make eslint happy

lib/forcegraph.js

@@ -5,6 +5,7 @@ define(["d3"], function (d3) {
     var nodesDict, linksDict
     var zoomBehavior
     var force
+    var el
 
     function nodeName(d) {
       if (d.node && d.node.nodeinfo)
@@ -29,6 +30,15 @@ define(["d3"], function (d3) {
       d.fixed &= 1
     }
 
+    function animatePanzoom(translate, scale) {
+      zoomBehavior.scale(scale)
+      zoomBehavior.translate(translate)
+
+      vis.transition().duration(500)
+         .attr("transform", "translate(" + translate + ") " +
+                            "scale(" + scale + ")")
+    }
+
     function panzoom() {
       var translate = zoomBehavior.translate()
       var scale = zoomBehavior.scale()
@@ -56,15 +66,6 @@ define(["d3"], function (d3) {
       animatePanzoom(translate, scale)
     }
 
-    function animatePanzoom(translate, scale) {
-      zoomBehavior.scale(scale)
-      zoomBehavior.translate(translate)
-
-      vis.transition().duration(500)
-         .attr("transform", "translate(" + translate + ") " +
-                            "scale(" + scale + ")")
-    }
-
     function resize() {
       var sidebarWidth = sidebar.getWidth()
       var width = el.offsetWidth - sidebarWidth
@@ -91,12 +92,12 @@ define(["d3"], function (d3) {
       })
     }
 
-    var el = document.createElement("div")
+    el = document.createElement("div")
     el.classList.add("graph")
     self.div = el
 
     zoomBehavior = d3.behavior.zoom()
-                     .scaleExtent([1/3, 3])
+                     .scaleExtent([1 / 3, 3])
                      .on("zoom", panzoom)
 
     vis = d3.select(el).append("svg")
@@ -232,8 +233,6 @@ define(["d3"], function (d3) {
       node.classed("highlight", false)
       link.classed("highlight", false)
 
-      var size = force.size()
-
       animatePanzoom([sidebar.getWidth(), 0], 1)
     }