ty+r.sy*(n.y||0)}px`}"object"==typeof e&&(e=Ty.fromSize(e).scale(r.sx,r.sy),e=`${e.width}px ${e.height}px`),this.elem.style.backgroundSize=e,this.elem.style.backgroundPosition=n}drawBackgroundImage(t,e={}){if(!(t instanceof HTMLImageElement))return void(this.elem.style.backgroundImage="");const n=this.optionsCache;if(n&&n.image!==e.image)return;let r;const i=e.opacity,s=e.size;let o=e.repeat||"no-repeat";const a=lv.registry.get(o);if("function"==typeof a){const n=e.quality||1;t.width*=n,t.height*=n;const i=a(t,e);if(!(i instanceof HTMLCanvasElement))throw new Error("Background pattern must return an HTML Canvas instance");r=i.toDataURL("image/png"),o=e.repeat&&o!==e.repeat?e.repeat:"repeat","object"==typeof s?(s.width*=i.width/t.width,s.height*=i.height/t.height):void 0===s&&(e.size={width:i.width/n,height:i.height/n})}else r=t.src,void 0===s&&(e.size={width:t.width,height:t.height});null!=n&&"object"==typeof e.size&&e.image===n.image&&e.repeat===n.repeat&&e.quality===n.quality&&(n.size=yo(e.size));const l=this.elem.style;l.backgroundImage=`url(${r})`,l.backgroundRepeat=o,l.opacity=null==i||i>=1?"":`${i}`,this.updateBackgroundImage(e)}updateBackgroundColor(t){this.elem.style.backgroundColor=t||""}updateBackgroundOptions(t){this.graph.options.background=t}update(){this.optionsCache&&this.updateBackgroundImage(this.optionsCache)}draw(t){const e=t||{};if(this.updateBackgroundOptions(t),this.updateBackgroundColor(e.color),e.image){this.optionsCache=yo(e);const n=document.createElement("img");n.onload=()=>this.drawBackgroundImage(n,t),n.setAttribute("crossorigin","anonymous"),n.src=e.image}else this.drawBackgroundImage(null),this.optionsCache=null}clear(){this.draw()}dispose(){this.clear(),this.stopListening()}}n([gA.dispose()],vA.prototype,"dispose",null);class bA extends gA{get widgetOptions(){return this.options.panning}get pannable(){return this.widgetOptions&&!0===this.widgetOptions.enabled}init(){this.onRightMouseDown=this.onRightMouseDown.bind(this),this.onSpaceKeyDown=this.onSpaceKeyDown.bind(this),this.onSpaceKeyUp=this.onSpaceKeyUp.bind(this),this.startListening(),this.updateClassName()}startListening(){this.graph.on("blank:mousedown",this.onMouseDown,this),this.graph.on("node:unhandled:mousedown",this.onMouseDown,this),this.graph.on("edge:unhandled:mousedown",this.onMouseDown,this),ly.on(this.graph.container,"mousedown",this.onRightMouseDown),ly.on(document.body,{keydown:this.onSpaceKeyDown,keyup:this.onSpaceKeyUp}),this.mousewheelHandle=new uy(this.graph.container,this.onMouseWheel.bind(this),this.allowMouseWheel.bind(this)),this.mousewheelHandle.enable()}stopListening(){this.graph.off("blank:mousedown",this.onMouseDown,this),this.graph.off("node:unhandled:mousedown",this.onMouseDown,this),this.graph.off("edge:unhandled:mousedown",this.onMouseDown,this),ly.off(this.graph.container,"mousedown",this.onRightMouseDown),ly.off(document.body,{keydown:this.onSpaceKeyDown,keyup:this.onSpaceKeyUp}),this.mousewheelHandle&&this.mousewheelHandle.disable()}allowPanning(e,n){return e.spaceKey=this.isSpaceKeyPressed,this.pannable&&t.ModifierKey.isMatch(e,this.widgetOptions.modifiers,n)}startPanning(t){const e=this.view.normalizeEvent(t);this.clientX=e.clientX,this.clientY=e.clientY,this.panning=!0,this.updateClassName(),ly.on(document.body,{"mousemove.panning touchmove.panning":this.pan.bind(this),"mouseup.panning touchend.panning":this.stopPanning.bind(this),"mouseleave.panning":this.stopPanning.bind(this)}),ly.on(window,"mouseup.panning",this.stopPanning.bind(this))}pan(t){const e=this.view.normalizeEvent(t),n=e.clientX-this.clientX,r=e.clientY-this.clientY;this.clientX=e.clientX,this.clientY=e.clientY,this.graph.translateBy(n,r)}stopPanning(t){this.panning=!1,this.updateClassName(),ly.off(document.body,".panning"),ly.off(window,".panning")}updateClassName(){const t=this.view.container,e=this.view.prefixClassName("graph-panning"),n=this.view.prefixClassName("graph-pannable");this.pannable?this.panning?(lp(t,e),cp(t,n)):(cp(t,e),lp(t,n)):(cp(t,e),cp(t,n))}onMouseDown({e:t}){if(!this.allowBlankMouseDown(t))return;const e=this.graph.getPlugin("selection"),n=e&&e.allowRubberband(t,!0);(this.allowPanning(t,!0)||this.allowPanning(t)&&!n)&&this.startPanning(t)}onRightMouseDown(t){const e=this.widgetOptions.eventTypes;(null==e?void 0:e.includes("rightMouseDown"))&&2===t.button&&this.allowPanning(t,!0)&&this.startPanning(t)}onMouseWheel(t,e,n){this.graph.translateBy(-e,-n)}onSpaceKeyDown(t){32===t.which&&(this.isSpaceKeyPressed=!0)}onSpaceKeyUp(t){32===t.which&&(this.isSpaceKeyPressed=!1)}allowBlankMouseDown(t){const e=this.widgetOptions.eventTypes;return(null==e?void 0:e.includes("leftMouseDown"))&&0===t.button||(null==e?void 0:e.includes("mouseWheelDown"))&&1===t.button}allowMouseWheel(t){var e;return this.pannable&&!t.ctrlKey&&(null===(e=this.widgetOptions.eventTypes)||void 0===e?void 0:e.includes("mouseWheel"))}autoPanning(t,e){const n=10,r=this.graph.getGraphArea();let i=0,s=0;t<=r.left+n&&(i=-10),e<=r.top+n&&(s=-10),t>=r.right-n&&(i=n),e>=r.bottom-n&&(s=n),0===i&&0===s||this.graph.translateBy(-i,-s)}enablePanning(){this.pannable||(this.widgetOptions.enabled=!0,this.updateClassName())}disablePanning(){this.pannable&&(this.widgetOptions.enabled=!1,this.updateClassName())}dispose(){this.stopListening()}}n([gA.dispose()],bA.prototype,"dispose",null);class xA extends gA{constructor(){super(...arguments),this.cumulatedFactor=1}get widgetOptions(){return this.options.mousewheel}init(){this.container=this.graph.container,this.target=this.widgetOptions.global?document:this.container,this.mousewheelHandle=new uy(this.target,this.onMouseWheel.bind(this),this.allowMouseWheel.bind(this)),this.widgetOptions.enabled&&this.enable(!0)}get disabled(){return!0!==this.widgetOptions.enabled}enable(t){(this.disabled||t)&&(this.widgetOptions.enabled=!0,this.mousewheelHandle.enable())}disable(){this.disabled||(this.widgetOptions.enabled=!1,this.mousewheelHandle.disable())}allowMouseWheel(e){const n=this.widgetOptions.guard;return(null==n||n(e))&&t.ModifierKey.isMatch(e,this.widgetOptions.modifiers)}onMouseWheel(e){const n=this.widgetOptions.guard;if((null==n||n(e))&&t.ModifierKey.isMatch(e,this.widgetOptions.modifiers)){const t=this.widgetOptions.factor||1.2;null==this.currentScale&&(this.startPos={x:e.clientX,y:e.clientY},this.currentScale=this.graph.transform.getScale().sx);e.deltaY<0?this.currentScale<.15?this.cumulatedFactor=(this.currentScale+.01)/this.currentScale:(this.cumulatedFactor=Math.round(this.currentScale*t*20)/20/this.currentScale,1===this.cumulatedFactor&&(this.cumulatedFactor=1.05)):this.currentScale<=.15?this.cumulatedFactor=(this.currentScale-.01)/this.currentScale:(this.cumulatedFactor=Math.round(this.currentScale*(1/t)*20)/20/this.currentScale,1===this.cumulatedFactor&&(this.cumulatedFactor=.95)),this.cumulatedFactor=Math.max(.01,Math.min(this.currentScale*this.cumulatedFactor,160)/this.currentScale);const n=this.currentScale;let r=this.graph.transform.clampScale(n*this.cumulatedFactor);if(r=Hi(r,this.widgetOptions.minScale||Number.MIN_SAFE_INTEGER,this.widgetOptions.maxScale||Number.MAX_SAFE_INTEGER),r!==n)if(this.widgetOptions.zoomAtMousePosition){const t=!!this.graph.getPlugin("scroller")?this.graph.clientToLocal(this.startPos):this.graph.clientToGraph(this.startPos);this.graph.zoom(r,{absolute:!0,center:t.clone()})}else this.graph.zoom(r,{absolute:!0});this.currentScale=null,this.cumulatedFactor=1}}dispose(){this.disable()}}n([r.dispose()],xA.prototype,"dispose",null);class wA extends gA{init(){this.resetRenderArea=Fg(this.resetRenderArea,200,{leading:!0}),this.resetRenderArea(),this.startListening()}startListening(){this.graph.on("translate",this.resetRenderArea,this),this.graph.on("scale",this.resetRenderArea,this),this.graph.on("resize",this.resetRenderArea,this)}stopListening(){this.graph.off("translate",this.resetRenderArea,this),this.graph.off("scale",this.resetRenderArea,this),this.graph.off("resize",this.resetRenderArea,this)}enableVirtualRender(){this.options.virtual=!0,this.resetRenderArea()}disableVirtualRender(){this.options.virtual=!1,this.graph.renderer.setRenderArea(void 0)}resetRenderArea(){if(this.options.virtual){const t=this.graph.getGraphArea();this.graph.renderer.setRenderArea(t)}}dispose(){this.stopListening()}}n([gA.dispose()],wA.prototype,"dispose",null);class AA{constructor(){this.isFlushing=!1,this.isFlushPending=!1,this.scheduleId=0,this.queue=[],this.frameInterval=33,this.initialTime=Date.now()}queueJob(t){if(t.priority&pA.PRIOR)t.cb();else{const e=this.findInsertionIndex(t);e>=0&&this.queue.splice(e,0,t)}}queueFlush(){this.isFlushing||this.isFlushPending||(this.isFlushPending=!0,this.scheduleJob())}queueFlushSync(){this.isFlushing||this.isFlushPending||(this.isFlushPending=!0,this.flushJobsSync())}clearJobs(){this.queue.length=0,this.isFlushing=!1,this.isFlushPending=!1,this.cancelScheduleJob()}flushJobs(){this.isFlushPending=!1,this.isFlushing=!0;const t=this.getCurrentTime();let e;for(;(e=this.queue.shift())&&(e.cb(),!(this.getCurrentTime()-t>=this.frameInterval)););this.isFlushing=!1,this.queue.length&&this.queueFlush()}flushJobsSync(){let t;for(this.isFlushPending=!1,this.isFlushing=!0;t=this.queue.shift();)try{t.cb()}catch(t){console.log(t)}this.isFlushing=!1}findInsertionIndex(t){let e=0,n=this.queue.length,r=n-1;const i=t.priority;for(;e<=r;){const t=(r-e>>1)+e;i<=this.queue[t].priority?e=t+1:(n=t,r=t-1)}return n}scheduleJob(){"requestIdleCallback"in window?(this.scheduleId&&this.cancelScheduleJob(),this.scheduleId=window.requestIdleCallback(this.flushJobs.bind(this),{timeout:100})):(this.scheduleId&&this.cancelScheduleJob(),this.scheduleId=window.setTimeout(this.flushJobs.bind(this)))}cancelScheduleJob(){"cancelIdleCallback"in window?(this.scheduleId&&window.cancelIdleCallback(this.scheduleId),this.scheduleId=0):(this.scheduleId&&clearTimeout(this.scheduleId),this.scheduleId=0)}getCurrentTime(){return"object"==typeof performance&&"function"==typeof performance.now?performance.now():Date.now()-this.initialTime}}!function(t){t[t.Update=2]="Update",t[t.RenderEdge=4]="RenderEdge",t[t.RenderNode=8]="RenderNode",t[t.PRIOR=1048576]="PRIOR"}(pA||(pA={}));class CA extends r{get model(){return this.graph.model}get container(){return this.graph.view.stage}constructor(t){super(),this.views={},this.willRemoveViews={},this.queue=new AA,this.graph=t,this.init()}init(){this.startListening(),this.renderViews(this.model.getCells())}startListening(){this.model.on("reseted",this.onModelReseted,this),this.model.on("cell:added",this.onCellAdded,this),this.model.on("cell:removed",this.onCellRemoved,this),this.model.on("cell:change:zIndex",this.onCellZIndexChanged,this),this.model.on("cell:change:visible",this.onCellVisibleChanged,this)}stopListening(){this.model.off("reseted",this.onModelReseted,this),this.model.off("cell:added",this.onCellAdded,this),this.model.off("cell:removed",this.onCellRemoved,this),this.model.off("cell:change:zIndex",this.onCellZIndexChanged,this),this.model.off("cell:change:visible",this.onCellVisibleChanged,this)}onModelReseted({options:t}){this.queue.clearJobs(),this.removeZPivots(),this.resetViews();const e=this.model.getCells();this.renderViews(e,Object.assign(Object.assign({},t),{queue:e.map((t=>t.id))}))}onCellAdded({cell:t,options:e}){this.renderViews([t],e)}onCellRemoved({cell:t}){this.removeViews([t])}onCellZIndexChanged({cell:t,options:e}){const n=this.views[t.id];n&&this.requestViewUpdate(n.view,CA.FLAG_INSERT,e,pA.Update,!0)}onCellVisibleChanged({cell:t,current:e}){this.toggleVisible(t,!!e)}requestViewUpdate(t,e,n={},r=pA.Update,i=!0){const s=t.cell.id,o=this.views[s];if(!o)return;o.flag=e,o.options=n;(t.hasAction(e,["translate","resize","rotate"])||!1===n.async)&&(r=pA.PRIOR,i=!1),this.queue.queueJob({id:s,priority:r,cb:()=>{this.renderViewInArea(t,e,n);const r=n.queue;if(r){const e=r.indexOf(t.cell.id);e>=0&&r.splice(e,1),0===r.length&&this.graph.trigger("render:done")}}});this.getEffectedEdges(t).forEach((t=>{this.requestViewUpdate(t.view,t.flag,n,r,!1)})),i&&this.flush()}setRenderArea(t){this.renderArea=t,this.flushWaitingViews()}isViewMounted(t){if(null==t)return!1;const e=this.views[t.cell.id];return!!e&&e.state===CA.ViewState.MOUNTED}renderViews(t,e={}){t.sort(((t,e)=>t.isNode()&&e.isEdge()?-1:0)),t.forEach((t=>{const n=t.id;let r=0,i=this.views[n];if(i)r=CA.FLAG_INSERT;else{const s=this.createCellView(t);s&&(s.graph=this.graph,r=CA.FLAG_INSERT|s.getBootstrapFlag(),i={view:s,flag:r,options:e,state:CA.ViewState.CREATED},this.views[n]=i)}i&&this.requestViewUpdate(i.view,r,e,this.getRenderPriority(i.view),!1)})),this.flush()}renderViewInArea(t,e,n={}){const r=t.cell,i=r.id,s=this.views[i];if(!s)return;let o=0;this.isUpdatable(t)||s.state===CA.ViewState.MOUNTED?(o=this.updateView(t,e,n),s.flag=o):s.state=CA.ViewState.WAITING,o&&r.isEdge()&&0==(o&t.getFlag(["source","target"]))&&this.queue.queueJob({id:i,priority:pA.RenderEdge,cb:()=>{this.updateView(t,e,n)}})}removeViews(t){t.forEach((t=>{const e=t.id,n=this.views[e];n&&(this.willRemoveViews[e]=n,delete this.views[e],this.queue.queueJob({id:e,priority:this.getRenderPriority(n.view),cb:()=>{this.removeView(n.view)}}))})),this.flush()}flush(){this.graph.options.async?this.queue.queueFlush():this.queue.queueFlushSync()}flushWaitingViews(){Object.values(this.views).forEach((t=>{if(t&&t.state===CA.ViewState.WAITING){const{view:e,flag:n,options:r}=t;this.requestViewUpdate(e,n,r,this.getRenderPriority(e),!1)}})),this.flush()}updateView(t,e,n={}){if(null==t)return 0;if(sx.isCellView(t)){if(e&CA.FLAG_REMOVE)return this.removeView(t.cell),0;e&CA.FLAG_INSERT&&(this.insertView(t),e^=CA.FLAG_INSERT)}return e?t.confirmUpdate(e,n):0}insertView(t){const e=this.views[t.cell.id];if(e){const n=t.cell.getZIndex(),r=this.addZPivot(n);this.container.insertBefore(t.container,r),t.cell.isVisible()||this.toggleVisible(t.cell,!1),e.state=CA.ViewState.MOUNTED,this.graph.trigger("view:mounted",{view:t})}}resetViews(){this.willRemoveViews=Object.assign(Object.assign({},this.views),this.willRemoveViews),Object.values(this.willRemoveViews).forEach((t=>{t&&this.removeView(t.view)})),this.views={},this.willRemoveViews={}}removeView(t){const e=t.cell,n=this.willRemoveViews[e.id];n&&t&&(n.view.remove(),delete this.willRemoveViews[e.id],this.graph.trigger("view:unmounted",{view:t}))}toggleVisible(t,e){const n=this.model.getConnectedEdges(t);for(let t=0,r=n.length;t<r;t+=1){const r=n[t];if(e){const t=r.getSourceCell(),e=r.getTargetCell();if(t&&!t.isVisible()||e&&!e.isVisible())continue;this.toggleVisible(r,!0)}else this.toggleVisible(r,!1)}const r=this.views[t.id];r&&lm(r.view.container,{display:e?"unset":"none"})}addZPivot(t=0){null==this.zPivots&&(this.zPivots={});const e=this.zPivots;let n=e[t];if(n)return n;n=e[t]=document.createComment(`z-index:${t+1}`);let r=-1/0;for(const n in e){const e=+n;e<t&&e>r&&(r=e)}const i=this.container;if(r!==-1/0){const t=e[r];i.insertBefore(n,t.nextSibling)}else i.insertBefore(n,i.firstChild);return n}removeZPivots(){this.zPivots&&Object.values(this.zPivots).forEach((t=>{t&&t.parentNode&&t.parentNode.removeChild(t)})),this.zPivots={}}createCellView(t){const e={graph:this.graph},n=this.graph.options.createCellView;if(n){const r=ef(n,this.graph,t);if(r)return new r(t,e);if(null===r)return null}const r=t.view;if(null!=r&&"string"==typeof r){const n=sx.registry.get(r);return n?new n(t,e):sx.registry.onNotFound(r)}return t.isNode()?new cA(t,e):t.isEdge()?new hA(t,e):null}getEffectedEdges(t){const e=[],n=t.cell,r=this.model.getConnectedEdges(n);for(let t=0,i=r.length;t<i;t+=1){const i=r[t],s=this.views[i.id];if(!s)continue;const o=s.view;if(!this.isViewMounted(o))continue;const a=["update"];i.getTargetCell()===n&&a.push("target"),i.getSourceCell()===n&&a.push("source"),e.push({id:i.id,view:o,flag:o.getFlag(a)})}return e}isUpdatable(t){if(t.isNodeView())return!this.renderArea||this.renderArea.isIntersectWithRect(t.cell.getBBox());if(t.isEdgeView()){const e=t.cell,n=e.getSourceCell(),r=e.getTargetCell();if(this.renderArea&&n&&r)return this.renderArea.isIntersectWithRect(n.getBBox())||this.renderArea.isIntersectWithRect(r.getBBox())}return!0}getRenderPriority(t){return t.cell.isNode()?pA.RenderNode:pA.RenderEdge}dispose(){this.stopListening(),Object.keys(this.views).forEach((t=>{this.views[t].view.dispose()})),this.views={}}}n([r.dispose()],CA.prototype,"dispose",null),function(t){t.FLAG_INSERT=1<<30,t.FLAG_REMOVE=1<<29,t.FLAG_RENDER=67108863}(CA||(CA={})),function(t){var e;(e=t.ViewState||(t.ViewState={}))[e.CREATED=0]="CREATED",e[e.MOUNTED=1]="MOUNTED",e[e.WAITING=2]="WAITING"}(CA||(CA={}));class PA extends gA{constructor(){super(...arguments),this.schedule=new CA(this.graph)}requestViewUpdate(t,e,n={}){this.schedule.requestViewUpdate(t,e,n)}isViewMounted(t){return this.schedule.isViewMounted(t)}setRenderArea(t){this.schedule.setRenderArea(t)}findViewByElem(t){if(null==t)return null;const e=this.options.container,n="string"==typeof t?e.querySelector(t):t instanceof Element?t:t[0];if(n){const t=this.graph.view.findAttr("data-cell-id",n);if(t){const e=this.schedule.views;if(e[t])return e[t].view}}return null}findViewByCell(t){if(null==t)return null;const e=Gw.isCell(t)?t.id:t,n=this.schedule.views;return n[e]?n[e].view:null}findViewsFromPoint(e){const n={x:e.x,y:e.y};return this.model.getCells().map((t=>this.findViewByCell(t))).filter((e=>null!=e&&t.Util.getBBox(e.container,{target:this.view.stage}).containsPoint(n)))}findEdgeViewsFromPoint(t,e=5){return this.model.getEdges().map((t=>this.findViewByCell(t))).filter((n=>{if(null!=n){const r=n.getClosestPoint(t);if(r)return r.distance(t)<=e}return!1}))}findViewsInArea(e,n={}){const r=Ty.create(e);return this.model.getCells().map((t=>this.findViewByCell(t))).filter((e=>{if(e){if(n.nodeOnly&&!e.isNodeView())return!1;const i=t.Util.getBBox(e.container,{target:this.view.stage});return 0===i.width?i.inflate(1,0):0===i.height&&i.inflate(0,1),n.strict?r.containsRect(i):r.isIntersectWithRect(i)}return!1}))}dispose(){this.schedule.dispose()}}n([gA.dispose()],PA.prototype,"dispose",null);class MA extends gA{get cid(){return this.graph.view.cid}get svg(){return this.view.svg}get defs(){return this.view.defs}isDefined(t){return null!=this.svg.getElementById(t)}filter(e){let n=e.id;const r=e.name;if(n||(n=`filter-${r}-${this.cid}-${Nf(JSON.stringify(e))}`),!this.isDefined(n)){const i=gv.registry.get(r);if(null==i)return gv.registry.onNotFound(r);const s=i(e.args||{}),o=Object.assign(Object.assign({x:-1,y:-1,width:3,height:3,filterUnits:"objectBoundingBox"},e.attrs),{id:n});fm.create(t.Markup.sanitize(s),o).appendTo(this.defs)}return n}gradient(t){let e=t.id;const n=t.type;if(e||(e=`gradient-${n}-${this.cid}-${Nf(JSON.stringify(t))}`),!this.isDefined(e)){const r=t.stops.map((t=>{const e=null!=t.opacity&&Number.isFinite(t.opacity)?t.opacity:1;return`<stop offset="${t.offset}" stop-color="${t.color}" stop-opacity="${e}"/>`})),i=`<${n}>${r.join("")}</${n}>`,s=Object.assign({id:e},t.attrs);fm.create(i,s).appendTo(this.defs)}return e}marker(t){const{id:n,refX:r,refY:i,markerUnits:s,markerOrient:o,tagName:a,children:l}=t,c=e(t,["id","refX","refY","markerUnits","markerOrient","tagName","children"]);let h=n;if(h||(h=`marker-${this.cid}-${Nf(JSON.stringify(t))}`),!this.isDefined(h)){"path"!==a&&delete c.d;const t=fm.create("marker",{refX:r,refY:i,id:h,overflow:"visible",orient:null!=o?o:"auto",markerUnits:s||"userSpaceOnUse"},l?l.map((t=>{var{tagName:n}=t,r=e(t,["tagName"]);return fm.create(`${n}`||"path",Up(Object.assign(Object.assign({},c),r)))})):[fm.create(a||"path",Up(c))]);this.defs.appendChild(t.node)}return h}remove(t){const e=this.svg.getElementById(t);e&&e.parentNode&&e.parentNode.removeChild(e)}}class EA extends gA{getClientMatrix(){return zm(this.view.stage.getScreenCTM())}getClientOffset(){const t=this.view.svg.getBoundingClientRect();return new Oy(t.left,t.top)}getPageOffset(){return this.getClientOffset().translate(window.scrollX,window.scrollY)}snapToGrid(t,e){return("number"==typeof t?this.clientToLocalPoint(t,e):this.clientToLocalPoint(t.x,t.y)).snapToGrid(this.graph.getGridSize())}localToGraphPoint(e,n){const r=Oy.create(e,n);return t.Util.transformPoint(r,this.graph.matrix())}localToClientPoint(e,n){const r=Oy.create(e,n);return t.Util.transformPoint(r,this.getClientMatrix())}localToPagePoint(t,e){return("number"==typeof t?this.localToGraphPoint(t,e):this.localToGraphPoint(t)).translate(this.getPageOffset())}localToGraphRect(e,n,r,i){const s=Ty.create(e,n,r,i);return t.Util.transformRectangle(s,this.graph.matrix())}localToClientRect(e,n,r,i){const s=Ty.create(e,n,r,i);return t.Util.transformRectangle(s,this.getClientMatrix())}localToPageRect(t,e,n,r){return("number"==typeof t?this.localToGraphRect(t,e,n,r):this.localToGraphRect(t)).translate(this.getPageOffset())}graphToLocalPoint(e,n){const r=Oy.create(e,n);return t.Util.transformPoint(r,this.graph.matrix().inverse())}clientToLocalPoint(e,n){const r=Oy.create(e,n);return t.Util.transformPoint(r,this.getClientMatrix().inverse())}clientToGraphPoint(e,n){const r=Oy.create(e,n);return t.Util.transformPoint(r,this.graph.matrix().multiply(this.getClientMatrix().inverse()))}pageToLocalPoint(t,e){const n=Oy.create(t,e).diff(this.getPageOffset());return this.graphToLocalPoint(n)}graphToLocalRect(e,n,r,i){const s=Ty.create(e,n,r,i);return t.Util.transformRectangle(s,this.graph.matrix().inverse())}clientToLocalRect(e,n,r,i){const s=Ty.create(e,n,r,i);return t.Util.transformRectangle(s,this.getClientMatrix().inverse())}clientToGraphRect(e,n,r,i){const s=Ty.create(e,n,r,i);return t.Util.transformRectangle(s,this.graph.matrix().multiply(this.getClientMatrix().inverse()))}pageToLocalRect(t,e,n,r){const i=Ty.create(t,e,n,r),s=this.getPageOffset();return i.x-=s.x,i.y-=s.y,this.graphToLocalRect(i)}}class SA extends gA{constructor(){super(...arguments),this.highlights={}}init(){this.startListening()}startListening(){this.graph.on("cell:highlight",this.onCellHighlight,this),this.graph.on("cell:unhighlight",this.onCellUnhighlight,this)}stopListening(){this.graph.off("cell:highlight",this.onCellHighlight,this),this.graph.off("cell:unhighlight",this.onCellUnhighlight,this)}onCellHighlight({view:t,magnet:e,options:n={}}){const r=this.resolveHighlighter(n);if(!r)return;const i=this.getHighlighterId(e,r);if(!this.highlights[i]){const n=r.highlighter;n.highlight(t,e,Object.assign({},r.args)),this.highlights[i]={cellView:t,magnet:e,highlighter:n,args:r.args}}}onCellUnhighlight({magnet:t,options:e={}}){const n=this.resolveHighlighter(e);if(!n)return;const r=this.getHighlighterId(t,n);this.unhighlight(r)}resolveHighlighter(t){const e=this.options;let n=t.highlighter;if(null==n){const r=t.type;n=r&&e.highlighting[r]||e.highlighting.default}if(null==n)return null;const r="string"==typeof n?{name:n}:n,i=r.name,s=Rb.registry.get(i);return null==s?Rb.registry.onNotFound(i):(Rb.check(i,s),{name:i,highlighter:s,args:r.args||{}})}getHighlighterId(t,e){return dp(t),e.name+t.id+JSON.stringify(e.args)}unhighlight(t){const e=this.highlights[t];e&&(e.highlighter.unhighlight(e.cellView,e.magnet,e.args),delete this.highlights[t])}dispose(){Object.keys(this.highlights).forEach((t=>this.unhighlight(t))),this.stopListening()}}n([SA.dispose()],SA.prototype,"dispose",null);class OA extends gA{getScroller(){const t=this.graph.getPlugin("scroller");return t&&t.options.enabled?t:null}getContainer(){const t=this.getScroller();return t?t.container.parentElement:this.graph.container.parentElement}getSensorTarget(){const t=this.options.autoResize;if(t)return"boolean"==typeof t?this.getContainer():t}init(){if(this.options.autoResize){const e=this.getSensorTarget();e&&t.SizeSensor.bind(e,(()=>{const t=e.offsetWidth,n=e.offsetHeight;this.resize(t,n)}))}}resize(t,e){const n=this.getScroller();n?n.resize(t,e):this.graph.transform.resize(t,e)}dispose(){t.SizeSensor.clear(this.graph.container)}}n([gA.dispose()],OA.prototype,"dispose",null);class TA extends wf{get container(){return this.options.container}get[Symbol.toStringTag](){return TA.toStringTag}constructor(e){super(),this.installedPlugins=new Set,this.options=t.Options.get(e),this.css=new dA(this),this.view=new uA(this),this.defs=new MA(this),this.coord=new EA(this),this.transform=new yA(this),this.highlight=new SA(this),this.grid=new mA(this),this.background=new vA(this),this.options.model?this.model=this.options.model:(this.model=new Xw,this.model.graph=this),this.renderer=new PA(this),this.panning=new bA(this),this.mousewheel=new xA(this),this.virtualRender=new wA(this),this.size=new OA(this)}isNode(t){return t.isNode()}isEdge(t){return t.isEdge()}resetCells(t,e={}){return this.model.resetCells(t,e),this}clearCells(t={}){return this.model.clear(t),this}toJSON(t={}){return this.model.toJSON(t)}parseJSON(t){return this.model.parseJSON(t)}fromJSON(t,e={}){return this.model.fromJSON(t,e),this}getCellById(t){return this.model.getCell(t)}addNode(t,e={}){return this.model.addNode(t,e)}addNodes(t,e={}){return this.addCell(t.map((t=>Ww.isNode(t)?t:this.createNode(t))),e)}createNode(t){return this.model.createNode(t)}removeNode(t,e={}){return this.model.removeCell(t,e)}addEdge(t,e={}){return this.model.addEdge(t,e)}addEdges(t,e={}){return this.addCell(t.map((t=>Hw.isEdge(t)?t:this.createEdge(t))),e)}removeEdge(t,e={}){return this.model.removeCell(t,e)}createEdge(t){return this.model.createEdge(t)}addCell(t,e={}){return this.model.addCell(t,e),this}removeCell(t,e={}){return this.model.removeCell(t,e)}removeCells(t,e={}){return this.model.removeCells(t,e)}removeConnectedEdges(t,e={}){return this.model.removeConnectedEdges(t,e)}disconnectConnectedEdges(t,e={}){return this.model.disconnectConnectedEdges(t,e),this}hasCell(t){return this.model.has(t)}getCells(){return this.model.getCells()}getCellCount(){return this.model.total()}getNodes(){return this.model.getNodes()}getEdges(){return this.model.getEdges()}getOutgoingEdges(t){return this.model.getOutgoingEdges(t)}getIncomingEdges(t){return this.model.getIncomingEdges(t)}getConnectedEdges(t,e={}){return this.model.getConnectedEdges(t,e)}getRootNodes(){return this.model.getRoots()}getLeafNodes(){return this.model.getLeafs()}isRootNode(t){return this.model.isRoot(t)}isLeafNode(t){return this.model.isLeaf(t)}getNeighbors(t,e={}){return this.model.getNeighbors(t,e)}isNeighbor(t,e,n={}){return this.model.isNeighbor(t,e,n)}getSuccessors(t,e={}){return this.model.getSuccessors(t,e)}isSuccessor(t,e,n={}){return this.model.isSuccessor(t,e,n)}getPredecessors(t,e={}){return this.model.getPredecessors(t,e)}isPredecessor(t,e,n={}){return this.model.isPredecessor(t,e,n)}getCommonAncestor(...t){return this.model.getCommonAncestor(...t)}getSubGraph(t,e={}){return this.model.getSubGraph(t,e)}cloneSubGraph(t,e={}){return this.model.cloneSubGraph(t,e)}cloneCells(t){return this.model.cloneCells(t)}getNodesFromPoint(t,e){return this.model.getNodesFromPoint(t,e)}getNodesInArea(t,e,n,r,i){return this.model.getNodesInArea(t,e,n,r,i)}getNodesUnderNode(t,e={}){return this.model.getNodesUnderNode(t,e)}searchCell(t,e,n={}){return this.model.search(t,e,n),this}getShortestPath(t,e,n={}){return this.model.getShortestPath(t,e,n)}getAllCellsBBox(){return this.model.getAllCellsBBox()}getCellsBBox(t,e={}){return this.model.getCellsBBox(t,e)}startBatch(t,e={}){this.model.startBatch(t,e)}stopBatch(t,e={}){this.model.stopBatch(t,e)}batchUpdate(t,e,n){const r="string"==typeof t?t:"update",i="string"==typeof t?e:t,s="function"==typeof e?n:e;this.startBatch(r,s);const o=i();return this.stopBatch(r,s),o}updateCellId(t,e){return this.model.updateCellId(t,e)}findView(t){return Gw.isCell(t)?this.findViewByCell(t):this.findViewByElem(t)}findViews(t){return Ty.isRectangleLike(t)?this.findViewsInArea(t):Oy.isPointLike(t)?this.findViewsFromPoint(t):[]}findViewByCell(t){return this.renderer.findViewByCell(t)}findViewByElem(t){return this.renderer.findViewByElem(t)}findViewsFromPoint(t,e){const n="number"==typeof t?{x:t,y:e}:t;return this.renderer.findViewsFromPoint(n)}findViewsInArea(t,e,n,r,i){const s="number"==typeof t?{x:t,y:e,width:n,height:r}:t,o="number"==typeof t?i:e;return this.renderer.findViewsInArea(s,o)}matrix(t){return void 0===t?this.transform.getMatrix():(this.transform.setMatrix(t),this)}resize(t,e){const n=this.getPlugin("scroller");return n?n.resize(t,e):this.transform.resize(t,e),this}scale(t,e=t,n=0,r=0){return void 0===t?this.transform.getScale():(this.transform.scale(t,e,n,r),this)}zoom(t,e){const n=this.getPlugin("scroller");if(n){if(void 0===t)return n.zoom();n.zoom(t,e)}else{if(void 0===t)return this.transform.getZoom();this.transform.zoom(t,e)}return this}zoomTo(t,e={}){const n=this.getPlugin("scroller");return n?n.zoom(t,Object.assign(Object.assign({},e),{absolute:!0})):this.transform.zoom(t,Object.assign(Object.assign({},e),{absolute:!0})),this}zoomToRect(t,e={}){const n=this.getPlugin("scroller");return n?n.zoomToRect(t,e):this.transform.zoomToRect(t,e),this}zoomToFit(t={}){const e=this.getPlugin("scroller");return e?e.zoomToFit(t):this.transform.zoomToFit(t),this}rotate(t,e,n){return void 0===t?this.transform.getRotation():(this.transform.rotate(t,e,n),this)}translate(t,e){return void 0===t?this.transform.getTranslation():(this.transform.translate(t,e),this)}translateBy(t,e){const n=this.translate(),r=n.tx+t,i=n.ty+e;return this.translate(r,i)}getGraphArea(){return this.transform.getGraphArea()}getContentArea(t={}){return this.transform.getContentArea(t)}getContentBBox(t={}){return this.transform.getContentBBox(t)}fitToContent(t,e,n,r){return this.transform.fitToContent(t,e,n,r)}scaleContentToFit(t={}){return this.transform.scaleContentToFit(t),this}center(t){return this.centerPoint(t)}centerPoint(t,e,n){const r=this.getPlugin("scroller");return r?r.centerPoint(t,e,n):this.transform.centerPoint(t,e),this}centerContent(t){const e=this.getPlugin("scroller");return e?e.centerContent(t):this.transform.centerContent(t),this}centerCell(t,e){const n=this.getPlugin("scroller");return n?n.centerCell(t,e):this.transform.centerCell(t),this}positionPoint(t,e,n,r={}){const i=this.getPlugin("scroller");return i?i.positionPoint(t,e,n,r):this.transform.positionPoint(t,e,n),this}positionRect(t,e,n){const r=this.getPlugin("scroller");return r?r.positionRect(t,e,n):this.transform.positionRect(t,e),this}positionCell(t,e,n){const r=this.getPlugin("scroller");return r?r.positionCell(t,e,n):this.transform.positionCell(t,e),this}positionContent(t,e){const n=this.getPlugin("scroller");return n?n.positionContent(t,e):this.transform.positionContent(t,e),this}snapToGrid(t,e){return this.coord.snapToGrid(t,e)}pageToLocal(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.pageToLocalRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.pageToLocalRect(t,e,n,r):this.coord.pageToLocalPoint(t,e)}localToPage(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.localToPageRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.localToPageRect(t,e,n,r):this.coord.localToPagePoint(t,e)}clientToLocal(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.clientToLocalRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.clientToLocalRect(t,e,n,r):this.coord.clientToLocalPoint(t,e)}localToClient(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.localToClientRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.localToClientRect(t,e,n,r):this.coord.localToClientPoint(t,e)}localToGraph(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.localToGraphRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.localToGraphRect(t,e,n,r):this.coord.localToGraphPoint(t,e)}graphToLocal(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.graphToLocalRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.graphToLocalRect(t,e,n,r):this.coord.graphToLocalPoint(t,e)}clientToGraph(t,e,n,r){return Ty.isRectangleLike(t)?this.coord.clientToGraphRect(t):"number"==typeof t&&"number"==typeof e&&"number"==typeof n&&"number"==typeof r?this.coord.clientToGraphRect(t,e,n,r):this.coord.clientToGraphPoint(t,e)}defineFilter(t){return this.defs.filter(t)}defineGradient(t){return this.defs.gradient(t)}defineMarker(t){return this.defs.marker(t)}getGridSize(){return this.grid.getGridSize()}setGridSize(t){return this.grid.setGridSize(t),this}showGrid(){return this.grid.show(),this}hideGrid(){return this.grid.hide(),this}clearGrid(){return this.grid.clear(),this}drawGrid(t){return this.grid.draw(t),this}updateBackground(){return this.background.update(),this}drawBackground(t,e){const n=this.getPlugin("scroller");return null==n||null!=this.options.background&&e?this.background.draw(t):n.drawBackground(t,e),this}clearBackground(t){const e=this.getPlugin("scroller");return null==e||null!=this.options.background&&t?this.background.clear():e.clearBackground(t),this}enableVirtualRender(){return this.virtualRender.enableVirtualRender(),this}disableVirtualRender(){return this.virtualRender.disableVirtualRender(),this}isMouseWheelEnabled(){return!this.mousewheel.disabled}enableMouseWheel(){return this.mousewheel.enable(),this}disableMouseWheel(){return this.mousewheel.disable(),this}toggleMouseWheel(t){return null==t?this.isMouseWheelEnabled()?this.disableMouseWheel():this.enableMouseWheel():t?this.enableMouseWheel():this.disableMouseWheel(),this}isPannable(){const t=this.getPlugin("scroller");return t?t.isPannable():this.panning.pannable}enablePanning(){const t=this.getPlugin("scroller");return t?t.enablePanning():this.panning.enablePanning(),this}disablePanning(){const t=this.getPlugin("scroller");return t?t.disablePanning():this.panning.disablePanning(),this}togglePanning(t){return null==t?this.isPannable()?this.disablePanning():this.enablePanning():t!==this.isPannable()&&(t?this.enablePanning():this.disablePanning()),this}use(t,...e){return this.installedPlugins.has(t)||(this.installedPlugins.add(t),t.init(this,...e)),this}getPlugin(t){return Array.from(this.installedPlugins).find((e=>e.name===t))}getPlugins(t){return Array.from(this.installedPlugins).filter((e=>t.includes(e.name)))}enablePlugins(t){let e=t;Array.isArray(e)||(e=[e]);const n=this.getPlugins(e);return null==n||n.forEach((t=>{var e;null===(e=null==t?void 0:t.enable)||void 0===e||e.call(t)})),this}disablePlugins(t){let e=t;Array.isArray(e)||(e=[e]);const n=this.getPlugins(e);return null==n||n.forEach((t=>{var e;null===(e=null==t?void 0:t.disable)||void 0===e||e.call(t)})),this}isPluginEnabled(t){var e;const n=this.getPlugin(t);return null===(e=null==n?void 0:n.isEnabled)||void 0===e?void 0:e.call(n)}disposePlugins(t){let e=t;Array.isArray(e)||(e=[e]);const n=this.getPlugins(e);return null==n||n.forEach((t=>{t.dispose(),this.installedPlugins.delete(t)})),this}dispose(t=!0){t&&this.model.dispose(),this.css.dispose(),this.defs.dispose(),this.grid.dispose(),this.coord.dispose(),this.transform.dispose(),this.highlight.dispose(),this.background.dispose(),this.mousewheel.dispose(),this.panning.dispose(),this.view.dispose(),this.renderer.dispose(),this.installedPlugins.forEach((t=>{t.dispose()}))}}n([wf.dispose()],TA.prototype,"dispose",null),function(t){t.View=uA,t.Renderer=PA,t.MouseWheel=xA,t.DefsManager=MA,t.GridManager=mA,t.CoordManager=EA,t.TransformManager=yA,t.HighlightManager=SA,t.BackgroundManager=vA,t.PanningManager=bA}(TA||(TA={})),function(t){t.toStringTag=`X6.${t.name}`,t.isGraph=function(e){if(null==e)return!1;if(e instanceof t)return!0;const n=e[Symbol.toStringTag];return null==n||n===t.toStringTag}}(TA||(TA={})),function(t){t.render=function(e,n){const r=e instanceof HTMLElement?new t({container:e}):new t(e);return null!=n&&r.fromJSON(n),r}}(TA||(TA={})),function(t){t.registerNode=Ww.registry.register,t.registerEdge=Hw.registry.register,t.registerView=sx.registry.register,t.registerAttr=Ob.registry.register,t.registerGrid=iv.registry.register,t.registerFilter=gv.registry.register,t.registerNodeTool=Ex.registry.register,t.registerEdgeTool=Sx.registry.register,t.registerBackground=lv.registry.register,t.registerHighlighter=Rb.registry.register,t.registerPortLayout=Gb.registry.register,t.registerPortLabelLayout=Kb.registry.register,t.registerMarker=gb.registry.register,t.registerRouter=Ow.registry.register,t.registerConnector=Rw.registry.register,t.registerAnchor=Fx.registry.register,t.registerEdgeAnchor=Hx.registry.register,t.registerConnectionPoint=Kx.registry.register}(TA||(TA={})),function(t){t.unregisterNode=Ww.registry.unregister,t.unregisterEdge=Hw.registry.unregister,t.unregisterView=sx.registry.unregister,t.unregisterAttr=Ob.registry.unregister,t.unregisterGrid=iv.registry.unregister,t.unregisterFilter=gv.registry.unregister,t.unregisterNodeTool=Ex.registry.unregister,t.unregisterEdgeTool=Sx.registry.unregister,t.unregisterBackground=lv.registry.unregister,t.unregisterHighlighter=Rb.registry.unregister,t.unregisterPortLayout=Gb.registry.unregister,t.unregisterPortLabelLayout=Kb.registry.unregister,t.unregisterMarker=gb.registry.unregister,t.unregisterRouter=Ow.registry.unregister,t.unregisterConnector=Rw.registry.unregister,t.unregisterAnchor=Fx.registry.unregister,t.unregisterEdgeAnchor=Hx.registry.unregister,t.unregisterConnectionPoint=Kx.registry.unregister}(TA||(TA={}));class kA extends Ww{}!function(t){class e extends cA{init(){super.init(),this.cell.on("change:*",this.onCellChangeAny,this)}onCellChangeAny({key:e}){const n=t.shapeMaps[this.cell.shape];if(n){const{effect:t}=n;t&&!t.includes(e)||this.renderHTMLComponent()}}confirmUpdate(t){const n=super.confirmUpdate(t);return this.handleAction(n,e.action,(()=>this.renderHTMLComponent()))}renderHTMLComponent(){const e=this.selectors&&this.selectors.foContent;if(e){Tp(e);const n=t.shapeMaps[this.cell.shape];if(!n)return;let{html:r}=n;"function"==typeof r&&(r=r(this.cell)),r&&("string"==typeof r?e.innerHTML=r:kp(e,r))}}dispose(){this.cell.off("change:*",this.onCellChangeAny,this)}}n([e.dispose()],e.prototype,"dispose",null),t.View=e,function(t){t.action="html",t.config({bootstrap:[t.action],actions:{html:t.action}}),cA.registry.register("html-view",t,!0)}(e=t.View||(t.View={}))}(kA||(kA={})),function(e){e.config({view:"html-view",markup:[{tagName:"rect",selector:"body"},Object.assign({},t.Markup.getForeignObjectMarkup()),{tagName:"text",selector:"label"}],attrs:{body:{fill:"none",stroke:"none",refWidth:"100%",refHeight:"100%"},fo:{refWidth:"100%",refHeight:"100%"}}}),Ww.registry.register("html",e,!0)}(kA||(kA={})),function(t){t.shapeMaps={},t.register=function(n){const{shape:r,html:i,effect:s,inherit:o}=n,a=e(n,["shape","html","effect","inherit"]);if(!r)throw new Error("should specify shape in config");t.shapeMaps[r]={html:i,effect:s},TA.registerNode(r,Object.assign({inherit:o||"html"},a),!0)}}(kA||(kA={}));var NA=Object.freeze({__proto__:null,Circle:lA,Edge:tA,Ellipse:eA,get HTML(){return kA},Image:aA,Path:sA,Polygon:rA,Polyline:iA,Rect:Qw,TextBlock:oA});t.ArrayExt=Af,t.BackgroundManager=vA,t.Basecoat=wf,t.Cell=Gw,t.CellView=sx,t.Collection=Jw,t.Color=by,t.Config=kb,t.CssLoader=Ey,t.Curve=Vy,t.Dictionary=xy,t.Disablable=class extends wf{get disabled(){return!0===this._disabled}enable(){delete this._disabled}disable(){this._disabled=!0}},t.Disposable=r,t.DisposableDelegate=class{constructor(t){this.callback=t}get disposed(){return!this.callback}dispose(){if(!this.callback)return;const t=this.callback;this.callback=null,t()}},t.DisposableSet=i,t.Dom=dy,t.Edge=Hw,t.EdgeView=hA,t.Ellipse=Ny,t.Events=lf,t.FunctionExt=of,t.Graph=TA,t.GraphView=uA,t.Line=ky,t.Model=Xw,t.Node=Ww,t.NodeView=cA,t.NumberExt=Vf,t.ObjectExt=bf,t.Path=Zy,t.Point=Oy,t.Polyline=Ry,t.PriorityQueue=my,t.Rectangle=Ty,t.Registry=$w,t.Segment=zy,t.Shape=NA,t.StringExt=Bf,t.Text=Jp,t.ToolsView=ox,t.TransformManager=yA,t.Vector=fm,t.View=ex,t.normalizePathData=Yy}));
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