From fc39ddecb9884c063da4074c7fb75250e9eb4ab4 Mon Sep 17 00:00:00 2001
From: Rohit Paul <113459757+RohitPaul0007@users.noreply.github.com>
Date: Thu, 14 Sep 2023 18:56:27 +0530
Subject: [PATCH] Update index.js

---
 demos/other/d3layout/index.js | 42 +++++++++++++++++------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/demos/other/d3layout/index.js b/demos/other/d3layout/index.js
index f37d280..309e105 100644
--- a/demos/other/d3layout/index.js
+++ b/demos/other/d3layout/index.js
@@ -1,16 +1,16 @@
-var graphGenerator = Viva.Graph.generator();
-var graph = graphGenerator.grid(20, 20);
+let graphGenerator = Viva.Graph.generator();
+let graph = graphGenerator.grid(20, 20);
 
-var layout = d3Force(graph, {
+let layout = d3Force(graph, {
   springLength : 20,
   springCoeff : 1,
   gravity: -30,
   springIterations: 10
 });
 
-var graphics = Viva.Graph.View.webglGraphics();
+let graphics = Viva.Graph.View.webglGraphics();
 
-var renderer = Viva.Graph.View.renderer(graph, {
+let renderer = Viva.Graph.View.renderer(graph, {
     layout: layout,
     graphics: graphics,
     renderLinks: true,
@@ -22,30 +22,30 @@ renderer.run();
 // TODO: extract into module
 function d3Force(graph, options) {
   // todo: check input
-  var nodes = [], links = [];
-  var nodeIdToIdx = Object.create(null);
-  var linkIdToD3Link = Object.create(null);
+  let nodes = [], links = [];
+  let nodeIdToIdx = Object.create(null);
+  let linkIdToD3Link = Object.create(null);
 
   graph.forEachNode(function(n) {
-    var index = nodes.length;
+    let index = nodes.length;
     nodeIdToIdx[n.id] = index;
-    var node = {
+    let node = {
       index: index
     }
     nodes.push(node);
   });
 
   graph.forEachLink(function(l) {
-    var source = nodeIdToIdx[l.fromId];
-    var target = nodeIdToIdx[l.toId];
+    let source = nodeIdToIdx[l.fromId];
+    let target = nodeIdToIdx[l.toId];
 
-    var index = links.length;
-    var link = {source: source, target: target, index: index}
+    let index = links.length;
+    let link = {source: source, target: target, index: index}
     links.push(link);
     linkIdToD3Link[l.id] = link;
   });
 
-  var simulation = d3.forceSimulation(nodes)
+  let simulation = d3.forceSimulation(nodes)
       .force("charge", d3.forceManyBody().strength(options.gravity))
       .force("link", d3.forceLink(links)
         .strength(options.springCoeff)
@@ -63,7 +63,7 @@ function d3Force(graph, options) {
     getNodePosition: getNodePosition,
 
     getLinkPosition: function(linkId) {
-      var link = linkIdToD3Link[linkId];
+      let link = linkIdToD3Link[linkId];
       return {
         from: link.source,
         to: link.target
@@ -71,10 +71,10 @@ function d3Force(graph, options) {
     },
 
     getGraphRect: function() {
-      var minX = Number.POSITIVE_INFINITY;
-      var minY = Number.POSITIVE_INFINITY;
-      var maxX = Number.NEGATIVE_INFINITY;
-      var maxY = Number.NEGATIVE_INFINITY;
+      let minX = Number.POSITIVE_INFINITY;
+      let minY = Number.POSITIVE_INFINITY;
+      let maxX = Number.NEGATIVE_INFINITY;
+      let maxY = Number.NEGATIVE_INFINITY;
 
       nodes.forEach(function(node) {
         if (node.x < minX) minX = node.x;
@@ -105,7 +105,7 @@ function d3Force(graph, options) {
     },
 
     setNodePosition: function(nodeId, x, y) {
-      var pos = getNodePosition(nodeId);
+      let pos = getNodePosition(nodeId);
       pos.x = x;
       pos.y = y;
     }