Yup https://til.hashrocket.com/?_utf8=%E2%9C%93&q=yup

eitherOr.js

  validationSchema: yup.object().shape({
    firstName: yup.string().required(validationMessages.firstName),
    lastName: yup.string().required(validationMessages.lastName),
    emailAddress: yup
      .string()
      .email(validationMessages.email)
      .test('eitherOr', validationMessages.eitherEmail, function(emailAddress) {
        // tslint:disable-next-line:no-invalid-this
        return Boolean(emailAddress) || Boolean(this.parent.pin);
      }),
    pin: yup
      .string()
      .min(6, validationMessages.pinMaxMinDigits)
      .max(6, validationMessages.pinMaxMinDigits)
      .test('eitherOr', validationMessages.eitherPin, function(pin) {
        // tslint:disable-next-line:no-invalid-this
        return Boolean(pin) || Boolean(this.parent.emailAddress);
      }),
    roles: yup.array().of(
      yup.object().shape({
        label: yup.string().required(),
        value: yup.string().required(),
      })
    ),
  }),

match.js

Yup.match = function (key, message, func) {
  message = message || 'Values do not match';
  func = func || function (value) {
    return value === this.options.context[key];
  }

  return Yup.mixed().test('match', message, func);
};

var schema = { 
  email: Yup.string().email(),
  confirmEmail: Yup.match('email', 'Emails do not match')
}

passwordConfirmation.js

import * as Yup from 'yup';

validationSchema: Yup.object({
  password: Yup.string().required('Password is required'),
  passwordConfirmation: Yup.string()
     .oneOf([Yup.ref('password'), null], 'Passwords must match')
});