1. Write plain old Swift
2. Use two new attributes: ExpoModule on the class, JS on its functions and accessors
Swift async functions : JS async functions (2.2x faster calls)
Swift sync functions : JS sync functions (14.5x faster calls)
Android and Kotlin speedups coming next.
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A native module is now one Swift class with @𝙹𝚂 on the parts JavaScript should see 🎉
Expo Modules 2.0
→ 𝙵𝚞𝚗𝚌𝚝𝚒𝚘𝚗 and 𝙰𝚜𝚢𝚗𝚌𝙵𝚞𝚗𝚌𝚝𝚒𝚘𝚗 collapse into one @𝙹𝚂 method
→ 100,000 adds: 97 ms → 19 ms on the same SDK
→ iOS in SDK 57 today
Benchmarks and code from @tsapeta:
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