SimpleCov Markdown Formatter

Adds a report in markdown format. This can be useful in CI context or for LLMs.

gem install simplecov-markdown

require 'simplecov-markdown'
SimpleCov.formatter = SimpleCov::Formatter::MarkdownFormatter

if you want to configure multiple formatters:

SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
                                                                 SimpleCov::Formatter::HTMLFormatter,
                                                                 SimpleCov::Formatter::MarkdownFormatter
                                                               ])

LLMs and CI environments work well also with simplecov-console.

• Support branch coverage

• Sorted results by coverage — files are now sorted ascending by coverage percentage, so the least covered files appear first
• Missing line numbers — the report now includes a "Missing line numbers" column listing the exact line numbers not covered, instead of just a count
• Revised table columns — columns reordered and renamed: Coverage, File, Total lines, Total missed, Missing line numbers
• Ruby 4.0 support — tested against Ruby 3.2, 3.3, and 4.0 via GitHub Actions CI
• Dropped legacy dependencies — removed coveralls, rspec-temp_dir, and loosened bundler/rake version constraints

Initial release by holyshared.