Sequelize:引发新错误(调用了`${this.name}.belongsToMany，但调用的内容不是Sequelize.Model的子类

const { Sequelize, DataTypes, Model } = require('sequelize');
const sequelize = new Sequelize('sqlite::memory:'); // 示例使用 SQLite 内存数据库

class User extends Model {}
User.init({
  username: DataTypes.STRING,
}, { sequelize, modelName: 'user' });

class Role extends Model {}
Role.init({
  name: DataTypes.STRING,
}, { sequelize, modelName: 'role' });

// 定义多对多关系
User.belongsToMany(Role, { through: 'user_roles' });
Role.belongsToMany(User, { through: 'user_roles' });

(async () => {
  await sequelize.sync({ force: true });
})();

// 错误的示例
User.belongsToMany(RoleModel, { through: 'user_roles' }); // RoleModel 应该是 Role

// 正确的示例
User.belongsToMany(Role, { through: 'user_roles' });

// 错误的示例
const InvalidModel = {};
User.belongsToMany(InvalidModel, { through: 'user_roles' }); // InvalidModel 不是 Sequelize 模型

// 正确的示例
User.belongsToMany(Role, { through: 'user_roles' });