dependabot-automerge.yml

name: Dependabot Auto Merge

on:
  pull_request:
    types:
      - synchronize
      - reopened
      - opened

jobs:
  automerge:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Set up Node.js
        uses: actions/setup-node@v2
        with:
          node-version: '14'

      - name: Install dependencies
        run: npm install

      - name: Run tests
        run: npm test

      - name: Debug Environment Variables
        run: env

      - name: Merge Dependabot PR
        if: success()
        uses: actions/github-script@v4
        with:
          script: |
            const { context, github } = require('@actions/github');
            const pr = context.payload.pull_request;
            if (pr.user.login === 'dependabot[bot]' && pr.mergeable_state === 'clean') {
              await github.pulls.merge({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: pr.number,
                merge_method: 'squash'
              });
            } else {
              console.log(`PR not mergeable or not from dependabot: user=${pr.user.login}, mergeable_state=${pr.mergeable_state}`);
            }