feat: Base directories creation

phpstan.neon.dist

 includes:
-	- phpstan-baseline.neon
+    - phpstan-baseline.neon
+    - vendor/composer/composer/phpstan/rules.neon
 
 parameters:
-	phpVersion: 70400
-	paths:
-		- src
-	level: max
+    phpVersion: 70400
+    paths:
+        - src
+    level: max

src/BaseDirectories.php

+<?php
+
+namespace SpipLeague\Composer;
+
+use Composer\Script\Event;
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * Script for post-install-cmd and post-update-cmd.
+ */
+class BaseDirectories
+{
+    /** @var string[] */
+    private static array $dirs = [
+        SpipPaths::VAR,
+        SpipPaths::TMP,
+        SpipPaths::DOC,
+    ];
+
+    /**
+     * To create base directories
+     *
+     * @param $event
+     *
+     * @return void
+     */
+    public static function createBaseDirectories(Event $event)
+    {
+        $event->getIO()->write('Creating base directories ...');
+        $vendorDir = $event->getComposer()->getConfig()->get('vendor-dir') . '/';
+
+        $f = new Filesystem();
+        foreach (self::$dirs as $dir) {
+            $toCreate = $vendorDir . '../' . $dir;
+            if (!$f->exists($toCreate)) {
+                $f->mkdir($toCreate);
+                $event->getIO()->write($dir . ' ...');
+            }
+        }
+
+        $event->getIO()->write('Done.');
+    }
+}

src/SpipInstallerPlugin.php

@@ -32,10 +32,17 @@ class SpipInstallerPlugin implements PluginInterface, EventSubscriberInterface,
     {
         return [
             'post-install-cmd' => [['updateSafetyScreen'], ['clearCache']],
-            'post-update-cmd' => [['updateSafetyScreen'], ['clearCache']],
+            'pre-update-cmd' => [['clearCache']],
+            'post-update-cmd' => [['updateSafetyScreen']],
+            'post-create-project-cmd' => ['onCreateProject'],
         ];
     }
 
+    public function onCreateProject(Event $event): void
+    {
+        BaseDirectories::createBaseDirectories($event);
+    }
+
     public function updateSafetyScreen(Event $event): void
     {
         Security::copySafetyScreen($event);