From 16adde4d5b4bed0e8a6d751382435f740402a982 Mon Sep 17 00:00:00 2001
From: mpone <m.parphenjuk@gmail.com>
Date: Fri, 28 Aug 2020 19:15:00 +0300
Subject: [PATCH] Solution

---
 src/deepEqual.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/deepEqual.js b/src/deepEqual.js
index 860208b..4eaf4e2 100644
--- a/src/deepEqual.js
+++ b/src/deepEqual.js
@@ -20,7 +20,23 @@
  * @return {boolean}
  */
 function deepEqual(a, b) {
-  // write code here
+  if (Object.is(a, b)) {
+    return true;
+  }
+
+  if (typeof a !== 'object' || typeof b !== 'object'
+  || a === null || b === null) {
+    return false;
+  }
+
+  const keysA = Object.keys(a);
+  const keysB = Object.keys(b);
+
+  if (keysA.length !== keysB.length) {
+    return false;
+  }
+
+  return keysA.every(key => deepEqual(a[key], b[key]));
 }
 
 module.exports = deepEqual;