Constructeur AggregateError()

new AggregateError(erreurs);
new AggregateError(erreurs, message);

try {
  throw new AggregateError([new Error("une erreur")], "Coucou");
} catch (e) {
  console.log(e instanceof AggregateError); // true
  console.log(e.message); // "Coucou"
  console.log(e.name); // "AggregateError"
  console.log(e.errors); // [ Error: "une erreur" ]
}