hooks-eleven.js

React.useEffect(() => {
	console.log('componentDidMount - rendered!');
	channel.sendMessage({
		text: 'Welcome to our customer chat with React Hooks tutorial!',
	});

	return function cleanUp() {
		console.log(
			`You have ${channel.state.messages.length} stored in local state. Goodbye!`
		);
	};
}, []);