d3-graphviz.min.js

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E.push(null),this;b.transition(n).transition().duration(0).on("end",function(){f._active=!1,0!=E.length&&(E.shift(),f.render())}),this._active=!0}null!=n&&b.transition(n).on("start",function(){f._dispatch.call("transitionStart",f)}).on("end",function(){f._dispatch.call("transitionEnd",f)}).transition().duration(0).on("start",function(){f._dispatch.call("restoreEnd",f),f._dispatch.call("end",f),t&&t.call(f)});var P=this._data,k=b.selectAll("svg").data([P],function(t){return t.key});return k=k.enter().append("svg").merge(k),g.call(k.node(),P),this._zoom&&!this._zoomBehavior&&v.call(this),f._dispatch.call("renderEnd",f),null==n&&(this._dispatch.call("end",this),t&&t.call(this)),this}function E(t,e){if("polygon"==t.tag){(c=g(t)).tag="path";var n=g(u=t.attributes),r=u.points;if("polygon"==e.tag){(f=t.bbox).cx=f.x+f.width/2,f.cy=f.y+f.height/2;for(var a=u.points.split(" "),i=a.map(function(t){var e=t.split(",");return[e[0]-f.cx,e[1]-f.cy]}),o=i[i.length-1][0],s=i[i.length-1][1],l=0;l<i.length;l++,o=m,s=w){var d=(m=i[l][0])-o;if(0!=(k=(w=i[l][1])-s))if(0<=(x=o-s*d/k)&&x<1/0&&(o<=x&&x<=m||m<=x&&x<=o))break}var h=[[f.cx+x,f.cy+0].join(",")];r=(h=(h=h.concat(a.slice(l))).concat(a.slice(0,l))).join(" ")}n.d="M"+r+"z",delete n.points,c.attributes=n}else{var c;(c=g(t)).tag="path";n=g(u=t.attributes);var u,f,p=u.cx,v=u.cy,y=u.rx,_=u.ry;(f=e.bbox).cx=f.x+f.width/2,f.cy=f.y+f.height/2;var m,w,x,b=e.attributes.points.split(" ")[0].split(","),E=b[0],P=b[1],k=(d=E-f.cx,P-f.cy),D=Math.sqrt(Math.pow(d,2)+Math.pow(k,2)),N=d/D,z=-k/D;d=(x=y*-N)-(m=y*N),k=-_*-z-(w=-_*z);n.d="M "+p+" "+v+" m "+m+","+w+" a "+y+","+_+" 0 1,0 "+d+","+k+" a "+y+","+_+" 0 1,0 "+-d+","+-k+"z",delete n.cx,delete n.cy,delete n.rx,delete n.ry,c.attributes=n}return c}var P=function(t,e,n){return e in 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