content_for?

content_for?(name)

Instance Public methods

#content_for? checks whether any content has been captured yet using `content_for`. Useful to render parts of your layout differently based on what is in your views.

<%# This is the layout %>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>My Website</title>
  <%= yield :script %>
</head>
<body class="<%= content_for?(:right_col) ? 'two-column' : 'one-column' %>">
  <%= yield %>
  <%= yield :right_col %>
</body>
</html>

Links:

https://github.com/rails/rails/blob/0d6e8edc2a47a4b4c6824936632bfb83850db343/actionview/lib/action_view/helpers/capture_helper.rb#L188

doc_ruby_on_rails

2015-06-20 00:00:00

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