Lightning v2 for Pantheon.

circle.yml

@@ -49,6 +49,7 @@ dependencies:
       fi
     - git config --global user.email "$GIT_EMAIL"
     - git config --global user.name "Circle CI"
+    - npm install -g bower
   override:
     - composer global require -n "hirak/prestissimo:^0.3"
     - composer global require -n "consolidation/cgr"

composer.json

@@ -16,6 +16,7 @@
     "cweagans/composer-patches": "^1.0",
 
     "drupal/core": "~8",
+    "acquia/lightning-project": "^8.2",
 
     "drupal/console": "^1.0.0-rc8",
     "drush/drush": "~8",
@@ -38,7 +39,7 @@
   "conflict": {
       "drupal/drupal": "*"
   },
-  "minimum-stability": "alpha",
+  "minimum-stability": "dev",
   "prefer-stable": true,
   "autoload": {
     "classmap": [
@@ -47,11 +48,15 @@
   },
   "scripts": {
     "build-assets": [
-      "./scripts/composer/install-or-update"
+      "./scripts/composer/install-or-update",
+      "@lightning"
     ],
     "drupal-unit-tests": "cd web/core && ../../vendor/bin/phpunit --testsuite=unit --exclude-group Composer,DependencyInjection,PageCache",
     "drupal-scaffold": "DrupalComposer\\DrupalScaffold\\Plugin::scaffold",
     "prepare-for-pantheon": "DrupalProject\\composer\\ScriptHandler::prepareForPantheon",
+    "lightning": [
+      "Acquia\\Lightning\\ScriptHandler::deployLibraries"
+    ],
     "post-install-cmd": [
       "@drupal-scaffold",
       "DrupalProject\\composer\\ScriptHandler::createRequiredFiles"
@@ -78,6 +83,7 @@
         "sites/default/default.services.pantheon.preproduction.yml",
         "sites/default/settings.pantheon.php"
       ]
-    }
+    },
+    "enable-patching": true
   }
 }