build.yml

name: build
on:
  push:
    branches: [master]
  pull_request:
    branches: [master]
jobs:
  build-and-test:
    name: "${{ matrix.platform }}: node.js ${{ matrix.node-version }}"
    strategy:
      fail-fast: false
      matrix:
        platform: [ubuntu-latest]
        node-version: [20]
        include:
          - platform: ubuntu-latest
            node-version: 20
    runs-on: ${{ matrix.platform }}
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Set up Node.js
        uses: actions/setup-node@v2-beta
        with:
          node-version: ${{ matrix.node-version }}
      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
      - name: Cache Yarn
        uses: actions/cache@v2
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-node-${{ matrix.node-version }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-node-${{ matrix.node-version }}-yarn-
      - name: Install
        run: yarn install
      - name: Rebuild Elements README
        run: cd elements && for dir in */; do head -4 $dir/README.md; done > README.md