Class: WebResourceBundler::Filters::BundleFilter::ResourcePackager

Inherits:
Object
  • Object
show all
Defined in:
lib/web_resource_bundler/filters/bundle_filter/resource_packager.rb

Constant Summary collapse

IMPORT_PTR = 
/\@import ['|"](.*?)['|"];/

Instance Method Summary collapse

Constructor Details

#initialize(settings, file_manager) ⇒ ResourcePackager

Returns a new instance of ResourcePackager.



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# File 'lib/web_resource_bundler/filters/bundle_filter/resource_packager.rb', line 5

def initialize(settings, file_manager)
  @settings = settings
  @file_manager = file_manager 
end

Instance Method Details

#bundle_files(files) ⇒ Object

recursively iterates through all files and imported files



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# File 'lib/web_resource_bundler/filters/bundle_filter/resource_packager.rb', line 11

def bundle_files(files)
  output = ""
  files.select{|f| not f.content.empty? }.each do |file|
    path = file.path
    content = file.content
    output << "/* --------- #{path} --------- */\n"
    if file.types.first[:ext] == 'css'
      imported_files = extract_imported_files!(content, path)
      #getting imported (@import ...) files contents
      imported_resource_files = [] 
      imported_files.each do |imported_file|
        imported_resource_files << WebResourceBundler::ResourceFile.new_css_file(imported_file, @file_manager.get_content(imported_file))
      end
      #bundling imported files
      output << bundle_files(imported_resource_files) unless imported_resource_files.empty?
    end
    #adding ';' symbol in case javascript developer forget to do this
    content << ';' if File.extname(path) == '.js'
    output << content
    output << "\n/* --------- END #{path} --------- */\n"
  end
  output
end

#extract_imported_files!(content, base_file_path) ⇒ Object

finds all imported files in css



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# File 'lib/web_resource_bundler/filters/bundle_filter/resource_packager.rb', line 36

def extract_imported_files!(content, base_file_path)
  imported_files = []
  content.gsub!(IMPORT_PTR) do |result|
    imported_file = IMPORT_PTR.match(result)[1]
    if imported_file
      imported_files << File.join(File.dirname(base_file_path), imported_file)
    end
    result = ""
  end
  return imported_files
end