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All LessonsFree Lessons (4)

Strict types

Introduction No Implicit `any`Fixing `noImplicitAny` Errors The `unknown` Type Strict Null Checks Optionality Strict Property Initialization Non-Null Assertion Operator Exercise in Strictness

Generics

Introduction Function Types Generic Functions Generic Functions Example - Typing `reduce`Generic Interfaces - OOP Perspective Generic Interfaces - FP Perspective Type Argument Constraints Type Constructors Type Argument Propagation

Composing types

Introduction Union and Intersection Types Discriminated Union Types Discriminated Unions in Practice State Machines Discriminated Unions vs Subtyping

Advanced types

Introduction Conditional Types Introduction Built-in Conditional Types The `infer` Keyword Conditional Types Example - React Component Props Mapped Types Introduction Built-in Mapped Types Type Guards Custom Type Guards Nominal Types

TypeScript in practice

Introduction Debugging Errors: Type Assignability Debugging Errors: Narrowing Types Debugging Errors: Unintuitive Error Message React and TypeScript: `useState` Hook React and TypeScript: `useReducer` Hook RxJS and TypeScript: `pipe`

Conclusion

Advanced TypeScript Masterclass/

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Conclusion

Conclusion

This lesson concludes the course.

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Thank you so much for looking into this course! I hope you enjoyed it, and I’m confident you will find your newly acquired TypeScript skills helpful. The course focused on the most practical bits of advanced TypeScript knowledge. Every ...