From 2af9635d3ee42ad8294f6d8ab80c8fa84c0c9a39 Mon Sep 17 00:00:00 2001
From: Sidach Ruslan <flashangel4600@gmail.com>
Date: Mon, 30 Mar 2026 09:24:41 +0300
Subject: [PATCH] add solution

---
 src/arrayMethodSort.js | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/src/arrayMethodSort.js b/src/arrayMethodSort.js
index 32363d0d..dfa0ded5 100644
--- a/src/arrayMethodSort.js
+++ b/src/arrayMethodSort.js
@@ -4,8 +4,33 @@
  * Implement method Sort
  */
 function applyCustomSort() {
-  [].__proto__.sort2 = function(compareFunction) {
-    // write code here
+  [].__proto__.sort2 = function (compareFunction) {
+    for (let i = 1; i < this.length; i++) {
+      const currentElement = this[i];
+      let correctIndex = i;
+
+      for (let j = i - 1; j >= 0; j--) {
+        let insertIndex;
+
+        if (compareFunction === undefined) {
+          insertIndex = String(this[j]) > String(currentElement);
+        } else {
+          insertIndex = compareFunction(this[j], currentElement) > 0;
+        }
+
+        if (!insertIndex) {
+          break;
+        }
+
+        // shift array
+        this[j + 1] = this[j];
+        correctIndex = j;
+      }
+
+      this[correctIndex] = currentElement;
+    }
+
+    return this;
   };
 }