diff --git a/bower.json b/bower.json
index 0d51f93b..46815830 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "graphlib",
-  "version": "2.2.3",
+  "version": "2.2.4",
   "main": [
     "dist/graphlib.core.js"
   ],
diff --git a/dist/graphlib.core.js b/dist/graphlib.core.js
index 3e60a926..2e297c95 100644
--- a/dist/graphlib.core.js
+++ b/dist/graphlib.core.js
@@ -47,7 +47,7 @@ function components(g) {
   var cmpt;
 
   function dfs(v) {
-    if (visited.hasOwnProperty(v)) return;
+    if (Object.hasOwn(visited, v)) return;
     visited[v] = true;
     cmpt.push(v);
     g.successors(v).forEach(dfs);
@@ -104,7 +104,7 @@ function postOrderDfs(v, navigation, visited, acc) {
     if (curr[1]) {
       acc.push(curr[0]);
     } else {
-      if (!visited.hasOwnProperty(curr[0])) {
+      if (!Object.hasOwn(visited, curr[0])) {
         visited[curr[0]] = true;
         stack.push([curr[0], true]);
         forEachRight(navigation(curr[0]), w => stack.push([w, false]));
@@ -117,7 +117,7 @@ function preOrderDfs(v, navigation, visited, acc) {
   var stack = [v];
   while (stack.length > 0) {
     var curr = stack.pop();
-    if (!visited.hasOwnProperty(curr)) {
+    if (!Object.hasOwn(visited, curr)) {
       visited[curr] = true;
       acc.push(curr);
       forEachRight(navigation(curr), w => stack.push(w));
@@ -351,7 +351,7 @@ function prim(g, weightFunc) {
   var init = false;
   while (pq.size() > 0) {
     v = pq.removeMin();
-    if (parents.hasOwnProperty(v)) {
+    if (Object.hasOwn(parents, v)) {
       result.setEdge(v, parents[v]);
     } else if (init) {
       throw new Error("Input graph is not connected: " + g);
@@ -383,7 +383,7 @@ function tarjan(g) {
     stack.push(v);
 
     g.successors(v).forEach(function(w) {
-      if (!visited.hasOwnProperty(w)) {
+      if (!Object.hasOwn(visited, w)) {
         dfs(w);
         entry.lowlink = Math.min(entry.lowlink, visited[w].lowlink);
       } else if (visited[w].onStack) {
@@ -404,7 +404,7 @@ function tarjan(g) {
   }
 
   g.nodes().forEach(function(v) {
-    if (!visited.hasOwnProperty(v)) {
+    if (!Object.hasOwn(visited, v)) {
       dfs(v);
     }
   });
@@ -419,11 +419,11 @@ function topsort(g) {
   var results = [];
 
   function visit(node) {
-    if (stack.hasOwnProperty(node)) {
+    if (Object.hasOwn(stack, node)) {
       throw new CycleException();
     }
 
-    if (!visited.hasOwnProperty(node)) {
+    if (!Object.hasOwn(visited, node)) {
       stack[node] = true;
       visited[node] = true;
       g.predecessors(node).forEach(visit);
@@ -480,7 +480,7 @@ class PriorityQueue {
    * Returns `true` if **key** is in the queue and `false` if not.
    */
   has(key) {
-    return this._keyIndices.hasOwnProperty(key);
+    return Object.hasOwn(this._keyIndices, key);
   }
 
   /**
@@ -518,7 +518,7 @@ class PriorityQueue {
   add(key, priority) {
     var keyIndices = this._keyIndices;
     key = String(key);
-    if (!keyIndices.hasOwnProperty(key)) {
+    if (!Object.hasOwn(keyIndices, key)) {
       var arr = this._arr;
       var index = arr.length;
       keyIndices[key] = index;
@@ -666,9 +666,9 @@ class Graph {
 
   constructor(opts) {
     if (opts) {
-      this._isDirected = opts.hasOwnProperty("directed") ? opts.directed : true;
-      this._isMultigraph = opts.hasOwnProperty("multigraph") ? opts.multigraph : false;
-      this._isCompound = opts.hasOwnProperty("compound") ? opts.compound : false;
+      this._isDirected = Object.hasOwn(opts, "directed") ? opts.directed : true;
+      this._isMultigraph = Object.hasOwn(opts, "multigraph") ? opts.multigraph : false;
+      this._isCompound = Object.hasOwn(opts, "compound") ? opts.compound : false;
     }
 
     if (this._isCompound) {
@@ -797,7 +797,7 @@ class Graph {
    * Complexity: O(1).
    */
   setNode(v, value) {
-    if (this._nodes.hasOwnProperty(v)) {
+    if (Object.hasOwn(this._nodes, v)) {
       if (arguments.length > 1) {
         this._nodes[v] = value;
       }
@@ -830,7 +830,7 @@ class Graph {
    * Detects whether graph has a node with specified name or not.
    */
   hasNode(v) {
-    return this._nodes.hasOwnProperty(v);
+    return Object.hasOwn(this._nodes, v);
   }
 
   /**
@@ -841,7 +841,7 @@ class Graph {
    */
   removeNode(v) {
     var self = this;
-    if (this._nodes.hasOwnProperty(v)) {
+    if (Object.hasOwn(this._nodes, v)) {
       var removeEdge = e => self.removeEdge(self._edgeObjs[e]);
       delete this._nodes[v];
       if (this._isCompound) {
@@ -1119,7 +1119,7 @@ class Graph {
     }
 
     var e = edgeArgsToId(this._isDirected, v, w, name);
-    if (this._edgeLabels.hasOwnProperty(e)) {
+    if (Object.hasOwn(this._edgeLabels, e)) {
       if (valueSpecified) {
         this._edgeLabels[e] = value;
       }
@@ -1184,7 +1184,7 @@ class Graph {
     var e = (arguments.length === 1
       ? edgeObjToId(this._isDirected, arguments[0])
       : edgeArgsToId(this._isDirected, v, w, name));
-    return this._edgeLabels.hasOwnProperty(e);
+    return Object.hasOwn(this._edgeLabels, e);
   }
 
   /**
@@ -1390,7 +1390,7 @@ function read(json) {
 }
 
 },{"./graph":16}],19:[function(require,module,exports){
-module.exports = '2.2.3';
+module.exports = '2.2.4';
 
 },{}]},{},[1])(1)
 });
diff --git a/dist/graphlib.core.min.js b/dist/graphlib.core.min.js
index c638472c..c925c2b6 100644
--- a/dist/graphlib.core.min.js
+++ b/dist/graphlib.core.min.js
@@ -28,7 +28,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/json"),alg:require("./lib/alg"),version:lib.version}},{"./lib":17,"./lib/alg":8,"./lib/json":18}],2:[function(require,module,exports){module.exports=components;function components(g){var visited={};var cmpts=[];var cmpt;function dfs(v){if(visited.hasOwnProperty(v))return;visited[v]=true;cmpt.push(v);g.successors(v).forEach(dfs);g.predecessors(v).forEach(dfs)}g.nodes().forEach(function(v){cmpt=[];dfs(v);if(cmpt.length){cmpts.push(cmpt)}});return cmpts}},{}],3:[function(require,module,exports){module.exports=dfs;
+var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/json"),alg:require("./lib/alg"),version:lib.version}},{"./lib":17,"./lib/alg":8,"./lib/json":18}],2:[function(require,module,exports){module.exports=components;function components(g){var visited={};var cmpts=[];var cmpt;function dfs(v){if(Object.hasOwn(visited,v))return;visited[v]=true;cmpt.push(v);g.successors(v).forEach(dfs);g.predecessors(v).forEach(dfs)}g.nodes().forEach(function(v){cmpt=[];dfs(v);if(cmpt.length){cmpts.push(cmpt)}});return cmpts}},{}],3:[function(require,module,exports){module.exports=dfs;
 /*
  * A helper that preforms a pre- or post-order traversal on the input graph
  * and returns the nodes in the order they were visited. If the graph is
@@ -36,10 +36,10 @@ var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/jso
  * is directed then this algorithm will navigate using successors.
  *
  * If the order is not "post", it will be treated as "pre".
- */function dfs(g,vs,order){if(!Array.isArray(vs)){vs=[vs]}var navigation=g.isDirected()?v=>g.successors(v):v=>g.neighbors(v);var orderFunc=order==="post"?postOrderDfs:preOrderDfs;var acc=[];var visited={};vs.forEach(v=>{if(!g.hasNode(v)){throw new Error("Graph does not have node: "+v)}orderFunc(v,navigation,visited,acc)});return acc}function postOrderDfs(v,navigation,visited,acc){var stack=[[v,false]];while(stack.length>0){var curr=stack.pop();if(curr[1]){acc.push(curr[0])}else{if(!visited.hasOwnProperty(curr[0])){visited[curr[0]]=true;stack.push([curr[0],true]);forEachRight(navigation(curr[0]),w=>stack.push([w,false]))}}}}function preOrderDfs(v,navigation,visited,acc){var stack=[v];while(stack.length>0){var curr=stack.pop();if(!visited.hasOwnProperty(curr)){visited[curr]=true;acc.push(curr);forEachRight(navigation(curr),w=>stack.push(w))}}}function forEachRight(array,iteratee){var length=array.length;while(length--){iteratee(array[length],length,array)}return array}},{}],4:[function(require,module,exports){var dijkstra=require("./dijkstra");module.exports=dijkstraAll;function dijkstraAll(g,weightFunc,edgeFunc){return g.nodes().reduce(function(acc,v){acc[v]=dijkstra(g,v,weightFunc,edgeFunc);return acc},{})}},{"./dijkstra":5}],5:[function(require,module,exports){var PriorityQueue=require("../data/priority-queue");module.exports=dijkstra;var DEFAULT_WEIGHT_FUNC=()=>1;function dijkstra(g,source,weightFn,edgeFn){return runDijkstra(g,String(source),weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runDijkstra(g,source,weightFn,edgeFn){var results={};var pq=new PriorityQueue;var v,vEntry;var updateNeighbors=function(edge){var w=edge.v!==v?edge.v:edge.w;var wEntry=results[w];var weight=weightFn(edge);var distance=vEntry.distance+weight;if(weight<0){throw new Error("dijkstra does not allow negative edge weights. "+"Bad edge: "+edge+" Weight: "+weight)}if(distance<wEntry.distance){wEntry.distance=distance;wEntry.predecessor=v;pq.decrease(w,distance)}};g.nodes().forEach(function(v){var distance=v===source?0:Number.POSITIVE_INFINITY;results[v]={distance:distance};pq.add(v,distance)});while(pq.size()>0){v=pq.removeMin();vEntry=results[v];if(vEntry.distance===Number.POSITIVE_INFINITY){break}edgeFn(v).forEach(updateNeighbors)}return results}},{"../data/priority-queue":15}],6:[function(require,module,exports){var tarjan=require("./tarjan");module.exports=findCycles;function findCycles(g){return tarjan(g).filter(function(cmpt){return cmpt.length>1||cmpt.length===1&&g.hasEdge(cmpt[0],cmpt[0])})}},{"./tarjan":13}],7:[function(require,module,exports){module.exports=floydWarshall;var DEFAULT_WEIGHT_FUNC=()=>1;function floydWarshall(g,weightFn,edgeFn){return runFloydWarshall(g,weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runFloydWarshall(g,weightFn,edgeFn){var results={};var nodes=g.nodes();nodes.forEach(function(v){results[v]={};results[v][v]={distance:0};nodes.forEach(function(w){if(v!==w){results[v][w]={distance:Number.POSITIVE_INFINITY}}});edgeFn(v).forEach(function(edge){var w=edge.v===v?edge.w:edge.v;var d=weightFn(edge);results[v][w]={distance:d,predecessor:v}})});nodes.forEach(function(k){var rowK=results[k];nodes.forEach(function(i){var rowI=results[i];nodes.forEach(function(j){var ik=rowI[k];var kj=rowK[j];var ij=rowI[j];var altDistance=ik.distance+kj.distance;if(altDistance<ij.distance){ij.distance=altDistance;ij.predecessor=kj.predecessor}})})});return results}},{}],8:[function(require,module,exports){module.exports={components:require("./components"),dijkstra:require("./dijkstra"),dijkstraAll:require("./dijkstra-all"),findCycles:require("./find-cycles"),floydWarshall:require("./floyd-warshall"),isAcyclic:require("./is-acyclic"),postorder:require("./postorder"),preorder:require("./preorder"),prim:require("./prim"),tarjan:require("./tarjan"),topsort:require("./topsort")}},{"./components":2,"./dijkstra":5,"./dijkstra-all":4,"./find-cycles":6,"./floyd-warshall":7,"./is-acyclic":9,"./postorder":10,"./preorder":11,"./prim":12,"./tarjan":13,"./topsort":14}],9:[function(require,module,exports){var topsort=require("./topsort");module.exports=isAcyclic;function isAcyclic(g){try{topsort(g)}catch(e){if(e instanceof topsort.CycleException){return false}throw e}return true}},{"./topsort":14}],10:[function(require,module,exports){var dfs=require("./dfs");module.exports=postorder;function postorder(g,vs){return dfs(g,vs,"post")}},{"./dfs":3}],11:[function(require,module,exports){var dfs=require("./dfs");module.exports=preorder;function preorder(g,vs){return dfs(g,vs,"pre")}},{"./dfs":3}],12:[function(require,module,exports){var Graph=require("../graph");var PriorityQueue=require("../data/priority-queue");module.exports=prim;function prim(g,weightFunc){var result=new Graph;var parents={};var pq=new PriorityQueue;var v;function updateNeighbors(edge){var w=edge.v===v?edge.w:edge.v;var pri=pq.priority(w);if(pri!==undefined){var edgeWeight=weightFunc(edge);if(edgeWeight<pri){parents[w]=v;pq.decrease(w,edgeWeight)}}}if(g.nodeCount()===0){return result}g.nodes().forEach(function(v){pq.add(v,Number.POSITIVE_INFINITY);result.setNode(v)});
+ */function dfs(g,vs,order){if(!Array.isArray(vs)){vs=[vs]}var navigation=g.isDirected()?v=>g.successors(v):v=>g.neighbors(v);var orderFunc=order==="post"?postOrderDfs:preOrderDfs;var acc=[];var visited={};vs.forEach(v=>{if(!g.hasNode(v)){throw new Error("Graph does not have node: "+v)}orderFunc(v,navigation,visited,acc)});return acc}function postOrderDfs(v,navigation,visited,acc){var stack=[[v,false]];while(stack.length>0){var curr=stack.pop();if(curr[1]){acc.push(curr[0])}else{if(!Object.hasOwn(visited,curr[0])){visited[curr[0]]=true;stack.push([curr[0],true]);forEachRight(navigation(curr[0]),w=>stack.push([w,false]))}}}}function preOrderDfs(v,navigation,visited,acc){var stack=[v];while(stack.length>0){var curr=stack.pop();if(!Object.hasOwn(visited,curr)){visited[curr]=true;acc.push(curr);forEachRight(navigation(curr),w=>stack.push(w))}}}function forEachRight(array,iteratee){var length=array.length;while(length--){iteratee(array[length],length,array)}return array}},{}],4:[function(require,module,exports){var dijkstra=require("./dijkstra");module.exports=dijkstraAll;function dijkstraAll(g,weightFunc,edgeFunc){return g.nodes().reduce(function(acc,v){acc[v]=dijkstra(g,v,weightFunc,edgeFunc);return acc},{})}},{"./dijkstra":5}],5:[function(require,module,exports){var PriorityQueue=require("../data/priority-queue");module.exports=dijkstra;var DEFAULT_WEIGHT_FUNC=()=>1;function dijkstra(g,source,weightFn,edgeFn){return runDijkstra(g,String(source),weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runDijkstra(g,source,weightFn,edgeFn){var results={};var pq=new PriorityQueue;var v,vEntry;var updateNeighbors=function(edge){var w=edge.v!==v?edge.v:edge.w;var wEntry=results[w];var weight=weightFn(edge);var distance=vEntry.distance+weight;if(weight<0){throw new Error("dijkstra does not allow negative edge weights. "+"Bad edge: "+edge+" Weight: "+weight)}if(distance<wEntry.distance){wEntry.distance=distance;wEntry.predecessor=v;pq.decrease(w,distance)}};g.nodes().forEach(function(v){var distance=v===source?0:Number.POSITIVE_INFINITY;results[v]={distance:distance};pq.add(v,distance)});while(pq.size()>0){v=pq.removeMin();vEntry=results[v];if(vEntry.distance===Number.POSITIVE_INFINITY){break}edgeFn(v).forEach(updateNeighbors)}return results}},{"../data/priority-queue":15}],6:[function(require,module,exports){var tarjan=require("./tarjan");module.exports=findCycles;function findCycles(g){return tarjan(g).filter(function(cmpt){return cmpt.length>1||cmpt.length===1&&g.hasEdge(cmpt[0],cmpt[0])})}},{"./tarjan":13}],7:[function(require,module,exports){module.exports=floydWarshall;var DEFAULT_WEIGHT_FUNC=()=>1;function floydWarshall(g,weightFn,edgeFn){return runFloydWarshall(g,weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runFloydWarshall(g,weightFn,edgeFn){var results={};var nodes=g.nodes();nodes.forEach(function(v){results[v]={};results[v][v]={distance:0};nodes.forEach(function(w){if(v!==w){results[v][w]={distance:Number.POSITIVE_INFINITY}}});edgeFn(v).forEach(function(edge){var w=edge.v===v?edge.w:edge.v;var d=weightFn(edge);results[v][w]={distance:d,predecessor:v}})});nodes.forEach(function(k){var rowK=results[k];nodes.forEach(function(i){var rowI=results[i];nodes.forEach(function(j){var ik=rowI[k];var kj=rowK[j];var ij=rowI[j];var altDistance=ik.distance+kj.distance;if(altDistance<ij.distance){ij.distance=altDistance;ij.predecessor=kj.predecessor}})})});return results}},{}],8:[function(require,module,exports){module.exports={components:require("./components"),dijkstra:require("./dijkstra"),dijkstraAll:require("./dijkstra-all"),findCycles:require("./find-cycles"),floydWarshall:require("./floyd-warshall"),isAcyclic:require("./is-acyclic"),postorder:require("./postorder"),preorder:require("./preorder"),prim:require("./prim"),tarjan:require("./tarjan"),topsort:require("./topsort")}},{"./components":2,"./dijkstra":5,"./dijkstra-all":4,"./find-cycles":6,"./floyd-warshall":7,"./is-acyclic":9,"./postorder":10,"./preorder":11,"./prim":12,"./tarjan":13,"./topsort":14}],9:[function(require,module,exports){var topsort=require("./topsort");module.exports=isAcyclic;function isAcyclic(g){try{topsort(g)}catch(e){if(e instanceof topsort.CycleException){return false}throw e}return true}},{"./topsort":14}],10:[function(require,module,exports){var dfs=require("./dfs");module.exports=postorder;function postorder(g,vs){return dfs(g,vs,"post")}},{"./dfs":3}],11:[function(require,module,exports){var dfs=require("./dfs");module.exports=preorder;function preorder(g,vs){return dfs(g,vs,"pre")}},{"./dfs":3}],12:[function(require,module,exports){var Graph=require("../graph");var PriorityQueue=require("../data/priority-queue");module.exports=prim;function prim(g,weightFunc){var result=new Graph;var parents={};var pq=new PriorityQueue;var v;function updateNeighbors(edge){var w=edge.v===v?edge.w:edge.v;var pri=pq.priority(w);if(pri!==undefined){var edgeWeight=weightFunc(edge);if(edgeWeight<pri){parents[w]=v;pq.decrease(w,edgeWeight)}}}if(g.nodeCount()===0){return result}g.nodes().forEach(function(v){pq.add(v,Number.POSITIVE_INFINITY);result.setNode(v)});
 // Start from an arbitrary node
-pq.decrease(g.nodes()[0],0);var init=false;while(pq.size()>0){v=pq.removeMin();if(parents.hasOwnProperty(v)){result.setEdge(v,parents[v])}else if(init){throw new Error("Input graph is not connected: "+g)}else{init=true}g.nodeEdges(v).forEach(updateNeighbors)}return result}},{"../data/priority-queue":15,"../graph":16}],13:[function(require,module,exports){module.exports=tarjan;function tarjan(g){var index=0;var stack=[];var visited={};// node id -> { onStack, lowlink, index }
-var results=[];function dfs(v){var entry=visited[v]={onStack:true,lowlink:index,index:index++};stack.push(v);g.successors(v).forEach(function(w){if(!visited.hasOwnProperty(w)){dfs(w);entry.lowlink=Math.min(entry.lowlink,visited[w].lowlink)}else if(visited[w].onStack){entry.lowlink=Math.min(entry.lowlink,visited[w].index)}});if(entry.lowlink===entry.index){var cmpt=[];var w;do{w=stack.pop();visited[w].onStack=false;cmpt.push(w)}while(v!==w);results.push(cmpt)}}g.nodes().forEach(function(v){if(!visited.hasOwnProperty(v)){dfs(v)}});return results}},{}],14:[function(require,module,exports){function topsort(g){var visited={};var stack={};var results=[];function visit(node){if(stack.hasOwnProperty(node)){throw new CycleException}if(!visited.hasOwnProperty(node)){stack[node]=true;visited[node]=true;g.predecessors(node).forEach(visit);delete stack[node];results.push(node)}}g.sinks().forEach(visit);if(Object.keys(visited).length!==g.nodeCount()){throw new CycleException}return results}class CycleException extends Error{constructor(){super(...arguments)}}module.exports=topsort;topsort.CycleException=CycleException},{}],15:[function(require,module,exports){
+pq.decrease(g.nodes()[0],0);var init=false;while(pq.size()>0){v=pq.removeMin();if(Object.hasOwn(parents,v)){result.setEdge(v,parents[v])}else if(init){throw new Error("Input graph is not connected: "+g)}else{init=true}g.nodeEdges(v).forEach(updateNeighbors)}return result}},{"../data/priority-queue":15,"../graph":16}],13:[function(require,module,exports){module.exports=tarjan;function tarjan(g){var index=0;var stack=[];var visited={};// node id -> { onStack, lowlink, index }
+var results=[];function dfs(v){var entry=visited[v]={onStack:true,lowlink:index,index:index++};stack.push(v);g.successors(v).forEach(function(w){if(!Object.hasOwn(visited,w)){dfs(w);entry.lowlink=Math.min(entry.lowlink,visited[w].lowlink)}else if(visited[w].onStack){entry.lowlink=Math.min(entry.lowlink,visited[w].index)}});if(entry.lowlink===entry.index){var cmpt=[];var w;do{w=stack.pop();visited[w].onStack=false;cmpt.push(w)}while(v!==w);results.push(cmpt)}}g.nodes().forEach(function(v){if(!Object.hasOwn(visited,v)){dfs(v)}});return results}},{}],14:[function(require,module,exports){function topsort(g){var visited={};var stack={};var results=[];function visit(node){if(Object.hasOwn(stack,node)){throw new CycleException}if(!Object.hasOwn(visited,node)){stack[node]=true;visited[node]=true;g.predecessors(node).forEach(visit);delete stack[node];results.push(node)}}g.sinks().forEach(visit);if(Object.keys(visited).length!==g.nodeCount()){throw new CycleException}return results}class CycleException extends Error{constructor(){super(...arguments)}}module.exports=topsort;topsort.CycleException=CycleException},{}],15:[function(require,module,exports){
 /**
  * A min-priority queue data structure. This algorithm is derived from Cormen,
  * et al., "Introduction to Algorithms". The basic idea of a min-priority
@@ -56,7 +56,7 @@ class PriorityQueue{_arr=[];_keyIndices={};
    */keys(){return this._arr.map(function(x){return x.key})}
 /**
    * Returns `true` if **key** is in the queue and `false` if not.
-   */has(key){return this._keyIndices.hasOwnProperty(key)}
+   */has(key){return Object.hasOwn(this._keyIndices,key)}
 /**
    * Returns the priority for **key**. If **key** is not present in the queue
    * then this function returns `undefined`. Takes `O(1)` time.
@@ -74,7 +74,7 @@ class PriorityQueue{_arr=[];_keyIndices={};
    *
    * @param {Object} key the key to add
    * @param {Number} priority the initial priority for the key
-   */add(key,priority){var keyIndices=this._keyIndices;key=String(key);if(!keyIndices.hasOwnProperty(key)){var arr=this._arr;var index=arr.length;keyIndices[key]=index;arr.push({key:key,priority:priority});this._decrease(index);return true}return false}
+   */add(key,priority){var keyIndices=this._keyIndices;key=String(key);if(!Object.hasOwn(keyIndices,key)){var arr=this._arr;var index=arr.length;keyIndices[key]=index;arr.push({key:key,priority:priority});this._decrease(index);return true}return false}
 /**
    * Removes and returns the smallest key in the queue. Takes `O(log n)` time.
    */removeMin(){this._swap(0,this._arr.length-1);var min=this._arr.pop();delete this._keyIndices[min.key];this._heapify(0);return min.key}
@@ -116,7 +116,7 @@ _edgeObjs={};
 // e -> label
 _edgeLabels={};
 /* Number of nodes in the graph. Should only be changed by the implementation. */_nodeCount=0;
-/* Number of edges in the graph. Should only be changed by the implementation. */_edgeCount=0;_parent;_children;constructor(opts){if(opts){this._isDirected=opts.hasOwnProperty("directed")?opts.directed:true;this._isMultigraph=opts.hasOwnProperty("multigraph")?opts.multigraph:false;this._isCompound=opts.hasOwnProperty("compound")?opts.compound:false}if(this._isCompound){
+/* Number of edges in the graph. Should only be changed by the implementation. */_edgeCount=0;_parent;_children;constructor(opts){if(opts){this._isDirected=Object.hasOwn(opts,"directed")?opts.directed:true;this._isMultigraph=Object.hasOwn(opts,"multigraph")?opts.multigraph:false;this._isCompound=Object.hasOwn(opts,"compound")?opts.compound:false}if(this._isCompound){
 // v -> parent
 this._parent={};
 // v -> children
@@ -171,20 +171,20 @@ this._children={};this._children[GRAPH_NODE]={}}}
    * it is set as the value for the node. If label is not supplied and the node was
    * created by this call then the default node label will be assigned.
    * Complexity: O(1).
-   */setNode(v,value){if(this._nodes.hasOwnProperty(v)){if(arguments.length>1){this._nodes[v]=value}return this}this._nodes[v]=arguments.length>1?value:this._defaultNodeLabelFn(v);if(this._isCompound){this._parent[v]=GRAPH_NODE;this._children[v]={};this._children[GRAPH_NODE][v]=true}this._in[v]={};this._preds[v]={};this._out[v]={};this._sucs[v]={};++this._nodeCount;return this}
+   */setNode(v,value){if(Object.hasOwn(this._nodes,v)){if(arguments.length>1){this._nodes[v]=value}return this}this._nodes[v]=arguments.length>1?value:this._defaultNodeLabelFn(v);if(this._isCompound){this._parent[v]=GRAPH_NODE;this._children[v]={};this._children[GRAPH_NODE][v]=true}this._in[v]={};this._preds[v]={};this._out[v]={};this._sucs[v]={};++this._nodeCount;return this}
 /**
    * Gets the label of node with specified name.
    * Complexity: O(|V|).
    */node(v){return this._nodes[v]}
 /**
    * Detects whether graph has a node with specified name or not.
-   */hasNode(v){return this._nodes.hasOwnProperty(v)}
+   */hasNode(v){return Object.hasOwn(this._nodes,v)}
 /**
    * Remove the node with the name from the graph or do nothing if the node is not in
    * the graph. If the node was removed this function also removes any incident
    * edges.
    * Complexity: O(1).
-   */removeNode(v){var self=this;if(this._nodes.hasOwnProperty(v)){var removeEdge=e=>self.removeEdge(self._edgeObjs[e]);delete this._nodes[v];if(this._isCompound){this._removeFromParentsChildList(v);delete this._parent[v];this.children(v).forEach(function(child){self.setParent(child)});delete this._children[v]}Object.keys(this._in[v]).forEach(removeEdge);delete this._in[v];delete this._preds[v];Object.keys(this._out[v]).forEach(removeEdge);delete this._out[v];delete this._sucs[v];--this._nodeCount}return this}
+   */removeNode(v){var self=this;if(Object.hasOwn(this._nodes,v)){var removeEdge=e=>self.removeEdge(self._edgeObjs[e]);delete this._nodes[v];if(this._isCompound){this._removeFromParentsChildList(v);delete this._parent[v];this.children(v).forEach(function(child){self.setParent(child)});delete this._children[v]}Object.keys(this._in[v]).forEach(removeEdge);delete this._in[v];delete this._preds[v];Object.keys(this._out[v]).forEach(removeEdge);delete this._out[v];delete this._sucs[v];--this._nodeCount}return this}
 /**
    * Sets node p as a parent for node v if it is defined, or removes the
    * parent for v if p is undefined. Method throws an exception in case of
@@ -249,7 +249,7 @@ parent+="";for(var ancestor=parent;ancestor!==undefined;ancestor=this.parent(anc
    * name. If label is supplied it is set as the value for the edge. If label is not
    * supplied and the edge was created by this call then the default edge label will
    * be assigned. The name parameter is only useful with multigraphs.
-   */setEdge(){var v,w,name,value;var valueSpecified=false;var arg0=arguments[0];if(typeof arg0==="object"&&arg0!==null&&"v"in arg0){v=arg0.v;w=arg0.w;name=arg0.name;if(arguments.length===2){value=arguments[1];valueSpecified=true}}else{v=arg0;w=arguments[1];name=arguments[3];if(arguments.length>2){value=arguments[2];valueSpecified=true}}v=""+v;w=""+w;if(name!==undefined){name=""+name}var e=edgeArgsToId(this._isDirected,v,w,name);if(this._edgeLabels.hasOwnProperty(e)){if(valueSpecified){this._edgeLabels[e]=value}return this}if(name!==undefined&&!this._isMultigraph){throw new Error("Cannot set a named edge when isMultigraph = false")}
+   */setEdge(){var v,w,name,value;var valueSpecified=false;var arg0=arguments[0];if(typeof arg0==="object"&&arg0!==null&&"v"in arg0){v=arg0.v;w=arg0.w;name=arg0.name;if(arguments.length===2){value=arguments[1];valueSpecified=true}}else{v=arg0;w=arguments[1];name=arguments[3];if(arguments.length>2){value=arguments[2];valueSpecified=true}}v=""+v;w=""+w;if(name!==undefined){name=""+name}var e=edgeArgsToId(this._isDirected,v,w,name);if(Object.hasOwn(this._edgeLabels,e)){if(valueSpecified){this._edgeLabels[e]=value}return this}if(name!==undefined&&!this._isMultigraph){throw new Error("Cannot set a named edge when isMultigraph = false")}
 // It didn't exist, so we need to create it.
 // First ensure the nodes exist.
 this.setNode(v);this.setNode(w);this._edgeLabels[e]=valueSpecified?value:this._defaultEdgeLabelFn(v,w,name);var edgeObj=edgeArgsToObj(this._isDirected,v,w,name);
@@ -266,7 +266,7 @@ v=edgeObj.v;w=edgeObj.w;Object.freeze(edgeObj);this._edgeObjs[e]=edgeObj;increme
 /**
    * Detects whether the graph contains specified edge or not. No subgraphs are considered.
    * Complexity: O(1).
-   */hasEdge(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return this._edgeLabels.hasOwnProperty(e)}
+   */hasEdge(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return Object.hasOwn(this._edgeLabels,e)}
 /**
    * Removes the specified edge from the graph. No subgraphs are considered.
    * Complexity: O(1).
@@ -301,4 +301,4 @@ module.exports={Graph:require("./graph"),version:require("./version")}},{"./grap
  * // ['a', 'b']
  * g2.edges()
  * // [ { v: 'a', w: 'b' } ]
- */function read(json){var g=new Graph(json.options).setGraph(json.value);json.nodes.forEach(function(entry){g.setNode(entry.v,entry.value);if(entry.parent){g.setParent(entry.v,entry.parent)}});json.edges.forEach(function(entry){g.setEdge({v:entry.v,w:entry.w,name:entry.name},entry.value)});return g}},{"./graph":16}],19:[function(require,module,exports){module.exports="2.2.3"},{}]},{},[1])(1)});
+ */function read(json){var g=new Graph(json.options).setGraph(json.value);json.nodes.forEach(function(entry){g.setNode(entry.v,entry.value);if(entry.parent){g.setParent(entry.v,entry.parent)}});json.edges.forEach(function(entry){g.setEdge({v:entry.v,w:entry.w,name:entry.name},entry.value)});return g}},{"./graph":16}],19:[function(require,module,exports){module.exports="2.2.4"},{}]},{},[1])(1)});
diff --git a/dist/graphlib.js b/dist/graphlib.js
index 3e60a926..2e297c95 100644
--- a/dist/graphlib.js
+++ b/dist/graphlib.js
@@ -47,7 +47,7 @@ function components(g) {
   var cmpt;
 
   function dfs(v) {
-    if (visited.hasOwnProperty(v)) return;
+    if (Object.hasOwn(visited, v)) return;
     visited[v] = true;
     cmpt.push(v);
     g.successors(v).forEach(dfs);
@@ -104,7 +104,7 @@ function postOrderDfs(v, navigation, visited, acc) {
     if (curr[1]) {
       acc.push(curr[0]);
     } else {
-      if (!visited.hasOwnProperty(curr[0])) {
+      if (!Object.hasOwn(visited, curr[0])) {
         visited[curr[0]] = true;
         stack.push([curr[0], true]);
         forEachRight(navigation(curr[0]), w => stack.push([w, false]));
@@ -117,7 +117,7 @@ function preOrderDfs(v, navigation, visited, acc) {
   var stack = [v];
   while (stack.length > 0) {
     var curr = stack.pop();
-    if (!visited.hasOwnProperty(curr)) {
+    if (!Object.hasOwn(visited, curr)) {
       visited[curr] = true;
       acc.push(curr);
       forEachRight(navigation(curr), w => stack.push(w));
@@ -351,7 +351,7 @@ function prim(g, weightFunc) {
   var init = false;
   while (pq.size() > 0) {
     v = pq.removeMin();
-    if (parents.hasOwnProperty(v)) {
+    if (Object.hasOwn(parents, v)) {
       result.setEdge(v, parents[v]);
     } else if (init) {
       throw new Error("Input graph is not connected: " + g);
@@ -383,7 +383,7 @@ function tarjan(g) {
     stack.push(v);
 
     g.successors(v).forEach(function(w) {
-      if (!visited.hasOwnProperty(w)) {
+      if (!Object.hasOwn(visited, w)) {
         dfs(w);
         entry.lowlink = Math.min(entry.lowlink, visited[w].lowlink);
       } else if (visited[w].onStack) {
@@ -404,7 +404,7 @@ function tarjan(g) {
   }
 
   g.nodes().forEach(function(v) {
-    if (!visited.hasOwnProperty(v)) {
+    if (!Object.hasOwn(visited, v)) {
       dfs(v);
     }
   });
@@ -419,11 +419,11 @@ function topsort(g) {
   var results = [];
 
   function visit(node) {
-    if (stack.hasOwnProperty(node)) {
+    if (Object.hasOwn(stack, node)) {
       throw new CycleException();
     }
 
-    if (!visited.hasOwnProperty(node)) {
+    if (!Object.hasOwn(visited, node)) {
       stack[node] = true;
       visited[node] = true;
       g.predecessors(node).forEach(visit);
@@ -480,7 +480,7 @@ class PriorityQueue {
    * Returns `true` if **key** is in the queue and `false` if not.
    */
   has(key) {
-    return this._keyIndices.hasOwnProperty(key);
+    return Object.hasOwn(this._keyIndices, key);
   }
 
   /**
@@ -518,7 +518,7 @@ class PriorityQueue {
   add(key, priority) {
     var keyIndices = this._keyIndices;
     key = String(key);
-    if (!keyIndices.hasOwnProperty(key)) {
+    if (!Object.hasOwn(keyIndices, key)) {
       var arr = this._arr;
       var index = arr.length;
       keyIndices[key] = index;
@@ -666,9 +666,9 @@ class Graph {
 
   constructor(opts) {
     if (opts) {
-      this._isDirected = opts.hasOwnProperty("directed") ? opts.directed : true;
-      this._isMultigraph = opts.hasOwnProperty("multigraph") ? opts.multigraph : false;
-      this._isCompound = opts.hasOwnProperty("compound") ? opts.compound : false;
+      this._isDirected = Object.hasOwn(opts, "directed") ? opts.directed : true;
+      this._isMultigraph = Object.hasOwn(opts, "multigraph") ? opts.multigraph : false;
+      this._isCompound = Object.hasOwn(opts, "compound") ? opts.compound : false;
     }
 
     if (this._isCompound) {
@@ -797,7 +797,7 @@ class Graph {
    * Complexity: O(1).
    */
   setNode(v, value) {
-    if (this._nodes.hasOwnProperty(v)) {
+    if (Object.hasOwn(this._nodes, v)) {
       if (arguments.length > 1) {
         this._nodes[v] = value;
       }
@@ -830,7 +830,7 @@ class Graph {
    * Detects whether graph has a node with specified name or not.
    */
   hasNode(v) {
-    return this._nodes.hasOwnProperty(v);
+    return Object.hasOwn(this._nodes, v);
   }
 
   /**
@@ -841,7 +841,7 @@ class Graph {
    */
   removeNode(v) {
     var self = this;
-    if (this._nodes.hasOwnProperty(v)) {
+    if (Object.hasOwn(this._nodes, v)) {
       var removeEdge = e => self.removeEdge(self._edgeObjs[e]);
       delete this._nodes[v];
       if (this._isCompound) {
@@ -1119,7 +1119,7 @@ class Graph {
     }
 
     var e = edgeArgsToId(this._isDirected, v, w, name);
-    if (this._edgeLabels.hasOwnProperty(e)) {
+    if (Object.hasOwn(this._edgeLabels, e)) {
       if (valueSpecified) {
         this._edgeLabels[e] = value;
       }
@@ -1184,7 +1184,7 @@ class Graph {
     var e = (arguments.length === 1
       ? edgeObjToId(this._isDirected, arguments[0])
       : edgeArgsToId(this._isDirected, v, w, name));
-    return this._edgeLabels.hasOwnProperty(e);
+    return Object.hasOwn(this._edgeLabels, e);
   }
 
   /**
@@ -1390,7 +1390,7 @@ function read(json) {
 }
 
 },{"./graph":16}],19:[function(require,module,exports){
-module.exports = '2.2.3';
+module.exports = '2.2.4';
 
 },{}]},{},[1])(1)
 });
diff --git a/dist/graphlib.min.js b/dist/graphlib.min.js
index c638472c..c925c2b6 100644
--- a/dist/graphlib.min.js
+++ b/dist/graphlib.min.js
@@ -28,7 +28,7 @@
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/json"),alg:require("./lib/alg"),version:lib.version}},{"./lib":17,"./lib/alg":8,"./lib/json":18}],2:[function(require,module,exports){module.exports=components;function components(g){var visited={};var cmpts=[];var cmpt;function dfs(v){if(visited.hasOwnProperty(v))return;visited[v]=true;cmpt.push(v);g.successors(v).forEach(dfs);g.predecessors(v).forEach(dfs)}g.nodes().forEach(function(v){cmpt=[];dfs(v);if(cmpt.length){cmpts.push(cmpt)}});return cmpts}},{}],3:[function(require,module,exports){module.exports=dfs;
+var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/json"),alg:require("./lib/alg"),version:lib.version}},{"./lib":17,"./lib/alg":8,"./lib/json":18}],2:[function(require,module,exports){module.exports=components;function components(g){var visited={};var cmpts=[];var cmpt;function dfs(v){if(Object.hasOwn(visited,v))return;visited[v]=true;cmpt.push(v);g.successors(v).forEach(dfs);g.predecessors(v).forEach(dfs)}g.nodes().forEach(function(v){cmpt=[];dfs(v);if(cmpt.length){cmpts.push(cmpt)}});return cmpts}},{}],3:[function(require,module,exports){module.exports=dfs;
 /*
  * A helper that preforms a pre- or post-order traversal on the input graph
  * and returns the nodes in the order they were visited. If the graph is
@@ -36,10 +36,10 @@ var lib=require("./lib");module.exports={Graph:lib.Graph,json:require("./lib/jso
  * is directed then this algorithm will navigate using successors.
  *
  * If the order is not "post", it will be treated as "pre".
- */function dfs(g,vs,order){if(!Array.isArray(vs)){vs=[vs]}var navigation=g.isDirected()?v=>g.successors(v):v=>g.neighbors(v);var orderFunc=order==="post"?postOrderDfs:preOrderDfs;var acc=[];var visited={};vs.forEach(v=>{if(!g.hasNode(v)){throw new Error("Graph does not have node: "+v)}orderFunc(v,navigation,visited,acc)});return acc}function postOrderDfs(v,navigation,visited,acc){var stack=[[v,false]];while(stack.length>0){var curr=stack.pop();if(curr[1]){acc.push(curr[0])}else{if(!visited.hasOwnProperty(curr[0])){visited[curr[0]]=true;stack.push([curr[0],true]);forEachRight(navigation(curr[0]),w=>stack.push([w,false]))}}}}function preOrderDfs(v,navigation,visited,acc){var stack=[v];while(stack.length>0){var curr=stack.pop();if(!visited.hasOwnProperty(curr)){visited[curr]=true;acc.push(curr);forEachRight(navigation(curr),w=>stack.push(w))}}}function forEachRight(array,iteratee){var length=array.length;while(length--){iteratee(array[length],length,array)}return array}},{}],4:[function(require,module,exports){var dijkstra=require("./dijkstra");module.exports=dijkstraAll;function dijkstraAll(g,weightFunc,edgeFunc){return g.nodes().reduce(function(acc,v){acc[v]=dijkstra(g,v,weightFunc,edgeFunc);return acc},{})}},{"./dijkstra":5}],5:[function(require,module,exports){var PriorityQueue=require("../data/priority-queue");module.exports=dijkstra;var DEFAULT_WEIGHT_FUNC=()=>1;function dijkstra(g,source,weightFn,edgeFn){return runDijkstra(g,String(source),weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runDijkstra(g,source,weightFn,edgeFn){var results={};var pq=new PriorityQueue;var v,vEntry;var updateNeighbors=function(edge){var w=edge.v!==v?edge.v:edge.w;var wEntry=results[w];var weight=weightFn(edge);var distance=vEntry.distance+weight;if(weight<0){throw new Error("dijkstra does not allow negative edge weights. "+"Bad edge: "+edge+" Weight: "+weight)}if(distance<wEntry.distance){wEntry.distance=distance;wEntry.predecessor=v;pq.decrease(w,distance)}};g.nodes().forEach(function(v){var distance=v===source?0:Number.POSITIVE_INFINITY;results[v]={distance:distance};pq.add(v,distance)});while(pq.size()>0){v=pq.removeMin();vEntry=results[v];if(vEntry.distance===Number.POSITIVE_INFINITY){break}edgeFn(v).forEach(updateNeighbors)}return results}},{"../data/priority-queue":15}],6:[function(require,module,exports){var tarjan=require("./tarjan");module.exports=findCycles;function findCycles(g){return tarjan(g).filter(function(cmpt){return cmpt.length>1||cmpt.length===1&&g.hasEdge(cmpt[0],cmpt[0])})}},{"./tarjan":13}],7:[function(require,module,exports){module.exports=floydWarshall;var DEFAULT_WEIGHT_FUNC=()=>1;function floydWarshall(g,weightFn,edgeFn){return runFloydWarshall(g,weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runFloydWarshall(g,weightFn,edgeFn){var results={};var nodes=g.nodes();nodes.forEach(function(v){results[v]={};results[v][v]={distance:0};nodes.forEach(function(w){if(v!==w){results[v][w]={distance:Number.POSITIVE_INFINITY}}});edgeFn(v).forEach(function(edge){var w=edge.v===v?edge.w:edge.v;var d=weightFn(edge);results[v][w]={distance:d,predecessor:v}})});nodes.forEach(function(k){var rowK=results[k];nodes.forEach(function(i){var rowI=results[i];nodes.forEach(function(j){var ik=rowI[k];var kj=rowK[j];var ij=rowI[j];var altDistance=ik.distance+kj.distance;if(altDistance<ij.distance){ij.distance=altDistance;ij.predecessor=kj.predecessor}})})});return results}},{}],8:[function(require,module,exports){module.exports={components:require("./components"),dijkstra:require("./dijkstra"),dijkstraAll:require("./dijkstra-all"),findCycles:require("./find-cycles"),floydWarshall:require("./floyd-warshall"),isAcyclic:require("./is-acyclic"),postorder:require("./postorder"),preorder:require("./preorder"),prim:require("./prim"),tarjan:require("./tarjan"),topsort:require("./topsort")}},{"./components":2,"./dijkstra":5,"./dijkstra-all":4,"./find-cycles":6,"./floyd-warshall":7,"./is-acyclic":9,"./postorder":10,"./preorder":11,"./prim":12,"./tarjan":13,"./topsort":14}],9:[function(require,module,exports){var topsort=require("./topsort");module.exports=isAcyclic;function isAcyclic(g){try{topsort(g)}catch(e){if(e instanceof topsort.CycleException){return false}throw e}return true}},{"./topsort":14}],10:[function(require,module,exports){var dfs=require("./dfs");module.exports=postorder;function postorder(g,vs){return dfs(g,vs,"post")}},{"./dfs":3}],11:[function(require,module,exports){var dfs=require("./dfs");module.exports=preorder;function preorder(g,vs){return dfs(g,vs,"pre")}},{"./dfs":3}],12:[function(require,module,exports){var Graph=require("../graph");var PriorityQueue=require("../data/priority-queue");module.exports=prim;function prim(g,weightFunc){var result=new Graph;var parents={};var pq=new PriorityQueue;var v;function updateNeighbors(edge){var w=edge.v===v?edge.w:edge.v;var pri=pq.priority(w);if(pri!==undefined){var edgeWeight=weightFunc(edge);if(edgeWeight<pri){parents[w]=v;pq.decrease(w,edgeWeight)}}}if(g.nodeCount()===0){return result}g.nodes().forEach(function(v){pq.add(v,Number.POSITIVE_INFINITY);result.setNode(v)});
+ */function dfs(g,vs,order){if(!Array.isArray(vs)){vs=[vs]}var navigation=g.isDirected()?v=>g.successors(v):v=>g.neighbors(v);var orderFunc=order==="post"?postOrderDfs:preOrderDfs;var acc=[];var visited={};vs.forEach(v=>{if(!g.hasNode(v)){throw new Error("Graph does not have node: "+v)}orderFunc(v,navigation,visited,acc)});return acc}function postOrderDfs(v,navigation,visited,acc){var stack=[[v,false]];while(stack.length>0){var curr=stack.pop();if(curr[1]){acc.push(curr[0])}else{if(!Object.hasOwn(visited,curr[0])){visited[curr[0]]=true;stack.push([curr[0],true]);forEachRight(navigation(curr[0]),w=>stack.push([w,false]))}}}}function preOrderDfs(v,navigation,visited,acc){var stack=[v];while(stack.length>0){var curr=stack.pop();if(!Object.hasOwn(visited,curr)){visited[curr]=true;acc.push(curr);forEachRight(navigation(curr),w=>stack.push(w))}}}function forEachRight(array,iteratee){var length=array.length;while(length--){iteratee(array[length],length,array)}return array}},{}],4:[function(require,module,exports){var dijkstra=require("./dijkstra");module.exports=dijkstraAll;function dijkstraAll(g,weightFunc,edgeFunc){return g.nodes().reduce(function(acc,v){acc[v]=dijkstra(g,v,weightFunc,edgeFunc);return acc},{})}},{"./dijkstra":5}],5:[function(require,module,exports){var PriorityQueue=require("../data/priority-queue");module.exports=dijkstra;var DEFAULT_WEIGHT_FUNC=()=>1;function dijkstra(g,source,weightFn,edgeFn){return runDijkstra(g,String(source),weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runDijkstra(g,source,weightFn,edgeFn){var results={};var pq=new PriorityQueue;var v,vEntry;var updateNeighbors=function(edge){var w=edge.v!==v?edge.v:edge.w;var wEntry=results[w];var weight=weightFn(edge);var distance=vEntry.distance+weight;if(weight<0){throw new Error("dijkstra does not allow negative edge weights. "+"Bad edge: "+edge+" Weight: "+weight)}if(distance<wEntry.distance){wEntry.distance=distance;wEntry.predecessor=v;pq.decrease(w,distance)}};g.nodes().forEach(function(v){var distance=v===source?0:Number.POSITIVE_INFINITY;results[v]={distance:distance};pq.add(v,distance)});while(pq.size()>0){v=pq.removeMin();vEntry=results[v];if(vEntry.distance===Number.POSITIVE_INFINITY){break}edgeFn(v).forEach(updateNeighbors)}return results}},{"../data/priority-queue":15}],6:[function(require,module,exports){var tarjan=require("./tarjan");module.exports=findCycles;function findCycles(g){return tarjan(g).filter(function(cmpt){return cmpt.length>1||cmpt.length===1&&g.hasEdge(cmpt[0],cmpt[0])})}},{"./tarjan":13}],7:[function(require,module,exports){module.exports=floydWarshall;var DEFAULT_WEIGHT_FUNC=()=>1;function floydWarshall(g,weightFn,edgeFn){return runFloydWarshall(g,weightFn||DEFAULT_WEIGHT_FUNC,edgeFn||function(v){return g.outEdges(v)})}function runFloydWarshall(g,weightFn,edgeFn){var results={};var nodes=g.nodes();nodes.forEach(function(v){results[v]={};results[v][v]={distance:0};nodes.forEach(function(w){if(v!==w){results[v][w]={distance:Number.POSITIVE_INFINITY}}});edgeFn(v).forEach(function(edge){var w=edge.v===v?edge.w:edge.v;var d=weightFn(edge);results[v][w]={distance:d,predecessor:v}})});nodes.forEach(function(k){var rowK=results[k];nodes.forEach(function(i){var rowI=results[i];nodes.forEach(function(j){var ik=rowI[k];var kj=rowK[j];var ij=rowI[j];var altDistance=ik.distance+kj.distance;if(altDistance<ij.distance){ij.distance=altDistance;ij.predecessor=kj.predecessor}})})});return results}},{}],8:[function(require,module,exports){module.exports={components:require("./components"),dijkstra:require("./dijkstra"),dijkstraAll:require("./dijkstra-all"),findCycles:require("./find-cycles"),floydWarshall:require("./floyd-warshall"),isAcyclic:require("./is-acyclic"),postorder:require("./postorder"),preorder:require("./preorder"),prim:require("./prim"),tarjan:require("./tarjan"),topsort:require("./topsort")}},{"./components":2,"./dijkstra":5,"./dijkstra-all":4,"./find-cycles":6,"./floyd-warshall":7,"./is-acyclic":9,"./postorder":10,"./preorder":11,"./prim":12,"./tarjan":13,"./topsort":14}],9:[function(require,module,exports){var topsort=require("./topsort");module.exports=isAcyclic;function isAcyclic(g){try{topsort(g)}catch(e){if(e instanceof topsort.CycleException){return false}throw e}return true}},{"./topsort":14}],10:[function(require,module,exports){var dfs=require("./dfs");module.exports=postorder;function postorder(g,vs){return dfs(g,vs,"post")}},{"./dfs":3}],11:[function(require,module,exports){var dfs=require("./dfs");module.exports=preorder;function preorder(g,vs){return dfs(g,vs,"pre")}},{"./dfs":3}],12:[function(require,module,exports){var Graph=require("../graph");var PriorityQueue=require("../data/priority-queue");module.exports=prim;function prim(g,weightFunc){var result=new Graph;var parents={};var pq=new PriorityQueue;var v;function updateNeighbors(edge){var w=edge.v===v?edge.w:edge.v;var pri=pq.priority(w);if(pri!==undefined){var edgeWeight=weightFunc(edge);if(edgeWeight<pri){parents[w]=v;pq.decrease(w,edgeWeight)}}}if(g.nodeCount()===0){return result}g.nodes().forEach(function(v){pq.add(v,Number.POSITIVE_INFINITY);result.setNode(v)});
 // Start from an arbitrary node
-pq.decrease(g.nodes()[0],0);var init=false;while(pq.size()>0){v=pq.removeMin();if(parents.hasOwnProperty(v)){result.setEdge(v,parents[v])}else if(init){throw new Error("Input graph is not connected: "+g)}else{init=true}g.nodeEdges(v).forEach(updateNeighbors)}return result}},{"../data/priority-queue":15,"../graph":16}],13:[function(require,module,exports){module.exports=tarjan;function tarjan(g){var index=0;var stack=[];var visited={};// node id -> { onStack, lowlink, index }
-var results=[];function dfs(v){var entry=visited[v]={onStack:true,lowlink:index,index:index++};stack.push(v);g.successors(v).forEach(function(w){if(!visited.hasOwnProperty(w)){dfs(w);entry.lowlink=Math.min(entry.lowlink,visited[w].lowlink)}else if(visited[w].onStack){entry.lowlink=Math.min(entry.lowlink,visited[w].index)}});if(entry.lowlink===entry.index){var cmpt=[];var w;do{w=stack.pop();visited[w].onStack=false;cmpt.push(w)}while(v!==w);results.push(cmpt)}}g.nodes().forEach(function(v){if(!visited.hasOwnProperty(v)){dfs(v)}});return results}},{}],14:[function(require,module,exports){function topsort(g){var visited={};var stack={};var results=[];function visit(node){if(stack.hasOwnProperty(node)){throw new CycleException}if(!visited.hasOwnProperty(node)){stack[node]=true;visited[node]=true;g.predecessors(node).forEach(visit);delete stack[node];results.push(node)}}g.sinks().forEach(visit);if(Object.keys(visited).length!==g.nodeCount()){throw new CycleException}return results}class CycleException extends Error{constructor(){super(...arguments)}}module.exports=topsort;topsort.CycleException=CycleException},{}],15:[function(require,module,exports){
+pq.decrease(g.nodes()[0],0);var init=false;while(pq.size()>0){v=pq.removeMin();if(Object.hasOwn(parents,v)){result.setEdge(v,parents[v])}else if(init){throw new Error("Input graph is not connected: "+g)}else{init=true}g.nodeEdges(v).forEach(updateNeighbors)}return result}},{"../data/priority-queue":15,"../graph":16}],13:[function(require,module,exports){module.exports=tarjan;function tarjan(g){var index=0;var stack=[];var visited={};// node id -> { onStack, lowlink, index }
+var results=[];function dfs(v){var entry=visited[v]={onStack:true,lowlink:index,index:index++};stack.push(v);g.successors(v).forEach(function(w){if(!Object.hasOwn(visited,w)){dfs(w);entry.lowlink=Math.min(entry.lowlink,visited[w].lowlink)}else if(visited[w].onStack){entry.lowlink=Math.min(entry.lowlink,visited[w].index)}});if(entry.lowlink===entry.index){var cmpt=[];var w;do{w=stack.pop();visited[w].onStack=false;cmpt.push(w)}while(v!==w);results.push(cmpt)}}g.nodes().forEach(function(v){if(!Object.hasOwn(visited,v)){dfs(v)}});return results}},{}],14:[function(require,module,exports){function topsort(g){var visited={};var stack={};var results=[];function visit(node){if(Object.hasOwn(stack,node)){throw new CycleException}if(!Object.hasOwn(visited,node)){stack[node]=true;visited[node]=true;g.predecessors(node).forEach(visit);delete stack[node];results.push(node)}}g.sinks().forEach(visit);if(Object.keys(visited).length!==g.nodeCount()){throw new CycleException}return results}class CycleException extends Error{constructor(){super(...arguments)}}module.exports=topsort;topsort.CycleException=CycleException},{}],15:[function(require,module,exports){
 /**
  * A min-priority queue data structure. This algorithm is derived from Cormen,
  * et al., "Introduction to Algorithms". The basic idea of a min-priority
@@ -56,7 +56,7 @@ class PriorityQueue{_arr=[];_keyIndices={};
    */keys(){return this._arr.map(function(x){return x.key})}
 /**
    * Returns `true` if **key** is in the queue and `false` if not.
-   */has(key){return this._keyIndices.hasOwnProperty(key)}
+   */has(key){return Object.hasOwn(this._keyIndices,key)}
 /**
    * Returns the priority for **key**. If **key** is not present in the queue
    * then this function returns `undefined`. Takes `O(1)` time.
@@ -74,7 +74,7 @@ class PriorityQueue{_arr=[];_keyIndices={};
    *
    * @param {Object} key the key to add
    * @param {Number} priority the initial priority for the key
-   */add(key,priority){var keyIndices=this._keyIndices;key=String(key);if(!keyIndices.hasOwnProperty(key)){var arr=this._arr;var index=arr.length;keyIndices[key]=index;arr.push({key:key,priority:priority});this._decrease(index);return true}return false}
+   */add(key,priority){var keyIndices=this._keyIndices;key=String(key);if(!Object.hasOwn(keyIndices,key)){var arr=this._arr;var index=arr.length;keyIndices[key]=index;arr.push({key:key,priority:priority});this._decrease(index);return true}return false}
 /**
    * Removes and returns the smallest key in the queue. Takes `O(log n)` time.
    */removeMin(){this._swap(0,this._arr.length-1);var min=this._arr.pop();delete this._keyIndices[min.key];this._heapify(0);return min.key}
@@ -116,7 +116,7 @@ _edgeObjs={};
 // e -> label
 _edgeLabels={};
 /* Number of nodes in the graph. Should only be changed by the implementation. */_nodeCount=0;
-/* Number of edges in the graph. Should only be changed by the implementation. */_edgeCount=0;_parent;_children;constructor(opts){if(opts){this._isDirected=opts.hasOwnProperty("directed")?opts.directed:true;this._isMultigraph=opts.hasOwnProperty("multigraph")?opts.multigraph:false;this._isCompound=opts.hasOwnProperty("compound")?opts.compound:false}if(this._isCompound){
+/* Number of edges in the graph. Should only be changed by the implementation. */_edgeCount=0;_parent;_children;constructor(opts){if(opts){this._isDirected=Object.hasOwn(opts,"directed")?opts.directed:true;this._isMultigraph=Object.hasOwn(opts,"multigraph")?opts.multigraph:false;this._isCompound=Object.hasOwn(opts,"compound")?opts.compound:false}if(this._isCompound){
 // v -> parent
 this._parent={};
 // v -> children
@@ -171,20 +171,20 @@ this._children={};this._children[GRAPH_NODE]={}}}
    * it is set as the value for the node. If label is not supplied and the node was
    * created by this call then the default node label will be assigned.
    * Complexity: O(1).
-   */setNode(v,value){if(this._nodes.hasOwnProperty(v)){if(arguments.length>1){this._nodes[v]=value}return this}this._nodes[v]=arguments.length>1?value:this._defaultNodeLabelFn(v);if(this._isCompound){this._parent[v]=GRAPH_NODE;this._children[v]={};this._children[GRAPH_NODE][v]=true}this._in[v]={};this._preds[v]={};this._out[v]={};this._sucs[v]={};++this._nodeCount;return this}
+   */setNode(v,value){if(Object.hasOwn(this._nodes,v)){if(arguments.length>1){this._nodes[v]=value}return this}this._nodes[v]=arguments.length>1?value:this._defaultNodeLabelFn(v);if(this._isCompound){this._parent[v]=GRAPH_NODE;this._children[v]={};this._children[GRAPH_NODE][v]=true}this._in[v]={};this._preds[v]={};this._out[v]={};this._sucs[v]={};++this._nodeCount;return this}
 /**
    * Gets the label of node with specified name.
    * Complexity: O(|V|).
    */node(v){return this._nodes[v]}
 /**
    * Detects whether graph has a node with specified name or not.
-   */hasNode(v){return this._nodes.hasOwnProperty(v)}
+   */hasNode(v){return Object.hasOwn(this._nodes,v)}
 /**
    * Remove the node with the name from the graph or do nothing if the node is not in
    * the graph. If the node was removed this function also removes any incident
    * edges.
    * Complexity: O(1).
-   */removeNode(v){var self=this;if(this._nodes.hasOwnProperty(v)){var removeEdge=e=>self.removeEdge(self._edgeObjs[e]);delete this._nodes[v];if(this._isCompound){this._removeFromParentsChildList(v);delete this._parent[v];this.children(v).forEach(function(child){self.setParent(child)});delete this._children[v]}Object.keys(this._in[v]).forEach(removeEdge);delete this._in[v];delete this._preds[v];Object.keys(this._out[v]).forEach(removeEdge);delete this._out[v];delete this._sucs[v];--this._nodeCount}return this}
+   */removeNode(v){var self=this;if(Object.hasOwn(this._nodes,v)){var removeEdge=e=>self.removeEdge(self._edgeObjs[e]);delete this._nodes[v];if(this._isCompound){this._removeFromParentsChildList(v);delete this._parent[v];this.children(v).forEach(function(child){self.setParent(child)});delete this._children[v]}Object.keys(this._in[v]).forEach(removeEdge);delete this._in[v];delete this._preds[v];Object.keys(this._out[v]).forEach(removeEdge);delete this._out[v];delete this._sucs[v];--this._nodeCount}return this}
 /**
    * Sets node p as a parent for node v if it is defined, or removes the
    * parent for v if p is undefined. Method throws an exception in case of
@@ -249,7 +249,7 @@ parent+="";for(var ancestor=parent;ancestor!==undefined;ancestor=this.parent(anc
    * name. If label is supplied it is set as the value for the edge. If label is not
    * supplied and the edge was created by this call then the default edge label will
    * be assigned. The name parameter is only useful with multigraphs.
-   */setEdge(){var v,w,name,value;var valueSpecified=false;var arg0=arguments[0];if(typeof arg0==="object"&&arg0!==null&&"v"in arg0){v=arg0.v;w=arg0.w;name=arg0.name;if(arguments.length===2){value=arguments[1];valueSpecified=true}}else{v=arg0;w=arguments[1];name=arguments[3];if(arguments.length>2){value=arguments[2];valueSpecified=true}}v=""+v;w=""+w;if(name!==undefined){name=""+name}var e=edgeArgsToId(this._isDirected,v,w,name);if(this._edgeLabels.hasOwnProperty(e)){if(valueSpecified){this._edgeLabels[e]=value}return this}if(name!==undefined&&!this._isMultigraph){throw new Error("Cannot set a named edge when isMultigraph = false")}
+   */setEdge(){var v,w,name,value;var valueSpecified=false;var arg0=arguments[0];if(typeof arg0==="object"&&arg0!==null&&"v"in arg0){v=arg0.v;w=arg0.w;name=arg0.name;if(arguments.length===2){value=arguments[1];valueSpecified=true}}else{v=arg0;w=arguments[1];name=arguments[3];if(arguments.length>2){value=arguments[2];valueSpecified=true}}v=""+v;w=""+w;if(name!==undefined){name=""+name}var e=edgeArgsToId(this._isDirected,v,w,name);if(Object.hasOwn(this._edgeLabels,e)){if(valueSpecified){this._edgeLabels[e]=value}return this}if(name!==undefined&&!this._isMultigraph){throw new Error("Cannot set a named edge when isMultigraph = false")}
 // It didn't exist, so we need to create it.
 // First ensure the nodes exist.
 this.setNode(v);this.setNode(w);this._edgeLabels[e]=valueSpecified?value:this._defaultEdgeLabelFn(v,w,name);var edgeObj=edgeArgsToObj(this._isDirected,v,w,name);
@@ -266,7 +266,7 @@ v=edgeObj.v;w=edgeObj.w;Object.freeze(edgeObj);this._edgeObjs[e]=edgeObj;increme
 /**
    * Detects whether the graph contains specified edge or not. No subgraphs are considered.
    * Complexity: O(1).
-   */hasEdge(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return this._edgeLabels.hasOwnProperty(e)}
+   */hasEdge(v,w,name){var e=arguments.length===1?edgeObjToId(this._isDirected,arguments[0]):edgeArgsToId(this._isDirected,v,w,name);return Object.hasOwn(this._edgeLabels,e)}
 /**
    * Removes the specified edge from the graph. No subgraphs are considered.
    * Complexity: O(1).
@@ -301,4 +301,4 @@ module.exports={Graph:require("./graph"),version:require("./version")}},{"./grap
  * // ['a', 'b']
  * g2.edges()
  * // [ { v: 'a', w: 'b' } ]
- */function read(json){var g=new Graph(json.options).setGraph(json.value);json.nodes.forEach(function(entry){g.setNode(entry.v,entry.value);if(entry.parent){g.setParent(entry.v,entry.parent)}});json.edges.forEach(function(entry){g.setEdge({v:entry.v,w:entry.w,name:entry.name},entry.value)});return g}},{"./graph":16}],19:[function(require,module,exports){module.exports="2.2.3"},{}]},{},[1])(1)});
+ */function read(json){var g=new Graph(json.options).setGraph(json.value);json.nodes.forEach(function(entry){g.setNode(entry.v,entry.value);if(entry.parent){g.setParent(entry.v,entry.parent)}});json.edges.forEach(function(entry){g.setEdge({v:entry.v,w:entry.w,name:entry.name},entry.value)});return g}},{"./graph":16}],19:[function(require,module,exports){module.exports="2.2.4"},{}]},{},[1])(1)});