Build 3 React Context API Projects in 1 Hour - Full Course | CodeWithAswin | Tamil
React Context API Projects | Counter, Auth, and Theme Context | Full Tutorial | #codewithaswin 🚀
In this comprehensive tutorial, we dive into three practical projects using React Context API: a counter, an authentication system, and a theme toggler. This video is perfect for developers looking to understand and implement context in their React applications.
TimeStamps:
Part 1: 💡 Dark Mode / Light Mode Implementation (Context API)
00:00 - Introduction and Context Setup (createContext & ThemeProvider)
00:02:51 - Toggle Theme Logic and useMemo Optimization
00:04:20 - Creating the useTheme Custom Hook
00:05:06 - Building and Styling the Theme Toggle Switch UI
00:15:26 - Global CSS Setup: Defining Light and Dark Mode Variables (:root & [data-theme])
00:18:50 - Final Integration and Dark Mode Demonstration
Part 2: 🔐 Authentication (Login/Logout) with useReducer
00:21:36 - Introduction and Reducer Setup (Actions and AuthReducer Function)
00:27:06 - Implementing the Auth Provider with useReducer Hook
00:29:06 - Creating Login and Logout Dispatch Functions
00:32:07 - Building the Login Component UI and Form Logic
00:38:10 - Building the Auth Status Component (Conditional Rendering)
00:43:22 - Authentication Demonstration and Final CSS Styling
Part 3: 🔢 Counter Example (useReducer for Numbers State)
00:57:50 - Introduction and Counter Reducer Setup
01:04:10 - Implementing the Counter Provider and Action Dispatchers
01:08:48 - Building the Counter Display and Controls UI
01:14:24 - Attaching Click Handlers (Increment, Decrement, Reset)
01:18:24 - Advanced Logic: Modifying Reducer for Custom Step Values
What You’ll Learn:
1. Counter Context:
Creating Counter Context: Set up a context for managing counter state.
Increment, Decrement, Reset: Implement functions to manipulate the counter value.
useContext Hook: Use the `useContext` hook to access and modify counter state across components.
2. Auth Context:
Creating Auth Context: Set up context for handling user authentication.
Login and Logout: Implement login and logout functionalities to manage user sessions.
Protecting Routes: Use context to protect routes based on authentication status.
3. Theme Context:
Creating Theme Context: Set up context for toggling between light and dark themes.
Dynamic Theme Switching: Implement functionality to switch themes dynamically.
Persisting Theme Preference: Save and load the user’s theme preference using local storage.
Why Watch This Video:
Hands-On Learning: Follow along with detailed, step-by-step examples and see how to build real-world projects using React Context API.
Comprehensive Coverage: Understand the full cycle of creating and using context in different scenarios.
Best Practices: Learn best practices for state management and context usage in React applications.
By the end of this tutorial, you’ll have a solid understanding of how to implement and manage different contexts in your React projects, making your applications more scalable and maintainable.
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