rn-config-context-2.ts

// config.ts
export const setupStore = async (): Promise<Store> => {
  // we could perform asynchronously loading operations here
  return initialStore;
};

const RootStoreContext = React.createContext<Store>(initialStore);

/**
 * The provider to expose the root store
 */
export const RootStoreProvider = RootStoreContext.Provider;

export const useConfig = () => React.useContext(RootStoreContext).config;