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@harto
harto / before.js
Created April 20, 2016 17:33
Mocha before() & beforeEach() execution order with nested describe()
'use strict';
describe('mocha before hooks', function () {
before(() => console.log('*** top-level before()'));
beforeEach(() => console.log('*** top-level beforeEach()'));
describe('nesting', function () {
before(() => console.log('*** nested before()'));
beforeEach(() => console.log('*** nested beforeEach()'));
it('is a nested spec', () => true);
});
@zcaceres
zcaceres / Include-in-Sequelize.md
Last active March 30, 2026 22:12
using Include in sequelize

'Include' in Sequelize: The One Confusing Query That You Should Memorize

When querying your database in Sequelize, you'll often want data associated with a particular model which isn't in the model's table directly. This data is usually typically associated through join tables (e.g. a 'hasMany' or 'belongsToMany' association), or a foreign key (e.g. a 'hasOne' or 'belongsTo' association).

When you query, you'll receive just the rows you've looked for. With eager loading, you'll also get any associated data. For some reason, I can never remember the proper way to do eager loading when writing my Sequelize queries. I've seen others struggle with the same thing.

Eager loading is confusing because the 'include' that is uses has unfamiliar fields is set in an array rather than just an object.

So let's go through the one query that's worth memorizing to handle your eager loading.

The Basic Query