Class: Nanoc3::Filters::Sass

Inherits:

Nanoc3::Filter

• Object
• Context
• Nanoc3::Filter
• Nanoc3::Filters::Sass

show all

Defined in:

lib/nanoc3/filters/sass.rb

Defined Under Namespace

Classes: SassFilesystemImporter

Constant Summary

Constants inherited from Nanoc3::Filter

TMP_BINARY_ITEMS_DIR

Class Attribute Summary (collapse)

• + (Object) current

  The current filter.

Attributes inherited from Nanoc3::Filter

assigns

Instance Method Summary (collapse)

• - (Object) depend_on(items)
• - (Object) imported_filename_to_item(filename)
• - (String) run(content, params = {})

  Runs the content through Sass.

Methods inherited from Nanoc3::Filter

#filename, from_binary?, #initialize, #output_filename, to_binary?, type

Methods included from PluginRegistry::PluginMethods

#identifier, #identifiers, #named, #register

Methods inherited from Context

#get_binding, #initialize

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# File 'lib/nanoc3/filters/sass.rb', line 12

def current
  @current
end

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# File 'lib/nanoc3/filters/sass.rb', line 66

def depend_on(items)
  # Notify
  items.each do |item|
    Nanoc3::NotificationCenter.post(:visit_started, item)
    Nanoc3::NotificationCenter.post(:visit_ended,   item)
  end

  # Raise unmet dependency error if necessary
  items.each do |item|
    rep = item.reps.find { |r| !r.compiled? }
    raise Nanoc3::Errors::UnmetDependency.new(rep) if rep
  end
end

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# File 'lib/nanoc3/filters/sass.rb', line 57

def imported_filename_to_item(filename)
  path = Pathname.new(filename).realpath
  @items.find do |i|
    next if i[:content_filename].nil?
    Pathname.new(i[:content_filename]).realpath == path
  end
end

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# File 'lib/nanoc3/filters/sass.rb', line 42

def run(content, params={})
  # Build options
  options = params.dup
  sass_filename = options[:filename] ||
    (@item && @item[:content_filename])
  options[:filename] ||= sass_filename
  options[:filesystem_importer] ||=
    Nanoc3::Filters::Sass::SassFilesystemImporter

  # Render
  engine = ::Sass::Engine.new(content, options)
  self.class.current = self
  engine.render
end