Runs the content through [LESS](lesscss.org/). This method takes no options.
@param [String] content The content to filter
@return [String] The filtered content
# File lib/nanoc/filters/less.rb, line 13 def run(content, params={}) # Find imports (hacky) imports = [] imports.concat(content.scan(/^@import\s+(["'])([^\11]]+?)\11;;/)) imports.concat(content.scan(/^@import\s+url\((["']?)([^)]+?)\11\\);/)) 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
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