| import { FormEvent, useEffect, useState } from "react"; |
| import { useMutation, useQuery } from "convex/react"; |
| import { api } from "../convex/_generated/api"; |
|
|
| export default function App() { |
| const messages = useQuery(api.messages.list); |
| const sendMessage = useMutation(api.messages.send); |
|
|
| const [newMessageText, setNewMessageText] = useState(""); |
| const [name, setName] = useState("user"); |
|
|
| useEffect(() => { |
| setName("User " + Math.floor(Math.random() * 10000)); |
| }, []); |
|
|
| async function handleSendMessage(event: FormEvent) { |
| event.preventDefault(); |
| setNewMessageText(""); |
| await sendMessage({ body: newMessageText, author: name }); |
| } |
| return ( |
| <main> |
| <h1>Convex Chat</h1> |
| <p className="badge"> |
| <span>{name}</span> |
| </p> |
| <ul> |
| {messages?.map((message) => ( |
| <li key={message._id.toString()}> |
| <span>{message.author}:</span> |
| <span>{message.body}</span> |
| <span>{new Date(message._creationTime).toLocaleTimeString()}</span> |
| </li> |
| ))} |
| </ul> |
| <form onSubmit={handleSendMessage}> |
| <input |
| value={newMessageText} |
| onChange={(event) => setNewMessageText(event.target.value)} |
| placeholder="Write a message…" |
| /> |
| <input type="submit" value="Send" disabled={!newMessageText} /> |
| </form> |
| </main> |
| ); |
| } |
|
|
