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React State Architecture🏛️

Intermediate→Advanced

React 19

Design scalable state management solutions using Context, external stores, state machines, and composition patterns for React applications.

6

Sections

16

Lessons

12

Challenges

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16 lessons and 12 challenges, all 100% free.

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Categories of State

Where Should State Live?

Single Source of Truth

Server State Tools(Sign in required)

Beginner+10 Mana

Challenge Derived State(Sign in required)

Intermediate+15 Mana

Context API Fundamentals

Context Performance Patterns

Context with useReducer

Challenge Context Rerender(Sign in required)

Intermediate+15 Mana

Split Context Pattern(Sign in required)

Intermediate+15 Mana

Zustand: Simple State Management

Jotai: Atomic State

Choosing a State Library

Challenge Zustand Selector(Sign in required)

Intermediate+15 Mana

Jotai Derived Atom(Sign in required)

Intermediate+15 Mana

State Machine Concepts

XState for Complex Logic

UI State Machine Examples

Boolean Soup Problem(Sign in required)

Intermediate+15 Mana

XState State Matching(Sign in required)

Intermediate+15 Mana

Reducer Composition

Custom Hooks for State

Challenge Usecallback State(Sign in required)

Intermediate+15 Mana

Challenge Immer Benefit(Sign in required)

Intermediate+15 Mana

Feature-Based State Organization

State Synchronization Patterns

Feature Module Exports(Sign in required)

Intermediate+15 Mana

Optimistic Update Rollback(Sign in required)

Intermediate+15 Mana

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16 interactive lessons and 12 hands-on challenges — learn in VS Code, Cursor, or the web.