Link to last commit on GitHub which modified a page

app/components/page/authors_component.html.erb

@@ -1,14 +1,14 @@
 <% if last_commit_date %>
   <div class="flex mt-24 mb-3 justify-between items-center content-center gap-3 border-t pt-6 border-gray-600">
-    <div>
+    <%= link_to helpers.github_commit_url(last_commit), target: :_blank do %>
       <% page_authors.each_with_index do |(name, email), index| %>
         <%= image_tag "https://avatars.githubusercontent.com/u/e?email=#{email}&s=128", class: "relative z-#{index * 10} inline-block h-6 w-6 rounded-full ring-1 ring-white", data: { controller: "tippy", tippy_content: name } %>
       <% end %>
 
       <span class="text-gray-300 ml-3">
         Last modified: <%= time_ago_in_words(last_commit_date) %> ago
       </span>
-    </div>
+    <% end %>
 
     <%= link_to helpers.github_edit_file_url(@paths.first), class: "text-gray-300 hover:text-white flex" do %>
       <svg class="h-6 w-6" fill="currentColor" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512">

app/components/page/authors_component.rb

@@ -22,7 +22,11 @@ def page_authors
     []
   end
 
+  def last_commit
+    commits.last
+  end
+
   def last_commit_date
-    commits.last&.author_date
+    last_commit.try(:author_date)
   end
 end

app/helpers/github_helper.rb

@@ -1,10 +1,19 @@
 # frozen_string_literal: true
 
 module GitHubHelper
-  def github_edit_file_url(path)
-    github_repo_url = "https://github.com/marcoroth/hotwire.io"
-    github_default_branch = "main"
+  def github_repo_url
+    "https://github.com/marcoroth/hotwire.io"
+  end
+
+  def github_default_branch
+    "main"
+  end
 
+  def github_edit_file_url(path)
     "#{github_repo_url}/edit/#{github_default_branch}/#{path}"
   end
+
+  def github_commit_url(commit)
+    "#{github_repo_url}/commit/#{commit.sha}"
+  end
 end