sabind · February 13, 2014 03:15
diff --git a/application.js b/application.js
 //Empty space for binding constants
 MyApp.constants = { 
  //You can even set it to nothing so you have intelli-sense in an IDE
  SECRET: null
 };
diff --git a/ApplicationController.rb b/ApplicationController.rb
 class ApplicationHelper
  def self.register_js_constant(key, value)
    constant = "MyApp.constants.#{key.to_s}=#{value.to_json};"
    "<script type=\"text/javascript\">#{constant}</script>"
  end
 end
diff --git a/my_view.html.erb b/my_view.html.erb
 <% content_for :head do -%>
    <%= ApplicationHelper.register_js_constant('SECRET', 'This works well') %>
 <%  end -%>
diff --git a/specific_page.js b/specific_page.js
 //Access your server side variable
 //It will be here when you need it (as long as the server appends it)
 alert(MyApp.constants.SECRET);
	//Empty space for binding constants
	MyApp.constants = {
	//You can even set it to nothing so you have intelli-sense in an IDE
	SECRET: null
	};
	class ApplicationHelper
	def self.register_js_constant(key, value)
	constant = "MyApp.constants.#{key.to_s}=#{value.to_json};"
	"<script type=\"text/javascript\">#{constant}</script>"
	end
	end
	<% content_for :head do -%>
	<%= ApplicationHelper.register_js_constant('SECRET', 'This works well') %>
	<% end -%>
	//Access your server side variable
	//It will be here when you need it (as long as the server appends it)
	alert(MyApp.constants.SECRET);