Z
Zod•3d ago
Josh

Josh - hey, why the heck is this invalid?ts ...

hey, why the heck is this invalid? 
        type ResponseSchema = (typeof API)[T]["responseSchema"];
        const responseSchema: ResponseSchema = API[methodName].responseSchema;

        const parseResult = responseSchema.safeParse(json);
        if (parseResult.success) {
            this.logger.debug(
                "Response for '%s' successfully parsed.",
                methodName,
                parseResult.data,
            );
            const data: z.infer<ResponseSchema> = parseResult.data;
            //    ^^^^ error TS2322: Type '{ ... }' is not assignable to type 'output<ResponseSchema>'
            return [true, data];
        }
        type ResponseSchema = (typeof API)[T]["responseSchema"];
        const responseSchema: ResponseSchema = API[methodName].responseSchema;

        const parseResult = responseSchema.safeParse(json);
        if (parseResult.success) {
            this.logger.debug(
                "Response for '%s' successfully parsed.",
                methodName,
                parseResult.data,
            );
            const data: z.infer<ResponseSchema> = parseResult.data;
            //    ^^^^ error TS2322: Type '{ ... }' is not assignable to type 'output<ResponseSchema>'
            return [true, data];
        }
1 Reply
Josh
JoshOP•3d ago
seems the same as this: https://github.com/colinhacks/zod/issues/5154
GitHub
Zod 4 regression: parsing with schema of indexed access type · Iss...
I’m using indexed access types to select between several Zod schemas of different output types depending on a key. Using TypeScript 5.9.2, this type checks successfully with Zod 3.25.76 but not wit...

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