Module: Middleman::CoreExtensions::FrontMatter

Defined in:
lib/middleman-core/core_extensions/front_matter.rb

Overview

Frontmatter namespace

Defined Under Namespace

Modules: InstanceMethods, ResourceInstanceMethods Classes: FrontmatterManager

Class Method Summary collapse

Class Method Details

.registered(app) ⇒ Object Also known as: included

Once registered



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# File 'lib/middleman-core/core_extensions/front_matter.rb', line 13

def registered(app)
  # Parsing YAML frontmatter
  require "yaml"

  # Parsing JSON frontmatter
  require "active_support/json"

  app.send :include, InstanceMethods

  app.before_configuration do
    files.changed { |file| frontmatter_manager.clear_data(file) }
    files.deleted { |file| frontmatter_manager.clear_data(file) }
  end

  app.after_configuration do
    ::Middleman::Sitemap::Resource.send :include, ResourceInstanceMethods

    sitemap.register_resource_list_manipulator(
      :frontmatter,
      frontmatter_manager
    )

    sitemap.provides_metadata do |path|
      fmdata = frontmatter_manager.data(path).first || {}

      data = {}
      %w(layout layout_engine).each do |opt|
        data[opt.to_sym] = fmdata[opt] unless fmdata[opt].nil?
      end

      { :options => data, :page => fmdata }
    end
  end
end