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StefanTerdell / json-schema-to-zod

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Generated Zod throws a TypeScript error #92

Closed davidbarratt closed 3 months ago

davidbarratt commented 4 months ago

In the latest versions of Zod (3.23.8) and TypeScript (5.4.5) this generated code: https://github.com/StefanTerdell/json-schema-to-zod/blob/969a0b912f56601e69cebcb2e0b212275be0d191/src/parsers/parseOneOf.ts#L23-L29 throw this TypeScript error:

error TS2769: No overload matches this call.
  Overload 1 of 3, '(callbackfn: (previousValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">, currentValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<...>, currentIndex: number, array: (ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>)[]) => ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>, initialValue: ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>): ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>', gave the following error.
    Argument of type '(errors: ZodError<any>[], schema: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">) => (ZodError<any> | undefined)[]' is not assignable to parameter of type '(previousValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">, currentValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<...>, currentIndex: number, array: (ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>)[]) => ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>'.
      Types of parameters 'errors' and 'previousValue' are incompatible.
        Type 'ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">' is not assignable to type 'ZodError<any>[]'.
          Type 'ZodLiteral<"once">' is missing the following properties from type 'ZodError<any>[]': length, pop, push, concat, and 35 more.
  Overload 2 of 3, '(callbackfn: (previousValue: ZodError<any>[], currentValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">, currentIndex: number, array: (ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>)[]) => ZodError<...>[], initialValue: ZodError<...>[]): ZodError<...>[]', gave the following error.
    Argument of type '(errors: ZodError<any>[], schema: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">) => (ZodError<any> | undefined)[]' is not assignable to parameter of type '(previousValue: ZodError<any>[], currentValue: ZodLiteral<"once"> | ZodLiteral<"repeating"> | ZodLiteral<"forever">, currentIndex: number, array: (ZodLiteral<...> | ... 1 more ... | ZodLiteral<...>)[]) => ZodError<...>[]'.
      Type '(ZodError<any> | undefined)[]' is not assignable to type 'ZodError<any>[]'.
        Type 'ZodError<any> | undefined' is not assignable to type 'ZodError<any>'.
          Type 'undefined' is not assignable to type 'ZodError<any>'.

2802                     (errors: z.ZodError[], schema) =>
                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2803                       ((result) =>
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 ... 
2805                         schema.safeParse(x),
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2806                       ),
     ~~~~~~~~~~~~~~~~~~~~~~~