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import React from "react"; | |
import io from "socket.io-client"; | |
class Chat extends React.Component{ | |
constructor(props){ | |
super(props); | |
this.state = { | |
username: '', | |
message: '', | |
messages: [] | |
}; | |
this.socket = io('localhost:8080'); | |
this.socket.on('RECEIVE_MESSAGE', function(data){ | |
addMessage(data); | |
}); | |
const addMessage = data => { | |
console.log(data); | |
this.setState({messages: [...this.state.messages, data]}); | |
console.log(this.state.messages); | |
}; | |
this.sendMessage = ev => { | |
ev.preventDefault(); | |
this.socket.emit('SEND_MESSAGE', { | |
author: this.state.username, | |
message: this.state.message | |
}) | |
this.setState({message: ''}); | |
} | |
} | |
render(){ | |
return ( | |
<div className="container"> | |
<div className="row"> | |
<div className="col-4"> | |
<div className="card"> | |
<div className="card-body"> | |
<div className="card-title">Global Chat</div> | |
<hr/> | |
<div className="messages"> | |
{this.state.messages.map(message => { | |
return ( | |
<div>{message.author}: {message.message}</div> | |
) | |
})} | |
</div> | |
</div> | |
<div className="card-footer"> | |
<input type="text" placeholder="Username" value={this.state.username} onChange={ev => this.setState({username: ev.target.value})} className="form-control"/> | |
<br/> | |
<input type="text" placeholder="Message" className="form-control" value={this.state.message} onChange={ev => this.setState({message: ev.target.value})}/> | |
<br/> | |
<button onClick={this.sendMessage} className="btn btn-primary form-control">Send</button> | |
</div> | |
</div> | |
</div> | |
</div> | |
</div> | |
); | |
} | |
} | |
export default Chat; |
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