jekyll-contentblocks

CicleCI build:

Gives you a mechanism in Jekyll to pass content up from pages into their parent layouts. It's kind of like having Rails' content_for available for Jekyll.

Installation

jekyll-contentblocks supports Jekyll 2.3.0 and above. Any other version below 2.3.0 is not guaranteed to work.

Bundler (recommended)

Add this line to your Jekyll project's Gemfile:

 group :jekyll_plugins do
   gem 'jekyll-contentblocks'
 end

Then execute:

$ bundle install

Standalone

Execute:

$ gem install jekyll-contentblocks

And initialize it in a plugin:

# _plugins/ext.rb
require "rubygems"
require "jekyll-contentblocks"

Usage

In your layout files, define contentblock blocks that say where content will end up. For example, say the file _layouts/default.html looks like this:

<html>
  <head>
    {% contentblock scripts %}
  </head>
  <body>
    <div class="main">
      {{ content }}
    </div>
    <div class="sidebar">
      {% contentblock sidebar %}
    </div>
  </body>
</html>

Now to add content to the sidebar from a post, you'd just need to do something like:

---
layout: default
---

Here is my post content.

{% contentfor sidebar %}
* Some content
* in a markdown list
* with some {{ 'liquid' }} tags too!
{% endcontentfor %}

Note that we didn't add anything to the scripts block in the post. That's OK, content blocks without any content will be ignored.

Skipping content conversion in a block

By default, a content block will be run through the converter for the current file (Markdown, for instance). Sometimes this is not desirable, such as for blocks containing code that shouldn't be modified. In the example above, content in the scripts block will be converted by default. To prevent this, add the no-convert option to the block, like this:

{% contentblock scripts no-convert %}

Now any content added to scripts will be placed in the block without any formatting applied.

Checking if a block has content

We might want to check if the particular contentblock has content before using it in our template. To do this, use the ifhascontent tag:

{% ifhascontent javascripts %}
  <script type="text/javascript">
    {% contentblock javascripts %}
  </script>
{% endifhascontent %}

Similarly, there's the opposite tag, ifnothascontent:

{% ifnothascontent sidebar %}
  <div>
    This is our default sidebar.
  </div>
{% endifnothascontent %}

Contributing

Fork it
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request

Running the tests

Try to make sure that your changes work with all of the latest point releases of Jekyll. To do this, run the test suite:

> bundle
> bundle exec appraisal install
> bundle exec appraisal rpsec

rustygeldmacher/jekyll-contentblocks

rustygeldmacher

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