class Liquid::PartialCache

def self.load(template_name, context:, parse_context:)
  cached_partials = context.registers[:cached_partials]
  cache_key = "#{template_name}:#{parse_context.error_mode}"
  cached = cached_partials[cache_key]
  return cached if cached
  file_system = context.registers[:file_system]
  source      = file_system.read_template_file(template_name)
  parse_context.partial = true
  template_factory = context.registers[:template_factory]
  template = template_factory.for(template_name)
  begin
    partial = template.parse(source, parse_context)
  rescue Liquid::Error => e
    e.template_name = template&.name || template_name
    raise e
  end
  partial.name ||= template_name
  cached_partials[cache_key] = partial
ensure
  parse_context.partial = false
end