genesis-cli/template/app/models/index.js

It´s a CLI app to Create NodeJS projects like a boss

"use strict";

const fs = require("fs");
const path = require("path");
const Sequelize = require("sequelize");
const process = require("process");
const basename = path.basename(__filename);
const env = process.env.NODE_ENV || "development";
// const config = require(__dirname + '/../../config/config.json')[env];
// const db = {};
const { DB_NAME, DB_USER, DB_PASSWORD, DB_HOST, DB_DIALECT, DB_PORT } =
  process.env;
const db = {};
const credential = {
  username: DB_USER,
  password: DB_PASSWORD,
  database: DB_NAME,
  host: DB_HOST,
  dialect: DB_DIALECT,
};
const sequelize = new Sequelize(credential);

fs.readdirSync(__dirname)
  .filter((file) => {
    return (
      file.indexOf(".") !== 0 &&
      file !== basename &&
      file.slice(-3) === ".js" &&
      file.indexOf(".test.js") === -1
    );
  })
  .forEach((file) => {
    const model = require(path.join(__dirname, file))(
      sequelize,
      Sequelize.DataTypes
    );
    db[model.name] = model;
  });

Object.keys(db).forEach((modelName) => {
  if (db[modelName].associate) {
    db[modelName].associate(db);
  }
});

db.sequelize = sequelize;
db.Sequelize = Sequelize;
module.exports = db;