feat: Improving page loading

src/pages/Article/ArticlePreviewPage/index.tsx

@@ -1,9 +1,9 @@
 import { useNavigate, useParams } from "react-router-dom";
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
 import { Box } from "@mui/material";
 import { PreviewLeftWidget } from "./PreviewLeftWidget";
 import { PreviewRightWidget } from "./PreviewRightWidget";
-import { articlesStore, languageStore } from "@shared";
+import { articlesStore, languageStore, LoadingSpinner } from "@shared";
 import { ArrowLeft } from "lucide-react";
 
 export const ArticlePreviewPage = () => {
@@ -11,18 +11,41 @@ export const ArticlePreviewPage = () => {
   const { id } = useParams();
   const { getArticle, getArticleMedia, getArticlePreview } = articlesStore;
   const { language } = languageStore;
+  const [isLoadingData, setIsLoadingData] = useState(true);
 
   useEffect(() => {
     const fetchData = async () => {
       if (id) {
-        await getArticle(Number(id), language);
-        await getArticleMedia(Number(id));
-        await getArticlePreview(Number(id));
+        setIsLoadingData(true);
+        try {
+          await getArticle(Number(id), language);
+          await getArticleMedia(Number(id));
+          await getArticlePreview(Number(id));
+        } finally {
+          setIsLoadingData(false);
+        }
+      } else {
+        setIsLoadingData(false);
       }
     };
     fetchData();
   }, [id, language]);
 
+  if (isLoadingData) {
+    return (
+      <Box
+        sx={{
+          display: "flex",
+          justifyContent: "center",
+          alignItems: "center",
+          minHeight: "60vh",
+        }}
+      >
+        <LoadingSpinner message="Загрузка данных статьи..." />
+      </Box>
+    );
+  }
+
   return (
     <>
       <div className="flex items-center gap-4 mb-10">