1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
# frozen_string_literal: true
require 'sprockets/autoload'
require 'sprockets/digest_utils'
require 'sprockets/source_map_utils'
module Sprockets
# Public: Sass CSS minifier.
#
# To accept the default options
#
# environment.register_bundle_processor 'text/css',
# Sprockets::SassCompressor
#
# Or to pass options to the Sass::Engine class.
#
# environment.register_bundle_processor 'text/css',
# Sprockets::SassCompressor.new({ ... })
#
class SassCompressor
VERSION = '1'
# Public: Return singleton instance with default options.
#
# Returns SassCompressor object.
def self.instance
@instance ||= new
end
def self.call(input)
instance.call(input)
end
def self.cache_key
instance.cache_key
end
attr_reader :cache_key
def initialize(options = {})
@options = {
syntax: :scss,
cache: false,
read_cache: false,
style: :compressed
}.merge(options).freeze
@cache_key = "#{self.class.name}:#{Autoload::Sass::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
end
def call(input)
css, map = Autoload::Sass::Engine.new(
input[:data],
@options.merge(filename: input[:filename])
).render_with_sourcemap('')
css = css.sub("/*# sourceMappingURL= */\n", '')
map = SourceMapUtils.format_source_map(JSON.parse(map.to_json(css_uri: '')), input)
map = SourceMapUtils.combine_source_maps(input[:metadata][:map], map)
{ data: css, map: map }
end
end
end
|
