Creating your own JavaScript wrapper for an API — Every time I find myself connecting to a third-party API that doesn’t have a client library, I have to create a lot of boilerplate around it: Manually getting and passing authentication credentials to the data-fetching layer. What if you want to persist API keys or perform the OAuth process? Defining…

What makes a great design system — and how can you create your own for your project or company? — Companies like Airbnb, Apple, Uber, and GitHub have changed the ways they design digital products by incorporating their design language and organizing it into a system that can be used across all employees — and even outside of the company. It quickly became popular in the whole industry: Just google…

Pressure makes better programmers, faster — Over the course of my life, I’ve participated in more than 20 hackathons, so I might be a little biased on them, but on the other hand, I know a lot about how they can be useful. Let me start by explaining what a hackathon means to me. In general…

Fetch-on-render, fetch-then-render, render-as-you-fetch — Recently, React announced a feature of the React ecosystem — Concurrent Mode. This would allow us to stop or delay the execution of components for the time that we need. It’ll help React apps stay responsive and gracefully adjust to the user’s device capabilities and network speed. Concurrent Mode consists…

Performance pitfalls and how to avoid them — From version 16.8.0, React introduced us to a way to use state and other React features without writing a class — React Hooks. It’s an amazing improvement around the classic Class paradigm which allows us to reuse stateful logic between components. …

If you'll go to the official React website it says that the recommended way to use inputs is to control them via React state. It also mentions that in some cases you can go with an uncontrolled option but do not say what are these cases explicitly. …

When bringing on new employees, hiring managers always look for similar qualities. They seek employees who will show up on time, know what they are doing and will contribute, in one way or another, to the overall success of the company. Unfortunately, everyone else is also aware of these ideal…