With Socket.IO, we can send files to our server over WebSockets instead of using an
http POST request. Socket.IO allows us to upload files in real time and display the uploaded images as needed.
In this recipe, we will use Socket.IO to upload a file to our local filesystem and then send a message to the client to display the image when it is done uploading.
For this recipe, we will use the built-in Node
fs module to upload our images.
We will upload files to our filesystem, so make sure that you create a folder called
tmp in the root of your project.
To upload an image to the filesystem with Socket.IO, follow these steps:
server.jsfile. This file will ...