Сделали несколько кастомных хуков

Сделали кастомный хук
2026-06-02 21:22:06 +03:00 · 2026-06-02 20:43:00 +03:00
8 changed files with 108 additions and 211 deletions
@@ -5,19 +5,6 @@
 		<link rel="icon" type="image/svg+xml" href="/vite.svg" />
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 		<title>Vite + React</title>
 		<style>
 			* {
 				margin: 0;
 				padding: 0;
 				box-sizing: border-box;
 				font-family: Arial, Helvetica, sans-serif;
 			}
 			body {
 				background-color: #ecfeff;
 			}
 		</style>
 	</head>
 	<body>
 		<div id="root"></div>
@@ -8,6 +8,7 @@
      "name": "store-client",
      "version": "0.0.0",
      "dependencies": {
        "@tanstack/react-query": "^5.100.14",
        "react": "^19.1.0",
        "react-dom": "^19.1.0"
      },
@@ -20,7 +21,6 @@
        "eslint-plugin-react-hooks": "^5.2.0",
        "eslint-plugin-react-refresh": "^0.4.19",
        "globals": "^16.0.0",
        "react-icons": "^5.6.0",
        "vite": "^6.3.5"
      }
    },
@@ -1305,6 +1305,32 @@
        "win32"
      ]
    },
    "node_modules/@tanstack/query-core": {
      "version": "5.100.14",
      "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.100.14.tgz",
      "integrity": "sha512-5X41dGpxgeaHISCRW2oYwcSycZeULZzAunaudXT9ov1KOTj9xwt0CH6hbwqP1/z74ZWF7rYFnDpyYH07XFcZew==",
      "license": "MIT",
      "funding": {
        "type": "github",
        "url": "https://github.com/sponsors/tannerlinsley"
      }
    },
    "node_modules/@tanstack/react-query": {
      "version": "5.100.14",
      "resolved": "https://registry.npmjs.org/@tanstack/react-query/-/react-query-5.100.14.tgz",
      "integrity": "sha512-oOr6aRdSFEwWhzxEkD/9ZcItM3+LjBSkeVmadWKwUssAHTsqd/7bOjWrX4AbvEkoEhgAxzN0Xk6H/aYzXiYBAw==",
      "license": "MIT",
      "dependencies": {
        "@tanstack/query-core": "5.100.14"
      },
      "funding": {
        "type": "github",
        "url": "https://github.com/sponsors/tannerlinsley"
      },
      "peerDependencies": {
        "react": "^18 || ^19"
      }
    },
    "node_modules/@types/babel__core": {
      "version": "7.20.5",
      "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -2462,16 +2488,6 @@
        "react": "^19.1.0"
      }
    },
    "node_modules/react-icons": {
      "version": "5.6.0",
      "resolved": "https://registry.npmjs.org/react-icons/-/react-icons-5.6.0.tgz",
      "integrity": "sha512-RH93p5ki6LfOiIt0UtDyNg/cee+HLVR6cHHtW3wALfo+eOHTp8RnU2kRkI6E+H19zMIs03DyxUG/GfZMOGvmiA==",
      "dev": true,
      "license": "MIT",
      "peerDependencies": {
        "react": "*"
      }
    },
    "node_modules/react-refresh": {
      "version": "0.17.0",
      "resolved": "https://registry.npmjs.org/react-refresh/-/react-refresh-0.17.0.tgz",
@@ -10,6 +10,7 @@
    "preview": "vite preview"
  },
  "dependencies": {
    "@tanstack/react-query": "^5.100.14",
    "react": "^19.1.0",
    "react-dom": "^19.1.0"
  },
@@ -22,7 +23,6 @@
    "eslint-plugin-react-hooks": "^5.2.0",
    "eslint-plugin-react-refresh": "^0.4.19",
    "globals": "^16.0.0",
    "react-icons": "^5.6.0",
    "vite": "^6.3.5"
  }
 }
@@ -1,72 +1,93 @@
-import styles from './App.module.css'
+import React, {useState, useEffect, useRef } from 'react'
-import SneakersImage from './assets/images/sneakers-image.jpg'
+//import { useQuery } from '@tanstack/react-query'
 import { FaRegUser } from 'react-icons/fa'
-function handleClick(i) {
+function useWindowWidth() {
-    console.log(i);
+    const [width,setWidth] = useState(window.innerWidth)
    useEffect(() => {
        const handleResize = () => setWidth(window.innerWidth);
        window.addEventListener('resize',handleResize);
        return () => window.removeEventListener('resize',handleResize);
    },[])
    return width
 }
-function Header() {
+function useLocalStorage(key, initValue) {
-    const handleChange = event => {
+    const [value, setValue] = useState(()=>{
-        const newValue = event.target.value;
+        const stored = localStorage.getItem(key);
-        console.log(`Новое значение ${newValue}`);
+        return stored !== null ? JSON.parse(stored) : initValue
    })
    useEffect(() => {
        localStorage.setItem(key, JSON.stringify(value))
    },[key, value])
    return [value,setValue]
 }
-    return (
+/*
-		<header className={styles.header}>
+function useUserData(userId) {
-			<div>
+    return useQuery(
-				<h2>Store</h2>
+        ['user',userId],
-				<input type='text	' placeholder='Search...' onChange={handleChange} />
+        () => fetch(`/api/user/${userId}`).then(res => res.json()),
-			</div>
+        {refetchOnWindowFocus: false}
 			<div>
 				<FaRegUser size={24} color='#3258e3' />
 				<button>Profile</button>
 			</div>
 		</header>
    )
 }*/
 function useInput(initValue, validate) {
    const [value, setValue] = useState(initValue);
    const [error, setError] = useState(null);
    const onChange = e => {
        const newValue = e.target.value
        setValue(newValue)
        if (validate) {
            const validationResult = validate(newValue)
            setError(validationResult)
        }
    }
-function Product() {
+    return { value, error, onChange }
    const handlerMouseEnter = event => {
        const img = event.target;
        img.style.border = '5px solid yellow';
 }
-    const handlerMouseOut = event => {
+
-        const img = event.target;
+function useInterval(callback, delay) {
-        img.style.border = '';
+    const savedCallback = useRef()
-        console.log(event);
+    
-    }
+    useEffect(()=>{
-	return (
+        savedCallback.current = callback
-		<div className={styles.product}>
+    },[callback]);
-			<img src={SneakersImage} alt='' onMouseEnter={handlerMouseEnter} onMouseOut={handlerMouseOut} />
+    
-			<div className={styles.content}>
+    useEffect(()=>{
-				<div className={styles.title}>
+        if (delay == null) return
-					<h4>Sneakers Red & White 2025</h4>
+        const id = setInterval(()=>{
-					<button onClick={() => handleClick(0)} onMouseEnter={handlerMouseEnter} onMouseOut={handlerMouseOut}>+</button>
+            savedCallback.current()
-				</div>
+        },delay);
-				<p className={styles.description}>NIKE</p>
+        return () => clearInterval(id);
-				<p className={styles.price}>$38.00</p>
+    },[delay])
 			</div>
 		</div>
 	)
 }
 function App() {
    const width = useWindowWidth();
    const [theme, setTheme] = useLocalStorage('theme','light');
    const username = useInput(
        '',
        value => value.length < 3 ? 'минимум 3 символа' : null
    )
 	return (
 		<>
-			<div className={styles.container}>
+			<h1>Hello, React!{width}</h1>
-			<Header />
+            <button onClick={()=>{
-				<ul className={styles.list}>
+                setTheme(theme === 'light' ? 'dark' : 'light')
-					<li>
+            }}>
-						<Product />
+                Сменить тему
-					</li>
+            </button>
-					<li>
+            <p><input type="text" 
-						<Product />
+                value={username.value} 
-					</li>
+                onChange={username.onChange} />
-					<li>
+                { username.error ? username.error : '' }
-						<Product />
+            </p>
 					</li>
 				</ul>
 			</div>
 		</>
 	)
 }
@@ -1,123 +0,0 @@
@use './assets/styles/variables' as *;
 .header {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	padding: 20px;
 	background-color: white;
 	border-bottom-left-radius: 10px;
 	border-bottom-right-radius: 10px;
 	div {
 		&:first-child {
 			display: flex;
 			align-items: center;
 			gap: 20px;
 			h2 {
 				color: $primary-color;
 			}
 			input {
 				border-radius: 5px;
 				outline: none;
 				font-size: 16px;
 				border: 1px solid gainsboro;
 				padding: 5px 10px;
 				&:focus {
 					border: 1px solid $primary-color;
 				}
 			}
 		}
 		&:last-child {
 			display: flex;
 			align-items: center;
 			gap: 10px;
 			button {
 				outline: 0;
 				border: 0;
 				border-radius: 5px;
 				padding: 5px 15px;
 				font-size: 16px;
 				background-color: $primary-color;
 				color: $white-color;
 				font-weight: 600;
 				cursor: pointer;
 				&:hover {
 					background-color: $seconday-color;
 				}
 			}
 		}
 	}
 }
 .container {
 	max-width: 1220px;
 	margin: 0 auto;
 }
 .list {
 	display: flex;
 	justify-content: space-between;
 	border-radius: 10px;
 	margin-top: 100px; /* временно */
 	padding: 20px;
 	background-color: white;
 	list-style: none;
 }
 .product {
 	display: flex;
 	flex-direction: column;
 	width: 350px;
 	gap: 20px;
 	border-radius: 10px;
 }
 .content {
 	display: flex;
 	flex-direction: column;
 	gap: 10px;
 }
 .title {
 	display: flex;
 	justify-content: space-between;
 	align-items: center;
 	h4 {
 		font-size: 18px;
 	}
 	button {
 		background-color: black;
 		color: white;
 		border: 0;
 		border-radius: 50%;
 		outline: 0;
 		font-size: 20px;
 		padding: 5px 10px;
 		cursor: pointer;
 	}
 }
 img {
 	border-radius: 10px;
 }
 .description {
 	color: gray;
 }
 .price {
 	font-weight: bold;
 }
@@ -1,5 +0,0 @@
 $white-color: white;
 $black-color: black;
 $primary-color: #3258e3;
 $seconday-color: #4432e3;
@@ -1,5 +1,6 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
 // удаляем import './index.css'
 import App from './App.jsx'
 createRoot(document.getElementById('root')).render(
Author	SHA1	Message	Date
laktionov-as	35431f57d9	Сделали несколько кастомных хуков	2026-06-02 21:22:06 +03:00
laktionov-as	8a15a26ff6	Сделали кастомный хук	2026-06-02 20:43:00 +03:00