feat: Initialize FrontendV2 project with React, Vite, and Tailwind CSS

- Add package.json with dependencies and scripts for development and build
- Include Vite logo and React logo SVGs in public/assets
- Set up Tailwind CSS in App.css and index.css
- Create main App component with routing for Home and Login pages
- Implement LoginPage with authentication logic and error handling
- Add HomePage component as a landing page
- Create MyAlert component for displaying alerts using Chakra UI
- Implement color mode toggle functionality with Chakra UI
- Set up global state management using Jotai for authentication
- Create ProtectedRoutes component to guard routes based on authentication
- Add utility components for Toaster and Tooltip using Chakra UI
- Configure Tailwind CSS and TypeScript settings for the project
- Implement AddLoan component for selecting loan periods and fetching available items
This commit is contained in:
2025-10-24 20:21:32 +02:00
parent 86af1a5edf
commit b99f52f09a
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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

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FROM node:20-alpine
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 8001
CMD ["npm", "run", "dev"]

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# React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react) uses [Babel](https://babeljs.io/) (or [oxc](https://oxc.rs) when used in [rolldown-vite](https://vite.dev/guide/rolldown)) for Fast Refresh
- [@vitejs/plugin-react-swc](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react-swc) uses [SWC](https://swc.rs/) for Fast Refresh
## React Compiler
The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see [this documentation](https://react.dev/learn/react-compiler/installation).
## Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
```js
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
```
You can also install [eslint-plugin-react-x](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-x) and [eslint-plugin-react-dom](https://github.com/Rel1cx/eslint-react/tree/main/packages/plugins/eslint-plugin-react-dom) for React-specific lint rules:
```js
// eslint.config.js
import reactX from 'eslint-plugin-react-x'
import reactDom from 'eslint-plugin-react-dom'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
```

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import js from '@eslint/js'
import globals from 'globals'
import reactHooks from 'eslint-plugin-react-hooks'
import reactRefresh from 'eslint-plugin-react-refresh'
import tseslint from 'typescript-eslint'
import { defineConfig, globalIgnores } from 'eslint/config'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
js.configs.recommended,
tseslint.configs.recommended,
reactHooks.configs['recommended-latest'],
reactRefresh.configs.vite,
],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
},
},
])

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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>frontendv2</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>

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{
"name": "admin",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc -b && vite build",
"lint": "eslint .",
"preview": "vite preview"
},
"dependencies": {
"@chakra-ui/react": "^3.28.0",
"@emotion/react": "^11.14.0",
"@tailwindcss/vite": "^4.1.11",
"@tanstack/react-query": "^5.85.5",
"jotai": "^2.15.0",
"js-cookie": "^3.0.5",
"lucide-react": "^0.539.0",
"next-themes": "^0.4.6",
"primeicons": "^7.0.0",
"primereact": "^10.9.6",
"react": "^19.1.1",
"react-dom": "^19.1.1",
"react-icons": "^5.5.0",
"react-router-dom": "^7.8.0",
"react-toastify": "^11.0.5",
"split-lines": "^3.0.0",
"tailwind-merge": "^3.3.1",
"tailwindcss": "^4.1.11",
"tailwindcss-animate": "^1.0.7",
"tw-animate-css": "^1.3.5",
"vite-plugin-svgr": "^4.3.0"
},
"devDependencies": {
"@eslint/js": "^9.32.0",
"@types/js-cookie": "^3.0.6",
"@types/react": "^19.1.9",
"@types/react-dom": "^19.1.7",
"@vitejs/plugin-react": "^4.7.0",
"eslint": "^9.32.0",
"eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.20",
"globals": "^16.3.0",
"typescript": "~5.8.3",
"typescript-eslint": "^8.39.0",
"vite": "^7.1.0",
"vite-tsconfig-paths": "^5.1.4"
}
}

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@import "tailwindcss";

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import "./App.css";
import { LoginPage } from "@/pages/LoginPage";
import { BrowserRouter, Route, Routes } from "react-router-dom";
import { HomePage } from "@/pages/HomePage";
import { ProtectedRoutes } from "./utils/ProtectedRoutes";
const API_BASE =
(import.meta as any).env?.VITE_BACKEND_URL ||
import.meta.env.VITE_BACKEND_URL ||
"http://localhost:8002";
function App() {
return (
<>
<div>Layout Component</div>
<BrowserRouter>
<Routes>
<Route element={<ProtectedRoutes />}>
<Route path="/" element={<HomePage />} />
</Route>
<Route path="/login" element={<LoginPage />} />
</Routes>
</BrowserRouter>
</>
);
}
export default App;

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import React from "react";
import { Alert } from "@chakra-ui/react";
type MyAlertProps = {
status: "error" | "success";
title: string;
description: string;
};
const MyAlert: React.FC<MyAlertProps> = ({ title, description, status }) => {
return (
<Alert.Root status={status}>
<Alert.Indicator />
<Alert.Content>
<Alert.Title>{title}</Alert.Title>
<Alert.Description>{description}</Alert.Description>
</Alert.Content>
</Alert.Root>
);
};
export default MyAlert;

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"use client"
import type { IconButtonProps, SpanProps } from "@chakra-ui/react"
import { ClientOnly, IconButton, Skeleton, Span } from "@chakra-ui/react"
import { ThemeProvider, useTheme } from "next-themes"
import type { ThemeProviderProps } from "next-themes"
import * as React from "react"
import { LuMoon, LuSun } from "react-icons/lu"
export interface ColorModeProviderProps extends ThemeProviderProps {}
export function ColorModeProvider(props: ColorModeProviderProps) {
return (
<ThemeProvider attribute="class" disableTransitionOnChange {...props} />
)
}
export type ColorMode = "light" | "dark"
export interface UseColorModeReturn {
colorMode: ColorMode
setColorMode: (colorMode: ColorMode) => void
toggleColorMode: () => void
}
export function useColorMode(): UseColorModeReturn {
const { resolvedTheme, setTheme, forcedTheme } = useTheme()
const colorMode = forcedTheme || resolvedTheme
const toggleColorMode = () => {
setTheme(resolvedTheme === "dark" ? "light" : "dark")
}
return {
colorMode: colorMode as ColorMode,
setColorMode: setTheme,
toggleColorMode,
}
}
export function useColorModeValue<T>(light: T, dark: T) {
const { colorMode } = useColorMode()
return colorMode === "dark" ? dark : light
}
export function ColorModeIcon() {
const { colorMode } = useColorMode()
return colorMode === "dark" ? <LuMoon /> : <LuSun />
}
interface ColorModeButtonProps extends Omit<IconButtonProps, "aria-label"> {}
export const ColorModeButton = React.forwardRef<
HTMLButtonElement,
ColorModeButtonProps
>(function ColorModeButton(props, ref) {
const { toggleColorMode } = useColorMode()
return (
<ClientOnly fallback={<Skeleton boxSize="9" />}>
<IconButton
onClick={toggleColorMode}
variant="ghost"
aria-label="Toggle color mode"
size="sm"
ref={ref}
{...props}
css={{
_icon: {
width: "5",
height: "5",
},
}}
>
<ColorModeIcon />
</IconButton>
</ClientOnly>
)
})
export const LightMode = React.forwardRef<HTMLSpanElement, SpanProps>(
function LightMode(props, ref) {
return (
<Span
color="fg"
display="contents"
className="chakra-theme light"
colorPalette="gray"
colorScheme="light"
ref={ref}
{...props}
/>
)
},
)
export const DarkMode = React.forwardRef<HTMLSpanElement, SpanProps>(
function DarkMode(props, ref) {
return (
<Span
color="fg"
display="contents"
className="chakra-theme dark"
colorPalette="gray"
colorScheme="dark"
ref={ref}
{...props}
/>
)
},
)

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"use client"
import { ChakraProvider, defaultSystem } from "@chakra-ui/react"
import {
ColorModeProvider,
type ColorModeProviderProps,
} from "./color-mode"
export function Provider(props: ColorModeProviderProps) {
return (
<ChakraProvider value={defaultSystem}>
<ColorModeProvider {...props} />
</ChakraProvider>
)
}

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"use client"
import {
Toaster as ChakraToaster,
Portal,
Spinner,
Stack,
Toast,
createToaster,
} from "@chakra-ui/react"
export const toaster = createToaster({
placement: "bottom-end",
pauseOnPageIdle: true,
})
export const Toaster = () => {
return (
<Portal>
<ChakraToaster toaster={toaster} insetInline={{ mdDown: "4" }}>
{(toast) => (
<Toast.Root width={{ md: "sm" }}>
{toast.type === "loading" ? (
<Spinner size="sm" color="blue.solid" />
) : (
<Toast.Indicator />
)}
<Stack gap="1" flex="1" maxWidth="100%">
{toast.title && <Toast.Title>{toast.title}</Toast.Title>}
{toast.description && (
<Toast.Description>{toast.description}</Toast.Description>
)}
</Stack>
{toast.action && (
<Toast.ActionTrigger>{toast.action.label}</Toast.ActionTrigger>
)}
{toast.closable && <Toast.CloseTrigger />}
</Toast.Root>
)}
</ChakraToaster>
</Portal>
)
}

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import { Tooltip as ChakraTooltip, Portal } from "@chakra-ui/react"
import * as React from "react"
export interface TooltipProps extends ChakraTooltip.RootProps {
showArrow?: boolean
portalled?: boolean
portalRef?: React.RefObject<HTMLElement | null>
content: React.ReactNode
contentProps?: ChakraTooltip.ContentProps
disabled?: boolean
}
export const Tooltip = React.forwardRef<HTMLDivElement, TooltipProps>(
function Tooltip(props, ref) {
const {
showArrow,
children,
disabled,
portalled = true,
content,
contentProps,
portalRef,
...rest
} = props
if (disabled) return children
return (
<ChakraTooltip.Root {...rest}>
<ChakraTooltip.Trigger asChild>{children}</ChakraTooltip.Trigger>
<Portal disabled={!portalled} container={portalRef}>
<ChakraTooltip.Positioner>
<ChakraTooltip.Content ref={ref} {...contentProps}>
{showArrow && (
<ChakraTooltip.Arrow>
<ChakraTooltip.ArrowTip />
</ChakraTooltip.Arrow>
)}
{content}
</ChakraTooltip.Content>
</ChakraTooltip.Positioner>
</Portal>
</ChakraTooltip.Root>
)
},
)

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@import "tailwindcss";

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import { Provider } from "@/components/ui/provider";
import { StrictMode } from "react";
import { createRoot } from "react-dom/client";
import "./index.css";
import App from "./App.tsx";
createRoot(document.getElementById("root")!).render(
<StrictMode>
<Provider>
<App />
</Provider>
</StrictMode>
);

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export const HomePage = () => {
return (
<div>
<h1>Home Page</h1>
</div>
);
};

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import { useState } from "react";
import MyAlert from "../components/myChakra/MyAlert";
import { Button, Card, Field, Input, Stack } from "@chakra-ui/react";
import { setIsLoggedInAtom } from "@/states/Atoms";
import { useAtom } from "jotai";
import { useEffect } from "react";
import Cookies from "js-cookie";
const API_BASE =
(import.meta as any).env?.VITE_BACKEND_URL ||
import.meta.env.VITE_BACKEND_URL ||
"http://localhost:8002";
export const LoginPage = () => {
const [isLoggedIn, setIsLoggedIn] = useAtom(setIsLoggedInAtom);
useEffect(() => {
if (isLoggedIn) {
window.location.href = "/";
}
}, [isLoggedIn]);
const loginFnc = async (username: string, password: string) => {
const response = await fetch(`${API_BASE}/api/login`, {
method: "POST",
headers: {
"Content-Type": "application/json",
},
body: JSON.stringify({ username, password }),
});
const data = await response.json();
if (!response.ok) {
const errorData = await response.json();
return {
success: false,
message: errorData.message,
description: errorData.description,
};
}
Cookies.set("token", data.token);
setIsLoggedIn(true);
return { success: true };
};
const [username, setUsername] = useState("");
const [password, setPassword] = useState("");
const [isError, setIsError] = useState(false);
const [errorMsg, setErrorMsg] = useState("");
const [errorDsc, setErrorDsc] = useState("");
const handleLogin = async () => {
const result = await loginFnc(username, password);
if (!result.success) {
setErrorMsg(result.message);
setErrorDsc(result.description);
setIsError(true);
return;
}
};
return (
<div className="min-h-screen flex items-center justify-center p-4">
<form onSubmit={(e) => e.preventDefault()}>
<Card.Root maxW="sm">
<Card.Header>
<Card.Title>Login</Card.Title>
<Card.Description>
Bitte unten Ihre Zugangsdaten eingeben.
</Card.Description>
</Card.Header>
<Card.Body>
<Stack gap="4" w="full">
<Field.Root>
<Field.Label>username</Field.Label>
<Input
value={username}
onChange={(e) => setUsername(e.target.value)}
/>
</Field.Root>
<Field.Root>
<Field.Label>password</Field.Label>
<Input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
/>
</Field.Root>
</Stack>
</Card.Body>
<Card.Footer justifyContent="flex-end">
{isError && (
<MyAlert status="error" title={errorMsg} description={errorDsc} />
)}
<Button type="submit" onClick={() => handleLogin()} variant="solid">
Login
</Button>
</Card.Footer>
</Card.Root>
</form>
</div>
);
};

View File

@@ -0,0 +1,4 @@
import { atom } from "jotai";
export const testAtom = atom<number>(0);
export const setIsLoggedInAtom = atom<boolean>(false);

View File

@@ -0,0 +1,36 @@
# How to use Atoms
Atoms are the fundamental building blocks of state management in this system. They represent individual pieces of state that can be shared and manipulated across different components.
You can also name it global state.
## Creating an Atom
to create an atom you have to declare an atom like this:
```ts
import { atom } from 'jotai';
export const NAME_OF_YOUR_ATOM = atom<type_of_your_atom>(initial_value);
```
In this project we declare all atoms in the `states/Atoms.tsx`file. Which you can find above this README file.
## Using an Atom
To use an atom in your component, you can use the `useAtom` hook provided by Jotai. Here's an example of how to use an atom in a React component:
```tsx
import { useAtom } from 'jotai';
import { NAME_OF_YOUR_ATOM } from '@/states/Atoms';
const MyComponent = () => {
const [value, setValue] = useAtom(NAME_OF_YOUR_ATOM);
return (
<div>
<p>Current value: {value}</p>
<button onClick={() => setValue(newValue)}>Update Value</button>
</div>
);
};
```
As you can see, you can use `useAtom` like `useState` but the state is global. In this example `value` is the current state of the atom, and `setValue` is a function to update the state, which is also known as the setter function.

View File

@@ -0,0 +1,37 @@
import { Outlet, Navigate } from "react-router-dom";
import { useAtom } from "jotai";
import { setIsLoggedInAtom } from "@/states/Atoms";
import { useEffect } from "react";
import Cookies from "js-cookie";
const API_BASE =
(import.meta as any).env?.VITE_BACKEND_URL ||
import.meta.env.VITE_BACKEND_URL ||
"http://localhost:8002";
export const ProtectedRoutes = () => {
const [isLoggedIn, setIsLoggedIn] = useAtom(setIsLoggedInAtom);
useEffect(() => {
if (Cookies.get("token")) {
const verifyToken = async () => {
const response = await fetch(`${API_BASE}/api/verifyToken`, {
method: "GET",
headers: {
Authorization: `Bearer ${Cookies.get("token")}`,
},
});
if (response.ok) {
setIsLoggedIn(true);
} else {
Cookies.remove("token");
setIsLoggedIn(false);
window.location.reload();
}
};
verifyToken();
}
}, []);
return isLoggedIn ? <Outlet /> : <Navigate to="/login" />;
};

View File

@@ -0,0 +1,11 @@
module.exports = {
content: [
"./index.html",
"./src/**/*.{js,jsx,ts,tsx}",
// add other paths if needed
],
theme: {
extend: {},
},
plugins: [],
};

View File

@@ -0,0 +1,33 @@
{
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
"target": "ES2022",
"useDefineForClassFields": true,
"lib": ["ES2022", "DOM", "DOM.Iterable"],
"module": "ESNext",
"types": ["vite/client"],
"skipLibCheck": true,
/* Bundler mode */
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"verbatimModuleSyntax": true,
"moduleDetection": "force",
"noEmit": true,
"jsx": "react-jsx",
/* Linting */
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"erasableSyntaxOnly": true,
"noFallthroughCasesInSwitch": true,
"noUncheckedSideEffectImports": true,
/* Path aliases */
"paths": {
"@/*": ["./src/*"]
}
},
"include": ["src"]
}

7
FrontendV2/tsconfig.json Normal file
View File

@@ -0,0 +1,7 @@
{
"files": [],
"references": [
{ "path": "./tsconfig.app.json" },
{ "path": "./tsconfig.node.json" }
]
}

View File

@@ -0,0 +1,26 @@
{
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
"target": "ES2023",
"lib": ["ES2023"],
"module": "ESNext",
"types": ["node"],
"skipLibCheck": true,
/* Bundler mode */
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"verbatimModuleSyntax": true,
"moduleDetection": "force",
"noEmit": true,
/* Linting */
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"erasableSyntaxOnly": true,
"noFallthroughCasesInSwitch": true,
"noUncheckedSideEffectImports": true
},
"include": ["vite.config.ts"]
}

16
FrontendV2/vite.config.ts Normal file
View File

@@ -0,0 +1,16 @@
import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
import svgr from "vite-plugin-svgr";
import tailwindcss from "@tailwindcss/vite";
import tsconfigPaths from "vite-tsconfig-paths";
export default defineConfig({
plugins: [react(), svgr(), tailwindcss(), tsconfigPaths()],
server: {
host: "0.0.0.0",
port: 8001,
watch: {
usePolling: true,
},
},
});

View File

@@ -4322,13 +4322,13 @@
} }
}, },
"node_modules/tinyglobby": { "node_modules/tinyglobby": {
"version": "0.2.14", "version": "0.2.15",
"resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.14.tgz", "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",
"integrity": "sha512-tX5e7OM1HnYr2+a2C/4V0htOcSQcoSTH9KgJnVvNm5zm/cyEWKJ7j7YutsH9CxMdtOkkLFy2AHrMci9IM8IPZQ==", "integrity": "sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==",
"license": "MIT", "license": "MIT",
"dependencies": { "dependencies": {
"fdir": "^6.4.4", "fdir": "^6.5.0",
"picomatch": "^4.0.2" "picomatch": "^4.0.3"
}, },
"engines": { "engines": {
"node": ">=12.0.0" "node": ">=12.0.0"
@@ -4499,17 +4499,17 @@
} }
}, },
"node_modules/vite": { "node_modules/vite": {
"version": "7.1.2", "version": "7.1.12",
"resolved": "https://registry.npmjs.org/vite/-/vite-7.1.2.tgz", "resolved": "https://registry.npmjs.org/vite/-/vite-7.1.12.tgz",
"integrity": "sha512-J0SQBPlQiEXAF7tajiH+rUooJPo0l8KQgyg4/aMunNtrOa7bwuZJsJbDWzeljqQpgftxuq5yNJxQ91O9ts29UQ==", "integrity": "sha512-ZWyE8YXEXqJrrSLvYgrRP7p62OziLW7xI5HYGWFzOvupfAlrLvURSzv/FyGyy0eidogEM3ujU+kUG1zuHgb6Ug==",
"license": "MIT", "license": "MIT",
"dependencies": { "dependencies": {
"esbuild": "^0.25.0", "esbuild": "^0.25.0",
"fdir": "^6.4.6", "fdir": "^6.5.0",
"picomatch": "^4.0.3", "picomatch": "^4.0.3",
"postcss": "^8.5.6", "postcss": "^8.5.6",
"rollup": "^4.43.0", "rollup": "^4.43.0",
"tinyglobby": "^0.2.14" "tinyglobby": "^0.2.15"
}, },
"bin": { "bin": {
"vite": "bin/vite.js" "vite": "bin/vite.js"

View File

@@ -1,9 +1,7 @@
import "./App.css"; import "./App.css";
import Layout from "./layout/Layout"; import Layout from "./layout/Layout";
import { useEffect, useState } from "react"; import { useEffect, useState } from "react";
import Form1 from "./components/Form1"; import { AddLoan } from "./components/AddLoan";
import Form2 from "./components/Form2";
import Form4 from "./components/Form4";
import LoginForm from "./components/LoginForm"; import LoginForm from "./components/LoginForm";
import Cookies from "js-cookie"; import Cookies from "js-cookie";
import { import {
@@ -46,13 +44,7 @@ function App() {
return isLoggedIn ? ( return isLoggedIn ? (
<Layout onLogout={handleLogout}> <Layout onLogout={handleLogout}>
<div className="space-y-6"> <AddLoan />
<Form1 />
<div className="h-px bg-slate-200" />
<Form2 />
<div className="h-px bg-slate-200" />
<Form4 />
</div>
</Layout> </Layout>
) : ( ) : (
<LoginForm onLogin={() => setIsLoggedIn(true)} /> <LoginForm onLogin={() => setIsLoggedIn(true)} />

View File

@@ -0,0 +1,6 @@
import { atom } from "jotai";
// Atoms to store the start and end dates for loans
export const startDate = atom<string | null>(null);
export const endDate = atom<string | null>(null);
export const getBorrowableItemsAtom = atom<string[] | boolean>(false);

View File

@@ -0,0 +1,36 @@
# How to use Atoms
Atoms are the fundamental building blocks of state management in this system. They represent individual pieces of state that can be shared and manipulated across different components.
You can also name it global state.
## Creating an Atom
to create an atom you have to declare an atom like this:
```ts
import { atom } from 'jotai';
export const NAME_OF_YOUR_ATOM = atom<type_of_your_atom>(initial_value);
```
In this project we declare all atoms in the `States/Atoms.tsx`file. Which you can find above this README file.
## Using an Atom
To use an atom in your component, you can use the `useAtom` hook provided by Jotai. Here's an example of how to use an atom in a React component:
```tsx
import { useAtom } from 'jotai';
import { NAME_OF_YOUR_ATOM } from '@/States/Atoms';
const MyComponent = () => {
const [value, setValue] = useAtom(NAME_OF_YOUR_ATOM);
return (
<div>
<p>Current value: {value}</p>
<button onClick={() => setValue(newValue)}>Update Value</button>
</div>
);
};
```
As you can see, you can use `useAtom` like `useState` but the state is global. In this example `value` is the current state of the atom, and `setValue` is a function to update the state, which is also known as the setter function.

View File

@@ -0,0 +1,69 @@
import { getBorrowableItems } from "../utils/fetchData";
import { useAtom } from "jotai";
import { startDate, endDate } from "../States/Atoms";
import Cookies from "js-cookie";
export const AddLoan = () => {
const [start, setStart] = useAtom(startDate);
const [end, setEnd] = useAtom(endDate);
return (
<div className="space-y-4">
<h2 className="text-lg sm:text-xl font-bold text-slate-900">
1. Zeitraum wählen
</h2>
<form
className="space-y-3"
onSubmit={(e) => {
e.preventDefault();
const form = e.currentTarget as HTMLFormElement;
const fd = new FormData(form);
const start = (fd.get("startDate") as string) || "";
const end = (fd.get("endDate") as string) || "";
setStart(start);
setEnd(end);
Cookies.set("startDate", start);
Cookies.set("endDate", end);
getBorrowableItems();
}}
>
<div className="grid grid-cols-1 sm:grid-cols-2 gap-3">
<div>
<label
htmlFor="startDate"
className="block text-sm font-medium text-slate-700 mb-1"
>
Start
</label>
<input
type="datetime-local"
id="startDate"
name="startDate"
className="w-full border border-slate-300 rounded-lg px-3 py-2.5 focus:ring-2 focus:ring-indigo-500 focus:outline-none bg-white"
/>
</div>
<div>
<label
htmlFor="endDate"
className="block text-sm font-medium text-slate-700 mb-1"
>
Ende
</label>
<input
type="datetime-local"
id="endDate"
name="endDate"
className="w-full border border-slate-300 rounded-lg px-3 py-2.5 focus:ring-2 focus:ring-indigo-500 focus:outline-none bg-white"
/>
</div>
</div>
<button
type="submit"
className="w-full bg-indigo-600 text-white font-bold py-2.5 px-4 rounded-lg shadow hover:bg-indigo-700 transition"
>
Verfügbare Gegenstände anzeigen
</button>
</form>
</div>
);
};

View File

@@ -1,5 +1,7 @@
import Cookies from "js-cookie"; import Cookies from "js-cookie";
import { myToast } from "./toastify"; import { myToast } from "./toastify";
import { useAtom } from "jotai";
import { getBorrowableItemsAtom } from "../States/Atoms";
// Event name used to notify the app when the list of items has been updated // Event name used to notify the app when the list of items has been updated
export const ALL_ITEMS_UPDATED_EVENT = "allItemsUpdated"; export const ALL_ITEMS_UPDATED_EVENT = "allItemsUpdated";
@@ -190,6 +192,7 @@ export const getBorrowableItems = async () => {
const data = await response.json(); const data = await response.json();
localStorage.setItem("borrowableItems", JSON.stringify(data)); localStorage.setItem("borrowableItems", JSON.stringify(data));
window.dispatchEvent(new Event(BORROWABLE_ITEMS_UPDATED_EVENT)); // notify same-tab listeners window.dispatchEvent(new Event(BORROWABLE_ITEMS_UPDATED_EVENT)); // notify same-tab listeners
console.log("Borrowable items fetched successfully"); console.log("Borrowable items fetched successfully");
} catch (error) { } catch (error) {