Originally published at https://www.developerway.com. The website has more articles like this 😉 In one of the previous articles about React composition, I showed an example of how to improve performance of a component with heavy state operations by passing other components to it as children instead of rendering them directly…

Originally published at https://www.developerway.com. The website has more articles like this 😉 If you’re not completely new to React, you’re probably already at least familiar with useMemo and useCallback hooks. And if you work on a medium to large-scale application, chances are you can describe some parts of your app…

Originally published at https://www.developerway.com. The website has more articles like this 😉 How to structure React apps “the right way” seems to be a hot topic for as long as React existed. React’s official opinion on it is that it “doesn’t have opinions”. This is great, it gives us total…

Originally published at https://www.developerway.com. The website has more articles like this 😉 React “key” attribute is probably one of the most “autopilot” used features in React 😅 Who among us honestly can say that they use it because of “…some valid reasons”, rather than “because eslint rule complained at me”…

One of the most interesting and challenging things in React is not mastering some advanced techniques for state management or how to use Context properly. More complicated to get right is how and when we should separate our code into independent components and how to compose them properly. I often…

After Context, ref is probably the most mysterious part of React. We almost got used to the ref attribute on our components, but not everyone is aware, that its usage is not limited to passing it back and forth between components and attaching it to the DOM nodes. We actually…

Higher-Order Components in the React Hooks Era — Is it true that React hooks have made higher-order components obsolete? And the only use case for those is to be a remnant of the past in some existential legacy corners of our apps? And what is a higher-order component anyway? Why did we need them in the first place? …

As always in React, there is one million way to do exactly the same thing. If, for example, I need to pass a component as a prop to another component, how should I do this? If I search the popular open-source libraries for an answer, I will find that: I…

It’s impossible to have a conversation on how to write performant React code without having an article or two on Context. And it’s such a controversial topic! There are so many prejudices and rumours surrounding it. Context is evil! React re-renders everything for no reason when you use Context! …