Flashy provides helper methods to render flash messages in Rails views. Besides, it provides a javascript library to create flash messages in the browser
Flashy comes with Bootstrap classes for easy integration with Boostrap alerts
Add to your Gemfile
gem 'flashy'
Besides, you need to require the javascript in your app/assets/application.js
//= require flashy
Just render the flash partial with
<%= flashy %>
Create new flash errors from client using:
Flashy.message('error', 'This is the error explanation');