react query

tank-frontend/package-lock.json

@@ -8,6 +8,7 @@
       "name": "tank-frontend",
       "version": "0.0.0",
       "dependencies": {
+        "@tanstack/react-query": "^5.29.2",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-use-websocket": "^4.8.1"
@@ -1188,6 +1189,30 @@
         "win32"
       ]
     },
+    "node_modules/@tanstack/query-core": {
+      "version": "5.29.0",
+      "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.29.0.tgz",
+      "integrity": "sha512-WgPTRs58hm9CMzEr5jpISe8HXa3qKQ8CxewdYZeVnA54JrPY9B1CZiwsCoLpLkf0dGRZq+LcX5OiJb0bEsOFww==",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
+    "node_modules/@tanstack/react-query": {
+      "version": "5.29.2",
+      "resolved": "https://registry.npmjs.org/@tanstack/react-query/-/react-query-5.29.2.tgz",
+      "integrity": "sha512-nyuWILR4u7H5moLGSiifLh8kIqQDLNOHGuSz0rcp+J75fNc8aQLyr5+I2JCHU3n+nJrTTW1ssgAD8HiKD7IFBQ==",
+      "dependencies": {
+        "@tanstack/query-core": "5.29.0"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "react": "^18.0.0"
+      }
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",

tank-frontend/package.json

@@ -10,6 +10,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@tanstack/react-query": "^5.29.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-use-websocket": "^4.8.1"

tank-frontend/src/App.tsx

@@ -44,8 +44,8 @@ export default function App() {
         <ClientScreen logout={logout} theme={theme} playerId={nameId.id}/>
         {nameId.name === '' && <JoinForm setNameId={setNameId} clientId={nameId.id}/>}
         <Row className='GadgetRows'>
-            {isLoggedIn && <Controls playerId={nameId.id} logout={logout}/>}
-            {isLoggedIn && <PlayerInfo playerId={nameId.id} logout={logout}/>}
+            {isLoggedIn && <Controls playerId={nameId.id}/>}
+            {isLoggedIn && <PlayerInfo playerId={nameId.id}/>}
             <Scoreboard/>
         </Row>
     </Column>;

tank-frontend/src/Controls.tsx

@@ -1,19 +1,17 @@
 import './Controls.css';
 import useWebSocket, {ReadyState} from 'react-use-websocket';
 import {useEffect} from 'react';
+import {Guid} from "./Guid.ts";
 
-export default function Controls({playerId, logout}: {
-    playerId: string,
-    logout: () => void
-}) {
+export default function Controls({playerId}: { playerId: Guid }) {
     const url = new URL('controls', import.meta.env.VITE_TANK_WS);
     url.searchParams.set('playerId', playerId);
+
     const {
         sendMessage,
         getWebSocket,
         readyState
     } = useWebSocket(url.toString(), {
-        onError: logout,
         shouldReconnect: () => true,
     });
 

tank-frontend/src/PlayerInfo.tsx

@@ -1,43 +1,40 @@
-import {useEffect, useState} from 'react';
-import {Player, getPlayer} from './serverCalls';
+import {useQuery} from '@tanstack/react-query'
+import {Player} from './serverCalls';
 import {Guid} from "./Guid.ts";
 import Column from "./components/Column.tsx";
 
-export default function PlayerInfo({playerId, logout}: {
-    playerId: Guid,
-    logout: () => void
-}) {
-    const [player, setPlayer] = useState<Player | null>();
+export default function PlayerInfo({playerId}: { playerId: Guid }) {
+    const query = useQuery({
+        queryKey: ['player'],
+        refetchInterval: 1000,
+        queryFn: async () => {
+            const url = new URL('/player', import.meta.env.VITE_TANK_API);
+            url.searchParams.set('id', playerId);
 
-    useEffect(() => {
-        const refresh = () => {
-            getPlayer(playerId).then(response => {
-                if (response.successResult)
-                    setPlayer(response.successResult);
-                else
-                    logout();
-            });
-        };
-
-        const timer = setInterval(refresh, 5000);
-        return () => clearInterval(timer);
-    }, [playerId]);
+            const response = await fetch(url, {method: 'GET'});
+            if (!response.ok)
+                throw new Error(`response failed with code ${response.status} (${response.status})${await response.text()}`)
+            return await response.json() as Player;
+        }
+    });
 
     return <Column className='PlayerInfo'>
         <h3>
-            {player ? `Playing as ${player?.name}` : 'loading...'}
+            {query.isPending && 'loading...'}
+            {query.isSuccess && `Playing as ${query.data.name}`}
         </h3>
-        <table>
+        {query.isError && <p>{query.error.message}</p>}
+        {query.isSuccess && <table>
             <tbody>
             <tr>
                 <td>kills:</td>
-                <td>{player?.scores.kills}</td>
+                <td>{query.data?.scores?.kills ?? '?'}</td>
             </tr>
             <tr>
                 <td>deaths:</td>
-                <td>{player?.scores.deaths}</td>
+                <td>{query.data?.scores?.deaths ?? '?'}</td>
             </tr>
             </tbody>
-        </table>
+        </table>}
     </Column>;
 }

tank-frontend/src/Scoreboard.tsx

@@ -1,28 +1,31 @@
-import {getScores, Player} from "./serverCalls.tsx";
-import {useEffect, useState} from "react";
+import {Player} from "./serverCalls.tsx";
 import DataTable from "./components/DataTable.tsx";
+import {useQuery} from "@tanstack/react-query";
 
 function numberSorter(a: number, b: number) {
     return b - a;
 }
 
 export default function Scoreboard({}: {}) {
-    const [players, setPlayers] = useState<Player[]>([]);
+    const query = useQuery({
+        queryKey: ['scores'],
+        refetchInterval: 1000,
+        queryFn: async () => {
+            const url = new URL('/scores', import.meta.env.VITE_TANK_API);
+            const response = await fetch(url, {method: 'GET'});
+            if (!response.ok)
+                throw new Error(`response failed with code ${response.status} (${response.status})${await response.text()}`)
+            return await response.json() as Player[];
+        }
+    });
 
-    useEffect(() => {
-        const refresh = () => {
-            getScores().then(value => {
-                if (value.successResult)
-                    setPlayers(value.successResult);
-            });
-        };
-
-        const timer = setInterval(refresh, 5000);
-        return () => clearInterval(timer);
-    }, [players]);
+    if (query.isError)
+        return <p>{query.error.message}</p>;
+    if (query.isPending)
+        return <p>loading...</p>;
 
     return <DataTable
-        data={players}
+        data={query.data}
         columns={[
             {field: 'name'},
             {

tank-frontend/src/index.tsx

@@ -2,9 +2,14 @@ import React from 'react';
 import {createRoot} from 'react-dom/client';
 import './index.css';
 import App from "./App.tsx";
+import {QueryClient, QueryClientProvider} from "@tanstack/react-query";
+
+const queryClient = new QueryClient()
 
 createRoot(document.getElementById('root')!).render(
     <React.StrictMode>
-        <App/>
+        <QueryClientProvider client={queryClient}>
+            <App/>
+        </QueryClientProvider>
     </React.StrictMode>
 );

tank-frontend/src/serverCalls.tsx

@@ -44,15 +44,3 @@ export function postPlayer({name, id}: NameId) {
 
     return fetchTyped<NameId>({url, method: 'POST'});
 }
-
-export function getPlayer(id: Guid) {
-    const url = new URL('/player', import.meta.env.VITE_TANK_API);
-    url.searchParams.set('id', id);
-
-    return fetchTyped<Player>({url, method: 'GET'});
-}
-
-export function getScores() {
-    const url = new URL('/scores', import.meta.env.VITE_TANK_API);
-    return fetchTyped<Player[]>({url, method: 'GET'});
-}