No WIP PR merges

no-wip.yml

name: "No WIP PR Title"

on:
  pull_request_target:
    types:
      - opened
      - edited
      - synchronize

jobs:
  check-title:
    name: "Check Title"
    runs-on: ubuntu-latest
    steps:
      - name: "Verify PR Title Clean"
        uses: actions/github-script@v3
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const title = context.payload.pull_request.title
            const regex = /^.?(WIP|wip)([\]\):]{1,2})?\s/
            if (regex.test(title) === true) {
              core.setFailed('Title starts with WIP token.')
            }