react-native-screens/lib/module/native-stack/utils/useHeaderHeight.js

Native navigation primitives for your React Native app.

import * as React from 'react';
import HeaderHeightContext from './HeaderHeightContext';
export default function useHeaderHeight() {
  const height = React.useContext(HeaderHeightContext);
  if (height === undefined) {
    throw new Error("Couldn't find the header height. Are you inside a screen in a navigator with a header?");
  }
  return height;
}
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