Class: Asset::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/assets/util.rb

Class Method Summary collapse

Class Method Details

.asset_path(path) ⇒ Object

Asset path



10
11
12
 
# File 'lib/assets/util.rb', line 10

def self.asset_path(path)
  File.join(::Asset.path, path)
end

.digest(path, time = mtime(path)) ⇒ Object

Digest



15
16
17
 
# File 'lib/assets/util.rb', line 15

def self.digest(path, time = mtime(path))
  Digest::MD5.hexdigest(%{#{path}#{time.to_i}})
end

.load_images ⇒ Object

Load images into memory



55
56
57
58
59
60
61
 
# File 'lib/assets/util.rb', line 55

def self.load_images
  # Store the path and the timestamp
  images = Dir["#{::Asset.path}/images/**/*"].select{|f| File.file?(f)}.map do |i|
    i =~ /\/images\/(.+)/; [$1, mtime("images/#{$1}").to_i]
  end
  Hash[*images.flatten]
end

.load_manifest ⇒ Object

Load manifest



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
 
# File 'lib/assets/util.rb', line 20

def self.load_manifest
  list = YAML.load_file(File.join(::Asset.path, 'manifest.yml'))
  manifest = []

  list.each do |type, files|
    max = Time.new(0).utc
    files.each do |name|

      # Depending on the options, the name can be a string or a Hash
      h = name.is_a?(Hash)

      # Path looks like app.js or similar
      path = h ? name.keys[0] : name

      # Get the modified time of the asset
      modified = mtime("#{type}/#{path}")

      # Record max to know the latest change
      max = modified if modified > max

      # Loading manifest with items
      manifest << ::Asset::Item.new(
        path, type, digest(path, modified), modified,
        (h ? name['compress'] : true), (h ? name['bundle'] : true))
    end

    # Insert the bundle
    manifest.insert(0, ::Asset::Item.new(
      "bundle.#{type}", type,
      digest("bundle.#{type}", max), max))
  end
  manifest
end

.mtime(path) ⇒ Object

Get timestamp



5
6
7
 
# File 'lib/assets/util.rb', line 5

def self.mtime(path)
  File.mtime(asset_path(path)).utc
end