A library to provide comprehensive unit test coverage of your code considering opened PRs & ownerships to avoid double efforts, hence increasing productivity.
npm install comprehensive-js-coverage
var coverage = require('comprehensive-js-coverage');
coverage('repo_name', 'repo_owner', 'base_branch');
This would generate a /comprehensive_coverage directory under project root, containing unit test coverage reports for each Pull Request branch and the base branch.
npm test