copied tesing folder to the main site

site/testing/features/quizSlice.tsx

@@ -0,0 +1,67 @@
+import { createSlice } from '@reduxjs/toolkit';
+import type {PayloadAction} from '@reduxjs/toolkit';
+
+function shuffle<T>(array:Array<T>):Array<T> {
+  let currentIndex = array.length;
+
+  // While there remain elements to shuffle...
+  while (currentIndex != 0) {
+
+    // Pick a remaining element...
+    let randomIndex = Math.floor(Math.random() * currentIndex);
+    currentIndex--;
+
+    // And swap it with the current element.
+    [array[currentIndex], array[randomIndex]] = [
+      array[randomIndex], array[currentIndex]];
+  }
+  return array;
+}
+
+interface ListsState {
+  lists: string[][]; // хранит перемещаемые элементы каждого списка ответов
+  correctAnswers:string[][];
+  isTestingDone:boolean
+}
+
+const initialState: ListsState = {
+   lists: [],
+   correctAnswers:[],
+   isTestingDone:false
+};
+
+const listsSlice = createSlice({
+  name: 'lists',
+  initialState,
+  reducers: {
+    addList: (state, action: PayloadAction<{index: number; items: string[]}>)=>{
+      const { index, items } = action.payload;
+      state.lists.splice(index, 1, items); 
+      state.correctAnswers.splice(index, 1, items); 
+      
+    },
+    setDraggedItems: (state, action: PayloadAction<{ index: number; items: string[] }>) => {
+        const { index, items } = action.payload;
+        if (index >= 0 && index < state.lists.length) {
+           state.lists[index] = items; // обновляем конкретный список
+        }
+    },
+    mixUp: (state) => {
+        state.lists=state.lists.map((list)=>
+        {
+          return shuffle(list); 
+        })
+    },
+    stopTesting:(state)=>{
+      state.isTestingDone=true;
+    },
+    startTesting:(state)=>{
+      state.isTestingDone=false;
+    }
+  },
+});
+
+// Экспортируем действия и редьюсер
+export const { addList, setDraggedItems,mixUp,startTesting,stopTesting } = listsSlice.actions;
+export type {ListsState}
+export default listsSlice.reducer;