auto_merge_approved_pr.yml

name: "Auto Merge Approved PRs"

on:
  pull_request_review:
    types: [submitted]

jobs:
  auto_merge:
    runs-on: ubuntu-latest
    steps:
      - name: "Get Pull Request"
        id: pr
        uses: actions/github-script@v6
        with:
          result-encoding: string
          script: |
            const { data: pr } = await github.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.payload.pull_request.number,
            });
            return JSON.stringify(pr);
      - name: "Check Approvals"
        id: check
        uses: actions/github-script@v6
        with:
          script: |
            const pr = JSON.parse(steps.pr.outputs.result);
            const reviews = await github.pulls.listReviews({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: pr.number,
            });
            const approvals = reviews.data.filter(review => review.state === 'APPROVED');
            return approvals.length >= 2;
      - name: "Merge PR"
        if: steps.check.outputs.result == 'true'
        uses: actions/github-script@v6
        with:
          script: |
            await github.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.payload.pull_request.number,
            });