File: last_run.rb

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# frozen_string_literal: true

require "json"

module SimpleCov
  module LastRun
    class << self
      def last_run_path
        File.join(SimpleCov.coverage_path, ".last_run.json")
      end

      def read
        return nil unless File.exist?(last_run_path)

        json = File.read(last_run_path)
        return nil if json.strip.empty?

        JSON.parse(json, symbolize_names: true)
      end

      def write(json)
        File.open(last_run_path, "w+") do |f|
          f.puts JSON.pretty_generate(json)
        end
      end
    end
  end
end