What is the difference between "module.exports" and "exports.module" in java script

Question

I have created a Model named 'Product' and the below code in there

const Sequelize = require('sequelize');

const sequelize = require('../util/database');

const Product = sequelize.define('product',{
    id: {
        type: Sequelize.INTEGER,
        autoincrement: true,
        allowNull: false,
        primaryKey: true
    },
    title: Sequelize.STRING,
    price: {
        type: Sequelize.DOUBLE,
        allowNull: false
    },
    imageUrl:{
        type: Sequelize.STRING,
        allowNull: true
    },
    description: {
        type: Sequelize.STRING,
        allowNull: true
    }
});

exports.module = Product;

I am getting the below error

Product.create is not a function

If I replace exports.module = Product; with module.exports = Product; , It is working good.

Can anyone clarify what is the difference between the two

Answer 1

module.exports is the property used to export values from a CommonJS module.

exports is a shorthand for module.exports .

exports.module is the same as module.exports.module which creates an value named module on the exported object.

---

So if you have:

module.exports = Product;

Then you would match it with:

const Product = require('./myModule');

---

But if you have:

exports.module = Product;

Then you would:

const myModule = require('./myModule');
const Product = myModule.module;

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exports.module is, basically, a mistake and makes code confusing. Don't do that.