Resetting graph fix

Author: nikitaeverywhere

package.json

@@ -1,6 +1,6 @@
 {
   "name": "iknow-entity-browser",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "Visualizer for iKnow entities",
   "main": "gulpfile.babel.js",
   "scripts": {

src/static/js/graph/index.js

@@ -188,6 +188,13 @@ export function update (reset = false) {
             edges: flattenEdges(g)
         };
 
+    if (reset) {
+        link = link.data([]);
+        link.exit().remove();
+        node = node.data([]);
+        node.exit().remove();
+    }
+
     link = links.selectAll("line").data(graph.edges, (d) => d.target.id);
     link.exit().remove();
     let linkEnter = link.enter().append("line")