chore: Fix Psalm warnings

Author: exaby73

docker-compose.yml

@@ -3,7 +3,7 @@ networks:
 
 services:
     app:
-        user: ${UID-1000}:${GID-1000}
+        user: root:${UID-1000}:${GID-1000}
         build:
             context: .
         ports:

src/ClientFactory.php

@@ -56,15 +56,15 @@ public function create(): SymfonyClient
         /** @var ClientBuilder<SummarizedResult<CypherMap>> $builder */
         $builder = ClientBuilder::create();
 
-        if ($this->driverConfig) {
+        if (null !== $this->driverConfig) {
             $builder = $builder->withDefaultDriverConfiguration($this->makeDriverConfig());
         }
 
-        if ($this->sessionConfiguration) {
+        if (null !== $this->sessionConfiguration) {
             $builder = $builder->withDefaultSessionConfiguration($this->makeSessionConfig());
         }
 
-        if ($this->transactionConfiguration) {
+        if (null !== $this->transactionConfiguration) {
             $builder = $builder->withDefaultTransactionConfiguration($this->makeTransactionConfig());
         }
 
@@ -77,7 +77,7 @@ public function create(): SymfonyClient
             );
         }
 
-        if ($this->defaultDriver) {
+        if (null !== $this->defaultDriver) {
             $builder = $builder->withDefaultDriver($this->defaultDriver);
         }
 

src/Collector/Neo4jDataCollector.php

@@ -134,7 +134,7 @@ private function recursiveToArray(mixed $obj): mixed
     {
         if (is_array($obj)) {
             return array_map(
-                fn (mixed $x) => $this->recursiveToArray($x),
+                fn (mixed $x): mixed => $this->recursiveToArray($x),
                 $obj
             );
         }

tests/Functional/ProfilerTest.php

@@ -13,7 +13,7 @@ protected static function getKernelClass(): string
         return TestKernel::class;
     }
 
-    public function testProfiler()
+    public function testProfiler(): void
     {
         $client = static::createClient();
         $client->enableProfiler();