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Building Full-Stack Web Applications With Node.js and React

File Uploads

Explore implementing file uploads in a full-stack app using React and Node.js. Learn to build a user-friendly upload interface, connect to backend endpoints, handle form submission, and provide upload status feedback with alerts and loaders.

We'll cover the following...

In this lesson, we’ll continue to implement the four essential functionalities for any application(the CRUD operations). However, this time, we’ll implement all the required UI parts to use operations more easily. We’ll start with the UI of the most essential functionality, the upload operation.

Upload the service

We created the services/user.service.js file, but we haven’t used it till now. Now, it’s time to write the first service in that file. The service will interact with the upload endpoint in the back-end.

  1. We import axios and authHeader.

    • The HTTP client axios is what we use in the application.

    • The authHeader is the authentication service that provides the token.

Javascript (babel-node)
// frontend/src/services/user.service.js
import axios from "axios";
import authHeader from "./auth.header";

  1. We write the upload service as follows:

    • The data is the required information about the uploaded file along with the file itself.

    • The dedicated /upload endpoint in the server uploads a ...