Sha256: 7fc6f2861c5560a25d56ea9e09bfda8c3515ba11e02669e56eb210ffa6206951

Contents?: true

Size: 1.6 KB

Versions: 8

Compression:

Stored size: 1.6 KB

Contents

# encoding: utf-8

module Nanoc::Filters
  class Less < Nanoc::Filter

    requires 'less'

    # Runs the content through [LESS](http://lesscss.org/).
    # This method takes no options.
    #
    # @param [String] content The content to filter
    #
    # @return [String] The filtered content
    def run(content, params={})
      # Find imports (hacky)
      imports = []
      imports.concat(content.scan(/^@import\s+(["'])([^\1]+?)\1;/))
      imports.concat(content.scan(/^@import\s+url\((["']?)([^)]+?)\1\);/))
      imported_filenames = imports.map do |i|
        i[1].match(/\.(less|css)$/) ? i[1] : i[1] + '.less'
      end

      # Convert to items
      imported_items = imported_filenames.map do |filename|
        # Find directory for this item
        current_dir_pathname = Pathname.new(@item[:content_filename]).dirname.realpath

        # Find absolute pathname for imported item
        imported_pathname    = Pathname.new(filename)
        if imported_pathname.relative?
          imported_pathname = current_dir_pathname + imported_pathname
        end
        next if !imported_pathname.exist?
        imported_filename = imported_pathname.realpath

        # Find matching item
        @items.find do |i|
          next if i[:content_filename].nil?
          Pathname.new(i[:content_filename]).realpath == imported_filename
        end
      end.compact

      # Create dependencies
      depend_on(imported_items)

      # Add filename to load path
      paths = [ File.dirname(@item[:content_filename]) ]
      parser = ::Less::Parser.new(:paths => paths)
      parser.parse(content).to_css params
    end

  end
end

Version data entries

8 entries across 8 versions & 1 rubygems

Version Path
nanoc-3.6.7 lib/nanoc/filters/less.rb
nanoc-3.6.6 lib/nanoc/filters/less.rb
nanoc-3.6.5 lib/nanoc/filters/less.rb
nanoc-3.6.4 lib/nanoc/filters/less.rb
nanoc-3.6.3 lib/nanoc/filters/less.rb
nanoc-3.6.2 lib/nanoc/filters/less.rb
nanoc-3.6.1 lib/nanoc/filters/less.rb
nanoc-3.6.0 lib/nanoc/filters/less.rb