I have a class set up with string keys, like this: The goal is to dynamically loop over the functions in an instance like this: However, everything I have tried has only resulted in the keys id and data. I can manually get the function and run it just fine: But it does not show up in any dynamic enumeration
Tag: express
How does the const a = express() works exactly?
I recently started learning Node/express. One doubt is bugging me for a couple of weeks now. I know what this does, and I’ve been able to get past it. But I cannot wrap my head around the logic used in the line const a = express(). I don’t think I have seen this before in javascript. In this case,…
How to properly route different paths with ExpressJS/ NodeJS?
I initially had a problem where I had two separate and distinct paths for my nodeJS server like so: Path A to fetch all businesses near latlng coordinates: Path B to fetch review for specific business: As soon as I modify Path A to add a category parameter: Path B throws error code 400 and no longer fetches r…
Cannot GET routes other than “/” express
I’m trying to create a web app with the MVC pattern and express in node.js. This is my project structure: project structure image app.js: loginController.js: The problem is that I can access the index page (“/”) but not the login page (“/login”) even when the code for both is alm…
Next.js and Express.js give CORS error, API queries only work at build time
I have a project where I use Next.js on the front-end and Express.js on the back. Front-end side The ‘pages’ file contains ‘index.js’. In it, I am sending the following request. Back-end side And here is my Route code : So, When the page is first built with Next.js, the api works, but …
Uploading an image to an API with multer
I’m trying to make an application that requires image uploading and storing, I’m using Express, Mongoose and Multer and trying to upload to MongoDB. Currently when I try to upload an image, Multer does create a folder and store the image in that folder, but it doesn’t save the item to the da…
How to log user input with Morgan?
Good morning, I am trying to log user input from user when using morgan and express. What I am specifically trying to log is noted in this image: (The user posted a request with an object that includes two key/value pairs “name” and “number”) How would I go about logging this? Custom t…
How to Configure Server API to Receive a Request Body Using Fetch and Express JS?
I’m trying to send a JSON file from the client to the server, but when I try to do so I get the error: “No ‘Access-Control-Allow-Origin’ header is present on the requested resource”. I also get the errors “POST http://localhost:3000/ net::ERR_FAILED” and “Uncaug…
Request interceptors not modifying the value of request header in node js
I am using http-proxy-middleware to create a proxy and it’s running successfully. Before calling app.use(‘/’,proxy_options); I am trying to intercept my request and modifying the request header but updated value is not reflecting in headers. Even I tried with req.header.authorization=token; …
formData in React, getting null when I send formdata to backend Express
When I send data from the frontend I receive null in the backend. I am sending 2 string data URLs and dates so I don’t think that I need to use extra middleware for receiving the values. Frontend: Backend: Answer it’s empty because on the server you have a json parser, but you’re sending a m…