World 2 / Builder Zone
A practical course on modeling app state. Learn source of truth, derived state, immutable updates, actions, reducer mental model, global store mock, course progress store, optimistic local store and a final Learning Store App. Clear lessons to unlock next zone. Boss Project waits at the end.
The product city connects state, user habits, shop flows, and practical app features.
Guide: Product Builder
Reward skill: Product thinking
Objective: Clear lessons, solve quests, bank XP, and open the next part of the map.
Free quest
0 / 9 lessons
Status
World
Time
Map
Lessons
Sign in to save progress and XP.
World goal: Turn screens into a product flow with clear state.
Skill collected: Product thinking
/course-assets/lessons/state-management/source-of-truth.svg
This module moves through a focused part of State Management. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 1: Source of truth и derived state. Clear the missions inside this zone to charge the path forward.
Mission 1
Mission 1: Source of truth. Read the briefing, solve the practice quest, and bank the XP.
Mission 1: Source of truth. Read the briefing, solve the practice quest, and bank the XP.
Mission 2: Derived state. Read the briefing, solve the practice quest, and bank the XP.
Mission 3: Immutable update: обновление lesson. Read the briefing, solve the practice quest, and bank the XP.
/course-assets/lessons/state-management/actions-model.svg
This module moves through a focused part of State Management. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 2: Actions и reducer model. Clear the missions inside this zone to charge the path forward.
Mission 4: Actions model. Read the briefing, solve the practice quest, and bank the XP.
Mission 5: Reducer mental model. Read the briefing, solve the practice quest, and bank the XP.
/course-assets/lessons/state-management/global-store-mock.svg
This module moves through a focused part of State Management. Each lesson includes a practical task, validation rules and a hidden solution.
Zone 3: Store patterns. Clear the missions inside this zone to charge the path forward.
Mission 6: Global store mock. Read the briefing, solve the practice quest, and bank the XP.
Mission 7: Course progress store. Read the briefing, solve the practice quest, and bank the XP.
Mission 8: Optimistic local store. Read the briefing, solve the practice quest, and bank the XP.
Boss Level
This module moves through a focused part of State Management. Each lesson includes a practical task, validation rules and a hidden solution.
Boss zone: Финальный Learning Store App. This is where the world turns into a portfolio proof. Final boss project.
Boss mission: Final project: Learning Store App. Combine the zone patterns into one final result. Turn screens into a product flow with clear state.