Add rector [batch]

.github/workflows/rector.yml

@@ -0,0 +1,21 @@
+on:
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - 'README.md'
+      - 'CHANGELOG.md'
+      - '.gitignore'
+      - '.gitattributes'
+      - 'infection.json.dist'
+      - 'psalm.xml'
+
+name: rector
+
+jobs:
+  rector:
+    uses: yiisoft/actions/.github/workflows/rector.yml@master
+    with:
+      os: >-
+        ['ubuntu-latest']
+      php: >-
+        ['8.0']

composer.json

@@ -33,6 +33,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
+        "rector/rector": "^0.14.3",
         "roave/infection-static-analysis-plugin": "^1.16",
         "spatie/phpunit-watcher": "^1.23",
         "vimeo/psalm": "^4.18"

rector.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector;
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->paths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ]);
+
+    // register a single rule
+    $rectorConfig->rule(InlineConstructorDefaultToPropertyRector::class);
+
+    // define sets of rules
+    $rectorConfig->sets([
+        LevelSetList::UP_TO_PHP_80,
+    ]);
+};

src/PgsqlMutex.php

@@ -18,17 +18,15 @@
 final class PgsqlMutex extends Mutex
 {
     private array $lockKeys;
-    private PDO $connection;
 
     /**
      * @param string $name Mutex name.
      * @param PDO $connection PDO connection instance to use.
      */
-    public function __construct(string $name, PDO $connection)
+    public function __construct(string $name, private PDO $connection)
     {
         // Converts a string into two 16-bit integer keys using the SHA1 hash function.
         $this->lockKeys = array_values(unpack('n2', sha1($name, true)));
-        $this->connection = $connection;
 
         /** @var string $driverName */
         $driverName = $connection->getAttribute(PDO::ATTR_DRIVER_NAME);

src/PgsqlMutexFactory.php

@@ -13,14 +13,11 @@
  */
 final class PgsqlMutexFactory extends MutexFactory
 {
-    private PDO $connection;
-
     /**
      * @param PDO $connection PDO connection instance to use.
      */
-    public function __construct(PDO $connection)
+    public function __construct(private PDO $connection)
     {
-        $this->connection = $connection;
     }
 
     public function create(string $name): MutexInterface