namespace :webpacker do
  desc "Support for older Rails versions. Install all JavaScript dependencies as specified via Yarn"
  task :yarn_install do
    valid_node_envs = %w[test development production]
    node_env = ENV.fetch("NODE_ENV") do
      valid_node_envs.include?(Rails.env) ? Rails.env : "production"
    end
    yarn_flags =
      if `yarn --version`.start_with?("1")
        "--no-progress --frozen-lockfile"
      else
        "--immutable"
      end
    system({ "NODE_ENV" => node_env }, "yarn install #{yarn_flags}")
  end
end