Function isWarned

test/parallel/test-readline-promises-interface.js:25–31

(emitter)

}

function isWarned(emitter) {
  for (const name in emitter) {
    const listeners = emitter[name];
    if (listeners?.warned) return true;
  }
  return false;
}

function getInterface(options) {
  const fi = new FakeInput();