From b3f7bfba238226d647c3d6c4bcf40f6964d1d4a0 Mon Sep 17 00:00:00 2001
From: Rostyslav <rhudovskyi@gmail.com>
Date: Mon, 23 Feb 2026 09:13:11 +0200
Subject: [PATCH 1/3] Solution

---
 src/arrayMethodSort.js | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..5689de87 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,24 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    for (let i = 0; i < this.length; i++) {
+      for (let o = 0; o < this.length - 1 - i; o++) {
+        let shouldSwap;
+
+        if (typeof compareFunction === 'function') {
+          shouldSwap = compareFunction(this[o], this[o + 1]) > 0;
+        } else {
+          shouldSwap = String(this[o]) > String(this[o + 1]);
+        }
+
+        if (shouldSwap) {
+          [this[o], this[o + 1]] = [this[o + 1], this[o]];
+        }
+      }
+    }
+
+    return this;
   };
 }
 

From f12032c7c6ade4694fd55b14797806d7d8ea3bdc Mon Sep 17 00:00:00 2001
From: Rostyslav <rhudovskyi@gmail.com>
Date: Mon, 23 Feb 2026 09:31:34 +0200
Subject: [PATCH 2/3] Solution

---
 src/arrayMethodSort.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 5689de87..93eaa2d6 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -5,6 +5,15 @@
  */
 function applyCustomSort() {
   [].__proto__.sort2 = function (compareFunction) {
+    if (
+      compareFunction !== undefined &&
+      typeof compareFunction !== 'function'
+    ) {
+      throw new TypeError(
+        'The comparison function must be either a function or undefined',
+      );
+    }
+
     for (let i = 0; i < this.length; i++) {
       for (let o = 0; o < this.length - 1 - i; o++) {
         let shouldSwap;

From 8716f117e2afd98a997c884d0111e3c110faf725 Mon Sep 17 00:00:00 2001
From: Rostyslav <rhudovskyi@gmail.com>
Date: Mon, 23 Feb 2026 09:49:04 +0200
Subject: [PATCH 3/3] Solution

---
 src/arrayMethodSort.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 93eaa2d6..2499f478 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -32,6 +32,8 @@ function applyCustomSort() {
 
     return this;
   };
+  /* eslint-disable-next-line no-extend-native */
+  Array.prototype.sort = [].__proto__.sort2;
 }
 
 module.exports = applyCustomSort;