Using Object.hasOwn instead of hasOwnProperty

lib/acyclic.js

@@ -33,13 +33,13 @@ function dfsFAS(g) {
   let visited = {};
 
   function dfs(v) {
-    if (visited.hasOwnProperty(v)) {
+    if (Object.hasOwn(visited, v)) {
       return;
     }
     visited[v] = true;
     stack[v] = true;
     g.outEdges(v).forEach(e => {
-      if (stack.hasOwnProperty(e.w)) {
+      if (Object.hasOwn(stack, e.w)) {
         fas.push(e);
       } else {
         dfs(e.w);

lib/add-border-segments.js

@@ -10,7 +10,7 @@ function addBorderSegments(g) {
       children.forEach(dfs);
     }
 
-    if (node.hasOwnProperty("minRank")) {
+    if (Object.hasOwn(node, "minRank")) {
       node.borderLeft = [];
       node.borderRight = [];
       for (let rank = node.minRank, maxRank = node.maxRank + 1;

lib/coordinate-system.js

@@ -41,7 +41,7 @@ function reverseY(g) {
   g.edges().forEach(e => {
     let edge = g.edge(e);
     edge.points.forEach(reverseYOne);
-    if (edge.hasOwnProperty("y")) {
+    if (Object.hasOwn(edge, "y")) {
       reverseYOne(edge);
     }
   });
@@ -57,7 +57,7 @@ function swapXY(g) {
   g.edges().forEach(e => {
     let edge = g.edge(e);
     edge.points.forEach(swapXYOne);
-    if (edge.hasOwnProperty("x")) {
+    if (Object.hasOwn(edge, "x")) {
       swapXYOne(edge);
     }
   });

lib/layout.js

@@ -84,7 +84,7 @@ function updateInputGraph(inputGraph, layoutGraph) {
     let layoutLabel = layoutGraph.edge(e);
 
     inputLabel.points = layoutLabel.points;
-    if (layoutLabel.hasOwnProperty("x")) {
+    if (Object.hasOwn(layoutLabel, "x")) {
       inputLabel.x = layoutLabel.x;
       inputLabel.y = layoutLabel.y;
     }
@@ -233,7 +233,7 @@ function translateGraph(g) {
   g.nodes().forEach(v => getExtremes(g.node(v)));
   g.edges().forEach(e => {
     let edge = g.edge(e);
-    if (edge.hasOwnProperty("x")) {
+    if (Object.hasOwn(edge, "x")) {
       getExtremes(edge);
     }
   });
@@ -253,8 +253,8 @@ function translateGraph(g) {
       p.x -= minX;
       p.y -= minY;
     });
-    if (edge.hasOwnProperty("x")) { edge.x -= minX; }
-    if (edge.hasOwnProperty("y")) { edge.y -= minY; }
+    if (Object.hasOwn(edge, "x")) { edge.x -= minX; }
+    if (Object.hasOwn(edge, "y")) { edge.y -= minY; }
   });
 
   graphLabel.width = maxX - minX + marginX;
@@ -283,7 +283,7 @@ function assignNodeIntersects(g) {
 function fixupEdgeLabelCoords(g) {
   g.edges().forEach(e => {
     let edge = g.edge(e);
-    if (edge.hasOwnProperty("x")) {
+    if (Object.hasOwn(edge, "x")) {
       if (edge.labelpos === "l" || edge.labelpos === "r") {
         edge.width -= edge.labeloffset;
       }

lib/order/build-layer-graph.js

@@ -54,7 +54,7 @@ function buildLayerGraph(g, rank, relationship) {
         result.setEdge(u, v, { weight: g.edge(e).weight + weight });
       });
 
-      if (node.hasOwnProperty("minRank")) {
+      if (Object.hasOwn(node, "minRank")) {
         result.setNode(v, {
           borderLeft: node.borderLeft[rank],
           borderRight: node.borderRight[rank]

lib/order/sort-subgraph.js

@@ -20,7 +20,7 @@ function sortSubgraph(g, v, cg, biasRight) {
     if (g.children(entry.v).length) {
       let subgraphResult = sortSubgraph(g, entry.v, cg, biasRight);
       subgraphs[entry.v] = subgraphResult;
-      if (subgraphResult.hasOwnProperty("barycenter")) {
+      if (Object.hasOwn(subgraphResult, "barycenter")) {
         mergeBarycenters(entry, subgraphResult);
       }
     }
@@ -36,7 +36,7 @@ function sortSubgraph(g, v, cg, biasRight) {
     if (g.predecessors(bl).length) {
       let blPred = g.node(g.predecessors(bl)[0]),
         brPred = g.node(g.predecessors(br)[0]);
-      if (!result.hasOwnProperty("barycenter")) {
+      if (!Object.hasOwn(result, "barycenter")) {
         result.barycenter = 0;
         result.weight = 0;
       }

lib/order/sort.js

@@ -4,7 +4,7 @@ module.exports = sort;
 
 function sort(entries, biasRight) {
   let parts = util.partition(entries, entry => {
-    return entry.hasOwnProperty("barycenter");
+    return Object.hasOwn(entry, "barycenter");
   });
   let sortable = parts.lhs,
     unsortable = parts.rhs.sort((a, b) => b.i - a.i),

lib/position/bk.js

@@ -152,7 +152,7 @@ function hasConflict(conflicts, v, w) {
     v = w;
     w = tmp;
   }
-  return !!conflicts[v] && conflicts[v].hasOwnProperty(w);
+  return !!conflicts[v] && Object.hasOwn(conflicts[v], w);
 }
 
 /*
@@ -389,7 +389,7 @@ function sep(nodeSep, edgeSep, reverseSep) {
     let delta;
 
     sum += vLabel.width / 2;
-    if (vLabel.hasOwnProperty("labelpos")) {
+    if (Object.hasOwn(vLabel, "labelpos")) {
       switch (vLabel.labelpos.toLowerCase()) {
       case "l": delta = -vLabel.width / 2; break;
       case "r": delta = vLabel.width / 2; break;
@@ -404,7 +404,7 @@ function sep(nodeSep, edgeSep, reverseSep) {
     sum += (wLabel.dummy ? edgeSep : nodeSep) / 2;
 
     sum += wLabel.width / 2;
-    if (wLabel.hasOwnProperty("labelpos")) {
+    if (Object.hasOwn(wLabel, "labelpos")) {
       switch (wLabel.labelpos.toLowerCase()) {
       case "l": delta = wLabel.width / 2; break;
       case "r": delta = -wLabel.width / 2; break;

lib/rank/network-simplex.js

@@ -132,7 +132,7 @@ function dfsAssignLowLim(tree, visited, nextLim, v, parent) {
 
   visited[v] = true;
   tree.neighbors(v).forEach(w => {
-    if (!visited.hasOwnProperty(w)) {
+    if (!Object.hasOwn(visited, w)) {
       nextLim = dfsAssignLowLim(tree, visited, nextLim, w, v);
     }
   });

lib/rank/util.js

@@ -33,7 +33,7 @@ function longestPath(g) {
 
   function dfs(v) {
     var label = g.node(v);
-    if (visited.hasOwnProperty(v)) {
+    if (Object.hasOwn(visited, v)) {
       return label.rank;
     }
     visited[v] = true;

lib/util.js

@@ -165,7 +165,7 @@ function normalizeRanks(g) {
   let min = applyWithChunking(Math.min, nodeRanks);
   g.nodes().forEach(v => {
     let node = g.node(v);
-    if (node.hasOwnProperty("rank")) {
+    if (Object.hasOwn(node, "rank")) {
       node.rank -= min;
     }
   });