Summary coverage

Create a gh check with a link to a detailed coverage summary

Usage

Add following to your steps after the step running your test suite

    - uses: smartlyio/summary-coverage-action
      with:
        coverage-file: coverage.json
        report-url: http://example.com/report/index.html
        github-token: ${{secrets.GITHUB_TOKEN}}

Where coverage.json is path to a report file produced by Jest/Istanbul with coverageReporter: ['json'].

You can also pass in a summary report by passing coverage-mode: summary and using the following reporter in Jest:

coverageReporters: ['json-summary']