demo not working

[lake2]

import zodToMongoSchema from 'zod-to-mongodb-schema';

const zodObjectId = z.custom<ObjectId | string>(value => ObjectId.isValid(value));

const userSchema = z.object({
_id: zodObjectId,
name: z.string().min(3),
dateOfBirth: z.date(),
});

const mongoUserSchema = zodToMongoSchema(userSchema, { zodObjectId });

error:'ZodObject' not supported.

    "zod-to-mongodb-schema": "^0.0.1"