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React TypeScript Mastery📘

Intermediate→Advanced

React 19

Build type-safe React applications with TypeScript. Learn to type components, props, hooks, context, events, and integrate with third-party libraries.

6

Sections

17

Lessons

18

Challenges

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17 lessons and 18 challenges, all 100% free.

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Why TypeScript for React?

Typing Function Components

Typing the Children Prop

TypeScript File Extension(Sign in required)

Beginner+10 Mana

Optional Props Syntax(Sign in required)

Beginner+10 Mana

Challenge React Node(Sign in required)

Beginner+10 Mana

Typing useState

Typing useReducer

useState with Type(Sign in required)

Beginner+10 Mana

DOM Ref Type(Sign in required)

Beginner+10 Mana

Action Types Pattern(Sign in required)

Intermediate+15 Mana

Event Handler Types

Custom Event Props

Form Event Patterns

Input Change Event(Sign in required)

Intermediate+15 Mana

Callback Prop Type(Sign in required)

Beginner+10 Mana

Event Handler Type(Sign in required)

Intermediate+15 Mana

Typed Context Pattern

Generic Context Pattern

Context Default Value(Sign in required)

Intermediate+15 Mana

Custom Hook Error(Sign in required)

Beginner+10 Mana

Tuple Return Type(Sign in required)

Advanced+15 Mana

Polymorphic Components

Discriminated Union Props

Utility Types for Props

Polymorphic 'as' Prop(Sign in required)

Advanced+15 Mana

Omit Utility Type(Sign in required)

Intermediate+15 Mana

Mutually Exclusive Props(Sign in required)

Advanced+15 Mana

DefinitelyTyped & @types

Typing API Responses

Form Library Types

Type Definitions Package(Sign in required)

Beginner+10 Mana

Inferring Types from Zod(Sign in required)

Intermediate+15 Mana

Generic API Function(Sign in required)

Intermediate+15 Mana

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17 interactive lessons and 18 hands-on challenges — learn in VS Code, Cursor, or the web.