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Size: 1.61 KB
Versions: 8
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Stored size: 1.61 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