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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
require "action_view/helpers"
module Sprockets
module Helpers
module RailsHelper
extend ActiveSupport::Concern
include ActionView::Helpers::AssetTagHelper
def asset_paths
@asset_paths ||= begin
config = self.config if respond_to?(:config)
controller = self.controller if respond_to?(:controller)
config ||= Rails.application.config
if config.action_controller.present?
config.action_controller.default_asset_host_protocol ||= :relative
else
config.default_asset_host_protocol ||= :relative
end
paths = RailsHelper::AssetPaths.new(config, controller)
paths.asset_environment = asset_environment
paths.asset_prefix = asset_prefix
paths
end
end
def javascript_include_tag(*sources)
options = sources.extract_options!
debug = options.key?(:debug) ? options.delete(:debug) : debug_assets?
body = options.key?(:body) ? options.delete(:body) : false
sources.collect do |source|
if debug && asset = asset_paths.asset_for(source, 'js')
asset.to_a.map { |dep|
javascript_include_tag(dep, :debug => false, :body => true)
}.join("\n").html_safe
else
tag_options = {
'type' => "text/javascript",
'src' => asset_path(source, 'js', body)
}.merge(options.stringify_keys)
content_tag 'script', "", tag_options
end
end.join("\n").html_safe
end
def stylesheet_link_tag(*sources)
options = sources.extract_options!
debug = options.key?(:debug) ? options.delete(:debug) : debug_assets?
body = options.key?(:body) ? options.delete(:body) : false
sources.collect do |source|
if debug && asset = asset_paths.asset_for(source, 'css')
asset.to_a.map { |dep|
stylesheet_link_tag(dep, :debug => false, :body => true)
}.join("\n").html_safe
else
tag_options = {
'rel' => "stylesheet",
'type' => "text/css",
'media' => "screen",
'href' => asset_path(source, 'css', body, :request)
}.merge(options.stringify_keys)
tag 'link', tag_options
end
end.join("\n").html_safe
end
def asset_path(source, default_ext = nil, body = false, protocol = nil)
source = source.logical_path if source.respond_to?(:logical_path)
path = asset_paths.compute_public_path(source, 'assets', default_ext, true, protocol)
body ? "#{path}?body=1" : path
end
private
def debug_assets?
params[:debug_assets] == '1' ||
params[:debug_assets] == 'true'
end
def asset_prefix
Rails.application.config.assets.prefix
end
def asset_environment
Rails.application.assets
end
class AssetPaths < ::ActionView::AssetPaths #:nodoc:
attr_accessor :asset_environment, :asset_prefix
def compute_public_path(source, dir, ext=nil, include_host=true, protocol=nil)
super(source, asset_prefix, ext, include_host, protocol)
end
# Return the filesystem path for the source
def compute_source_path(source, ext)
asset_for(source, ext)
end
def asset_for(source, ext)
source = source.to_s
return nil if is_uri?(source)
source = rewrite_extension(source, nil, ext)
asset_environment[source]
end
def rewrite_asset_path(source, dir)
if source[0] == ?/
source
else
asset_environment.path(source, performing_caching?, dir)
end
end
def rewrite_extension(source, dir, ext)
if ext && File.extname(source).empty?
"#{source}.#{ext}"
else
source
end
end
# When included in Sprockets::Context, we need to ask the top-level config as the controller is not available
def performing_caching?
config.action_controller.present? ? config.action_controller.perform_caching : config.perform_caching
end
end
end
end
end
|