app/helpers/devise_helper.rb
# frozen_string_literal: true
module DeviseHelper
def devise_error_messages!
return '' if resource.errors.empty?
messages = resource.errors.full_messages.map { |msg| content_tag(:li, msg) }.join
html = <<-HTML
<div class="alert alert-danger alert-dismissible fade show" role="alert">
<button type="button" class="close" data-dismiss="alert">
<span aria-hidden="true">×</span>
</button>
<strong>
#{pluralize(resource.errors.count, 'error')} must be fixed
</strong>
#{messages}
</div>
HTML
html.html_safe
end
end