Add other validators to Server Actions

[huseeiin]

Body

Summary

You should add support for other validators like zod, yup, joi and especially typebox (which is what i want to use) and in addition, a custom function-based validator would be cool i.e. something like that:

const myAction = {
    input: (formData: Record<string, FormDataEntryValue>) => {
        if (!formData.email) return { error: "..." };

        return formData;
    },
};

Background & Motivation

Not everyone uses zod. Plus its extremely slow compared to other competitors.

Goals

Being able to choose the library you're most familiar with

Example

z.object would be converted to T.object for typebox and so on for other validators
And please compile Typebox instead of using Check

[awhitford]

I'm keen to use Valibot. There is a standard-schema approach that could be leveraged.

[florian-lefebvre]

Standard Schema is too early atm I think, but I can't wait to see it be adopted before looking into using it in astro!

[florian-lefebvre]

I think you need to use z.custom for now, there are no near plans to support various validation libraries