Solution

package.json

@@ -18,7 +18,7 @@
   "devDependencies": {
     "@faker-js/faker": "^8.4.1",
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.3",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",
     "eslint-plugin-node": "^11.1.0",

src/app.js

@@ -1 +1,78 @@
-// write code here
+/* eslint-disable no-console */
+const path = require('path');
+const fs = require('fs');
+
+const moveFile = () => {
+  const [file, destination] = process.argv.slice(2);
+
+  if (!file || !destination) {
+    console.error('Usage: node app.js <file> <destination>');
+
+    return;
+  }
+
+  const sourcePath = path.resolve(file);
+  const destinationPath = path.resolve(destination);
+
+  if (sourcePath === destinationPath) {
+    return;
+  }
+
+  let data;
+
+  try {
+    data = fs.readFileSync(sourcePath);
+  } catch (err) {
+    console.error(err.message);
+
+    return;
+  }
+
+  try {
+    if (destination.endsWith('/')) {
+      if (!fs.existsSync(destination)) {
+        console.error(`Destination directory does not exist: ${destination}`);
+
+        return;
+      } else {
+        fs.writeFileSync(
+          path.join(destinationPath, path.basename(sourcePath)),
+          data,
+        );
+      }
+    } else if (fs.existsSync(destinationPath)) {
+      const stats = fs.statSync(destinationPath);
+
+      if (stats.isDirectory()) {
+        fs.writeFileSync(
+          path.join(destinationPath, path.basename(sourcePath)),
+          data,
+        );
+      } else {
+        fs.writeFileSync(destinationPath, data);
+      }
+    } else {
+      const destinationDir = path.dirname(destinationPath);
+
+      if (!fs.existsSync(destinationDir)) {
+        console.error(
+          `Destination directory does not exist: ${destinationDir}`,
+        );
+
+        return;
+      }
+
+      fs.writeFileSync(destinationPath, data);
+    }
+
+    fs.unlinkSync(sourcePath);
+  } catch (err) {
+    throw new Error(err.message);
+  }
+};
+
+moveFile();
+
+module.exports = {
+  moveFile,
+};