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# https://help.github.com/en/articles/workflow-syntax-for-github-actions
on: pushname: Linuxjobs:  verify:    name: Verify    runs-on: ubuntu-latest    strategy:      matrix:        nodejs:        - 12        typescript:        - "3.4.1"        - "3.5"        - "3.6"        - "3.7"        - "3.8"        - "3.9"      fail-fast: false    steps:    - name: Checkout source codes      uses: actions/checkout@v2    - name: Install Node.js      uses: actions/setup-node@v1      with:        node-version: ${{ matrix.nodejs }}    - name: Output versions      run: |        node -v        npm -v    - name: Install dependencies      run: npm ci    - name: Reinstall typescript      run: npm i -D typescript@${{ matrix.typescript }}    - name: Build      run: npm run build    - name: Verify      run: npm run verify