class Spoom::Coverage::D3::Timeline::Sigs

def initialize(id, snapshots)
  keys = ["false", "true"]
  data = snapshots.map do |snapshot|
    {
      timestamp: snapshot.commit_timestamp,
      commit: snapshot.commit_sha,
      total: snapshot.methods_with_sig_excluding_rbis + snapshot.methods_without_sig_excluding_rbis,
      values: {
        true: snapshot.methods_with_sig_excluding_rbis,
        false: snapshot.methods_without_sig_excluding_rbis,
      },
    }
  end
  super(id, data, keys)
end

def tooltip
  <<~JS
    function tooltip_#{id}(d) {
      tooltipTimeline(d, "methods excluding RBIs");
    }
  JS
end