action.yml

inputs:
  working-directory: 
    description: 'Working directory where package.json can be found'
    default: '.'
runs:
  using: "composite"
  steps: 
    - name: Extract contributed themes from package.json
      uses: ./.github/actions/jq-action-master
      id: themes
      with:
        cmd: 'jq .contributes.themes[].path ${{ inputs.working-directory }}/package.json --raw-output'
        multiline: true
    - name: Verify each contributed theme exists
      shell: bash
      run: |
        errors=0
        themes_in_package_json="${{ steps.themes.outputs.value }}"
        for theme in $themes_in_package_json; do
          filepath="${{ inputs.working-directory }}/$theme"
          if (!(test -f "$filepath")); then
            echo "ERROR: File not found: $filepath"
            errors+=1
          fi
        done
        exit $errors