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|
# frozen_string_literal: true
# = Sass / Scss
#
# Sass/Scss template implementation for generating CSS.
#
# Sass templates do not support object scopes, locals, or yield.
#
# === See also
#
# * https://sass-lang.com/
#
# === Related modules
#
# * Tilt::SassTemplate
# * Tilt::ScssTemplate
require_relative 'template'
module Tilt
class SassTemplate < StaticTemplate
self.default_mime_type = 'text/css'
begin
require 'sass-embedded'
# :nocov:
require 'uri'
ALLOWED_KEYS = (defined?(::Sass::Compiler) ? ::Sass::Compiler : ::Sass::Embedded).
instance_method(:compile_string).
parameters.
map{|k, v| v if k == :key}.
compact rescue nil
private_constant :ALLOWED_KEYS
private
def _prepare_output
::Sass.compile_string(@data, **sass_options).css
end
def sass_options
path = File.absolute_path(eval_file)
path = '/' + path unless path.start_with?('/')
opts = @options.dup
opts[:url] = ::URI::File.build([nil, ::URI::DEFAULT_PARSER.escape(path)]).to_s
opts[:syntax] = :indented
opts.delete_if{|k| !ALLOWED_KEYS.include?(k)} if ALLOWED_KEYS
opts
end
rescue LoadError => err
begin
require 'sassc'
Engine = ::SassC::Engine
rescue LoadError
begin
require 'sass'
Engine = ::Sass::Engine
rescue LoadError
raise err
end
end
private
def _prepare_output
Engine.new(@data, sass_options).render
end
def sass_options
@options[:filename] = eval_file
@options[:line] = @line
@options[:syntax] = :sass
@options
end
# :nocov:
end
end
class ScssTemplate < SassTemplate
self.default_mime_type = 'text/css'
private
def sass_options
opts = super
opts[:syntax] = :scss
opts
end
end
end
|
