Writing a database seeder class to seed multiple collections. (NodeJS, MongoDB) - node.js

Question

Hi all I have been struggling all day with this and I was hopingsomeone might be able to assist me on figuring out the functionality. I'm still very new to asynchronous programming so any advice would be highly appreciated! I wrote two seeder classes which work great independently, and am opting to create a databaseSeeder class that I can use to run all my migrations from one file.
The issue I'm facing is that I need the UserSeeder to complete first because the ProductSeeder uses the ID's from the User model to link products to users. Please find my code for a reference:
User Seeder:
const mongoose = require("mongoose");
const User = require("../models/User");
const dotenv = require("dotenv");
const { faker } = require("#faker-js/faker");
const { v4: uuidv4 } = require("uuid");
dotenv.config();
const database = process.env.MONGOLAB_URI;
mongoose
.connect(database, {
useUnifiedTopology: true,
useNewUrlParser: true,
})
.then(() => console.log("User Collection Connected"))
.catch((err) => console.log(err));
const seedUserList = async () => {
let users = [];
for (let i = 0; i < 5; i++) {
const userSeeder = new User({
_id: uuidv4(),
firstname: faker.name.firstName(),
lastname: faker.name.lastName(),
username: faker.internet.userName(),
email: faker.internet.email(),
contact_number: faker.phone.number("### ### ####"),
password: faker.internet.password(),
address: faker.address.streetAddress(),
avatar: faker.image.people(1920, 1080, true),
rating: 3,
isVerified: false,
isValidated: false,
});
users.push(userSeeder);
}
const seedUsers = async () => {
await User.deleteMany({});
await User.insertMany(users);
};
seedUsers().then(() => {
console.log("Users Seeded Successfully!");
mongoose.connection.close();
});
};
seedUserList();
module.exports = {
seedUserList,
};
Product Seeder:
const mongoose = require("mongoose");
const Product = require("../models/Product");
const User = require("../models/User");
const dotenv = require("dotenv");
const { faker } = require("#faker-js/faker");
const { v4: uuidv4 } = require("uuid");
dotenv.config();
const database = process.env.MONGOLAB_URI;
mongoose
.connect(database, {
useUnifiedTopology: true,
useNewUrlParser: true,
})
.then(() => console.log("Products Collection Connected"))
.catch((err) => console.log(err));
const seedProductList = async () => {
let products = [];
let ids = [];
let idList = await User.find().select("_id");
idList.map((r) => r.toObject());
for (let i = 0; i < idList.length; i++) {
idList[i] = JSON.stringify(idList[i]);
ids.push(idList[i].substring(8, 44));
}
for (let i = 0; i < 25; i++) {
const productSeeder = new Product({
_id: uuidv4(),
name: faker.commerce.product(),
price: faker.commerce.price(),
description: faker.commerce.productDescription(),
image: faker.image.image(1920, 1080, true),
category: "Tools",
times_borrowed: faker.datatype.number(),
last_borrowed: faker.date.past(),
product_status: faker.helpers.arrayElement(["Available", "In Use"]),
user_id: faker.helpers.arrayElement(ids),
});
products.push(productSeeder);
}
const seedProducts = async () => {
await Product.deleteMany({});
await Product.insertMany(products);
};
seedProducts().then(() => {
console.log("Products Seeded Successfully!");
mongoose.connection.close();
});
};
seedProductList();
module.exports = {
seedProductList,
};
Database Seeder:
const { seedUserList } = require("./userSeeder");
const { seedProductList } = require("./productSeeder");
const mongoose = require("mongoose");
const seedDatabase = async () => {
seedUserList().then(() => {
console.log("Seeding Users!");
});
await seedProductList().then(() => {
console.log("Seeding Products!");
});
};
seedDatabase().then(() => {
console.log("Database Successfully Seeded!");
mongoose.connection.close();
});
Terminal Output
E:\Projects\Shopping-Platform>node src/seeders/databaseSeeder.js
Seeding Users!
User Collection Connected
Products Collection Connected
Seeding Products!
Database Successfully Seeded!
Products Seeded Successfully!
Users Seeded Successfully!
I've been playing around with the await functionality and wrapping each function with it's own await call so that the ProductSeeder waits for the UserSeeder to complete first before it executes, but so far no luck!