Extract h1 headings from ActionText content

Created by: equivalent

Summary

similar way how it's possible to extract ActionText Content links:

class Post < ApplicationRecord
  has_rich_text :content
end

 Post.last.content.body.links
# => ["http://localhost:3000/whatever"] 

... it would be awesome if we could extract h1 headings:

Post.last.content.body.headings
# => ["Hello Rails"] 

My use-case is that I want to extract title for post from the wysiwyg content

class Post < ApplicationRecord
  has_rich_text :content

  def title
    content.body.headings.first
  end
end