03 Full-Stack Application Development Experience in Kotlin. Sergey Shkredov, New Product Team Lead.

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1. Sergey Shkredov, Team Lead 19:45 - Kotlin Full-Stack — JetBrains Open Day Moscow
2. 11 years at JetBrains Circlet Rider .NET R#
3. Full-Stack Server: • Exposed • KTOR • Elastic • Redis Web: • React IDEA: • Swing Android: • Kotlin IOS: • React native More: • Desktop • iOS
4. Kotlin JS • JS Generator • Kotlin stdlib for js • DOM api • Platform interop (dynamic, annotations, external) • js(“”) • CommonJS/AMD/UMD
5. Kotlin JS - require
6. Kotlin JS - @JsModule
7. Kotlin JS - @JsModule
8. Kotlin JS - external
9. Kotlin JS - dynamic
10. KT vs TS
11. Multi Platform Projects COMMON JS JVM
12. Before MPP COMMON JS COMMON JVM JS JVM
13. MPP SHARED JS JVM
14. MPP SHARED JS
15. MPP SHARED JS B A
16. MPP SHARED JS B A D C
17. MPP SHARED JS B A actual fun foo() {} expect fun foo()
18. MPP
19. MPP
20. MPP • Native platforms • More specific JVM and JS platforms • Cross platform libraries
21. MPP Libs • Serialization • Http client • Dates • Coroutines • ??
22. Architecture API Server client-view-model app-web app-android
23. API • RMI vs RPC • Live updates • Optimistic updates • Data query (graph QL) • Http fallback • Caching
24. API • Interface based • Event sourcing • Object updates steaming • Specialised APIes • Transport level caching
25. Client state • Web is different • React vs MVVM
26. Kotlin JS • kotlin-frontend-plugin • kotlin-dce-js • create-kotlin-react-app • ts2kt
27. Thank you! — JetBrains Open Day Moscow