JavaScript - Ivan's tech blog

Micro Frontends - how I built an SPA with Angular and React?

Posted on September 05, 2018 in JavaScript, Micro Frontends

If you're working in a big company, you're probably struggling to work on a single application with multiple teams. You have the large codebase, bunch of components, pages, everything is connected and you're always overlapping your work with some other team. Yeah, I know, that sucks, I've been there and tried a bunch of things to fix that issue.When you work on a single app with multiple teams, on different functionalities, you need to have:A big shared codebase that everybody maintains and has routing,

Do you Promise?

Posted on February 01, 2017 in JavaScript, Node.JS

Are you still writing your async JavaScript code using callbacks or async library? It's the time to start to Promises! What is a Promise? As the word says, Promise is something that can be available now, or in future, or never. When someone promises you something, that can be fulfilled of rejected. In JavaScript, Promise represents the eventual result of an asynchronous function. It has 3 different states: pending - The initial state of a promise. fulfilled - Operation is successful. rejected - Operation failed. Why

Working with HTTP streams with Cycle.js

Posted on January 04, 2017 in JavaScript

Hi! These days everyone is talking about functional programming in JS, reactive programming, and streams. Some awesome libraries came out to help us to work with streams and my favorite is Cycle.js. It's created by André Staltz. I've recently started to use Cycle.js framework for reactive programming. This framework gives you the ability to think about what should your app do when some data comes in the stream (Sources) and what it should do when you send some response back (Sinks). It creates an