Whimsy - is there any function or way to make s...

export function deepPartialify(schema: z.ZodTypeAny): z.ZodTypeAny {
    if (schema instanceof ZodObject) {
        const newShape: z.ZodRawShape = {};

        for (const key in schema.shape) {
            const fieldSchema = schema.shape[key];
            newShape[key] = ZodOptional.create(deepPartialify(fieldSchema)) as typeof newShape[keyof typeof newShape];
        }

        return new ZodObject({ ...schema._def, shape: () => newShape });
    } else if (schema instanceof ZodArray) {
        return new ZodArray({ ...schema._def, type: deepPartialify(schema.element) });
    } else if (schema instanceof ZodOptional) {
        return ZodOptional.create(deepPartialify(schema.unwrap()));
    } else if (schema instanceof ZodNullable) {
        return ZodNullable.create(deepPartialify(schema.unwrap()));
    } else if (schema instanceof ZodTuple) {
        return ZodTuple.create(schema.items.map((item: z.ZodTypeAny) => deepPartialify(item)));
    } else if (schema instanceof z.ZodUnion) {
        return z.union(schema.options.map((option: z.ZodTypeAny) => deepPartialify(option)));
    } else if (schema instanceof ZodLazy) {
        return ZodLazy.create(() => deepPartialify(schema._def.getter()));
    } else {
        return schema;
    }
}