Uncaught error fix while dropping descendants of type folder

Author: nikitaeverywhere

package.json

@@ -1,6 +1,6 @@
 {
   "name": "iknow-entity-browser",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Visualizer for iKnow entities",
   "main": "gulpfile.babel.js",
   "scripts": {

src/static/js/tabular/index.js

@@ -2,12 +2,10 @@ import { csv } from "./export";
 import * as model from "../model";
 import { onSelectionUpdate, updateSelection } from "../selection";
 
-var graph;
-
 onSelectionUpdate((selection) => {
     if (!model.uiState.tabularToggled)
         return;
-    let data = selection.sort((a, b) =>
+    let data = selection.filter(node => node.type === "entity").sort((a, b) =>
             a.entities[0].score > b.entities[0].score ? -1 : 1
         ),
         table = document.querySelector("#table table tbody");
@@ -25,8 +23,6 @@ onSelectionUpdate((selection) => {
 
 export function init () {
 
-    graph = model.getGraphData();
-
     d3.select("#tableToggle")
         .data([model.uiState])
         .on("click", function (d) {