TypeScript

This talk was presented at the International JavaScript Conference, London, UK in April 2018

Transcript

1. TypeScript International JavaScript Conference April 2018 @Srushtika | Ably Realtime | iJS | 2018
2. Hi! I’m Srushtika @Srushtika n.srushtika@gmail.com Developer Advocate
3. TypeScript Why? @Srushtika | Ably Realtime | iJS | 2018
4. JAVASCRIPT Hipster much? @Srushtika | Ably Realtime | iJS | 2018
5. In a regular project cycle Write new code Write new code Document Maintain @Srushtika | Ably Realtime | iJS | 2018
6. In a regular project cycle Write new code Write new code Document Maintain @Srushtika | Ably Realtime | iJS | 2018
7. TypeScript What? @Srushtika | Ably Realtime | iJS | 2018
8. @Srushtika | Ably Realtime | iJS | 2018
9. @Srushtika | Ably Realtime | iJS | 2018
10. TypeScript How? @Srushtika | Ably Realtime | iJS | 2018
11. Types @Srushtika | Ably Realtime | iJS | 2018
12. Interfaces @Srushtika | Ably Realtime | iJS | 2018
13. Classes & OOP @Srushtika | Ably Realtime | iJS | 2018
14. Migrating to TypeScript? Here’s how we did it at Ably @Srushtika | Ably Realtime | iJS | 2018
15. Understanding the problem Realization • Explosive growth in codebase • Growth in the development team • Long onboarding time • Long and complex refactoring of existing code Research Flow vs TypeScript: go.ably.io/typescript-vs-flow Progressive Migration • Setup TypeScript configuration • Convert files that have most active development • Use of a designated procedure to convert each file @Srushtika | Ably Realtime | iJS | 2018
16. Migration Steps @Srushtika | Ably Realtime | iJS | 2018
17. Refactoring and Documentation @Srushtika | Ably Realtime | iJS | 2018
18. Tips & Tricks @Srushtika | Ably Realtime | iJS | 2018
19. noImplicityAny @Srushtika | Ably Realtime | iJS | 2018
20. Object vs any @Srushtika | Ably Realtime | iJS | 2018
21. Function overloading @Srushtika | Ably Realtime | iJS | 2018
22. Function return types @Srushtika | Ably Realtime | iJS | 2018
23. const variables and types? Really? @Srushtika | Ably Realtime | iJS | 2018
24. Interfaces with Classes @Srushtika | Ably Realtime | iJS | 2018
25. John Diamond https://github.com/jdmnd
26. Thankyou! @Srushtika | Ably Realtime | iJS | 2018