instance method update

# File lib/importmap/commands.rb, line 91
  def update
    if (outdated_packages = npm.outdated_packages).any?
      package_names = outdated_packages.map(&:name)
      packages_with_options = packager.extract_existing_pin_options(package_names)

      for_each_import(package_names, env: "production", from: "jspm") do |package, url|
        options = packages_with_options[package] || {}

        pin_package(package, url, options[:preload])
      end
    else
      puts "No outdated packages found"
    end
  end