services/deviceStorage.js

deviceStorage.js

import { AsyncStorage } from 'react-native';

const deviceStorage = {
  # code omitted for brevity

  async deleteJWT() {
    try{
      await AsyncStorage.removeItem('id_token')
      .then(
        () => {
          this.setState({
            jwt: ''
          })
        }
      );
    } catch (error) {
      console.log('AsyncStorage Error: ' + error.message);
    }
  }
};

export default deviceStorage;