Teensy GitHub Action to autofix linting errors (from the script defined in your package.json) per https://mskelton.medium.com/auto-formatting-code-using-prettier-and-github-actions-ed458f58b7df

lint-autofix.yml

name: Lint and autofix
on:
  pull_request:
    branches: [main]
jobs:
  format:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          ref: ${{ github.head_ref }}
      - uses: actions/setup-node@v2
        with:
          node-version: "16.x"
      - run: |
          npm ci
          npm run lint -- --fix
      - name: Commit changes
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: 🤖 linting with autofix 
          branch: ${{ github.head_ref }}

To use:

• Change line 17 with whatever your lint command with autofix flag is as defined in your package.json 😎
• Add to your repo’s .github/workflows directory
• ✌️