Dynamic add properties to Mongoose model

addPropertyToMongooseSchema.js

// Object to new mongoose schema and to save data in mongoDB from provided instance of an object

const mongoose = require("mongoose");
const Schema = mongoose.Schema;
mongoose.set("strictQuery", false);

const database = {
    uri: "mongodb://127.0.0.1:27017/",
    name: "dayalayer",
    user: "",
    password: "",
    options: {},
};

function mongooseConnect() {
    mongoose.connect(`${database.uri}${database.name}`, database.options).then(
        () => {
            console.log("Mongo connected...")
            listCollections()

        },
        err => {
            console.error(err)
        }
    )
}

mongooseConnect()

const fruitSchema = new Schema({}, {
    strict: false // to allow adding fields to the schema after creating the model
})
const Fruit = mongoose.model('fruit', fruitSchema)

let fruitInstance = {
    name: "apple",
    color: "red",
    price: 1200
}

for (let Key in fruitInstance) {
    fruitSchema.add({
        [Key]: {
            type: typeof fruitInstance[Key],
        }
    })
}

// fruitSchema.add({
//     other: String
// }) ===>>> if you want to add a field to the schema after creating the model

fruitInstance.other = "other"
fruitInstance.another = "another"

let one = new Fruit(fruitInstance, {
    strict: false
})

one.save()

async function listCollections() {
    let db = mongoose.connection.db;
    const collections = await db.listCollections().toArray();
    collections.forEach((collection) => console.log(collection.name));

    db = mongoose.connection.db;
    await db.collection("popcorn").rename("popcorn1").catch(error => console.log(error.codeName))

    mongoose.disconnect();
}

// mongoose.connection.close()

// models with individual collection name from set schema
//const TickerModel = mongoose.model('tickerdata2024-02-28', require('../Models/TickerSchema'))