From b21a1d243726e57c8c42d4ff2d74001ae1eacfdb Mon Sep 17 00:00:00 2001
From: koronya <koronya@hanmail.net>
Date: Thu, 12 Mar 2026 03:01:48 +0900
Subject: [PATCH] [JS][7kyu] Stalin Sort

---
 codewars/7kyu/stalin-sort/koronya.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 codewars/7kyu/stalin-sort/koronya.js

diff --git a/codewars/7kyu/stalin-sort/koronya.js b/codewars/7kyu/stalin-sort/koronya.js
new file mode 100644
index 000000000..6991f3262
--- /dev/null
+++ b/codewars/7kyu/stalin-sort/koronya.js
@@ -0,0 +1,24 @@
+// [JS][7kyu] Stalin Sort
+// stalin-sort
+// https://www.codewars.com/kata/699af631058f5c12b04f4efe/train/javascript
+
+const stalinSort = (array) => {
+  if (array.length === 0) {
+    return undefined
+  }
+  let prev = array[0]
+  const arrayLength = array.length
+  for (let i = 1; i < arrayLength; i += 1) {
+    if (array[i] < prev) {
+      array.splice(i, 1)
+      i -= 1
+    }
+    prev = array[i]
+  }
+}
+
+// stalinSort([1, 2, 3, 4, 5])
+// stalinSort([5, 3, 1, 2, 4])
+// stalinSort([1, 2, 2, 3, 1, 4])
+// stalinSort([3, 1, 4, 1, 5, 9, 2])
+// stalinSort([])