Middleman::Autoprefixer

Automatically add vendor prefixes to CSS rules in stylesheets served by Middleman.

Usage

Add the following line to Gemfile, then run bundle install:

gem 'middleman-autoprefixer'

After installation, activate the extension in config.rb:

activate :autoprefixer

Configuration

The extension has 4 optionally configurable fields:

activate :autoprefixer do |config|
  config.browsers = ['last 2 versions', 'Explorer >= 9']
  config.cascade  = false
  config.inline   = true
  config.ignore   = ['hacks.css']
end

browsers

The list of targeted browsers. Takes values and uses defaults accordingly to Autoprefixer’s documentation.

cascade

The visual cascade of prefixed properties: true or false. Uses the default value accordingly to Autoprefixer’s documentation.

inline

Whether to prefix inline styles within HTML files: true or false. Disabled by default.

ignore

The array of patterns or paths to exclude from prefixing. Empty by default.

License

Middleman Autoprefixer was created by Dominik Porada is distributed under the MIT license.