From 5e8fc973c4c7aa3f1ef09c82d3ba8042d039271d Mon Sep 17 00:00:00 2001
From: Elena-brv <leena.brv@gmail.com>
Date: Thu, 27 Aug 2020 22:03:42 +0300
Subject: [PATCH 1/2] solution

---
 package.json     |  2 +-
 src/deepEqual.js | 30 +++++++++++++++++++++++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 29cd1e0..d09183b 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "*",
-    "@mate-academy/scripts": "^0.3.5",
+    "@mate-academy/scripts": "^0.6.4",
     "eslint": "^5.16.0",
     "eslint-plugin-jest": "^22.4.1",
     "eslint-plugin-node": "^8.0.1",
diff --git a/src/deepEqual.js b/src/deepEqual.js
index 860208b..6ba59bd 100644
--- a/src/deepEqual.js
+++ b/src/deepEqual.js
@@ -20,7 +20,35 @@
  * @return {boolean}
  */
 function deepEqual(a, b) {
-  // write code here
+  if (a === null && b === null) {
+    return true;
+  } else if ((a === null && b !== null) || (a !== null && b === null)) {
+    return false;
+  }
+
+  if (typeof a !== 'object' || typeof b !== 'object') {
+    return a === b;
+  }
+
+  if (Object.keys(a).length !== Object.keys(b).length) {
+    return false;
+  }
+
+  for (const key in a) {
+    if (!b.hasOwnProperty(key)) {
+      return false;
+    } else if (typeof (a[key]) !== 'object' && a[key] !== b[key]) {
+      return false;
+    } else if (typeof (a[key]) === 'object') {
+      const result = deepEqual(a[key], b[key]);
+
+      if (!result) {
+        return false;
+      }
+    }
+  }
+
+  return true;
 }
 
 module.exports = deepEqual;

From f0ff1c070e49e36c82556b31d70b228f1274b714 Mon Sep 17 00:00:00 2001
From: Elena-brv <leena.brv@gmail.com>
Date: Fri, 28 Aug 2020 09:49:06 +0300
Subject: [PATCH 2/2] fixed

---
 src/deepEqual.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/deepEqual.js b/src/deepEqual.js
index 6ba59bd..9db8527 100644
--- a/src/deepEqual.js
+++ b/src/deepEqual.js
@@ -20,9 +20,11 @@
  * @return {boolean}
  */
 function deepEqual(a, b) {
-  if (a === null && b === null) {
+  if (a === b) {
     return true;
-  } else if ((a === null && b !== null) || (a !== null && b === null)) {
+  }
+
+  if (a === null || b === null) {
     return false;
   }
 
@@ -37,9 +39,7 @@ function deepEqual(a, b) {
   for (const key in a) {
     if (!b.hasOwnProperty(key)) {
       return false;
-    } else if (typeof (a[key]) !== 'object' && a[key] !== b[key]) {
-      return false;
-    } else if (typeof (a[key]) === 'object') {
+    } else {
       const result = deepEqual(a[key], b[key]);
 
       if (!result) {