comment-on-linter-error.yml

name: Comment on the pull request

# read-write repo token
# access to secrets
on:
  workflow_run:
    workflows: ["Check lint failure"]
    types:
      - completed

jobs:
  upload:
    runs-on: ubuntu-latest
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'failure'
    steps:
      - name: Save PR number
        run: |
          mkdir -p ./pr
          echo ${{ github.event.number }} > ./pr/pr-number
      - uses: actions/upload-artifact@v4
        with:
          name: pr-number
          path: pr/pr-number
      - name: 'Download artifact'
        uses: actions/download-artifact@v4
        with:
          name: pr-number
          path: pr
      - name: Display structure of downloaded files
        run: ls -R pr

      - name: 'Comment on PR'
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            var fs = require('fs');
            var issue_number = Number(fs.readFileSync('pr/pr-number'));
            github.rest.issues.createComment({
              issue_number: issue_number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "Thanks for submitting this PR!\n\nUnfortunately, it has some linter errors, so we can't merge it yet. Can you please fix them?\n\nRunning yarn `lint:fix` in the root of the repository may fix them automatically."
            })