Home > @lynx-js/react-rsbuild-plugin > PluginReactLynxOptions > firstScreenSyncTiming
This flag controls when MainThread (Lepus) transfers control to Background after the first screen
This flag has two options:
"immediately"
: Transfer immediately
"jsReady"
: Transfer when background (JS Runtime) is ready
After handing over control, MainThread (Lepus) runtime can no longer respond to data updates, and data updates will be forwarded to background (JS Runtime) and processed __asynchronously__
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