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Jekyll provides built-in support for Sass and can work with CoffeeScript via a Ruby gem. In order to use them, you must first create a file with the proper extension name (one of .sass, .scss, or .coffee) and start the file with two lines of triple dashes, like this:

---
---

// start content
.my-definition
  font-size: 1.2em

Jekyll treats these files the same as a regular page, in that the output file will be placed in the same directory that it came from. For instance, if you have a file named css/styles.scss in your site’s source folder, Jekyll will process it and put it in your site’s destination folder under css/styles.css.

Jekyll processes all Liquid filters and tags in asset files

If you are using Mustache or another JavaScript templating language that conflicts with the Liquid template syntax, you will need to place {% raw %} and {% endraw %} tags around your code.

Sass/SCSSPermalink

Jekyll allows you to customize your Sass conversion in certain ways.

Place all your partials in your sass_dir, which defaults to <source>/_sass. Place your main SCSS or Sass files in the place you want them to be in the output file, such as <source>/css. For an example, take a look at this example site using Sass support in Jekyll.

If you are using Sass @import statements, you’ll need to ensure that your sass_dir is set to the base directory that contains your Sass files:

sass:
    sass_dir: _sass

The Sass converter will default the sass_dir configuration option to _sass.

The sass_dir is only used by Sass

Note that the sass_dir becomes the load path for Sass imports, nothing more. This means that Jekyll does not know about these files directly, so any files here should not contain the front matter as described above nor will they be transformed as described above. This folder should only contain imports.

You may also specify the output style with the style option in your _config.yml file:

sass:
    style: compressed

These are passed to Sass, so any output style options Sass supports are valid here, too.

CoffeescriptPermalink

To enable Coffeescript in Jekyll 3.0 and up you must

• Install the jekyll-coffeescript gem
• Ensure that your _config.yml is up-to-date and includes the following:

plugins:
  - jekyll-coffeescript