Typescript Features

A set of small scripts highlighting Typescript features. (v4.6)

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Intro

1. Any vs Unknown
2. Arrays and Tuples
3. Classes
4. Functions
5. Async/Await
6. Type Declarations
7. Types
8. Generics

Intermediate

1. Shortcut Property Mapping
2. Union
3. Discriminated Unions
4. Intersection Types
5. Lexical Scope
6. Literal Types
7. Type Narrowing
8. Null vs Undefined
9. Optional and Readonly
10. Never
11. Non Null Assertions
12. Interfaces vs Types
13. Partial
14. Required
15. Readonly
16. Record

Advanced

1. Assertion Functions
2. Const Assertions
3. Double Assertions
4. Definite Assignment Assertion
5. Construct Signatures
6. Abstract
7. Implements
8. Function Overloading
9. Generic Constraints
10. Index Signatures
11. Readonly Arrays
12. This as a Function Parameter
13. User Defined Type Guards

Expert

1. typeof Type
2. Lookup Types
3. keyof Type
4. Conditional Types
5. Conditional Types with Unions and never
6. infer and ReturnType