问react-hook-form:验证对象如何工作

EN

function App() {
  const {
    register,
    handleSubmit,
    formState: { errors }
  } = useForm();

  const onSubmit = (data) => {
    console.log(data);
  };

  return (
    <form onSubmit={handleSubmit(onSubmit)}>
      <label htmlFor="test1">Test Field</label>
      <input
        {...register("test1", {
          validate: {
            positive: (v) => parseInt(v) > 0 || "Number is not positive",
            lessThanTen: (v) => parseInt(v) < 10 || "Number less than 10",
            checkUrl: async () => {
              const result = await Promise.resolve(true);

              return result || "result was false so show this message";
            }
          }
        })}
      />
      {errors.test1 && <p>{errors.test1.message}</p>}

      <input type="submit" />
    </form>
  );
}