Version 1.0.2 mit node_modules Verzeichnis

redux/actions.js

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+// /redux/actions.js
+export const connectWebSocket = (url) => ({
+  type: "WS_CONNECT",
+  payload: { url },
+});
+
+export const disconnectWebSocket = () => ({
+  type: "WS_DISCONNECT",
+});

redux/reducer.js

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+// /redux/reducer.js
+const initialState = {
+  messages: [],
+};
+
+const websocketReducer = (state = initialState, action) => {
+  switch (action.type) {
+    case "WS_MESSAGE_RECEIVED":
+      return {
+        ...state,
+        messages: [...state.messages, action.payload],
+      };
+    default:
+      return state;
+  }
+};
+
+export default websocketReducer;

redux/store.js

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+// /redux/store.js
+import { configureStore } from "@reduxjs/toolkit";
+import websocketMiddleware from "./websocketMiddleware";
+import websocketReducer from "./reducer";
+
+// Erstelle den Store mit configureStore
+const store = configureStore({
+  reducer: websocketReducer,
+  middleware: (getDefaultMiddleware) => getDefaultMiddleware().concat(websocketMiddleware),
+});
+
+export default store;

redux/websocketMiddleware.js

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+// /redux/websocketMiddleware.js
+const websocketMiddleware = () => {
+  let socket;
+
+  return ({ dispatch }) =>
+    (next) =>
+    (action) => {
+      if (action.type === "WS_CONNECT") {
+        socket = new WebSocket(action.payload.url);
+
+        socket.onmessage = (event) => {
+          const data = JSON.parse(event.data);
+          dispatch({ type: "WS_MESSAGE_RECEIVED", payload: data });
+        };
+
+        socket.onclose = () => {
+          dispatch({ type: "WS_DISCONNECTED" });
+        };
+      }
+
+      if (action.type === "WS_DISCONNECT" && socket) {
+        socket.close();
+      }
+
+      return next(action);
+    };
+};
+
+export default websocketMiddleware;