Skylight - Our app from past to present
summary
Skylight transforms a fragile JavaScript app into a React Native codebase spanning 2017–2026, adopting TanStack DB for an offline‑first sync model and React Compiler + Hermes V1 for runtime gains. React Compiler runs appwide since March and yields 77% optimized components; a small Babel plugin converts idioms that cut 63 bailouts to zero. A month view latency drops after moving to TanStack DB collections and live queries, and agent profiling supplies the numbers that prove it works.
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chapters (16)
- 0:00Introduction
- 1:13What is Skylight
- 2:16React Native early challenges
- 4:05Core library changes
- 5:11Major React Native shifts
- 6:58Hermes and performance
- 8:022020 tools and models
- 9:26Expo and React Native Web
- 11:53Joining Skylight
- 13:18Legacy tech debt
- 14:26Modernization efforts
- 16:09React Native Web architecture
- 17:12React Compiler optimization
- 21:10TanStack DB offline
- 24:27AI tools and future
- 25:30Q&A
