From 03ee42bfea8c7fb1343e214d07b5efd848b419c5 Mon Sep 17 00:00:00 2001
From: gkucmierz <gkucmierz@gmail.com>
Date: Sat, 19 Aug 2017 16:03:51 +0200
Subject: [PATCH] How deep do these trees even go?

---
 how-deep-do-these-trees-even-go/index.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 how-deep-do-these-trees-even-go/index.js

diff --git a/how-deep-do-these-trees-even-go/index.js b/how-deep-do-these-trees-even-go/index.js
new file mode 100644
index 0000000..4120b76
--- /dev/null
+++ b/how-deep-do-these-trees-even-go/index.js
@@ -0,0 +1,20 @@
+// https://www.codewars.com/kata/how-deep-do-these-trees-even-go/train/javascript
+
+function arrayDeepness(arr) {
+  let deep = (arr, lvl, fn) => {
+    if (arr && arr.map) {
+//       arr.map(el => deep(el, lvl + 1, fn));
+      for (let i = 0; i < arr.length; ++i) {
+        deep(arr[i], lvl + 1, fn);
+      }
+    } else {
+      fn(lvl);
+    }
+  };
+  let res = [];
+  deep(arr, 0, lvl => res.push(lvl));
+  let min = Math.min(...res);
+  let max = Math.max(0, ...res);
+  let mean = +(res.reduce((a, b) => a + b, 0) / res.length).toFixed(3);
+  return {min, max, mean};
+}
\ No newline at end of file