From 09d7535d60c3d99cd997c5a97fbfbfae284f4b0f Mon Sep 17 00:00:00 2001
From: Sidach Ruslan <flashangel4600@gmail.com>
Date: Mon, 22 Jun 2026 12:18:33 +0300
Subject: [PATCH 1/2] add solution

---
 src/app.js | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/src/app.js b/src/app.js
index 0d15e7b..f0c9e46 100644
--- a/src/app.js
+++ b/src/app.js
@@ -1 +1,53 @@
-// write code here
+const fsPromises = require('fs/promises');
+const fs = require('fs');
+const path = require('path');
+
+async function main() {
+  const [source, destination] = process.argv.slice(2);
+
+  try {
+    if (!source || !destination) {
+      throw new Error('Missing arguments');
+    }
+
+    if (!fs.existsSync(source)) {
+      throw new Error('Source file does not exist');
+    }
+
+    let correctPath;
+
+    if (destination.endsWith('/')) {
+      if (
+        !fs.existsSync(destination) ||
+        !fs.statSync(destination).isDirectory()
+      ) {
+        throw new Error('Destination directory does not exist');
+      }
+
+      correctPath = path.join(destination, path.basename(source));
+    } else if (
+      fs.existsSync(destination) &&
+      fs.statSync(destination).isDirectory()
+    ) {
+      correctPath = path.join(destination, path.basename(source));
+    } else {
+      const parentDir = path.dirname(destination);
+
+      if (parentDir !== '.' && !fs.existsSync(parentDir)) {
+        throw new Error('Parent directory does not exist');
+      }
+
+      correctPath = destination;
+    }
+
+    const dataFile = await fsPromises.readFile(source, 'utf-8');
+
+    await fsPromises.unlink(source);
+    await fsPromises.writeFile(correctPath, dataFile, 'utf-8');
+  } catch (e) {
+    throw e;
+  }
+}
+
+// eslint-disable-next-line no-console
+main().catch((e) => console.error(e.massage));

From 2c90d675dbbfc0a53eb8604fa566895c9554b4de Mon Sep 17 00:00:00 2001
From: Sidach Ruslan <flashangel4600@gmail.com>
Date: Mon, 22 Jun 2026 12:34:22 +0300
Subject: [PATCH 2/2] add fix

---
 src/app.js | 66 +++++++++++++++++++++++++-----------------------------
 1 file changed, 31 insertions(+), 35 deletions(-)

diff --git a/src/app.js b/src/app.js
index f0c9e46..2b46c4c 100644
--- a/src/app.js
+++ b/src/app.js
@@ -5,49 +5,45 @@ const path = require('path');
 async function main() {
   const [source, destination] = process.argv.slice(2);
 
-  try {
-    if (!source || !destination) {
-      throw new Error('Missing arguments');
-    }
-
-    if (!fs.existsSync(source)) {
-      throw new Error('Source file does not exist');
-    }
+  if (!source || !destination) {
+    throw new Error('Missing arguments');
+  }
 
-    let correctPath;
+  if (!fs.existsSync(source)) {
+    throw new Error('Source file does not exist');
+  }
 
-    if (destination.endsWith('/')) {
-      if (
-        !fs.existsSync(destination) ||
-        !fs.statSync(destination).isDirectory()
-      ) {
-        throw new Error('Destination directory does not exist');
-      }
+  let correctPath;
 
-      correctPath = path.join(destination, path.basename(source));
-    } else if (
-      fs.existsSync(destination) &&
-      fs.statSync(destination).isDirectory()
+  if (destination.endsWith('/')) {
+    if (
+      !fs.existsSync(destination) ||
+      !fs.statSync(destination).isDirectory()
     ) {
-      correctPath = path.join(destination, path.basename(source));
-    } else {
-      const parentDir = path.dirname(destination);
-
-      if (parentDir !== '.' && !fs.existsSync(parentDir)) {
-        throw new Error('Parent directory does not exist');
-      }
-
-      correctPath = destination;
+      throw new Error('Destination directory does not exist');
     }
 
-    const dataFile = await fsPromises.readFile(source, 'utf-8');
+    correctPath = path.join(destination, path.basename(source));
+  } else if (
+    fs.existsSync(destination) &&
+    fs.statSync(destination).isDirectory()
+  ) {
+    correctPath = path.join(destination, path.basename(source));
+  } else {
+    const parentDir = path.dirname(destination);
+
+    if (parentDir !== '.' && !fs.existsSync(parentDir)) {
+      throw new Error('Parent directory does not exist');
+    }
 
-    await fsPromises.unlink(source);
-    await fsPromises.writeFile(correctPath, dataFile, 'utf-8');
-  } catch (e) {
-    throw e;
+    correctPath = destination;
   }
+
+  const dataFile = await fsPromises.readFile(source, 'utf-8');
+
+  await fsPromises.unlink(source);
+  await fsPromises.writeFile(correctPath, dataFile, 'utf-8');
 }
 
 // eslint-disable-next-line no-console
-main().catch((e) => console.error(e.massage));
+main().catch((e) => console.error(e.message));