How to get only 10 documents at a time in mongodb?
const result = student.find(); In mongodb database i require to get 10 documents on every buttion click and next time on click i need to get net 10 documents in mongodb.
Mongodb – I want send user info except password from the express server along with jwt token
I'm creating a MERN stack ecommerce application where I want send all user info along with jwt token but except password I'm ok with token part & I know how to send user but i don't know how to exclude…
ReferenceError: err is not defined when connecting mongodb with nodejs express
I was following an ecommerce website tutorial on Nodejs express (handlebars template). When try to connect to mongo dB (installed on system i.e., port 27017) it shows if(err) console.log ("connection Error"+ err) ^ ReferenceError: err is not defined var db=require('./config/connection');…
Struggling to get mongodb-memory-server 8 working with jest
I'm trying to get the latest version of mongodb-memory-server working with jest on a node express server. I'm trying to follow the guide in the mongodb-memory-server documentation (https://nodkz.github.io/mongodb-memory-server/docs/guides/integration-examples/test-runners#jest), but it seems to leave blanks and I can't figure out how…
How do I update a document in MongoDB using Mongoose
I am creating a Car Booking Service. Here is the code for car Model. const mongoose = require('mongoose'); const CarSchema = new mongoose.Schema({ Name: { type: String, required: true }, Model: { type: String, required: true }, Year: { type:…
Mongodb – Serving Static file publically in nodejs :- Not Working
In my nodejs server file, I am trying to server static folder the code goes as below :- server.js const express = require("express"); const app = express(); require("dotenv").config(); const cookieParser = require("cookie-parser"); const bodyParser = require("body-parser"); const { connectDB }…
How to find value in array of object in mongodb
I want to get the value of a nested object within an array. I get the _id of the parent object, as well as the _id of the child object within the array, but I am not able to retrieve…
Exclude certain attributes from object using the populate from mongodb using aggregate
I want to exclude for example email and address using populate() function from mongodb, just get the name from it: Example: const results = await Seller.aggregate(aggregatePipeline).exec(); const sellers = await Seller.populate(results, { path: "user" }); When populating the user instead…
jest-mongodb error: TypeError: Class extends value undefined is not a constructor or null
I'm trying to run tests with jest on a basic mongodb set-up with express. following the instructions in the jestjs.io documentation. When I run may package.json script: "test": "jest" I get the following error: TypeError: Class extends value undefined is…
Mongodb – "Login sessions require session support. Did you forget to use `express-session` middlewar?"
Learning node.js encountered this error "Login sessions require session support. Did you forget to use express-session middlewar?" Has anyone encountered this specific error when creating a Node.js project and, if so, what did you do to solve? const express =…