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Description
In @zod/mini, both extend and merge lose schema type information and resolve to a plain object, breaking inference.
import * as z from "@zod/mini";
const Test = z.object({
test: z.string(),
});
const Test2 = z.extend(Test, {
test2: z.string(),
});
type Test2 = z.infer<typeof Test2>;
const test2 = {} as Test2;
console.log(test2.test);
console.log(test2.test2);Errors:
Property 'test' does not exist on type 'object'.
Property 'test2' does not exist on type 'object'.
Workaround
Using .intersection() works but is not compatible with ZodMiniObject and introduces other type issues.
Expected
extend and merge should preserve the schema and allow proper type inference like in zod.
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