App using useGlobalState

app.js

export default function App() {
  const [theme, dispatch] = useGlobalState(appState, state => state.theme);

  return (
    <div style={{ background: theme.background }}>
      <button onClick={() => dispatch('toggleTheme')}>Toggle theme</button>
      <p style={{ color: theme.text }}>
        You're enjoying the {theme.name} theme
      </p>
    </div>
  );
}

Part of https://medium.com/@dominictobias/using-react-hooks-for-global-redux-stores-97c092afe210 article