Hash setting - models/index.js

index.js

const Sequelize = require("sequelize");
const env = process.env.NODE_ENV || "development";
const config = require("../config/config.json")[env];
const db = {};

const sequelize = new Sequelize(
  config.database,
  config.username,
  config.password,
  config
);

db.sequelize = sequelize;
db.Sequelize = Sequelize;

db.Post = require("./post")(sequelize, Sequelize);
db.Hashtag = require("./hashtag")(sequelize, Sequelize);

db.Post.belongsToMany(db.Hashtag, { through: "PostHashTag" }); 
db.Hashtag.belongsToMany(db.Post, { through: "PostHashTag" });

module.exports = db;