config redirect

node_modules/non-layered-tidy-tree-layout/test/tree-node.js

@@ -0,0 +1,24 @@
+export default class TreeNode {
+  constructor(width, height) {
+    this.width = width
+    this.height = height
+    this.x = 0
+    this.y = 0
+    this.children = []
+  }
+
+  addChild(child) {
+    child.y = this.y + this.height
+    this.children.push(child)
+  }
+
+  randExpand(tree) {
+    tree.y += this.height
+    const i = Math.floor(Math.random() * (this.children.length + 1))
+    if (i === this.children.length) {
+      this.children.push(tree)
+    } else {
+      this.children[i].randExpand(tree)
+    }
+  }
+}