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In my application layout I have this conditional which helps deciding what stylesheet to use based on existence of current_user:
<% if current_user %>
<%= stylesheet_link_tag 'application', media: 'all', id: "maincss" %>
<% else %>
<%= stylesheet_link_tag 'session', media: 'all', id: "maincss" %>
<% end %>
But how can I specify which stylesheet to use based on the url?
For example, I want to use a 'password_reset.css' file for this path
get '/set/:password_reset_token' => 'password_resets#edit'
649
Here is what I do in my projects:
In the layout file, add a yield method like this:
<html>
<head>
...
...
<%= yield(:head) %>
</head>
...
In any view page (.erb file) that needs a custom CSS, I would add something like this at the top of the page.
<% content_for :head do %>
<%= stylesheet_link_tag 'custom_css_filename', media: 'all' %>
<% end %>
This way stylesheet will go in the right place only for that page.
Note:
If you want to include a custom stylesheet for every single URL in your application, you should use what is suggested in the previous answer.
185
You can try using
<%= stylesheet_link_tag *([params[:controller], params[:action]] + (params[:id] || '').split('/')) %>
If you are okay with using password_resets.css instead of password_reset.css
Note: You may get a few unwanted link tags as well, which may result in harmless(except to logs) 404 responses
25
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