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# File 'lib/generators/simple_email_preview/update_previews_generator.rb', line 5
def generate_mailer_previews
previews_dir = 'app/mailer_previews/'
empty_directory previews_dir
Dir['app/mailers/*.rb'].each do |p|
basename = File.basename(p, '.rb')
if basename == 'application_mailer' || File.read(p) !~ /\bdef\s/
shell.say_status :skip, basename, :blue
next
end
preview_path = File.join(previews_dir, "#{basename}_preview.rb")
if File.exist?(preview_path)
shell.say_status :exist, preview_path, :blue
next
end
create_file preview_path, mailer_class_body(basename.camelize)
end
end
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