catch.ex.js

function anAction () {
	return function (dispatch) {
		dispatch(requestStarted())

		return fetch().then(
			function (success) {
				dispatch(requestWasSuccessful(success));
			},
			function (error) {
				dispatch(requestFailed(success));
			}
		);
	}
}


class SomeComponent extends Component {
	componentDidMount () {
		anAction();
	}

	render () {
		const {
			actionData
		} = props;

		<div>Whut</div>
	}
}

// mapstatetoprops that maps the redux data to props
//
class SomeOtherComponent extends Component {
	componentDidMount () {
		const { actionData } = this.props;

		anAction().then(function(success) {
			// we know that this is successful, so call something that's
			// required.
			if (actionData.shouldCallTheOtherAction) {
				callAnotherAction(actionData.someRandomStuff)
			}
		});
	}

	render () {
		const {
			actionData
		} = props;

		<div>Whut again</div>
	}
}

// mapstatetoprops that maps the redux data to props