react-native-screens/src/gesture-handler/fabricUtils.ts

Native navigation primitives for your React Native app.

'use strict';

import type { ComponentRef } from 'react';
import type { View } from 'react-native';

/* eslint-disable */

type LocalGlobal = typeof global & Record<string, unknown>;

export function isFabric() {
  return !!(global as LocalGlobal).RN$Bridgeless;
}

export type HostInstance = {
  __internalInstanceHandle: Record<string, any>;
  __nativeTag: number;
  _viewConfig: Record<string, unknown>;
};

export function getShadowNodeWrapperAndTagFromRef(
  ref: ComponentRef<typeof View> | null,
): {
  shadowNodeWrapper: any;
  tag: number;
} {
  if (!ref) {
    return {
      shadowNodeWrapper: null,
      tag: -1,
    };
  }
  const internalRef = ref as unknown as HostInstance;
  return {
    shadowNodeWrapper: internalRef.__internalInstanceHandle.stateNode.node,
    tag: internalRef.__nativeTag,
  };
}