Add Twig linting. (#26)

.editorconfig

@@ -0,0 +1,13 @@
+# @see http://editorconfig.org/
+
+# This is the top-most .editorconfig file; do not search in parent directories.
+root = true
+
+# All files.
+[*]
+end_of_line = LF
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitignore

@@ -1,2 +1,3 @@
 vendor
 composer.lock
+.idea

composer.json

@@ -17,7 +17,8 @@
         "async-aws/s3": "^1.8",
         "php": ">=7.4",
         "drush/drush": "^8 || ^10",
-        "webflo/drupal-finder": "^1.2"
+        "webflo/drupal-finder": "^1.2",
+        "vincentlanglet/twig-cs-fixer": "^0.1.0"
     },
     "autoload": {
         "psr-4": {

robo.drupal.example.yml

@@ -25,3 +25,4 @@ phpcs_ignore_paths:
 phpcs_standards:
   - Drupal
   - DrupalPractice
+twig_lint_enable: true

robo.yml

@@ -12,3 +12,4 @@ phpcs_ignore_paths:
 phpcs_standards:
   - PSR12
 drupal_document_root: web
+twig_lint_enable: false

src/Robo/Plugin/Commands/CICommands.php

@@ -34,6 +34,13 @@ class CICommands extends Tasks
      */
     protected $customCodePaths;
 
+    /**
+     * Boolean indicating whether Twig files should be linted.
+     *
+     * @var bool
+     */
+    protected $lintTwigFiles;
+
     /**
      * RoboFile constructor.
      */
@@ -45,6 +52,7 @@ public function __construct()
         $this->phpcsCheckExtensions = Robo::config()->get('phpcs_check_extensions');
         $this->phpcsIgnorePaths = Robo::config()->get('phpcs_ignore_paths');
         $this->customCodePaths = implode(' ', $this->getCustomCodePaths());
+        $this->lintTwigFiles = Robo::config()->get('twig_lint_enable', true);
     }
 
     /**
@@ -81,7 +89,7 @@ public function jobRunStaticAnalysis(): Result
     /**
      * Command to check coding standards.
      *
-     * @aliases phpcs
+     * @aliases phpcs twigcs
      *
      * @return \Robo\Result
      *   The result of the set of tasks.
@@ -91,12 +99,15 @@ public function jobCheckCodingStandards(): Result
         $standards = implode(',', $this->getCodingStandards());
         $extensions = implode(',', $this->phpcsCheckExtensions);
         $ignorePaths = implode(',', $this->phpcsIgnorePaths);
-        return $this->taskExecStack()
-            ->stopOnFail()
-            ->exec('vendor/bin/phpcs --config-set installed_paths vendor/drupal/coder/coder_sniffer')
-            ->exec("vendor/bin/phpcs --standard=$standards --extensions=$extensions \
-                --ignore=$ignorePaths $this->customCodePaths")
-            ->run();
+        /** @var \Robo\Task\CommandStack $stack */
+        $stack = $this->taskExecStack()->stopOnFail();
+        $stack->exec('vendor/bin/phpcs --config-set installed_paths vendor/drupal/coder/coder_sniffer');
+        $stack->exec("vendor/bin/phpcs --standard=$standards --extensions=$extensions \
+            --ignore=$ignorePaths $this->customCodePaths");
+        if ($this->lintTwigFiles) {
+            $stack->exec("vendor/bin/twig-cs-fixer lint $this->customCodePaths");
+        }
+        return $stack->run();
     }
 
     /**
@@ -112,12 +123,16 @@ public function jobFixCodingStandards(): Result
         $standards = implode(',', $this->getCodingStandards());
         $extensions = implode(',', $this->phpcsCheckExtensions);
         $ignorePaths = implode(',', $this->phpcsIgnorePaths);
-        return $this->taskExecStack()
-            ->stopOnFail()
-            ->exec('vendor/bin/phpcbf --config-set installed_paths vendor/drupal/coder/coder_sniffer')
-            ->exec("vendor/bin/phpcbf --standard=$standards --extensions=$extensions \
-                --ignore=$ignorePaths $this->customCodePaths")
-            ->run();
+        /** @var \Robo\Task\CommandStack $stack */
+        $stack = $this->taskExecStack()->stopOnFail();
+        $stack->exec('vendor/bin/phpcbf --config-set installed_paths vendor/drupal/coder/coder_sniffer');
+        $stack->exec("vendor/bin/phpcbf --standard=$standards --extensions=$extensions \
+                --ignore=$ignorePaths $this->customCodePaths");
+        if ($this->lintTwigFiles) {
+            $stack->exec("vendor/bin/twig-cs-fixer lint $this->customCodePaths --fix");
+        }
+
+        return $stack->run();
     }
 
     /**