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Fix type inference in ZodMiniType check method#4568

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colinhacks merged 2 commits intocolinhacks:mainfrom
rphlmr:fix/4326-v4-mini-object-check-value
May 30, 2025
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Fix type inference in ZodMiniType check method#4568
colinhacks merged 2 commits intocolinhacks:mainfrom
rphlmr:fix/4326-v4-mini-object-check-value

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@rphlmr rphlmr commented May 30, 2025

Closes: #4326

.check() on a z.object now correctly infers value.

Before:

const Thing = z.object({
  name: z.string(),
  age: z.number()
}).check(({ value, issues }) => {
  value // => any
});

After:

const Thing = z.object({
  name: z.string(),
  age: z.number()
}).check(({ value, issues }) => {
  value // => { name: string; age: number }
});

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colinhacks commented May 30, 2025

Nice catch, thanks!!

@colinhacks colinhacks merged commit 508e306 into colinhacks:main May 30, 2025
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colinhacks added a commit that referenced this pull request May 31, 2025
@rphlmr @colinhacks
Fix type inference in ZodMiniType check method (#4568)
289cba3 
* Fix type inference in ZodMiniType check method and add tests for z.object().check()

* Fix more references to _zod.output

---------

Co-authored-by: Colin McDonnell <[email protected]>
timorthi pushed a commit to timorthi/zod that referenced this pull request Jun 3, 2025
@rphlmr @colinhacks @timorthi
Fix type inference in ZodMiniType check method (colinhacks#4568)
4d657c9 
* Fix type inference in ZodMiniType check method and add tests for z.object().check()

* Fix more references to _zod.output

---------

Co-authored-by: Colin McDonnell <[email protected]>
timorthi pushed a commit to timorthi/zod that referenced this pull request Jun 3, 2025
@rphlmr @colinhacks @timorthi
Fix type inference in ZodMiniType check method (colinhacks#4568)
8b6993f 
* Fix type inference in ZodMiniType check method and add tests for z.object().check()

* Fix more references to _zod.output

---------

Co-authored-by: Colin McDonnell <[email protected]>
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v4: z.object().check() types the value property as any

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@rphlmr @colinhacks