Function restoreState

example/src/index.tsx:60–71

()

  React.useEffect(() => {
    const restoreState = async () => {
      try {
        const savedStateString = await AsyncStorage.getItem(PERSISTENCE_KEY);
        const state = JSON.parse(savedStateString || '');

        setInitialState(state);
      } catch (e) {
        // ignore error
      } finally {
        setIsReady(true);
      }
    };

    if (!isReady) {
      restoreState();