check in an empty artifacts/ dir

Author: devoncarew

.github/workflows/dartpad_ui.yml

@@ -35,12 +35,15 @@ jobs:
       - run: flutter pub get
       - run: flutter analyze
       - run: dart format --set-exit-if-changed .
+
       - name: Create template projects
         run: dart run grinder build-project-templates
         working-directory: pkgs/dart_services/
       - name: Build the sdk compilation artifacts
         run: dart run grinder build-storage-artifacts
         working-directory: pkgs/dart_services/
+
       - run: flutter build web
-      - run: flutter test test
-      - run: sh ./tool/check_cycles.sh
+      - run: flutter test
+
+      - run: tool/check_cycles.sh

pkgs/dart_services/.gitignore

@@ -19,7 +19,9 @@ pubspec.lock
 dump.rdb
 
 # compilation artifacts
-artifacts/
+artifacts/*.dill
+artifacts/*.js
+artifacts/*.map
 project_templates/
 flutter-sdks/
 local_pub_cache/

pkgs/dart_services/artifacts/_placeholder.txt

@@ -0,0 +1 @@
+