From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Authentication: Building an auth-aware navigation bar

Authentication: Building an auth-aware navigation bar

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Authentication: Building an auth-aware navigation bar

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Hello, and welcome! In this session, I'm going to guide you through the process of building a smart, dynamic, and responsive navigation bar in a Next.js application. We'll start with our basic static navigation component and progressively refactor it. You'll learn how to manage navigation links efficiently, implement a mobile-friendly hamburger menu and, most importantly, make the navigation bar authentication-aware. This means it will intelligently show different options like log in and sign up to guests and a personalized welcome message with a logout button to users who are signed in. Let's get started! OK, let's begin our refactoring process to make the code cleaner. I am going to replace the entire theme-toggle-button element inside the main return statement with a variable placeholder called theme-toggle-button. The goal here is to improve the readability of the main JSX structure. By extracting complex or lengthy pieces of JSX into variables, the main return block becomes less…

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