Broken line width calculation (returns always 3)

bgpdata/templates/bgpdata/new_new_map.html

@@ -151,9 +151,17 @@ d3.json("/api/v2/crawlrun/live/?with_graph").then((data) => {
   const link = svg
     .selectAll(".link")
     .data(data.links)
-    .join((enter) => 
+    .join(enter =>
             enter.append("line")
-                 .attr("class", "link"));
+                 .attr("class", "link"))
+                 .style("stroke-width", l => {
+                    let width = l.source.neighbors + l.target.neighbors + 2;
+                    if(isNaN(width))
+                        return 3
+                    else
+                        return width
+
+                 })
 
   // Nodes data join