Contents

require 'jbuilder'

dependency_tracker = false

begin
  require 'action_view'
  require 'action_view/dependency_tracker'
  dependency_tracker = ::ActionView::DependencyTracker
rescue LoadError
  begin
    require 'cache_digests'
    dependency_tracker = ::CacheDigests::DependencyTracker
  rescue LoadError
  end
end

if dependency_tracker
  dependency_tracking_module = Module.new do
    # Matches:
    #   json.partial! "messages/message"
    #   json.partial!('messages/message')
    #
    DIRECT_RENDERS = /
      \w+\.partial!     # json.partial!
      \(?\s*            # optional parenthesis
      (['"])([^""]+)\1  # quoted value
    /x

    # Matches:
    #   json.partial! partial: "comments/comment"
    #   json.comments @post.comments, partial: "comments/comment", as: :comment
    #   json.array! @posts, partial: "posts/post", as: :post
    #   = render partial: "account"
    #
    INDIRECT_RENDERS = /
      (?::partial\s*=>|partial:)  # partial: or :partial =>
      \s*                         # optional whitespace
      (['"])([^'"]+)\1            # quoted value
    /x

    def dependencies
      direct_dependencies + indirect_dependencies + explicit_dependencies
    end

    private

    def direct_dependencies
      source.scan(DIRECT_RENDERS).map(&:second)
    end

    def indirect_dependencies
      source.scan(INDIRECT_RENDERS).map(&:second)
    end
  end

  ::Jbuilder::DependencyTracker = Class.new(dependency_tracker::ERBTracker)
  ::Jbuilder::DependencyTracker.send :include, dependency_tracking_module
  dependency_tracker.register_tracker :jbuilder, ::Jbuilder::DependencyTracker
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
jbuilder-2.0.1	lib/jbuilder/dependency_tracker.rb