Merge pull request #58 from w3c/prettierCI

chore: github action to run prettier

.github/workflows/dependabot.yaml

@@ -0,0 +1,12 @@
+# Set update schedule for GitHub Actions
+
+version: 2
+updates:
+
+ - package-ecosystem: "github-actions"
+ directory: "/"
+ schedule:
+ interval: "weekly"
+ open-pull-requests-limit: 10
+ commit-message:
+ prefix: "chore: dependabot"

.github/workflows/prettier.yaml

@@ -0,0 +1,26 @@
+name: Prettier
+# minimally modified from https://github.com/creyD/prettier_action#example-2-using-the-only_changed-or-same_commit-option-on-pr
+
+on:
+ pull_request:
+ branches: 
+ - main
+
+jobs:
+ prettier:
+ runs-on: ubuntu-latest
+
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v3
+ with:
+ # Make sure the actual branch is checked out when running on pull requests
+ ref: ${{ github.head_ref }}
+ # This is important to fetch the changes to the previous commit
+ fetch-depth: 0
+
+ - name: Prettify code
+ uses: creyD/prettier_action@v4.3
+ with:
+ prettier_options: --write *.html --print-width 200
+ commit_message: "chore: prettier"