Level 9

phpstan.neon

@@ -1,5 +1,5 @@
 parameters:
-    level: 8
+    level: 9
     paths:
         - src/
         - tests/

src/Auth/TokenSources/CLITokenSource.php

@@ -56,9 +56,12 @@ public function __construct(string $filename, array $scopes = [])
     protected function parseFile(string $filename): void
     {
         $object = Yaml::parseFile($filename);
+        assert(is_array($object));
 
         $token = $object['oauth_token'];
+        assert(is_array($token));
 
+        assert(is_string($token['accesstoken']));
         $this->accessToken = $token['accesstoken'];
         $this->refreshToken = $token['refreshtoken'] ?? null;
 
@@ -136,7 +139,10 @@ public static function getFileLocation(): string
             return getenv('CBWS_CONFIG_FILE');
         }
 
-        return $_SERVER['HOME'].DIRECTORY_SEPARATOR.'.cbws.yaml';
+        $home = $_SERVER['HOME'];
+        assert(is_string($home));
+
+        return $home.DIRECTORY_SEPARATOR.'.cbws.yaml';
     }
 
     public function getProject(): ?string

src/Auth/TokenSources/ServiceAccountTokenSource.php

@@ -134,7 +134,10 @@ public function token(): AccessTokenInterface
      */
     public static function getFileLocation(): string
     {
-        return $_SERVER['HOME'].DIRECTORY_SEPARATOR.'.config'.DIRECTORY_SEPARATOR.'cbws'.DIRECTORY_SEPARATOR.'cbws.json';
+        $home = $_SERVER['HOME'];
+        assert(is_string($home));
+
+        return $home.DIRECTORY_SEPARATOR.'.config'.DIRECTORY_SEPARATOR.'cbws'.DIRECTORY_SEPARATOR.'cbws.json';
     }
 
     public function getProject(): ?string

src/Common/ReadMaskTrait.php

@@ -9,14 +9,15 @@
 trait ReadMaskTrait
 {
     /**
-     * @return string[]
+     * @return array<string>
      */
     public function getFields(): array
     {
         if ($this->object->getReadMask() === null) {
             return [];
         }
 
+        /** @phpstan-var array<string> */
         return iterator_to_array($this->object->getReadMask()->getPaths());
     }
 

src/Compute/Machines.php

@@ -58,6 +58,8 @@ public function list(ListMachinesRequest $request = new ListMachinesRequest()):
     /**
      * @yield Machine
      *
+     * @return Generator<Machine>
+     *
      * @throws StatusException
      */
     public function paginate(ListMachinesRequest $request = new ListMachinesRequest()): Generator