Adapt redux

Add hover-effect on nodes
Add Setting drawer
Ass auto expansion setting

backend/package.json

@@ -34,25 +34,5 @@
     ],
     "sourceMap": true,
     "instrument": true
-  },
-  "dependencies": {
-    "mqtt": "^2.18.8",
-    "sha1": "^1.1.1",
-    "socket.io": "^2.2.0"
-  },
-  "devDependencies": {
-    "@types/chai": "^4.1.7",
-    "@types/mocha": "^5.2.5",
-    "@types/node": "^10.12.18",
-    "@types/sha1": "^1.1.1",
-    "@types/socket.io": "^2.1.2",
-    "chai": "^4.2.0",
-    "mocha": "^5.2.0",
-    "nyc": "^13.1.0",
-    "source-map-support": "^0.5.9",
-    "ts-node": "^7.0.1",
-    "tslint": "^5.12.0",
-    "tslint-strict-null-checks": "^1.0.1",
-    "typescript": "^3.2.2"
   }
 }

backend/src/Model/TreeNode.ts

@@ -93,6 +93,10 @@ export class TreeNode {
     return this.leafes().length
   }
 
+  public edgeCount(): number {
+    return Object.values(this.edges).length
+  }
+
   public leafes(): TreeNode[] {
     if (this.cachedLeafes === undefined) {
       if (Object.values(this.edges).length === 0) {