Class: Antoinette::LayoutResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/antoinette/services/layout_resolver.rb

Instance Method Summary collapse

Constructor Details

#initialize(layout_dirs: ["app/views/layouts"], default_layout: "application") ⇒ LayoutResolver

Returns a new instance of LayoutResolver.



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# File 'lib/antoinette/services/layout_resolver.rb', line 7

def initialize(layout_dirs: ["app/views/layouts"], default_layout: "application")
  @layout_dirs = layout_dirs
  @default_layout = default_layout
end

Instance Method Details

#apps_for(template_path) ⇒ Object 



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# File 'lib/antoinette/services/layout_resolver.rb', line 42

def apps_for(template_path)
  layout = layout_for(template_path)
  layout_apps_map[layout] || []
end

#layout_apps_map ⇒ Object 



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# File 'lib/antoinette/services/layout_resolver.rb', line 12

def layout_apps_map
  @layout_apps_map ||= @layout_dirs.each_with_object({}) do |dir, result|
    Dir.glob(Rails.root.join(dir, "*.html.erb")).each do |file_path|
      content = File.read(file_path)
      apps = content.scan(/Elm\.(\w+)\.init/).flatten.uniq
      name = File.basename(file_path, ".html.erb")
      result[name] = ((result[name] || []) + apps).uniq
    end
  end
end

#layout_for(template_path) ⇒ Object 



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# File 'lib/antoinette/services/layout_resolver.rb', line 23

def layout_for(template_path)
  full_path = if Pathname.new(template_path).absolute?
    template_path
  else
    Rails.root.join(template_path).to_s
  end

  return @default_layout unless File.exist?(full_path)

  content = File.read(full_path)
  return @default_layout unless content.start_with?("---")

  frontmatter = content.match(/\A---\s*\n(.*?\n)---/m)
  return @default_layout unless frontmatter

  yaml = YAML.safe_load(frontmatter[1])
  yaml&.fetch("layout", @default_layout) || @default_layout
end