Add electron

backend/src/Model/TreeNodeFactory.ts

@@ -0,0 +1,32 @@
+import { Edge, Tree, TreeNode } from './'
+
+export abstract class TreeNodeFactory {
+  public static fromEdgesAndValue(edgeNames: Array<string>, value: any): TreeNode {
+    const lastEdgeIndex = edgeNames.length - 1
+    var edges = edgeNames
+      .map((name, idx) => {
+          const edge = new Edge(name)
+
+          const nodeValue = lastEdgeIndex == idx ? value : undefined
+          const node = new TreeNode(edge, nodeValue)
+          edge.node = node
+          return edge
+      })
+
+    let reversed: Array<Edge> = edges.reverse()
+    let previous: Edge | undefined = undefined;
+    for (let edge of reversed) {
+        if (previous) {
+            edge.node.addEdge(previous)
+        }
+        previous = edge;
+    }
+
+    let leaf = reversed[0].node
+
+    let sourceTree = new Tree()
+    sourceTree.updateWithNode(leaf.firstNode())
+
+    return leaf
+  }
+}