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Ramanpreet NaraandFacebook GitHub Bot
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Summary: Pull Request resolved: https://github.com/facebook/react-native/pull/43951 ## Context The **early js** error reporting pipeline catches javascript exceptions. After errors are caught, the pipeline parses the exception, and puts the data into into a map buffer. 🤨 ## Problems We don't need to use a mapbuffer here: The structure of this exception data is known and never changes. (A map buffer is a type-unsafe bag of key/value pairs). Instead, we could just use lower-level type-safe language primitives: regular C++ struct, and java class w/ fbjni. ## Changes Migrate the **early js** error handling infra to C++ structs/fbjni. ## Impact Now, there is no mapbuffer usage on iOS. We could re-introduce it when there is a need. Changelog: [Internal] Reviewed By: fkgozali Differential Revision: D55265170 fbshipit-source-id: cda97633d4c6ccaad541e5d416067390fe6f61b2