Typescript

By Phil

Transcript

1. Typescript Phil
2. Typescript is… • Typed superset of JS • Compile to plain JS • Open source https://www.typescriptlang.org/
4. Good Parts • Familiarity • Compile time type check • Interfaces • Class-based design patterns • Support • Micro$oft • Popular editors • Community • Angular, React, Vue • Standard JS Interoperability • Just JavaScript
5. Good Parts • Readability • Helper • Enable Specification without any comments • Safety • Data handling(Especially form) + RxJS
6. API
7. Types
8. Class, extend
9. Class, Interface
10. Access modifier Accessibiliy public protected private In Class O O O In Child Class O O X Instance O X X
11. Generic
12. Iterator
13. Iterator
14. Type Inference
15. Problems • Lack of experience • No one used Typescript as product level • @types problem • If we need 3’rd party library, also need Definition files of Library • Normally, they provide definition files. But…It's not forced
16. @types : *.d.ts Go to Definition
17. Q & A Buzzstore?
18. Thank you