Add selection to TextInput onChange event #55000
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Summary: This change adds `selection` data to the `TextInput.onChange` event for both iOS and Android platforms. ## Why On the web, text input elements provide `selectionStart` and `selectionEnd` properties that are always accessible during input events. This is a W3C DOM standard that enables common use cases like: - mention and tagging systems (insert at cursor position) - Autocomplete/typeahead (replace text at cursor) - Input masking (format text while maintaining cursor position) - Rich text editing features React Native's `onChange` event previously included `selection` on iOS (Fabric), but this was removed in D76253999 to unify with Android (which never had it). This change restores and extends this capability to both platforms, better aligning React Native with web standards. ## What Changed 1. **Flow Types**: Added optional `selection?: Selection` to `TextInputChangeEventData` 2. **iOS/macOS (C++)**: Enable selection in `onChange` event via `TextInputEventEmitter` 3. **Android (Kotlin)**: Added selection data to `ReactTextChangedEvent` 4. **RNTester**: Updated examples to verify the change ## Changelog [General][Added] - TextInput onChange event now includes selection data on iOS and Android Differential Revision: D89898092
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Summary:
This change adds
selectiondata to theTextInput.onChangeevent for both iOS and Android platforms.Why
On the web, text input elements provide
selectionStartandselectionEndproperties that are always accessible during input events. This is a W3C DOM standard that enables common use cases like:React Native's
onChangeevent previously includedselectionon iOS (Fabric), but this was removed in D76253999 to unify with Android (which never had it). This change restores and extends this capability to both platforms, better aligning React Native with web standards.What Changed
selection?: SelectiontoTextInputChangeEventDataonChangeevent viaTextInputEventEmitterReactTextChangedEventChangelog
[General][Added] - TextInput onChange event now includes selection data on iOS and Android
Differential Revision: D89898092