react-native-gesture-handler/lib/module/v3/scrollViewInterop.js

Declarative API exposing native platform touch and gesture system to React Native

"use strict";

import * as React from 'react';
import { TextInput } from 'react-native';
export const JSResponderContext = /*#__PURE__*/React.createContext(null);
export function updateResponderEventValue(jsResponderContext, value) {
  const responderEventRef = jsResponderContext?.isRNGHResponderEvent;
  if (responderEventRef) {
    responderEventRef.current = value;
  }
}
let isKeyboardVisible = false;
let keyboardOpenedForRNInput = false;
export function setKeyboardVisibility(visible) {
  isKeyboardVisible = visible;

  // Snapshotted at show-time: the dismissal blurs the input at touch-down,
  // before the press events get checked
  keyboardOpenedForRNInput = visible && TextInput.State.currentlyFocusedInput?.() != null;
}
export function isKeyboardDismissingTap(jsResponderContext) {
  if (jsResponderContext == null) {
    return false;
  }
  const mode = jsResponderContext.keyboardShouldPersistTaps;
  const keyboardNeverPersistTaps = !mode || mode === 'never';

  // Drop only taps that can dismiss the keyboard, i.e. an RN TextInput is (or
  // was at show-time) focused - mirrors RN ScrollView's `_keyboardIsDismissible`.
  // A native field's keyboard (e.g. a native-stack search bar) can't be
  // blurred, so dropping there would leave presses permanently dead
  return keyboardNeverPersistTaps && isKeyboardVisible && (keyboardOpenedForRNInput || TextInput.State.currentlyFocusedInput?.() != null);
}
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