const  Validacao =() => {
     const {getFieldProps, handleSubmit, isValid} = useFormik({
        initialValues: {
            name:'',
            contact:{
            email:'',
            phone:''
        }
       },
       validate: values => {
        const err ={}
        const message= ' campo obrigatorio'
        if(!values.name) err.name = message
        if(!values.contact.email) err.email = message
        return err
    },
    onSubmit: (values, bag) => {
    console.log(values)
  }
})
const [name, metadataName] = getFieldProps('name','text')
const [email, metadataEmail] = getFieldProps('contact.email', 'text')
const [phone, metadataPhone] = getFieldProps('contact.phone', 'text')

1. Add tsconfig.json file to project
2. Integrate with a build tool
3. Change all .js files to .ts files
4. Check for any errors