merger.yml

name: Format and merge PRs

on:
  pull_request:
    types: [labeled]

jobs:
  format-merge:
    runs-on: ubuntu-latest
    steps:          
      - uses: zwaldowski/match-label-action@v1
        id: label
        with:
          allowed: >
            lgtm
        
      - uses: actions/checkout@v1
        if: steps.label.outputs.match == 'lgtm'

      - name: Use Node.js 12.x
        if: steps.label.outputs.match == 'lgtm'
        uses: actions/setup-node@v1
        with:
          node-version: 12.x

      - name: Install
        if: steps.label.outputs.match == 'lgtm'
        run: yarn install

      - name: Run prettier
        if: steps.label.outputs.match == 'lgtm'
        run: yarn run prettier --write 'src/**/*.js'
   
      - uses: stefanzweifel/git-auto-commit-action@v2.3.0
        if: steps.label.outputs.match == 'lgtm'
        with:
          commit_message: Prettier
          branch: ${{ github.ref }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        
      - uses: maxkomarychev/merge-pal-action@v0.5.1
        if: steps.label.outputs.match == 'lgtm'
        with:
          token: ${{ secrets.GITHUB_TOKEN }}