带有HasMany的sequelize/sequelize-typescript - findAll返回对象而不是数组

import { Model, DataTypes, HasMany } from 'sequelize';
import { sequelize } from './sequelize';

class User extends Model {
  public id!: number;
  public name!: string;
  public readonly createdAt!: Date;
  public readonly updatedAt!: Date;

  public readonly posts?: Post[];

  public static associations: {
    posts: HasMany<User, Post>;
  };
}

class Post extends Model {
  public id!: number;
  public title!: string;
  public readonly createdAt!: Date;
  public readonly updatedAt!: Date;

  public userId!: number;
}

User.init(
  {
    id: {
      type: DataTypes.INTEGER,
      autoIncrement: true,
      primaryKey: true,
    },
    name: {
      type: DataTypes.STRING,
      allowNull: false,
    },
  },
  {
    sequelize,
    modelName: 'User',
  }
);

Post.init(
  {
    id: {
      type: DataTypes.INTEGER,
      autoIncrement: true,
      primaryKey: true,
    },
    title: {
      type: DataTypes.STRING,
      allowNull: false,
    },
  },
  {
    sequelize,
    modelName: 'Post',
  }
);

User.hasMany(Post, {
  sourceKey: 'id',
  foreignKey: 'userId',
  as: 'posts',
});

Post.belongsTo(User, {
  targetKey: 'id',
  foreignKey: 'userId',
});

async function getUserWithPosts(userId: number) {
  const user = await User.findOne({
    where: { id: userId },
    include: [{ model: Post, as: 'posts' }],
  });

  return user;
}

const userWithPosts = await getUserWithPosts(1);
console.log(userWithPosts);