module Lookbook::PreviewController

def render_example_to_string(preview, example_name)
  prepend_application_view_paths
  prepend_preview_examples_view_path
  @preview = preview
  @example_name = example_name
  @render_args = @preview.render_args(@example_name, params: params.permit!)
  template = @render_args[:template]
  locals = @render_args[:locals]
  opts = {}
  opts[:layout] = nil
  opts[:locals] = locals if locals.present?
  render_to_string template, opts
end

def render_in_layout_to_string(template, locals, layout = nil)
  append_view_path Lookbook::Engine.root.join("app/views")
  render_to_string template, locals: locals, **determine_layout(@preview.lookbook_layout)
end