feat: Add PHPStan support

composer.json

@@ -28,9 +28,11 @@
     "require-dev": {
         "myonlinestore/coding-standard": "^3.1",
         "phpunit/phpunit": "^8.5 || ^9.5",
-        "roave/infection-static-analysis-plugin": "^1.18",
+        "roave/infection-static-analysis-plugin": "^1.19",
         "roave/security-advisories": "dev-latest",
-        "vimeo/psalm": "^4.22"
+        "vimeo/psalm": "^4.23",
+        "phpstan/phpstan": "^1.7",
+        "phpstan/phpstan-phpunit": "^1.1"
     },
     "bin": [
         "bin/devtools"

phpstan.neon.dist

@@ -0,0 +1,9 @@
+parameters:
+    editorUrl: 'phpstorm://open?file=%%file%%&line=%%line%%'
+    level: 9
+    paths:
+        - src
+        - tests
+includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
+    - vendor/phpstan/phpstan-phpunit/rules.neon

src/Command/PhpStanCommand.php

@@ -0,0 +1,36 @@
+<?php
+declare(strict_types=1);
+
+namespace MyOnlineStore\DevTools\Command;
+
+use MyOnlineStore\DevTools\Configuration;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Process\Process;
+
+final class PhpStanCommand extends DevToolsCommand
+{
+    /** @var string|null */
+    protected static $defaultName = 'phpstan';
+
+    /** @var string|null */
+    protected static $defaultDescription = 'PHPStan';
+
+    protected function getProcess(InputInterface $input): Process
+    {
+        $command = [
+            $this->withVendorBinPath('phpstan'),
+        ];
+
+        if ($this->isGitHubFormat($input)) {
+            $command[] = '--error-format=github';
+        }
+
+        return new Process($command, timeout: null);
+    }
+
+    public static function isAvailable(Configuration $configuration): bool
+    {
+        return \is_file($configuration->getRootDir() . 'phpstan.neon.dist')
+            || \is_file($configuration->getRootDir() . 'phpstan.neon');
+    }
+}

src/Configuration.php

@@ -96,15 +96,18 @@ private function determineThreads(): string
      */
     private function gatherPhpVersions(): array
     {
+        if (false === $composerJson = \file_get_contents($this->rootDir . 'composer.json')) {
+            throw new \RuntimeException('Unable to read "composer.json"');
+        }
+
         /** @var array<array-key, mixed> $composer */
-        $composer = \json_decode(
-            \file_get_contents($this->rootDir . 'composer.json'),
-            true,
-            512,
-            \JSON_THROW_ON_ERROR
-        );
+        $composer = \json_decode($composerJson, true, 512, \JSON_THROW_ON_ERROR);
 
-        if (!isset($composer['require']['php'])) {
+        if (
+            !isset($composer['require'])
+            || !\is_array($composer['require'])
+            || !isset($composer['require']['php'])
+        ) {
             throw new \RuntimeException('Required PHP version not specified in composer.json');
         }
 

src/DevTools.php

@@ -10,6 +10,7 @@
 use MyOnlineStore\DevTools\Command\LintYamlCommand;
 use MyOnlineStore\DevTools\Command\ListPhpVersionsCommand;
 use MyOnlineStore\DevTools\Command\ListToolsCommand;
+use MyOnlineStore\DevTools\Command\PhpStanCommand;
 use MyOnlineStore\DevTools\Command\PhpUnitCommand;
 use MyOnlineStore\DevTools\Command\PsalmCommand;
 use MyOnlineStore\DevTools\Command\RoaveInfectionCommand;
@@ -35,6 +36,7 @@ public function getCommands(): array
             new LintYamlCommand($this->configuration),
             new ListToolsCommand($this->configuration),
             new ListPhpVersionsCommand($this->configuration),
+            new PhpStanCommand($this->configuration),
             new PhpUnitCommand($this->configuration),
             new PsalmCommand($this->configuration),
             new RoaveInfectionCommand($this->configuration),

tests/DevToolsTest.php

@@ -10,6 +10,7 @@
 use MyOnlineStore\DevTools\Command\LintYamlCommand;
 use MyOnlineStore\DevTools\Command\ListPhpVersionsCommand;
 use MyOnlineStore\DevTools\Command\ListToolsCommand;
+use MyOnlineStore\DevTools\Command\PhpStanCommand;
 use MyOnlineStore\DevTools\Command\PhpUnitCommand;
 use MyOnlineStore\DevTools\Command\PsalmCommand;
 use MyOnlineStore\DevTools\Command\RoaveInfectionCommand;
@@ -40,6 +41,7 @@ public function testGetCommands(): void
                 new LintYamlCommand($this->configuration),
                 new ListToolsCommand($this->configuration),
                 new ListPhpVersionsCommand($this->configuration),
+                new PhpStanCommand($this->configuration),
                 new PhpUnitCommand($this->configuration),
                 new PsalmCommand($this->configuration),
                 new RoaveInfectionCommand($this->configuration),
@@ -53,6 +55,7 @@ public function testListPhpVersion(): void
         \chdir(\dirname(__DIR__));
         $phpVersions = \exec('./bin/devtools list:php-versions');
 
+        self::assertIsString($phpVersions);
         self::assertStringContainsString(\PHP_MAJOR_VERSION . '.' . \PHP_MINOR_VERSION, $phpVersions);
     }
 }