Adding selected CSS/JavaScript to Ruby on Rails views

Question

I just want to add different CSS/JavaScript on different views. Obviously if I put them in layout, they will be added to each view. Also, I don't want to create separate layouts for different views.

I created a layout layouts/standard.html.erb with following content in head:

<head>
<%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track' => true %>
<%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>
</head>

This is adding no CSS/JavaScript from app/assets folder to the rendered page.

I also tried <%= yield :javascript %> in layout and content_for in the view using javascript_include_tag 'filename' but it is giving asset pipeline error.

Can you post the code in detail about what you tried?

Pavan
– Pavan

2015-08-05 08:21:02 +00:00
Commented Aug 5, 2015 at 8:21 — Pavan
– Pavan, Commented Aug 5, 2015 at 8:21

EugZol · Accepted Answer · 2015-08-05 08:22:30Z

1

You can use controller specific javascripts like described in the documentation:

When you generate a scaffold or a controller, Rails also generates a JavaScript file (or CoffeeScript file if the coffee-rails gem is in the Gemfile) and a Cascading Style Sheet file (or SCSS file if sass-rails is in the Gemfile) for that controller. Additionally, when generating a scaffold, Rails generates the file scaffolds.css (or scaffolds.css.scss if sass-rails is in the Gemfile.)

For example, if you generate a ProjectsController, Rails will also add a new file at app/assets/javascripts/projects.js.coffee and another at app/assets/stylesheets/projects.css.scss. By default these files will be ready to use by your application immediately using the require_tree directive. See Manifest Files and Directives for more details on require_tree.

I recommend looking through all of that page as well to understand how asset pipeline works.

answered Aug 5, 2015 at 8:22

EugZol

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1 Comment

Ashutosh Over a year ago

Thanks a lot EugZon, this solved lot of my questions

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