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Petros Koulianos
Petros Koulianos

Posted on • Originally published at Medium on

Build a Flush Message Middleware with Node.js from Scratch

Learn how to build a flush messages middleware system with node.js and express.js from scratch

Photo by Photo by Octavian Rosca on Unsplash

1.Introduction

In this story, we’ll learn how to build a flush message middleware from scratch with node.js and express.js.

But what is flush messages?

Flush messages are small messages with information that inform the user-client about various cases, such as unsuccessful login, invalid input on a form field etc …

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