name: 'Merge to master'

on:
  push:
    branches: [master]

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [12.16.3]

    steps:
      - name: Get branch name (merge)
        if: github.event_name != 'pull_request'
        shell: bash
        run: echo "BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | tr / -)" >> $GITHUB_ENV

      - name: Get branch name (pull request)
        if: github.event_name == 'pull_request'
        shell: bash
        run: echo "BRANCH_NAME=$(echo ${GITHUB_HEAD_REF} | tr / -)" >> $GITHUB_ENV

      - uses: actions/checkout@v2
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - run: npm i -g nyc
      - run: npm ci
      - run: npm run build
      - run: nyc npm test && nyc report --reporter=text-lcov | ./node_modules/coveralls/bin/coveralls.js
        env:
          COVERALLS_SERVICE_NAME: GithubActions
          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
          COVERALLS_GIT_BRANCH: ${{ env.BRANCH_NAME }}