How to Test Function Calls in React Components

Test Function Calls in React Components

Testing how functions are called within your React components is one of the most common tasks I face as a developer. In my eight years of building React applications, I’ve learned that verifying interactions is just as important as verifying the final UI output. Whether you are capturing a user’s newsletter signup or triggering a … Read more >>

How to Force Update a React Functional Component

Force Update a React Functional Component

In my years of building large-scale React applications, I have often encountered situations where the UI simply doesn’t reflect the underlying data changes. Usually, React handles re-rendering beautifully on its own whenever your state or props change. However, there are rare edge cases, like working with external libraries or mutable refs, where you need to … Read more >>

React Mosaic Component

React Mosaic Component

Building complex dashboards that allow users to resize and rearrange windows is a challenge I have faced many times over the last eight years. In my experience, users in the USA, especially those in fintech and logistics, demand interfaces that feel like a professional desktop workstation. Standard CSS grids are great, but they lack the … Read more >>

How to Build Dynamic News Feed Component in React

Build Dynamic News Feed Component in React

If you have been working with React for a while, you know that building a news feed is a rite of passage. It is one of those components that seems simple until you start handling real-time data. In my years of developing front-end applications, I have built dozens of these feeds. Whether it is for … Read more >>

How to Use Export Default Class in React

Export Default Class in React

When I first started building React applications nearly a decade ago, the transition from standard JavaScript to ES6 classes felt like a massive shift in how we structured UI logic. One of the most common patterns I’ve used daily is the export default class syntax to define and share components across an application. In this … Read more >>

How to Prevent Child Component Rerenders in React

Prevent Child Component Rerenders in React

I’ve often seen applications crawl to a halt because of unnecessary rerenders. It is a common frustration when a small change in a parent component triggers a full refresh of every single child, even when their data hasn’t changed. I remember working on a high-traffic financial dashboard for a New York firm where every tick … Read more >>

React Component Export Syntax

React Component Export Syntax

Throughout my years of building large-scale React applications, I’ve found that how you organize and export your components is just as important as the logic inside them. In this guide, I will show you the different ways to export components in React, using real-world examples that go beyond simple “Hello World” snippets. Whether you are … Read more >>

How to Use Jest spyOn with React Components

Jest spyOn with React Components

In my years of developing React applications, testing has always been the backbone of a reliable product. One tool I find myself reaching for constantly is jest.spyOn(). It is incredibly useful when you want to track how a component interacts with its dependencies without completely replacing them. In this tutorial, I’ll share how I use … Read more >>

How to Build a React Stepper Component

How to Build a React Stepper Component

Building a multi-step interface can often feel like a daunting task when you first start out with React. I remember the first time I had to build a complex checkout flow for a logistics client based in Texas; I spent hours trying to manage the state between different screens. In this tutorial, I will show … Read more >>

How to Create React Components Using CLI

Create React Components Using CLI

React is my go-to library for building dynamic user interfaces, and I’ve spent years refining how I structure my projects. One thing I realized early on is that manually creating folders and files for every single component is a massive time-waster. If you are still right-clicking to “New File” every time you need a button … Read more >>

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