type compatibility error of schema defination

[liudaoping]

node version: v14.15.1
typescript version: v4.2.3
mongoose version: v5.12.0

codes

interface IUser {
  id: string;
  name: string;
}
const userDef: SchemaDefinition<IUser> = {
  id: { type: String, required: true },
  name: { type: String, required: true },
};

const userSchema = new Schema(userDef, { _id: false, versionKey: false });

interface ICode {
  value: string;
  category: ObjectId;
  approved: boolean;
  createdBy: IUser;
  createdAt: Date;
}

const codeDef: SchemaDefinition<ICode> = {
  value: { type: SchemaTypes.String, required: true },
  category: { type: SchemaTypes.ObjectId, required: true },
  approved: { type: SchemaTypes.Boolean, required: true },
  createdBy: { type: userSchema, required: true },
  createdAt: { type: SchemaTypes.Date, required: true },
};

const codeSchema = new Schema(codeDef);

error details

• field category

Type '{ type: typeof Schema.Types.ObjectId; required: true; }' is not assignable to type 'typeof SchemaType | Function[] | SchemaTypeOptions<ObjectId> | Schema<Document<any, {}>, Model<any, any>, undefined> | Schema<...>[] | SchemaTypeOptions<...>[] | { ...; } | { ...; }[]'.
  Types of property 'type' are incompatible.
    Type 'typeof ObjectId' is missing the following properties from type 'ObjectId': auto, default, immutable, index, and 8 more.ts(2322)

• field approved

Type '{ type: typeof Schema.Types.Boolean; required: true; }' is not assignable to type 'boolean | typeof SchemaType | Function[] | SchemaTypeOptions<false> | Schema<Document<any, {}>, Model<any, any>, undefined> | ... 7 more ... | true[]'.
  Types of property 'type' are incompatible.
    Type 'typeof Boolean' is not assignable to type 'boolean'.ts(2322)

• field createdBy

Type '{ type: Schema<Document<any, {}>, Model<any, any>, undefined>; required: true; }' is not assignable to type '{ id?: "string" | StringConstructor | "String" | typeof String | SchemaTypeOptions<string>; name?: "string" | StringConstructor | "String" | typeof String | SchemaTypeOptions<...>; } | ... 6 more ... | { ...; }[]'.
  Types of property 'type' are incompatible.
    Type 'Schema<Document<any, {}>, Model<any, any>, undefined>' is missing the following properties from type 'IUser': id, namets(2322)

• field createdAt

Type '{ type: typeof Schema.Types.Date; required: true; }' is not assignable to type 'typeof SchemaType | Function[] | SchemaTypeOptions<Date> | Schema<Document<any, {}>, Model<any, any>, undefined> | Schema<...>[] | SchemaTypeOptions<...>[] | { ...; } | { ...; }[]'.
  Types of property 'type' are incompatible.
    Type 'typeof Date' is missing the following properties from type 'Date': toDateString, toTimeString, toLocaleDateString, toLocaleTimeString, and 38 more.ts(2322)