Answers for "Cancel All Subscriptions and Asyncs in the componentWillUnmount Method, how?"

Cancel All Subscriptions and Asyncs in the componentWillUnmount Method, how?

constructor(props) {
    super(props);

    this._isMounted = false;
// rest of your code
}

componentDidMount() {
    this._isMounted = true;
    this._isMounted && this.getImage(this.props.item.image);