jekyll-minifier 
Requires Ruby 2.3+
Minifies HTML, XML, CSS, JSON and JavaScript both inline and as separate files utilising yui-compressor and htmlcompressor.
This was created due to the previous minifier (jekyll-press) not being CSS3 compatible, which made me frown.
Note: this is my first ever gem, I'm learning, so feedback is much appreciated.
** This minifier now only runs when JEKYLL_ENV="production" is set in the environment **
Easy to use, just install the jekyll-minifier gem:
gem install jekyll-minifierThen add this to your _config.yml:
plugins:
- jekyll-minifier
Optionally, you can also add exclusions using:
jekyll-minifier:
exclude: 'atom.xml' # Exclude files from processing - file name, glob pattern or array of file names and glob patterns
and toggle features and settings using:
jekyll-minifier:
preserve_php: true # Default: false
remove_spaces_inside_tags: true # Default: true
remove_multi_spaces: true # Default: true
remove_comments: true # Default: true
remove_intertag_spaces: true # Default: false
remove_quotes: false # Default: false
compress_css: true # Default: true
compress_javascript: true # Default: true
compress_json: true # Default: true
simple_doctype: false # Default: false
remove_script_attributes: false # Default: false
remove_style_attributes: false # Default: false
remove_link_attributes: false # Default: false
remove_form_attributes: false # Default: false
remove_input_attributes: false # Default: false
remove_javascript_protocol: false # Default: false
remove_http_protocol: false # Default: false
remove_https_protocol: false # Default: false
preserve_line_breaks: false # Default: false
simple_boolean_attributes: false # Default: false
compress_js_templates: false # Default: false
preserve_patterns: # Default: (empty)
uglifier_args: # Default: (empty)
js_args can be found in the the uglifier documentation at listed below
Note: es6 has been implemented as experimental only via the upstream uglifier package. See https://github.com/lautis/uglifier for more information.
To enable es6 syntax use:
jekyll-minifier:
uglifier_args:
harmony: true
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