Use newer phpstan and rector, use php 8.1 features (#34)

composer.json

@@ -31,9 +31,9 @@
         "guzzlehttp/guzzle": "^7.0",
         "cache/filesystem-adapter": "^1.1",
         "friendsofphp/php-cs-fixer": "^3.0",
-        "phpstan/phpstan": "^0.12.90",
+        "phpstan/phpstan": "^1.2",
         "jetbrains/phpstorm-attributes": "^1.0",
-        "rector/rector": "^0.11.46",
+        "rector/rector": "^0.12.7",
         "phpunit/phpunit": "^9.5",
         "symfony/http-client": "^5.0",
         "nyholm/psr7": "^1.0",

src/Client/DefaultRegistrationService.php

@@ -67,7 +67,7 @@ private function hasValidCacheRegistration(): bool
             return false;
         }
 
-        return $cache->get(CacheKey::REGISTRATION) ?? false;
+        return (bool) $cache->get(CacheKey::REGISTRATION);
     }
 
     private function storeCache(bool $result): void

src/Configuration/UnleashConfiguration.php

@@ -25,9 +25,8 @@ public function __construct(
         private array $headers = [],
         private bool $autoRegistrationEnabled = true,
         ?Context $defaultContext = null,
-        private ?UnleashContextProvider $contextProvider = null,
+        private ?UnleashContextProvider $contextProvider = new DefaultUnleashContextProvider(),
     ) {
-        $this->contextProvider ??= new DefaultUnleashContextProvider();
         if ($defaultContext !== null) {
             $this->setDefaultContext($defaultContext);
         }

src/DTO/DefaultVariant.php

@@ -36,7 +36,7 @@ public function getPayload(): ?VariantPayload
     }
 
     /**
-     * @phpstan-return array<string|bool|array>
+     * @phpstan-return array<string|bool|array<string>>
      */
     #[ArrayShape(['name' => 'string', 'enabled' => 'bool', 'payload' => 'mixed'])]
     public function jsonSerialize(): array
@@ -47,6 +47,7 @@ public function jsonSerialize(): array
         ];
         if ($this->payload !== null) {
             $result['payload'] = $this->payload->jsonSerialize();
+            assert(is_array($result['payload']));
         }
 
         return $result;

src/DTO/DefaultVariantPayload.php

@@ -51,7 +51,7 @@ public function fromJson(): array
             );
         }
 
-        return json_decode($this->value, true, 512, JSON_THROW_ON_ERROR);
+        return (array) json_decode($this->value, true, 512, JSON_THROW_ON_ERROR);
     }
 
     /**

src/Helper/DefaultImplementationLocator.php

@@ -31,7 +31,7 @@ final class DefaultImplementationLocator
     ];
 
     /**
-     * @var array<string,array<string,array>>
+     * @var array<string,array<string,array<mixed>>>
      */
     private array $defaultImplementations = [
         'cache' => [

src/Helper/StringStream.php

@@ -157,6 +157,9 @@ public function isReadable(): bool
         return true;
     }
 
+    /**
+     * @param int<0, max> $length
+     */
     public function read($length): string
     {
         if ($this->stream === null) {

src/Metrics/DefaultMetricsHandler.php

@@ -38,6 +38,7 @@ private function getOrCreateBucket(): MetricsBucket
         $bucket = null;
         if ($cache->has(CacheKey::METRICS_BUCKET)) {
             $bucket = $cache->get(CacheKey::METRICS_BUCKET);
+            assert($bucket instanceof MetricsBucket || $bucket === null);
         }
 
         $bucket ??= new MetricsBucket(new DateTimeImmutable());

src/Repository/DefaultUnleashRepository.php

@@ -86,7 +86,10 @@ private function getCachedFeatures(): ?array
             return null;
         }
 
-        return $cache->get(CacheKey::FEATURES, []);
+        $result = $cache->get(CacheKey::FEATURES, []);
+        assert(is_array($result));
+
+        return $result;
     }
 
     /**
@@ -109,6 +112,7 @@ private function parseFeatures(string $rawBody): array
     {
         $features = [];
         $body = json_decode($rawBody, true, 512, JSON_THROW_ON_ERROR);
+        assert(is_array($body));
         foreach ($body['features'] as $feature) {
             $strategies = [];
             $variants = [];