update deps & install rector

Structural/DataMapper/StorageAdapter.php

@@ -4,10 +4,7 @@ namespace DesignPatterns\Structural\DataMapper;
 
 class StorageAdapter
 {
-    /**
-     * @var array
-     */
-    private $data = [];
+    private array $data = [];
 
     public function __construct(array $data)
     {

Structural/DataMapper/Tests/DataMapperTest.php

@@ -2,6 +2,7 @@
 
 namespace DesignPatterns\Structural\DataMapper\Tests;
 
+use InvalidArgumentException;
 use DesignPatterns\Structural\DataMapper\StorageAdapter;
 use DesignPatterns\Structural\DataMapper\User;
 use DesignPatterns\Structural\DataMapper\UserMapper;
@@ -21,7 +22,7 @@ class DataMapperTest extends TestCase
 
     public function testWillNotMapInvalidData()
     {
-        $this->expectException(\InvalidArgumentException::class);
+        $this->expectException(InvalidArgumentException::class);
 
         $storage = new StorageAdapter([]);
         $mapper = new UserMapper($storage);

Structural/DataMapper/User.php

@@ -4,15 +4,8 @@ namespace DesignPatterns\Structural\DataMapper;
 
 class User
 {
-    /**
-     * @var string
-     */
-    private $username;
-
-    /**
-     * @var string
-     */
-    private $email;
+    private string $username;
+    private string $email;
 
     public static function fromState(array $state): User
     {
@@ -32,18 +25,12 @@ class User
         $this->email = $email;
     }
 
-    /**
-     * @return string
-     */
-    public function getUsername()
+    public function getUsername(): string
     {
         return $this->username;
     }
 
-    /**
-     * @return string
-     */
-    public function getEmail()
+    public function getEmail(): string
     {
         return $this->email;
     }

Structural/DataMapper/UserMapper.php

@@ -2,16 +2,12 @@
 
 namespace DesignPatterns\Structural\DataMapper;
 
+use InvalidArgumentException;
+
 class UserMapper
 {
-    /**
-     * @var StorageAdapter
-     */
-    private $adapter;
+    private StorageAdapter $adapter;
 
-    /**
-     * @param StorageAdapter $storage
-     */
     public function __construct(StorageAdapter $storage)
     {
         $this->adapter = $storage;
@@ -22,17 +18,13 @@ class UserMapper
      * in memory. Normally this kind of logic will be implemented using the Repository pattern.
      * However the important part is in mapRowToUser() below, that will create a business object from the
      * data fetched from storage
-     *
-     * @param int $id
-     *
-     * @return User
      */
     public function findById(int $id): User
     {
         $result = $this->adapter->find($id);
 
         if ($result === null) {
-            throw new \InvalidArgumentException("User #$id not found");
+            throw new InvalidArgumentException("User #$id not found");
         }
 
         return $this->mapRowToUser($result);