#10 CLI: PHPSTan

Makefile

@@ -59,4 +59,4 @@ start:
 
 fix:
     # phpstan -l (level 0-9, max - newest)
-	docker-compose -f .docker/docker-compose.yml exec php vendor/bin/phpstan analyse app -l max
+	docker-compose -f .docker/docker-compose.yml exec php vendor/bin/phpstan analyse -c phpstan/config.neon --memory-limit 2048M

phpstan/Rules/Psr4NamespaceCheckRule.php

@@ -0,0 +1,77 @@
+<?php declare(strict_types=1);
+
+namespace Pd\PHPStan\Rules;
+
+class Psr4NamespaceCheckRule implements \PHPStan\Rules\Rule
+{
+
+	public function getNodeType(): string
+	{
+		return \PhpParser\Node\Stmt\ClassLike::class;
+	}
+
+
+	/**
+	 * @return array<string>
+	 *
+	 * @param \PhpParser\Node\Stmt\ClassLike $node
+	 */
+	public function processNode(
+		\PhpParser\Node $node,
+		\PHPStan\Analyser\Scope $scope,
+	): array
+	{
+		$namespace = (string) $node->namespacedName;
+		if ($namespace === '') {
+			return [
+				'Class does not have a defined namespace',
+			];
+		}
+
+		$filePath = \str_replace('\\', '/', $scope->getFile());
+
+		if (\preg_match('@/(app(-[a-z-]+)?)/@', $filePath, $matches) === FALSE) {
+			return [];
+		}
+
+		if ($matches === []) {
+			return [];
+		}
+
+		$directory = $matches[1];
+		$ns = $this->getNamespaceFromDirectoryName($directory);
+
+		$positionInDirectoryNamed = \strpos($filePath, $directory . '/');
+		if ($positionInDirectoryNamed === FALSE) {
+			return [];
+		}
+
+		$namespacedName = \preg_replace('/' . $directory . '/', $ns, \substr($filePath, $positionInDirectoryNamed), 1);
+
+		$filename = \pathinfo($namespacedName, \PATHINFO_FILENAME);
+		$pathname = \pathinfo($namespacedName, \PATHINFO_DIRNAME);
+
+		$pathname = "Pd" . \substr($pathname, 3);
+
+		$psr4Namespace = \str_replace('/', '\\', \sprintf('%s/%s', $pathname, $filename));
+
+		if ($psr4Namespace === $namespace) {
+			return [];
+		}
+
+		return [
+			\sprintf('Class like namespace "%s" does not follow PSR-4 configuration, use %s', $namespace, $psr4Namespace),
+		];
+	}
+
+
+	private function getNamespaceFromDirectoryName(string $directory): string
+	{
+		return \implode(
+			'', \array_map(static function (string $item): string {
+				return \ucfirst($item);
+			}, \explode('-', $directory))
+		);
+	}
+
+}

phpstan/config.neon

@@ -0,0 +1,8 @@
+parameters:
+	level: max
+
+	paths:
+		- app
+
+rules:
+    - app\PHPStan\Rules\Psr4NamespaceCheckRule