feat(fabric): Implement Paste for TextInput #2715
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Saadnajmi
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Summary: This diff refactors the data transfer item payload conversion logic to share it with `TextInputEventEmitter` paste event, allowing to implement the onPaste event emitters building the same payload as generated by the drag and drop implementation. Test Plan: Tested later in this stack. Reviewers: shawndempsey, #rn-desktop Reviewed By: shawndempsey Differential Revision: https://phabricator.intern.facebook.com/D53694921
Summary: Implement the file/image pasteboard pasting event for the `TextInput` component in Fabric. The payload for the event is the same as for the drag and drop events. Test Plan: * Run Zeratul with Fabric enabled * Copy an image/file on the pasteboard * Focus the message composer * Paste the image/file and send the message https://pxl.cl/4lk92 Reviewers: shawndempsey, #rn-desktop Reviewed By: shawndempsey Differential Revision: https://phabricator.intern.facebook.com/D53694922
Summary: **Context** - Configuring paste options was never implemented in our Fabric TextInput - Paper Implementation: https://www.internalfb.com/code/fbsource/[93ff90a797da]/third-party/microsoft-fork-of-react-native/react-native-macos/packages/react-native/Libraries/Text/TextInput/Multiline/RCTMultilineTextInputViewManager.m?lines=29-35 https://www.internalfb.com/code/fbsource/[563690cf01f1]/third-party/microsoft-fork-of-react-native/react-native-macos/packages/react-native/React/Base/RCTConvert.m?lines=1239 **Change** - Add c++ enum/prop - Add conversion - Add `pastedTypes` to Fabric component Test Plan: |Fabric|Paper| | https://pxl.cl/4LcPw | https://pxl.cl/4LcQL| Reviewers: lefever, #rn-desktop Differential Revision: https://phabricator.intern.facebook.com/D56558929 Tasks: T186086013
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Oct 9, 2025
packages/react-native/Libraries/Text/TextInput/Singleline/RCTUITextField.h
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packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm
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…w/RCTViewComponentView.mm Co-authored-by: Tommy Nguyen <[email protected]>
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Summary:
Implement onPaste for TextInput. This is fairly heavy as it involves heavily refactoring the
DataTransferobject that is created and sent to JS:Notable changes:
dataTransferPayloadmethod onHostPlatformViewEventEmitter. This means we now have a public method that returns aJSI::Value, which feels a bit odd.pastedTypesprop that matches paper to Fabric TextInputTest Plan:
Existing example in Drag and drop test page still works, and returns the same object payload as paper.