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Improve usage of setState

This commit is contained in:
Franck Royer 2021-04-22 15:57:43 +10:00
parent 25e6b1cbd3
commit 4c8a243c51
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1 changed files with 3 additions and 8 deletions
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11
web-chat/src/Room.tsx
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@ -17,21 +17,16 @@ interface Props {
lines: ChatMessage[], lines: ChatMessage[],
} }
interface State {
messageToSend: string
}
export default function Room (props :Props) { export default function Room (props :Props) {
let [state, setState] = useState<State>({ messageToSend: '' }); let [messageToSend, setMessageToSend] = useState<string>('');
const { waku } = useWaku(); const { waku } = useWaku();
const messageHandler = (msg: string) => { const messageHandler = (msg: string) => {
setState({ messageToSend: msg }); setMessageToSend(msg);
} }
const sendMessage = async () => { const sendMessage = async () => {
const chatMessage = new ChatMessage(new Date(), 'web-chat', state.messageToSend); const chatMessage = new ChatMessage(new Date(), 'web-chat', messageToSend);
const wakuMsg = WakuMessage.fromBytes(chatMessage.encode(), ChatContentTopic); const wakuMsg = WakuMessage.fromBytes(chatMessage.encode(), ChatContentTopic);
await waku!.relay.send(wakuMsg); await waku!.relay.send(wakuMsg);
} }