How can use LEFT JOIN at Sequelize?

Question

Relations:

Shop.hasMany(ShopAd, {foreignKey : \'shop_id\', as : \'ads\'});
ShopAd.belongsTo(Shop, {foreignKey : \'id\'})

I using :

Answer 1

required: true forces an INNER JOIN, use required: false to force a LEFT JOIN.

Taken from here.