redux-persist-keychain-storage/index.js.flow

Storage engine for redux-persist, which can store sensitive data on the iOS/Android Keychain/Keystore, by wrapping react-native-keychain

type StorageApi = {
  getItem: (key: string) => Promise<string | null>,
  setItem: (key: string, item: string) => Promise<void>,
  removeItem: (key: string) => Promise<void>,
};

declare module "redux-persist-keychain-storage" {
  declare export function createKeychainStorage(): StorageApi;
}