From af48487296805bdb8330602b2b844e68adeeaf12 Mon Sep 17 00:00:00 2001
From: Yan Kazymyr <kazymyr.yan@gmail.com>
Date: Wed, 1 Apr 2026 19:22:35 +0300
Subject: [PATCH 1/2] Solution

---
 src/app.js | 37 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/app.js b/src/app.js
index 0d15e7b..57db6da 100644
--- a/src/app.js
+++ b/src/app.js
@@ -1 +1,36 @@
-// write code here
+const fs = require('fs');
+const path = require('path');
+
+function moveFiles() {
+  const [source, destination] = process.argv.slice(2);
+
+  try {
+    let finalDest = destination;
+
+    if (destination.endsWith('/')) {
+      if (
+        !fs.existsSync(destination) ||
+        !fs.statSync(destination).isDirectory()
+      ) {
+        throw new Error('Destination directory does not exist');
+      }
+
+      finalDest = path.join(destination, path.basename(source));
+
+      fs.renameSync(source, finalDest);
+
+      return;
+    }
+
+    if (fs.existsSync(destination) && fs.statSync(destination).isDirectory()) {
+      finalDest = path.join(destination, path.basename(source));
+    }
+
+    fs.renameSync(source, finalDest);
+  } catch (error) {
+    // eslint-disable-next-line no-console
+    console.error(error.message);
+  }
+}
+
+moveFiles();

From 1d68807222bff59dcf43e26f42ee7a0517f789a1 Mon Sep 17 00:00:00 2001
From: Yan Kazymyr <kazymyr.yan@gmail.com>
Date: Wed, 1 Apr 2026 19:33:30 +0300
Subject: [PATCH 2/2] Fix

---
 src/app.js | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/app.js b/src/app.js
index 57db6da..4e85ba8 100644
--- a/src/app.js
+++ b/src/app.js
@@ -5,6 +5,14 @@ function moveFiles() {
   const [source, destination] = process.argv.slice(2);
 
   try {
+    if (!source || !destination) {
+      throw new Error('Invzlid arguments');
+    }
+
+    if (!fs.existsSync(source) || !fs.statSync(source).isFile()) {
+      throw new Error('Source is not a file');
+    }
+
     let finalDest = destination;
 
     if (destination.endsWith('/')) {
@@ -16,13 +24,10 @@ function moveFiles() {
       }
 
       finalDest = path.join(destination, path.basename(source));
-
-      fs.renameSync(source, finalDest);
-
-      return;
-    }
-
-    if (fs.existsSync(destination) && fs.statSync(destination).isDirectory()) {
+    } else if (
+      fs.existsSync(destination) &&
+      fs.statSync(destination).isDirectory()
+    ) {
       finalDest = path.join(destination, path.basename(source));
     }