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A brief look at some of the advanced features of the TypeScript type system.
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TypeScript: Beyond The Basics
1.
TypeScript: Beyond theBasics EricPotter Technical Strategist, Aptera
Software
2.
Prerequisites • Adding types
to variables and parameters • Creating classes • Use of Type Definition files • Configuring the build
3.
Data Types
4.
“ “A data
type defines a collection of data values and a set of predefined operations on those values.”
5.
6.
7.
8.
9.
Generics
10.
11.
12.
13.
14.
Basic Inheritance
15.
16.
“ Inheritance produces “is-a” relationships.
17.
18.
19.
“ Composition > Inheritance
20.
IntersectionTypes
21.
22.
23.
24.
25.
UnionTypes
26.
27.
28.
29.
30.
31.
“ Union Types
are most commonly used to safely represent potential error cases.
32.
33.
String Literals
34.
35.
36.
Conclusion
37.
“ Use the
TypeScript type system to clearly express the intent of the software.
38.
“ Thank You. Let’s Chat
Later. @pottereric HumbleToolsmith.com
Notas do Editor
Example of a data type
Is-a relationships can get messy.
Venn Diagram
Sudo uml for union types
Don’t overuse the types. The types can make your code more robust.
Don’t overuse the types. The types can make your code more robust.
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