Compare commits
1 Commits
list-scroll
..
avito
| Author | SHA1 | Date | |
|---|---|---|---|
| e4d1f4fe8f |
@@ -0,0 +1,22 @@
|
||||
{
|
||||
"advertisement": [
|
||||
{
|
||||
"id":1,
|
||||
"name":"Продаю голодного кота!",
|
||||
"description":"Кот бегемот. Прокормить невозможно!",
|
||||
"url":"https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTqlWZ1N8qSUMB1HuqN6DjnXP_D5NRGNJ-W6zLZqP-Y9Q&s=10"
|
||||
},
|
||||
{
|
||||
"id":2,
|
||||
"name":"Продаю машину",
|
||||
"description":"Не бита не крашена без пробега по РФ",
|
||||
"url":"https://s0.rbk.ru/v6_top_pics/media/img/9/33/347054091401339.jpeg"
|
||||
},
|
||||
{
|
||||
"id":3,
|
||||
"name":"Продаю квартиру",
|
||||
"description":"Центр города, с видом на море.",
|
||||
"url":"https://hoff.ru/upload/medialibrary/11c/11cb47c1d2d4f248b7dde57f479f2d47.jpg"
|
||||
}
|
||||
]
|
||||
}
|
||||
Generated
+542
-792
File diff suppressed because it is too large
Load Diff
+4
-2
@@ -4,14 +4,17 @@
|
||||
"version": "0.0.0",
|
||||
"type": "module",
|
||||
"scripts": {
|
||||
"server": "json-server db.json",
|
||||
"dev": "vite",
|
||||
"build": "vite build",
|
||||
"lint": "eslint .",
|
||||
"preview": "vite preview"
|
||||
},
|
||||
"dependencies": {
|
||||
"json-server": "^1.0.0-beta.15",
|
||||
"react": "^19.1.0",
|
||||
"react-dom": "^19.1.0"
|
||||
"react-dom": "^19.1.0",
|
||||
"react-router-dom": "^7.18.0"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@eslint/js": "^9.25.0",
|
||||
@@ -22,7 +25,6 @@
|
||||
"eslint-plugin-react-hooks": "^5.2.0",
|
||||
"eslint-plugin-react-refresh": "^0.4.19",
|
||||
"globals": "^16.0.0",
|
||||
"sass-embedded": "^1.99.0",
|
||||
"vite": "^6.3.5"
|
||||
}
|
||||
}
|
||||
|
||||
-15
@@ -1,15 +0,0 @@
|
||||
.container {
|
||||
/* display: flex;
|
||||
flex-direction: column;
|
||||
flex-wrap: nowrap;*/
|
||||
height: 500px;
|
||||
overflow: auto;
|
||||
border: 1px solid black;
|
||||
}
|
||||
.item {
|
||||
font-size: 16pt;
|
||||
border: 1px dotted gray;
|
||||
/*margin: 5px 10px;
|
||||
padding: 10px;*/
|
||||
border-radius: 5px;
|
||||
}
|
||||
+5
-44
@@ -1,51 +1,12 @@
|
||||
import { useEffect, useRef, useState } from 'react';
|
||||
import styles from './App.module.scss';
|
||||
|
||||
const InfiniteList = () => {
|
||||
const [items, setItems] = useState([...Array(20).keys()]); // Initial data
|
||||
const loaderRef = useRef(null);
|
||||
|
||||
const loadMore = () => {
|
||||
setItems((prev) => [...prev, ...Array(10).keys()].map((_, i) => prev.length + i));
|
||||
};
|
||||
|
||||
useEffect(() => {
|
||||
const observer = new IntersectionObserver((entries) => {
|
||||
if (entries[0].isIntersecting) {
|
||||
loadMore(); // Load next batch when the loader is seen
|
||||
}
|
||||
});
|
||||
|
||||
if (loaderRef.current) observer.observe(loaderRef.current);
|
||||
return () => observer.disconnect();
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<ul>
|
||||
{items.map(item => <li key={item} className={ styles.item }>Item {item}</li>)}
|
||||
<div ref={loaderRef}>Loading more...</div>
|
||||
</ul>
|
||||
);
|
||||
};
|
||||
import { RouterProvider } from "react-router-dom";
|
||||
import { router } from './router'
|
||||
import Header from './components/Header/index'
|
||||
|
||||
function App() {
|
||||
const generatedBigDataSet = () => {
|
||||
return Array.from({ length: 100 }, (_, index) => ({
|
||||
id: index,
|
||||
name: `Элемент № ${index}`,
|
||||
value: Math.floor(Math.random() * 1000)
|
||||
}))
|
||||
}
|
||||
const [data] = useState(generatedBigDataSet);
|
||||
|
||||
return (
|
||||
<>
|
||||
<div>
|
||||
<h2>Визуализация большого списка</h2>
|
||||
<div className={ styles.container }>
|
||||
<InfiniteList />
|
||||
</div>
|
||||
</div>
|
||||
<Header />
|
||||
<RouterProvider router={router} />
|
||||
</>
|
||||
)
|
||||
}
|
||||
|
||||
@@ -0,0 +1,49 @@
|
||||
import styles from './index.module.css'
|
||||
import { useState, useEffect } from 'react'
|
||||
|
||||
export default function() {
|
||||
const [data,setData] = useState([]);
|
||||
const [loading, setLoading] = useState(true);
|
||||
const [error, setError] = useState(null);
|
||||
|
||||
useEffect(()=>{
|
||||
const controller = new AbortController();
|
||||
const fetchData = async () => {
|
||||
try {
|
||||
const response = await fetch('http://localhost:3000/advertisement', {
|
||||
signal: controller.signal // Link the abort signal to the fetch request
|
||||
});
|
||||
|
||||
if (!response.ok) {
|
||||
throw new Error(`HTTP error! Status: ${response.status}`);
|
||||
}
|
||||
|
||||
const result = await response.json();
|
||||
setData(result);
|
||||
} catch (err) {
|
||||
if (err.name !== 'AbortError') {
|
||||
setError(err.message);
|
||||
}
|
||||
} finally {
|
||||
setLoading(false);
|
||||
}
|
||||
};
|
||||
fetchData();
|
||||
return () => controller.abort();
|
||||
},[]);
|
||||
|
||||
return (
|
||||
<>
|
||||
<div className={styles.container}>
|
||||
{data.map(item => <div key={item.id} className={styles.card}>
|
||||
<h3>{item.name}</h3>
|
||||
<div
|
||||
className={styles.img}
|
||||
style={{backgroundImage: `url(${item.url})`}}>
|
||||
</div>
|
||||
<p>{item.description}</p>
|
||||
</div>)}
|
||||
</div>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
.container {
|
||||
display: flex;
|
||||
flex-direction: row;
|
||||
flex-wrap: wrap;
|
||||
column-gap: 10px;
|
||||
}
|
||||
.card {
|
||||
min-width: 100px;
|
||||
min-height: 200px;
|
||||
/*border: 1px solid black;*/
|
||||
border-radius: 10px;
|
||||
box-shadow: 2px 2px 5px 2px black;
|
||||
}
|
||||
.card h3 {
|
||||
text-align: center;
|
||||
}
|
||||
.card p {
|
||||
margin: 5px 10px;
|
||||
}
|
||||
.img {
|
||||
width: 200px;
|
||||
height: 200px;
|
||||
border-radius: 5px;
|
||||
background-size: cover;
|
||||
background-position: center;
|
||||
margin: 0 auto;
|
||||
}
|
||||
@@ -0,0 +1,17 @@
|
||||
import styles from './index.module.css'
|
||||
|
||||
export default function() {
|
||||
return (
|
||||
<>
|
||||
<header>
|
||||
<nav>
|
||||
<ul className={styles.container}>
|
||||
<li><a href="/">Главная</a></li>
|
||||
<li><a href="/favorite">Избранное</a></li>
|
||||
<li><a href="/profile">Профиль</a></li>
|
||||
</ul>
|
||||
</nav>
|
||||
</header>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,7 @@
|
||||
.container {
|
||||
display: flex;
|
||||
flex-direction: row;
|
||||
align-items: center;
|
||||
list-style: none;
|
||||
column-gap: 1em;
|
||||
}
|
||||
@@ -0,0 +1,7 @@
|
||||
export default function() {
|
||||
return (
|
||||
<>
|
||||
<h1>Error</h1>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,7 @@
|
||||
export default function() {
|
||||
return (
|
||||
<>
|
||||
<h1>Favorites</h1>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
import AdvList from '../components/AdvList/index'
|
||||
|
||||
export default function() {
|
||||
return (
|
||||
<>
|
||||
<h1>Main</h1>
|
||||
<div>
|
||||
<AdvList />
|
||||
</div>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,7 @@
|
||||
export default function() {
|
||||
return (
|
||||
<>
|
||||
<h1>Profile</h1>
|
||||
</>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
import { createBrowserRouter } from 'react-router-dom'
|
||||
import MainPage from './pages/Main'
|
||||
import ErrorPage from './pages/Error'
|
||||
import FavoritePage from './pages/Favorites'
|
||||
import ProfilePage from './pages/Profile'
|
||||
|
||||
export const router = createBrowserRouter([
|
||||
{
|
||||
path: "/",
|
||||
element: <MainPage />,
|
||||
errorElement: <ErrorPage />,
|
||||
children: [
|
||||
{
|
||||
path: "/",
|
||||
element: <MainPage />,
|
||||
loader: async () => fetch("/api/dashboard-data"),
|
||||
},
|
||||
]
|
||||
},
|
||||
{
|
||||
path: "/favorite",
|
||||
element: <FavoritePage />
|
||||
},
|
||||
{
|
||||
path: "/profile",
|
||||
element: <ProfilePage />
|
||||
}
|
||||
]);
|
||||
Reference in New Issue
Block a user