module Capybara::Helpers

def inject_asset_host(html, host: Capybara.asset_host)

Returns:

(String) - The modified HTML code

Parameters:

host (URL) -- (Capybara.asset_host) The host from which assets should be loaded
html (String) -- HTML code to inject into

def inject_asset_host(html, host: Capybara.asset_host)
  if host && Nokogiri::HTML(html).css("base").empty?
    match = html.match(/<head[^<]*?>/)
    return html.clone.insert match.end(0), "<base href='#{host}' />" if match
  end
  html
end

Instance Methods