SomeComponent.js

import React, { useState, useEffect } from 'react';
import { Text } from 'react-native';
import { Appearance, useColorScheme } from 'react-native-appearance';

Appearance.getColorScheme();

const SomeComponent = (props) => {
  const [colorScheme, setColorScheme] = useState('light');
  const cs = useColorScheme();
  
  useEffect(() => {
    setColorScheme(cs);
  }, [cs]);
  
  const isDarkModeEnabled = () => {
    return colorScheme === 'dark';
  }
  
  return (
    <Text>{isDarkModeEnabled}</Text>
  );
};

export default SomeComponent;