feat: adopt standard schema spec and support different validators

[farnabaz]

🔗 Linked issue

#3482: Credits for Zod v4 to JSON Schema implantation to @MuntasirSZN
resolves#3462

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Nuxt Content does not depend purely on Zod v3, and users will be able to use Zod v4 or their favorite validators. For now, the module supports Zod 3, Zod 4, and Valibot as a starting point, with support for additional validators planned in the future.

These changes are seamless for current users, and you should not face any breaking changes with this update.

Zod v4

import{defineContentConfig,defineCollection,property}from'@nuxt/content'import{z}from'zod/v4'constpages=defineCollection({type: 'page',source: 'blog/*.md',schema: z.object({image: z.object({src: property(z.string()).editor({input: 'media'}),alt: z.string(),})}),})

Valibot

import{defineContentConfig,defineCollection,property}from'@nuxt/content'import*asvfrom'valibot'constpages=defineCollection({type: 'page',source: 'blog/*.md',schema: v.object({image: v.object({src: property(v.string()).editor({input: 'media'}),alt: v.string(),})}),})

Syntax

To support multiple validators and remove unused dependencies, it is recommended to use the new syntax for importing Zod and setting editor({}) options. These are only suggestions for now, but in future patch releases they will be marked as deprecated and later removed in the next major version.

• import { z } from '@nuxt/content' will be deprecated in favor of direct imports such as:

  import{z}from'zod/v3'

- import { defineContentConfig, defineCollection, z } from '@nuxt/content'+ import { defineContentConfig, defineCollection } from '@nuxt/content'+ import { z } from 'zod/v3'
export default defineContentConfig({
collections: {
posts: defineCollection({
type: 'page',
source: 'blog/*.md',
schema: z.object({
category: z.enum(['studio', 'content']).optional(),
date: z.date()
}),
}),
},
})

• z.string().editor({ input: 'media' }) will be deprecated in favor of the new syntax:

  property(z.string()).editor({input: 'media'})

- import { defineContentConfig, defineCollection, z } from '@nuxt/content'+ import { defineContentConfig, defineCollection, property } from '@nuxt/content'+ import { z } from 'zod/v3'
export default defineContentConfig({
collections: {
posts: defineCollection({
type: 'page',
source: 'blog/*.md',
schema: z.object({
image: z.object({
- src: z.string().editor({ input: 'media' }),+ src: property(z.string()).editor({ input: 'media' }),
alt: z.string(),
})
}),
}),
},
})

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[pkg-pr-new]

npm i https://pkg.pr.new/@nuxt/content@3524

commit: 3b45047

[miguelrk]

This is awesome. I just tested this via pkg.pr.new and can confirm it resolves #3462. Can we get this reviews/merged? 🙏🏼

[MuntasirSZN]

@farnabaz what would the validators @nuxt/content would support? Arktype, typebox, typia?

[farnabaz]

@farnabaz what would the validators @nuxt/content would support? Arktype, typebox, typia?

Module can support any validator which satisfy Standard Schema and can convert to JSON Schema.

My concern is mostly about the removing the bound between Nuxt Content and one specific validator. With help of community we can integrate other validators if needed.