Totally agree with @João Cunha's answer. Just a supplement for the use case of Radio button. When we use radio button as condition, we can check value of string instead of boolean. e.g. is: 'Phone'

Yup and its more common variant Yep are informal ways of saying Yes. The only difference is one of formality. Use Yup only in informal (casual) settings; not, say, in a business meeting.

2016年12月10日 · Yes is the same word as yea which is the same in germanic. It's a very old word. Being one of the most used words in the English language, yea probably was said as yep and yup in many colloquial settings, workshops, pubs many times before it was recorded in writing. yup is a fairly low energy way of say the word, which is probably easier to pronounce than yea, so laborers saying yea would have ...

2022年11月3日 · According to yup manuals, is conditions are strictly compared (===) if you want to use a different form of equality you can provide a function like: is: (value) => value === true. I'm not absolutely sure about this code - I used yup rather long time ago.

2020年12月26日 · Most answers I have seen customize yup validation messages when defining a schema, e.g. const personSchema = yup.object().shape({ firstName: yup.string().required('First name is a required field'), lastName: yup.string().required('Last name is a required field'), }); But what if I want to customize the default validation message itself?

2019年1月8日 · To improve the performance of Alex's answer, use something like this to pre-calculate the lookup (using lodash).

2022年5月26日 · I'm using react-hook-form with yup for my form validation and want some fields to be optional (null). Following their documentation, I'm using nullable() and optional() but it is still getting vali...

2018年9月24日 · Here is how I combined yup with other 3rd phone validation libraries ("awesome-phonenumber" in my case): import { parsePhoneNumber } from "awesome-phonenumber ...

2020年5月24日 · Most Yup examples use the shape method, but I find the documentation a little hard to understand why this is the case, and exactly what the method does. Can someone please explain the difference b...

@Tamlyn's answer covers the length validation aspect of the question quite well.. In the case of a zip code, you could use a regex to enforce the length and limit to numeral values within the Yup.string() (you wouldn't want to use a Yup.number() type as it wouldn't support zip codes starting with a zero 0####)