Class: Stylist::Processors::LessProcessor

Inherits:
Processor
  • Object
show all
Defined in:
lib/stylist/processors/less_processor.rb

Class Method Summary collapse

Methods inherited from Processor

configuration, expand_stylesheet_sources

Class Method Details

.configure ⇒ Object 



7
8
9
 
# File 'lib/stylist/processors/less_processor.rb', line 7

def configure
  configuration.add_option_group :less, { :source_path => ::Rails.root.join('app/stylesheets'), :compress => true }
end

.process!(collection) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
 
# File 'lib/stylist/processors/less_processor.rb', line 11

def process!(collection)
  stylesheets_to_process(collection).each do |stylesheet|
    source_path = source_path_for(stylesheet)
    
    if source_path && source_path.exist?
      engine = File.open(source_path) {|f| ::Less::Engine.new(f) }
      css = engine.to_css
      css.delete!("\n") if configuration.less.compress
      File.open(stylesheet, "w") { |f| f.puts css }
    end
  end
end

.source_has_been_changed?(file) ⇒ Boolean

Returns:

  • (Boolean) 


34
35
36
37
 
# File 'lib/stylist/processors/less_processor.rb', line 34

def source_has_been_changed?(file)
  source_path = source_path_for(file)
  source_path && (File.new(source_path).mtime >= File.new(file).mtime)
end

.source_path_for(file) ⇒ Object 



24
25
26
 
# File 'lib/stylist/processors/less_processor.rb', line 24

def source_path_for(file)
  Pathname.glob(File.join(configuration.less.source_path, File.basename(file, '.css')+'.{css,less,lss}'))[0]
end

.stylesheets_to_process(collection) ⇒ Object 



28
29
30
31
32
 
# File 'lib/stylist/processors/less_processor.rb', line 28

def stylesheets_to_process(collection)
  expand_stylesheet_sources(collection.values.flatten).select do |file|
    (File.exists?(file) and source_has_been_changed?(file)) or not File.exists?(file)
  end
end