React

A Global Custom 404 Page for Route Groups in Next.js

React January 23, 2026

Implementing a custom 404 page in Next.js becomes unexpectedly tricky when using route groups. While group-specific not-found.jsx files work as expected, unmatched routes fall back to the default Next.js 404, breaking visual consistency. This article explains why this happens and shows a practical workaround using the experimental globalNotFound option to create a reusable, fully styled global 404 page.

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Tables and Modals in Next.js 16: Preserving State

React November 14, 2025

Discover how to implement persistent data tables with edit modals in Next.js 16 using dynamic routes, intercepting routes, and hybrid patterns, with examples, pitfalls, and the recommended final architecture.

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Next.js 15 Tutorial: Full-Stack App with Ant Design

React February 26, 2025

Next.js 15 is redefining server-side React development, offering built-in optimizations for routing, caching, and image handling. In this step-by-step tutorial, we will build a dynamic records management app using Ant Design 5 for UI components and React Query 5 for efficient data fetching. Learn how to streamline development, minimize boilerplate, and optimize performance with Next.js best practices. Get started today!

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Refactoring Legacy React: From OOP to Functional

Software Design React February 17, 2025

When React Hooks arrived in 2019, migrating a large class-based codebase to functional components looked impractical. A few tricks made it workable: composition instead of inheritance, useImperativeHandle for imperative APIs, and function-based customization in place of subclassing.

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Effortless Form Handling in React with HTML5 Validation API

React June 5, 2018

When we talk about user input within a web app we often think first of HTML forms. Web forms have been available with the very first editions of HTML. Apparently the feature was introduced already in 1991 and standardized in 1995 as RFC 1866. We use them everywhere, with almost every library and framework. But what about React? Facebook gives a limited input on how to deal with forms . Mainly its about subscribing form and controls for interaction events and passing state with value property. So form validation and submission logic is up to you. Decent UI implies you cover such logic as on submit/on input field validation, inline error messaging, toggling elements depending on validity, pristine, submitting states and more. Cannot we abstract this logic and simply plug it in our forms? Definitely we can. The only question is what approach and solution to pick up.

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