Listgroup, Fragment, Event, State, Props, Children

This commit is contained in:
hoelee 2024-08-09 20:30:30 +08:00
parent 9fb34cffdf
commit 915d499c18
11 changed files with 173 additions and 148 deletions

9
.prettierignore Normal file
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@ -0,0 +1,9 @@
node_modules
package.json
img
artifacts
cache
coverage
.env
.*
README.md

6
.prettierrc Normal file
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44
package-lock.json generated
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@ -8,6 +8,8 @@
"name": "react-front-end",
"version": "0.0.0",
"dependencies": {
"bootstrap": "^5.3.3",
"prettier": "^3.3.3",
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
@ -714,6 +716,16 @@
"@jridgewell/sourcemap-codec": "^1.4.14"
}
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"peer": true,
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"url": "https://opencollective.com/popperjs"
}
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"resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.12.tgz",
@ -770,6 +782,24 @@
"node": ">=4"
}
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"resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-5.3.3.tgz",
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"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/twbs"
},
{
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"url": "https://opencollective.com/bootstrap"
}
],
"peerDependencies": {
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}
},
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"version": "4.23.3",
"resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.23.3.tgz",
@ -1107,6 +1137,20 @@
"node": "^10 || ^12 || >=14"
}
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"version": "18.3.1",
"resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",

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@ -9,6 +9,8 @@
"preview": "vite preview"
},
"dependencies": {
"bootstrap": "^5.3.3",
"prettier": "^3.3.3",
"react": "^18.2.0",
"react-dom": "^18.2.0"
},
@ -19,4 +21,4 @@
"typescript": "^4.9.3",
"vite": "^4.1.0"
}
}
}

17
src/Alert.tsx Normal file
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import React, { ReactNode } from "react";
interface Props {
children: ReactNode;
}
const Alert = ({ children }: Props) => {
return (
<>
<div className="alert alert-danger" role="alert">
{children}
</div>
</>
);
};
export default Alert;

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@ -1,42 +0,0 @@
#root {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
text-align: center;
}
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
filter: drop-shadow(0 0 2em #61dafbaa);
}
@keyframes logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
@media (prefers-reduced-motion: no-preference) {
a:nth-of-type(2) .logo {
animation: logo-spin infinite 20s linear;
}
}
.card {
padding: 2em;
}
.read-the-docs {
color: #888;
}

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@ -1,34 +1,30 @@
import { useState } from 'react'
import reactLogo from './assets/react.svg'
import './App.css'
import Alert from "./Alert";
import Message from "./Message";
import ListGroup from "./components/ListGroup";
function App() {
const [count, setCount] = useState(0)
let items = ["Orange", "Apple", "Watermelon", "Banana", "Durian"];
return (
<div className="App">
<div>
<a href="https://vitejs.dev" target="_blank">
<img src="/vite.svg" className="logo" alt="Vite logo" />
</a>
<a href="https://reactjs.org" target="_blank">
<img src={reactLogo} className="logo react" alt="React logo" />
</a>
</div>
<h1>Vite + React</h1>
<div className="card">
<button onClick={() => setCount((count) => count + 1)}>
count is {count}
</button>
<p>
Edit <code>src/App.tsx</code> and save to test HMR
</p>
</div>
<p className="read-the-docs">
Click on the Vite and React logos to learn more
</p>
</div>
)
const handleSelectItem = (item: string) => {
console.log("Clicked index", item);
};
return (
<>
<div>
<Alert>
<b>HTML</b> Pass in from <span>App</span>
</Alert>
</div>
<div>
<ListGroup
items={items}
heading="Hoelee"
onSelectItem={handleSelectItem}
/>
</div>
</>
);
}
export default App
export default App;

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src/Message.tsx Normal file
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function Message() {
let name = "Hoelee";
// JSX: JavaScript XML
if (name) return <h1>Hello World From {name}</h1>;
else return <h1>Hello There!</h1>;
}
export default Message;

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import { Fragment, MouseEvent, useState } from "react";
interface Props {
items: string[];
heading: string;
// (item: string) => void
onSelectItem: (item: string) => void;
}
function ListGroup({ items, heading, onSelectItem }: Props) {
let itemsLocal = ["Orange", "Apple", "Watermelon", "Banana", "Durian"];
// Hook For State
const [selectedIndex, setSelectedIndex] = useState(-1);
const emptyMsg = items.length === 0 ? <p>No item found</p> : null;
const getEmptyMessage = () => {
return emptyMsg;
};
// Event Handler
const handleClick = (event: MouseEvent, index: number) => {
console.log(event);
console.log("Clicked", items[index], "at index", index);
setSelectedIndex(index);
onSelectItem(items[index]); // Call the onSelectItem callback with the selected item
};
return (
<>
<h1>{heading}</h1>
{getEmptyMessage()}
{items.length === 0 && <p>No item found</p>}
<ul className="list-group">
{items.map((item, index) => (
<li
className={
selectedIndex === index
? "list-group-item active"
: "list-group-item"
}
key={item}
onClick={(event) => handleClick(event, index)}
>
{item}
</li>
))}
</ul>
</>
);
}
export default ListGroup;

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@ -1,69 +0,0 @@
:root {
font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-text-size-adjust: 100%;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
h1 {
font-size: 3.2em;
line-height: 1.1;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
}

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@ -1,10 +1,10 @@
import React from 'react'
import ReactDOM from 'react-dom/client'
import App from './App'
import './index.css'
import React from "react";
import ReactDOM from "react-dom/client";
import App from "./App";
import "bootstrap/dist/css/bootstrap.min.css";
ReactDOM.createRoot(document.getElementById('root') as HTMLElement).render(
ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(
<React.StrictMode>
<App />
</React.StrictMode>,
)
</React.StrictMode>
);