class Opal::REPL

def load_opal
  runner = @argv.reject { |i| i == '--repl' }
  runner += ['-e', 'require "opal/repl_js"']
  runner = [RbConfig.ruby, "#{__dir__}/../../exe/opal"] + runner
  @pipe = IO.popen(runner, 'r+',
    # What I try to achieve here: let the runner ignore
    # interrupts. Those should be handled by a supervisor.
    pgroup: true,
    new_pgroup: true,
  )
end