I am writing a small Sinatra-based app and would like each view to be able to insert various items into the layout, for example the page title
or extra CSS/javascript references in the head
.
Currently my layout (erb) looks like this (simplified):
<html>
<head>
<title>Hard Coded Title Here</title>
<link rel="stylesheet" ... />
</head>
<body>
<h1>Hard Coded Title Here</h1>
<div id="content">
<%= yield %>
</div>
</body>
</html>
Rather than having the title and CSS/JS references hard coded, I'd like to achieve something along these lines:
<html>
<head>
<title><%= yield :title %></title>
<link rel="stylesheet" ... />
<%= yield :more_head_refs %>
</head>
<body>
<h1><%= yield :title %></h1>
<div id="content">
<%= yield %>
</div>
</body>
</html>
And be able to define the content for those blocks from within each view.
Is this possible, and if so how would I go about doing it?
I came up against this issue at Railscamp recently and luckily Tim Lucas was able to point me to something he forked and worked on called sinatra-content-for. This will cover what you need.
I've found this to be the most robust solution for Rails-style 'content_for' functionality in Sinatra, especially if you're using ERB templates rather than Haml:
http://github.com/kematzy/sinatra-outputbuffer
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