Gab Social. All are welcome.

lib/tasks/assets.rake

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+def render_static_page(action, dest:, **opts)
+  html = ApplicationController.render(action, opts)
+  File.write(dest, html)
+end
+
+namespace :assets do
+  desc 'Generate static pages'
+  task generate_static_pages: :environment do
+    render_static_page 'errors/500', layout: 'error', dest: Rails.root.join('public', 'assets', '500.html')
+  end
+end
+
+if Rake::Task.task_defined?('assets:precompile')
+  Rake::Task['assets:precompile'].enhance do
+    Webpacker.manifest.refresh
+    Rake::Task['assets:generate_static_pages'].invoke
+  end
+end