ReactAsyncStore.js

import { AsyncStorage } from 'react-native';

// retrieve
export const get = async key => await AsyncStorage.getItem(key);

// store
export const set = async (key, value) => {
  await AsyncStorage.setItem(key, value);
};

export const setObj = async (key, value) => {
  await AsyncStorage.setItem(key, JSON.stringify(value));
};

// store multiple keys
export const storeCredentials = async (token, permissions) => {
  await AsyncStorage.multiSet([
    ['token', token],
    ['permissions', JSON.stringify(permissions)]
  ]);
};

// clear key
export const remove = async key => await AsyncStorage.removeItem(key);

// clear multiple keys
export const clearCredentials = async () =>
  await AsyncStorage.multiRemove(['token', 'permissions']);

export const printAllKeys = async () => {
  await AsyncStorage.getAllKeys((err, keys) => {
    AsyncStorage.multiGet(keys, (err, stores) => {
      stores.map((result, i, store) => {
        // get at each store's key/value so you can work with it
        let key = store[i][0];
        let value = store[i][1];
        console.log('[key, value]', key, value);
      });
    });
  });
};