Practical GraphQL - Become a GraphQL Ninja - File (Image) Upload in the Backend (Node.js)

This video tutorial explains how to implement file upload functionality in a React application. It covers setting up the backend using Express and GraphQL, installing the express-file-upload middleware, and creating an endpoint to handle file uploads. The tutorial also discusses moving uploaded files to a designated folder and handling potential errors. The process involves using Cloudinary for cloud storage and ensuring the uploaded files are accessible for use in the React app.

What is the primary purpose of file uploads in a React application as discussed in the video?

• To improve user interface design

• To enhance app performance

• To display user profile photos

• To store user data locally

Which package is used to simplify file uploads in an Express application?

• express-fileupload

• multer

• axios

• body-parser

What HTTP method is used to handle file uploads in the Express app?

• GET

• DELETE

• PUT

• POST

How does the Express app access the uploaded file?

• Through request.params

• Through request.query

• Through request.files

• Through request.body

What happens if there is an error during the file move operation?

• The file is moved to a temporary folder

• A status 500 error is returned

• The file is deleted

• The operation is retried