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r=arguments.length<=2||void 0===arguments[2]?{}:arguments[2];if(!(0,x.isPlainObject)(r))throw new m.default("The optAttrDict argument must be a plain object.");this.succ.has(e)||(this.succ.set(e,new g.default),this.pred.set(e,new g.default),this.node.set(e,{})),this.succ.has(t)||(this.succ.set(t,new g.default),this.pred.set(t,new g.default),this.node.set(t,{}));var n=this.adj.get(e).get(t)||{};s(n,r),this.succ.get(e).set(t,n),this.pred.get(t).set(e,n)}},{key:"addEdgesFrom",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if(!(0,x.isPlainObject)(t))throw new m.default("The opt_attr_dict argument must be an object.");(0,x.forEach)(e,function(e){var r,n,a,i=(0,x.size)(e);if(3===i)r=e[0],n=e[1],a=e[2];else{if(2!==i)throw new m.default((0,x.sprintf)('Edge tuple "%j" must be a 2-tuple or 3-tuple.',e));r=e[0],n=e[1],a={}}this.succ.has(r)||(this.succ.set(r,new g.default),this.pred.set(r,new g.default),this.node.set(r,{})),this.succ.has(n)||(this.succ.set(n,new 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t=!(arguments.length<=1||void 0===arguments[1])&&arguments[1];return c(this.inEdgesIter(e,t))}},{key:"degreeIter",value:function(e,t){var r,n=this;if(null==e)r=(0,x.zipIterator)(this.succ.entries(),this.pred.entries());else{var a=(0,x.createTupleFactory)(2),i=(0,x.createTupleFactory)(2);r=(0,x.zipIterator)((0,x.mapIterator)(this.nbunchIter(e),function(e){return a(e,n.succ.get(e))}),(0,x.mapIterator)(this.nbunchIter(e),function(e){return i(e,n.pred.get(e))}))}return null==t?(0,x.mapIterator)(r,function(e){var t=u(e,2),r=u(t[0],2),n=r[0],a=r[1],i=u(t[1],2);i[0];return[n,i[1].size+a.size]}):(0,x.mapIterator)(r,function(e){function r(e){var r=e[t];l+=null!=r?+r:1}var n=u(e,2),a=u(n[0],2),i=a[0],o=a[1],s=u(n[1],2),c=(s[0],s[1]),l=0;return o.forEach(r),c.forEach(r),[i,l]})}},{key:"inDegreeIter",value:function(e,t){var r,n=this;return r=null==e?this.pred:(0,x.mapIterator)(this.nbunchIter(e),function(e){return(0,x.tuple2)(e,n.pred.get(e))}),null==t?(0,x.mapIterator)(r,function(e){var t=u(e,2);return[t[0],t[1].size]}):(0,x.mapIterator)(r,function(e){var r=u(e,2),n=r[0],a=r[1],i=0;return a.forEach(function(e){var r=e[t];i+=null!=r?+r:1}),[n,i]})}},{key:"outDegreeIter",value:function(e,t){var r,n=this;return r=null==e?this.succ:(0,x.mapIterator)(this.nbunchIter(e),function(e){return(0,x.tuple2)(e,n.succ.get(e))}),null==t?(0,x.mapIterator)(r,function(e){var t=u(e,2);return[t[0],t[1].size]}):(0,x.mapIterator)(r,function(e){var r=u(e,2),n=r[0],a=r[1],i=0;return a.forEach(function(e){var r=e[t];i+=null!=r?+r:1}),[n,i]})}},{key:"inDegree",value:function(e,t){return null!=e&&this.hasNode(e)?(0,x.next)(this.inDegreeIter(e,t))[1]:new g.default(this.inDegreeIter(e,t))}},{key:"outDegree",value:function(e,t){return null!=e&&this.hasNode(e)?(0,x.next)(this.outDegreeIter(e,t))[1]:new g.default(this.outDegreeIter(e,t))}},{key:"clear",value:function(){this.succ.clear(),this.pred.clear(),this.node.clear(),(0,x.clear)(this.graph)}},{key:"isMultigraph",value:function(){return!1}},{key:"isDirected",value:function(){return!0}},{key:"toDirected",value:function(){return(0,x.deepcopy)(this)}},{key:"toUndirected",value:function(e){var t=new v.default;t.name=this.name,t.addNodesFrom(this);var r=this.pred;return e?t.addEdgesFrom(l.mark(function e(){var t,n,a,i,o,u,s,c,d,h,p,v,b,g;return l.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:t=!0,n=!1,a=void 0,e.prev=3,i=f(this.adjacencyIter());case 5:if(t=(o=i.next()).done){e.next=39;break}u=o.value,s=u[0],c=r.get(s),d=!0,h=!1,p=void 0,e.prev=12,v=f(u[1]);case 14:if(d=(b=v.next()).done){e.next=22;break}if(g=b.value,!c.has(g[0])){e.next=19;break}return e.next=19,(0,x.tuple3)(s,g[0],(0,x.deepcopy)(g[1]));case 19:d=!0,e.next=14;break;case 22:e.next=28;break;case 24:e.prev=24,e.t0=e.catch(12),h=!0,p=e.t0;case 28:e.prev=28,e.prev=29,!d&&v.return&&v.return();case 31:if(e.prev=31,!h){e.next=34;break}throw p;case 34:return e.finish(31);case 35:return e.finish(28);case 36:t=!0,e.next=5;break;case 39:e.next=45;break;case 41:e.prev=41,e.t1=e.catch(3),n=!0,a=e.t1;case 45:e.prev=45,e.prev=46,!t&&i.return&&i.return();case 48:if(e.prev=48,!n){e.next=51;break}throw a;case 51:return e.finish(48);case 52:return e.finish(45);case 53:case"end":return e.stop()}},e,this,[[3,41,45,53],[12,24,28,36],[29,,31,35],[46,,48,52]])}).call(this)):t.addEdgesFrom(l.mark(function e(){var t,r,n,a,i,o,u,s,c,d,h,p;return l.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:t=!0,r=!1,n=void 0,e.prev=3,a=f(this.adjacencyIter());case 5:if(t=(i=a.next()).done){e.next=36;break}o=i.value,u=!0,s=!1,c=void 0,e.prev=10,d=f(o[1]);case 12:if(u=(h=d.next()).done){e.next=19;break}return p=h.value,e.next=16,(0,x.tuple3)(o[0],p[0],(0,x.deepcopy)(p[1]));case 16:u=!0,e.next=12;break;case 19:e.next=25;break;case 21:e.prev=21,e.t0=e.catch(10),s=!0,c=e.t0;case 25:e.prev=25,e.prev=26,!u&&d.return&&d.return();case 28:if(e.prev=28,!s){e.next=31;break}throw c;case 31:return e.finish(28);case 32:return e.finish(25);case 33:t=!0,e.next=5;break;case 36:e.next=42;break;case 38:e.prev=38,e.t1=e.catch(3),r=!0,n=e.t1;case 42:e.prev=42,e.prev=43,!t&&a.return&&a.return();case 45:if(e.prev=45,!r){e.next=48;break}throw n;case 48:return e.finish(45);case 49:return e.finish(42);case 50:case"end":return e.stop()}},e,this,[[3,38,42,50],[10,21,25,33],[26,,28,32],[43,,45,49]])}).call(this)),t.graph=(0,x.deepcopy)(this.graph),t.node=(0,x.deepcopy)(this.node),t}},{key:"reverse",value:function(){var e,t=arguments.length<=0||void 0===arguments[0]||arguments[0];if(t)e=new this.constructor(null,{name:"Reverse of ("+this.name+")"}),e.addNodesFrom(this),e.addEdgesFrom((0,x.mapIterator)(this.edgesIter(null,!0),function(e){return(0,x.tuple3c)(e[1],e[0],(0,x.deepcopy)(e[2]),e)})),e.graph=(0,x.deepcopy)(this.graph),e.node=(0,x.deepcopy)(this.node);else{var r=this.pred,n=this.succ;this.succ=r,this.pred=n,this.adj=this.succ,e=this}return e}},{key:"subgraph",value:function(e){var t,r=this.nbunchIter(e),n=new this.constructor,a=!0,i=!1,o=void 0;try{for(var s,c=f(r);!(a=(s=c.next()).done);a=!0)t=s.value,n.node.set(t,this.node.get(t))}catch(e){i=!0,o=e}finally{try{!a&&c.return&&c.return()
}finally{if(i)throw o}}var l=n.succ,d=n.pred,h=!0,p=!1,v=void 0;try{for(var b,y=f(n);!(h=(b=y.next()).done);h=!0)t=b.value,l.set(t,new g.default),d.set(t,new g.default)}catch(e){p=!0,v=e}finally{try{!h&&y.return&&y.return()}finally{if(p)throw v}}var m=!0,_=!1,w=void 0;try{for(var x,j=f(l);!(m=(x=j.next()).done);m=!0){var k=x.value,E=u(k,2),S=E[0],O=E[1],$=!0,A=!1,M=void 0;try{for(var I,P=f(this.succ.get(S));!($=(I=P.next()).done);$=!0){var N=I.value,D=u(N,2),q=D[0],L=D[1];l.has(q)&&(O.set(q,L),d.get(q).set(S,L))}}catch(e){A=!0,M=e}finally{try{!$&&P.return&&P.return()}finally{if(A)throw M}}}}catch(e){_=!0,w=e}finally{try{!m&&j.return&&j.return()}finally{if(_)throw w}}return n.graph=this.graph,n}}],[{key:"__name__",get:function(){return"DiGraph"}}]),t}(v.default);r.default=j,t.exports=r.default},{"../_internals":20,"../_internals/Map":3,"../convert":69,"../exceptions/JSNetworkXError":73,"./Graph":61,"babel-runtime/core-js/array/from":88,"babel-runtime/core-js/get-iterator":89,"babel-runtime/core-js/object/assign":92,"babel-runtime/helpers/class-call-check":102,"babel-runtime/helpers/create-class":103,"babel-runtime/helpers/get":106,"babel-runtime/helpers/inherits":107,"babel-runtime/helpers/interop-require-default":109,"babel-runtime/helpers/interop-require-wildcard":110,"babel-runtime/helpers/sliced-to-array":111,"babel-runtime/regenerator":112}],61:[function(e,t,r){"use strict";var n=e("babel-runtime/helpers/create-class").default,a=e("babel-runtime/helpers/class-call-check").default,i=e("babel-runtime/helpers/sliced-to-array").default,o=e("babel-runtime/core-js/object/assign").default,u=e("babel-runtime/core-js/array/from").default,s=e("babel-runtime/core-js/get-iterator").default,c=e("babel-runtime/regenerator").default,l=e("babel-runtime/core-js/symbol/iterator").default,f=e("babel-runtime/helpers/interop-require-default").default,d=e("babel-runtime/helpers/interop-require-wildcard").default;Object.defineProperty(r,"__esModule",{value:!0});var h=e("../exceptions/KeyError"),p=f(h),v=e("../_internals/Map"),b=f(v),g=e("../_internals/Set"),y=f(g),m=e("../exceptions/JSNetworkXError"),_=f(m),w=e("lodash/isBoolean"),x=f(w),j=e("lodash/isString"),k=f(j),E=e("../convert"),S=d(E),O=e("../_internals"),$=function(){function t(e,r){if(a(this,t),!(this instanceof t))return new t(e,r);this.graph={},this.node=new b.default,this.adj=new b.default,null!=e&&S.toNetworkxGraph(e,this),r&&o(this.graph,r),this.edge=this.adj}return n(t,[{key:"toString",value:function(){return this.name}},{key:"get",value:function(e){var t=this.adj.get(e);if(void 0===t)throw new p.default("Graph does not contain node "+e+".");return t}},{key:"addNode",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];if(!(0,O.isPlainObject)(t))throw new _.default("The attr_dict argument must be an object.");this.node.has(e)?o(this.node.get(e),t):(this.adj.set(e,new b.default),this.node.set(e,t))}},{key:"addNodesFrom",value:function(e){var t=arguments.length<=1||void 0===arguments[1]?{}:arguments[1];(0,O.forEach)(e,function(e){if(Array.isArray(e)&&2===e.length&&(0,O.isPlainObject)(e[1])){var r=i(e,2),n=r[0],a=r[1];if(this.adj.has(n)){var u=this.node.get(n);o(u,t,a)}else{this.adj.set(n,new b.default);var s=(0,O.clone)(t);this.node.set(n,o(s,a))}}else{!this.node.has(e)?(this.adj.set(e,new b.default),this.node.set(e,(0,O.clone)(t))):o(this.node.get(e),t)}},this)}},{key:"removeNode",value:function(e){var t=this.adj;if(!this.node.delete(e))throw new _.default("The node %s is not in the graph",e);t.get(e).forEach(function(r,n){return t.get(n).delete(e)}),t.delete(e)}},{key:"removeNodesFrom",value:function(e){var t=this.adj,r=this.node;(0,O.forEach)(e,function(e){r.delete(e)&&(t.get(e).forEach(function(r,n){return t.get(n).delete(e)}),t.delete(e))})}},{key:"nodesIter",value:function(){return arguments.length<=0||void 0===arguments[0]||!arguments[0]?this.node.keys():(0,O.toIterator)(this.node)}},{key:"nodes",value:function(){var e=!(arguments.length<=0||void 0===arguments[0])&&arguments[0];return u(e?this.node.entries():this.node.keys())}},{key:"numberOfNodes",value:function(){return this.node.size}},{key:"order",value:function(){return this.node.size}},{key:"hasNode",value:function(e){return this.node.has(e)}},{key:"addEdge",value:function(e,t,r){if(r&&!(0,O.isPlainObject)(r))throw new _.default("The attr_dict argument must be an object.");this.node.has(e)||(this.adj.set(e,new b.default),this.node.set(e,{})),this.node.has(t)||(this.adj.set(t,new b.default),this.node.set(t,{}));var n=this.adj.get(e).get(t)||{};o(n,r),this.adj.get(e).set(t,n),this.adj.get(t).set(e,n)}},{key:"addEdgesFrom",value:function(e,t){if(t&&!(0,O.isPlainObject)(t))throw new _.default("The attr_dict argument must be an object.");var r=!0,n=!1,a=void 0;try{for(var u,c=s(e);!(r=(u=c.next()).done);r=!0){var l=u.value;if(null==l.length)throw new _.default((0,O.sprintf)("Edge tuple %j must be a 2-tuple or 3-tuple.",l));var f=i(l,3),d=f[0],h=f[1],p=f[2];if((0,O.isPlainObject)(p)||(p={}),null==d||null==h||null!=l[3])throw new _.default((0,O.sprintf)("Edge tuple %j must be a 2-tuple or 3-tuple.",l));this.node.has(d)||(this.adj.set(d,new b.default),this.node.set(d,{})),this.node.has(h)||(this.adj.set(h,new b.default),this.node.set(h,{}));var v=this.adj.get(d).get(h)||{};o(v,t,p),this.adj.get(d).set(h,v),this.adj.get(h).set(d,v)}}catch(e){n=!0,a=e}finally{try{!r&&c.return&&c.return()}finally{if(n)throw a}}}},{key:"addWeightedEdgesFrom",value:function(e,t,r){r=r||{},(0,k.default)(t)||(r=t,t="weight"),this.addEdgesFrom((0,O.mapSequence)(e,function(e){var r={};if(r[t]=e[2],null==r[t])throw new TypeError("Values must consist of three elements: %s.",e);return[e[0],e[1],r]}),r)}},{key:"removeEdge",value:function(e,t){var r=this.adj.get(e);if(null==r)throw new _.default("The edge %s-%s is not in the graph",e,t);r.delete(t);var n=this.adj.get(t);n!==r&&n.delete(e)}},{key:"removeEdgesFrom",value:function(e){var t=this.adj;(0,O.forEach)(e,function(e){var r=i(e,2),n=r[0],a=r[1],o=t.get(n);if(null!=o&&o.has(a)){o.delete(a);var u=t.get(a);u!==o&&u.delete(n)}})}},{key:"hasEdge",value:function(e,t){var r=this.adj.get(e);return r&&r.has(t)}},{key:"neighbors",value:function(e){return u(this.neighborsIter(e))}},{key:"neighborsIter",value:function(e){var t=this.adj.get(e);if(null!=t)return t.keys();throw new _.default("The node %s is not in the graph.",e)}},{key:"edges",value:function(e){var t=!(arguments.length<=1||void 0===arguments[1])&&arguments[1];return u(this.edgesIter(e,t))}},{key:"edgesIter",value:c.mark(function e(t){var r,n,a,i,o,u,l,f,d,h,p,v,b,g,m,_,w=!(arguments.length<=1||void 0===arguments[1])&&arguments[1];return c.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:(0,x.default)(t)&&(w=t,t=null),r=new y.default,null==t?n=this.adj.entries():(a=this.adj,n=(0,O.mapIterator)(this.nbunchIter(t),function(e){return(0,O.tuple2)(e,a.get(e))})),i=!0,o=!1,u=void 0,e.prev=6,l=s(n);case 8:if(i=(f=l.next()).done){e.next=49;break}d=f.value,h=d[0],p=!0,v=!1,b=void 0,e.prev=14,g=s(d[1].entries());case 16:if(p=(m=g.next()).done){e.next=30;break}if(_=m.value,r.has(_[0])){e.next=27;break}if(!w){e.next=25;break}return _.unshift(h),e.next=23,_;case 23:e.next=27;break;case 25:return e.next=27,[h,_[0]];case 27:p=!0,e.next=16;break;case 30:e.next=36;break;case 32:e.prev=32,e.t0=e.catch(14),v=!0,b=e.t0;case 36:e.prev=36,e.prev=37,!p&&g.return&&g.return();case 39:if(e.prev=39,!v){e.next=42;break}throw b;case 42:return e.finish(39);case 43:return e.finish(36);case 44:r.add(h),d.length=0;case 46:i=!0,e.next=8;break;case 49:e.next=55;break;case 51:e.prev=51,e.t1=e.catch(6),o=!0,u=e.t1;case 55:e.prev=55,e.prev=56,!i&&l.return&&l.return();case 58:if(e.prev=58,!o){e.next=61;break}throw u;case 61:return e.finish(58);case 62:return e.finish(55);case 63:case"end":return e.stop()}},e,this,[[6,51,55,63],[14,32,36,44],[37,,39,43],[56,,58,62]])})},{key:"getEdgeData",value:function(e,t){var r=arguments.length<=2||void 0===arguments[2]?null:arguments[2],n=this.adj.get(e);if(null!=n){var a=n.get(t);if(null!=a)return a}return r}},{key:"adjacencyList",value:function(){return u((0,O.mapIterator)(this.adjacencyIter(),function(e){var t=i(e,2),r=(t[0],t[1]);return u(r.keys())}))}},{key:"adjacencyIter",value:function(){return this.adj.entries()}},{key:"degree",value:function(e,t){return null!=e&&this.hasNode(e)?this.degreeIter(e,t).next().value[1]:new b.default(this.degreeIter(e,t))}},{key:"degreeIter",value:function(e,t){var r,n=this;return null==e?r=this.adj.entries():function(){var t=n.adj;r=(0,O.mapIterator)(n.nbunchIter(e),function(e){return(0,O.tuple2)(e,t.get(e))})}(),t?(0,O.mapIterator)(r,function(e){var r=i(e,2),n=r[0],a=r[1],o=0;if(a.forEach(function(e){var r=e[t];o+=+(null!=r?r:1)}),a.has(n)){var u=a.get(n)[t];o+=+(null!=u?u:1)}return[n,o]}):(0,O.mapIterator)(r,function(e){var t=i(e,2),r=t[0],n=t[1];return[r,n.size+ +n.has(r)]})}},{key:"clear",value:function(){this.name="",this.adj.clear(),this.node.clear(),(0,O.clear)(this.graph)}},{key:"copy",value:function(){return(0,O.deepcopy)(this)}},{key:"isMultigraph",value:function(){return!1}},{key:"isDirected",value:function(){return!1}},{key:"toDirected",value:function(){var t=new(e("./DiGraph"));return t.name=this.name,t.addNodesFrom(this),t.addEdgesFrom(c.mark(function e(){var t,r,n,a,i,o,u,l,f,d,h,p,v;return c.wrap(function(e){for(;;)switch(e.prev=e.next){case 0:t=!0,r=!1,n=void 0,e.prev=3,a=s(this.adjacencyIter());case 5:if(t=(i=a.next()).done){e.next=37;break}o=i.value,u=o[0],l=!0,f=!1,d=void 0,e.prev=11,h=s(o[1]);case 13:if(l=(p=h.next()).done){e.next=20;break}return v=p.value,e.next=17,(0,O.tuple3)(u,v[0],(0,O.deepcopy)(v[1]));case 17:l=!0,e.next=13;break;case 20:e.next=26;break;case 22:e.prev=22,e.t0=e.catch(11),f=!0,d=e.t0;case 26:e.prev=26,e.prev=27,!l&&h.return&&h.return();case 29:if(e.prev=29,!f){e.next=32;break}throw d;case 32:return e.finish(29);case 33:return e.finish(26);case 34:t=!0,e.next=5;break;case 37:e.next=43;break;case 39:e.prev=39,e.t1=e.catch(3),r=!0,n=e.t1;case 43:e.prev=43,e.prev=44,!t&&a.return&&a.return();case 46:if(e.prev=46,!r){e.next=49;break}throw n;case 49:return e.finish(46);case 50:return e.finish(43);case 51:case"end":return e.stop()}},e,this,[[3,39,43,51],[11,22,26,34],[27,,29,33],[44,,46,50]])}).call(this)),t.graph=(0,O.deepcopy)(this.graph),t.node=(0,O.deepcopy)(this.node),t}},{key:"toUndirected",value:function(){return(0,O.deepcopy)(this)}},{key:"subgraph",value:function(e){var t,r=this.nbunchIter(e),n=new this.constructor,a=!0,i=!1,o=void 0;try{for(var u,c=s(r);!(a=(u=c.next()).done);a=!0)t=u.value,n.node.set(t,this.node.get(t))}catch(e){i=!0,o=e}finally{try{!a&&c.return&&c.return()}finally{if(i)throw o}}var l=n.adj,f=this.adj,d=!0,h=!1,p=void 0;try{for(var v,g=s(n);!(d=(v=g.next()).done);d=!0){t=v.value;var y=new b.default;l.set(t,y);var m=!0,_=!1,w=void 0;try{for(var x,j=s(f.get(t));!(m=(x=j.next()).done);m=!0){var k=x.value,E=k[0],S=k[1];l.has(E)&&(y.set(E,S),l.get(E).set(t,S))}}catch(e){_=!0,w=e}finally{try{!m&&j.return&&j.return()}finally{if(_)throw w}}}}catch(e){h=!0,p=e}finally{try{!d&&g.return&&g.return()}finally{if(h)throw p}}return n.graph=this.graph,n}},{key:"nodesWithSelfloops",value:function(){var e=[],t=!0,r=!1,n=void 0;try{for(var a,i=s(this.adj.entries());!(t=(a=i.next()).done);t=!0){var o=a.value;o[1].has(o[0])&&e.push(o[0])}}catch(e){r=!0,n=e}finally{try{!t&&i.return&&i.return()}finally{if(r)throw n}}return e}},{key:"selfloopEdges",value:function(){var e=!(arguments.length<=0||void 0===arguments[0])&&arguments[0],t=[],r=!0,n=!1,a=void 0;try{for(var o,u=s(this.adj.entries());!(r=(o=u.next()).done);r=!0){var c=o.value,l=i(c,2),f=l[0],d=l[1];d.has(f)&&(e?t.push((0,O.tuple3c)(f,f,d.get(f),c)):t.push((0,O.tuple2c)(f,f,c)))}}catch(e){n=!0,a=e}finally{try{!r&&u.return&&u.return()}finally{if(n)throw a}}return 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