使用Yup和Formik进行条件验证

Question

这是我的验证架构：

const validationSchema = Yup.object().shape({
      person: Yup.object().shape({
        name: Yup.string().required('Field is required'),
        surname: Yup.string().required('Field is required'),
        middleName: Yup.string().required('Field is required'),
        email: Yup.string()
          .email('Wrong e-mail format')
          .required('Field is required')
      }),
      company: Yup.object().shape({
        name: Yup.string().required('Field is required'),
        address: Yup.string().required('Field is required'),
        email: Yup.string()
          .email('Wrong e-mail format')
          .required('Field is required')
      })
    });

React State中还有两个变量：isPerson和isCompany。如何有条件地进行验证工作，例如如果isPerson为真，那么person中的validationSchema是否需要验证？

Answer 1

您可以像任何其他对象一样有条件地添加到验证模式：

let validationShape = {
  company: Yup.object().shape({
    name: Yup.string().required('Field is required'),
    address: Yup.string().required('Field is required'),
    email: Yup.string()
      .email('Wrong e-mail format')
      .required('Field is required')
  })
};

if (this.state.isPerson) {
  validationShape.person = Yup.object().shape({
    name: Yup.string().required('Field is required'),
    surname: Yup.string().required('Field is required'),
    middleName: Yup.string().required('Field is required'),
    email: Yup.string()
      .email('Wrong e-mail format')
      .required('Field is required');
}

const validationSchema = Yup.object().shape(validationShape);

Answer 2

你可以使用Yup条件

const validationSchema = Yup.object().shape({

      isCompany: Yup.boolean(),
      companyName: Yup.object().when('isCompany', {
        is: true,
        then: Yup.string().required('Field is required'),
        otherwise: Yup.string()
      }),
      companyAddress: Yup.object().when('isCompany', {
        is: (companyValue) => true,//just an e.g. you can return a function
        then: Yup.string().required('Field is required'),
        otherwise: Yup.string()
      }),
    });

并确保相应地更新您的表单。我希望你明白这一点......