Add drupal-rector to tooling. (#77)

Co-authored-by: Edouard Cunibil <[email protected]>

.lando.yml

@@ -12,7 +12,7 @@ services:
       - apt-get install -y nodejs
       - npm install --global yarn
     run:
-      - cd /app/web && composer require drush/drush && composer install
+      - cd /app/web && composer require drush/drush palantirnet/drupal-rector && composer install
       - mkdir -p private/browsertest_output
       - yarn install --non-interactive --cwd /app/web/core
     overrides:
@@ -43,6 +43,9 @@ tooling:
     service: appserver
     cmd:
       web/vendor/drush/drush/drush --root=/app/web --uri=https://drupal-contributions.lndo.site
+  rector:
+    service: appserver
+    cmd: web/vendor/bin/rector
   si:
     service: appserver
     description: Install Drupal

rector.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+use DrupalFinder\DrupalFinder;
+use DrupalRector\Set\Drupal8SetList;
+use DrupalRector\Set\Drupal9SetList;
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    // Adjust the set lists to be more granular to your Drupal requirements.
+    // @todo find out how to only load the relevant rector rules.
+    //   Should we try and load \Drupal::VERSION and check?
+    $rectorConfig->sets([
+        Drupal8SetList::DRUPAL_8,
+        Drupal9SetList::DRUPAL_9,
+    ]);
+
+    $parameters = $rectorConfig->parameters();
+
+    $drupalFinder = new DrupalFinder();
+    // Use the appropriate folder so DrupalFinder knows what to do.
+    $drupalFinder->locateRoot(__DIR__ . '/web');
+    $drupalRoot = $drupalFinder->getDrupalRoot();
+    $rectorConfig->autoloadPaths([
+        $drupalRoot . '/core',
+        $drupalRoot . '/modules',
+        $drupalRoot . '/profiles',
+        $drupalRoot . '/themes'
+    ]);
+
+    $rectorConfig->skip(['*/upgrade_status/tests/modules/*']);
+    $rectorConfig->fileExtensions(['php', 'module', 'theme', 'install', 'profile', 'inc', 'engine']);
+    $rectorConfig->importNames(true, false);
+    $rectorConfig->importShortClasses(false);
+    $parameters->set('drupal_rector_notices_as_comments', true);
+};