class Opal::Nodes::IfNode

def compile_with_if
  truthy = self.truthy
  falsy = self.falsy
  if falsy && !truthy
    # Let's optimize a little bit `unless` calls.
    push 'if (!', js_truthy(test), ') {'
    falsy, truthy = truthy, falsy
  else
    push 'if (', js_truthy(test), ') {'
  end
  # skip if-body if no truthy sexp
  indent { line stmt(truthy) } if truthy
  if falsy
    if falsy.type == :if
      line '} else ', stmt(falsy)
    else
      line '} else {'
      indent do
        line stmt(falsy)
      end
      line '}'
    end
  else
    line '}'
    # This resolution isn't finite. Let's ensure this block
    # always return something if we expect a return
    line 'return nil;' if expects_expression?
  end
  if expects_expression?
    if scope.await_encountered
      wrap '(await (async function() {', '})())'
    else
      wrap '(function() {', '})()'
    end
  end
end