instrumental/lib/tasks/assets.rake

# frozen_string_literal: true

namespace :assets do
  desc 'Generate 500.html'
  task :generate_500 do
    html = ApplicationController.render('errors/500', layout: 'error')
    File.write(Rails.root.join('public', '500.html'), html)
  end
end

if Rake::Task.task_defined?('assets:precompile')
  Rake::Task['assets:precompile'].enhance do
    Webpacker::Manifest.load

    Rake::Task['assets:generate_500'].invoke
  end
end