Summary:
Initially if a `react-native-web` project were to use a library that required internals `expo/webpack-config` would polyfill those internals. This `Platform.web` was used for cases where `react-native` modules needed other internal `react-native` modules, ex: `Animated/src/AnimatedEvent -> Renderer/shims/ReactNative -> Renderer/oss/ReactNativeRenderer-dev -> Core/InitializeCore -> Devtools/setupDevtools -> WebSocket/WebSocket -> Utilities/Platform`
The consensus is that if any `react-native` library references a `react-native` internal (ex: `react-native/*`), it should continue to throw errors. We've removed the use of internals from all of the Unimodules, `react-navigation`, and `react-native-gesture-handler`. This covers a wide enough area for a lot of projects to get web support.
* Add emitters for libs referencing internals necolas/react-native-web#1275
* Remove monkey patch that bundles RN, libs that use internals will crash instead expo/expo-cli#409
* Remove all unsupported internals and polyfills from the Expo suite expo/expo#3676
* Remove internals from react-native-gesture-handler kmagiera/react-native-gesture-handler#406
* Related #23387
[GENERAL] [REMOVED] - Platform.web.js
Pull Request resolved: https://github.com/facebook/react-native/pull/23830
Differential Revision: D14406145
Pulled By: hramos
fbshipit-source-id: bdda99a334d33f5543fdb954eb80e2e7186f985a
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