feat: on key press support

[eszlamczyk]

What/Why?

closes #348

Adds an onKeyPress prop to EnrichedMarkdownTextInput, mirroring React Native TextInput's API

({ nativeEvent: { key }}) => void

BREAKING CHANGE
On Android Plain Tab is now consumed in onKeyDown so it inserts \t and emits Tab like iOS instead of moving focus; Shift/Ctrl+Tab still navigate focus.

Without onKeyPress there was no way to observe a keystroke before it is applied to the input content.

• nativeEvent.key is the pressed character, or a named key: Backspace, Enter, Tab (iOS additionally reports
  Escape). Paste never fires the event.
• iOS/macOS emitted from shouldChangeTextInRange / textInputShouldChangeText with RN core's key mapping (empty - Backspace, \n - Enter, \t - Tab, ESC - Escape). The custom paste: override bypasses the delegate, so pastes are excluded by construction.
• Android's key inference ported from RN's ReactEditTextInputConnectionWrapper into the existing
  InputConnectionWrapper (cursor-movement heuristics for composing text, ≤2-char commits, batch-edit queueing,
  SwiftKey/number-pad sendKeyEvent). .
• Updated docs (API_REFERENCE.md, INPUT.md).
• New Storybook story EnrichedMarkdownTextInput -> Props -> Key Press showing the latest pressed keys as chips;
  onKeyPress is also wired into the shared Actions arg types, so all input stories log it.

Testing

1. Open the example app, Storybook, EnrichedMarkdownTextInput/Props/Key Press.
2. Type characters, backspace, and enter - chips appear below the input (newest highlighted) and events land in the Actions tab.
3. With a hardware keyboard, press Tab - a tab character is inserted and Tab is reported on both platforms (Android no
   longer moves focus to the toolbar).
4. Paste text via the context menu - no key press event fires.

Screenshots

iOS

Screen.Recording.2026-07-23.at.13.49.08.mov

Android

Screen.Recording.2026-07-23.at.13.49.41.mov

PR Checklist

• Code compiles and runs on iOS
• Code compiles and runs on Android
• Updated documentation/README if applicable
• Ran example app to verify changes
• E2E tests are passing
• Required E2E tests have been added (if applicable)

[Copilot]

Pull request overview

Adds onKeyPress support to EnrichedMarkdownTextInput, exposing a React Native TextInput-like key press event before edits are applied, with native implementations on iOS and Android plus docs and Storybook coverage.

Changes:

• Added onKeyPress prop (JS/TS) and native event plumbing (onInputKeyPress) via codegen types.
• Implemented iOS key mapping from replacement text and Android key inference via InputConnectionWrapper, plus hardware Tab handling on Android.
• Updated documentation and added a Storybook story demonstrating key press events.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
packages/react-native-enriched-markdown/src/index.tsx	Re-exports OnKeyPressEvent from the public entrypoint.
packages/react-native-enriched-markdown/src/EnrichedMarkdownTextInputNativeComponent.ts	Adds OnKeyPressEvent type and onInputKeyPress direct event handler to native props.
packages/react-native-enriched-markdown/src/EnrichedMarkdownTextInput.tsx	Adds onKeyPress prop and wires it to native onInputKeyPress.
packages/react-native-enriched-markdown/ios/input/EnrichedMarkdownTextInput.mm	Emits onInputKeyPress from iOS text-change delegate callbacks with RN-like key mapping.
packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/input/layout/InputEventEmitter.kt	Adds emitKeyPress() helper to dispatch key press events.
packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/input/events/OnInputKeyPressEvent.kt	New Android event class for onInputKeyPress payload { key }.
packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/input/EnrichedMarkdownTextInputView.kt	Consumes plain Tab to insert \\t and emit Tab on Android, matching iOS behavior.
packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/input/EnrichedMarkdownTextInputManager.kt	Registers onInputKeyPress for the view manager’s event list.
packages/react-native-enriched-markdown/android/src/main/java/com/swmansion/enriched/markdown/input/editing/InputConnectionWrapper.kt	Infers key presses from IME side effects and emits onInputKeyPress.
docs/INPUT.md	Documents new onKeyPress hook in the input guide.
docs/API_REFERENCE.md	Adds API reference section and example for onKeyPress.
apps/react-native-example/.rnstorybook/stories/components/EnrichedMarkdownTextInput/shared/storyMeta.ts	Wires onKeyPress into Storybook Actions arg types.
apps/react-native-example/.rnstorybook/stories/components/EnrichedMarkdownTextInput/props/KeyPress.stories.tsx	New Storybook story showcasing onKeyPress.
apps/react-native-example/.rnstorybook/stories/components/EnrichedMarkdownTextInput/EnrichedMarkdownTextInputStory.tsx	Adds KeyPressStory that displays recent keys as chips.

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[hryhoriiK97]

LGTM! I've left one comment