module SewingKit
  module Webpack
    class Compiler
      def compile
        result = Kernel.system(
          { 'NODE_ENV' => node_env },
          *command,
          chdir: Rails.root.to_s,
          out: $stdout,
          err: $stderr,
        )

        if !result
          puts "sewing-kit compile failed with error code #{$?}"
          exit(1)
        end
        result
      end

      private

      def command
        [
          'node_modules/.bin/sewing-kit',
          'build',
          '--mode',
          node_env,
        ].reject(&:empty?)
      end

      private
      def node_env
        env = ENV['NODE_ENV'] || Rails.env.to_s
        env = 'development' if env == 'test'
        env
      end
    end
  end
end