GitHub Action config for removing unused code

cleanup.yml

# .github/workflows/cleanup.yml
# Runs the elm-review command on a regular basis and opens a PR removing unused code

name: Cleanup

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
   schedule:
     # Run at midnight UTC, every Sunday
     - cron: "0 0 * * 0"
    
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: install node
        uses: actions/setup-node@v1
        with:
          node-version: 14.x
      - run: npx install
      - run: yes | elm-review --fix-all
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3
        with:
          commit-message: "Remove unused code"
          title: "Remove unused code using elm-review"
          body: |
            Auto-generated by the Cleanup 🧹 GitHub Action.
          branch: elm-review-cleanup