How to Seed a MongoDB Database with Fake Data

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/* mySeedScript.js */
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// require the necessary libraries
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const faker = require("faker");
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const MongoClient = require("mongodb").MongoClient;
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function randomIntFromInterval(min, max) { // min and max included 
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    return Math.floor(Math.random() * (max - min + 1) + min);
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}
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async function seedDB() {
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    // Connection URL
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    const uri = "YOUR MONGODB ATLAS URI";
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    const client = new MongoClient(uri, {
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        useNewUrlParser: true,
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        // useUnifiedTopology: true,
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    });
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    try {
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        await client.connect();
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        console.log("Connected correctly to server");
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        const collection = client.db("iot").collection("kitty-litter-time-series");
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        // The drop() command destroys all data from a collection.
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        // Make sure you run it against proper database and collection.
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        collection.drop();
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        // make a bunch of time series data
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        let timeSeriesData = [];
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        for (let i = 0; i < 5000; i++) {
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            const firstName = faker.name.firstName();
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            const lastName = faker.name.lastName();
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            let newDay = {
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                timestamp_day: faker.date.past(),
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                cat: faker.random.word(),
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                owner: {
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                    email: faker.internet.email(firstName, lastName),
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                    firstName,
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                    lastName,
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                },
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                events: [],
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            };
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            for (let j = 0; j < randomIntFromInterval(1, 6); j++) {
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                let newEvent = {
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                    timestamp_event: faker.date.past(),
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                    weight: randomIntFromInterval(14,16),
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                }
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                newDay.events.push(newEvent);
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            }
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            timeSeriesData.push(newDay);
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        }
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        collection.insertMany(timeSeriesData);
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        console.log("Database seeded! :)");
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        client.close();
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    } catch (err) {
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        console.log(err.stack);
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    }
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}
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seedDB();