```ruby
module SweetAlert2Rails
  module ViewHelpers
    def link_to(*args, &block)
      html_options = args[block_given? ? 1 : 2] || {}

      if options_has_confirm?(html_options)
        html_options['data-sweet-alert-confirm'] = html_options.delete(:confirm) ||
                    html_options[:data].delete(:confirm)
      end

      super *args, &block
    end

    def submit_tag(value = 'Save changes', options = {})
      if options_has_confirm?(options)
        options['data-sweet-alert-confirm'] = options[:data].delete(:confirm)
      end

      super value, options
    end

    def button_tag(*args, &block)
      html_options = args[block_given? ? 0 : 1] || {}

      if options_has_confirm?(html_options)
        html_options['data-sweet-alert-confirm'] = html_options.delete(:confirm) ||
                    html_options[:data].delete(:confirm)
      end

      super *args, &block
    end

    protected

    def options_has_confirm?(options)
      options[:data] && options[:data][:confirm]
    end
  end
end
```

Verify options is a hash before pulling out confirm
user
```ruby
module SweetAlert2Rails
  module ViewHelpers
    def link_to(*args, &block)
      html_options = args[block_given? ? 1 : 2] || {}

      if options_has_confirm?(html_options)
        html_options['data-sweet-alert-confirm'] = html_options.delete(:confirm) ||
                    html_options[:data].delete(:confirm)
      end

      super *args, &block
    end

    def submit_tag(value = 'Save changes', options = {})
      if options_has_confirm?(options)
        options['data-sweet-alert-confirm'] = options[:data].delete(:confirm)
      end

      super value, options
    end

    def button_tag(*args, &block)
      html_options = args[block_given? ? 0 : 1] || {}

      if options_has_confirm?(html_options)
        html_options['data-sweet-alert-confirm'] = html_options.delete(:confirm) ||
                    html_options[:data].delete(:confirm)
      end

      super *args, &block
    end

    protected

    def options_has_confirm?(options)
      options.is_a?(Hash) && options[:data] && options[:data][:confirm]
    end
  end
end
```
assistant