go-helpers VS myzod

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The "IsInteger" validator can of course be interpreted as a type, the important thing is though that it can be customized using type parameters and that we can add any number of additional validators that do advanced things (e.g. we could define an "IsPrime" validator that checks for primality of the number).

I find this more elegant than having both a "type" field and various extensions for validations that you need to remember. The validator list mechanism also makes it easy to chain validations and perform sub-validations for lists or maps. I have an open-source implementation of this written in Golang [1] that I use in all my projects. It enables me to write a form specification and a Go struct and validate as well as coerce unstructured data into the struct. It makes it very easy to validate complex, hierarchical documents like configuration files as well, is easy to extend and provides nice errors.

1: https://github.com/kiprotect/go-helpers/tree/master/forms

if you only need to validate JSON type objects (I.e no functions, classes, instanceof) I like myzod https://github.com/davidmdm/myzod

zod Or alternatively myzod

I use myzod (https://github.com/davidmdm/myzod) but assuming it’s similar, you write your models / interfaces with the tool, and it produces both your models/interface types AND a runtime validation function for them. So, if you want to adopt, you will need to convert your existing interfaces, but imho it’s quite worthwhile for many use cases.

If you like zod, you should check out myzod: https://github.com/davidmdm/myzod