This commit is contained in:
matst80
2025-11-14 20:21:53 +01:00
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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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# React + 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 using TypeScript with type-aware lint rules enabled. Check out the [TS template](https://github.com/vitejs/vite/tree/main/packages/create-vite/template-react-ts) for information on how to integrate TypeScript and [`typescript-eslint`](https://typescript-eslint.io) in your project.

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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 { defineConfig, globalIgnores } from 'eslint/config'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{js,jsx}'],
extends: [
js.configs.recommended,
reactHooks.configs.flat.recommended,
reactRefresh.configs.vite,
],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
parserOptions: {
ecmaVersion: 'latest',
ecmaFeatures: { jsx: true },
sourceType: 'module',
},
},
rules: {
'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
},
},
])

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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>frontend</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>

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{
"name": "frontend",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"lint": "eslint .",
"preview": "vite preview"
},
"dependencies": {
"react": "^19.2.0",
"react-dom": "^19.2.0"
},
"devDependencies": {
"@eslint/js": "^9.39.1",
"@types/react": "^19.2.2",
"@types/react-dom": "^19.2.2",
"@vitejs/plugin-react": "^5.1.0",
"eslint": "^9.39.1",
"eslint-plugin-react-hooks": "^7.0.1",
"eslint-plugin-react-refresh": "^0.4.24",
"globals": "^16.5.0",
"vite": "^7.2.2"
}
}

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/* App Layout */
.App {
max-width: 800px;
margin: 0 auto;
padding: 2rem;
font-family: Arial, sans-serif;
}
/* Form Layout */
.planner {
display: flex;
flex-direction: column;
gap: 1rem;
align-items: center;
}
.selects {
display: flex;
gap: 1rem;
flex-wrap: wrap;
justify-content: center;
}
label {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
/* Buttons */
button {
padding: 0.75rem 1.5rem;
font-size: 1rem;
background-color: #646cff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s;
}
button:hover:not(:disabled) {
background-color: #535bf2;
}
button:disabled {
background-color: #ccc;
cursor: not-allowed;
}
/* Error Messages */
.error {
color: red;
font-weight: bold;
}
/* Route Display */
.route {
margin-top: 2rem;
text-align: left;
width: 100%;
}
.route h2 {
text-align: center;
}
/* Stop Selector */
.stop-selector {
position: relative;
width: 100%;
max-width: 300px;
}
.stop-input {
width: 100%;
padding: 0.5rem;
font-size: 1rem;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
.stop-list {
position: absolute;
top: 100%;
left: 0;
right: 0;
background: white;
border: 1px solid #ccc;
border-top: none;
border-radius: 0 0 4px 4px;
max-height: 200px;
overflow-y: auto;
z-index: 1000;
list-style: none;
padding: 0;
margin: 0;
}
.stop-list li {
padding: 0.5rem;
cursor: pointer;
border-bottom: 1px solid #eee;
color: #333;
}
.stop-list li:hover {
background-color: #ddd;
}
.stop-list li:last-child {
border-bottom: none;
}
/* Trip Legs */
.leg {
margin-bottom: 2rem;
padding: 1rem;
border: 1px solid #ddd;
border-radius: 8px;
background-color: #f9f9f9;
}
.leg h3 {
margin-top: 0;
color: #333;
font-size: 1.1rem;
}
.leg ul {
padding-left: 1.5rem;
margin: 0.5rem 0;
}
.leg li {
margin-bottom: 0.25rem;
color: #555;
}
/* Transfer Notices */
.transfer {
font-weight: bold;
color: #d9534f;
margin: 1rem 0 0 0;
padding: 0.5rem;
background-color: #f2dede;
border: 1px solid #ebccd1;
border-radius: 4px;
}
/* Route Title */
.route-title {
color: #333;
font-size: 1.5rem;
margin-bottom: 1.5rem;
text-align: center;
}
/* Leg Title */
.leg-title {
color: #2c3e50;
font-size: 1.2rem;
margin-bottom: 0.5rem;
}
/* Leg Stops */
.leg-stops {
font-weight: bold;
color: #34495e;
margin: 0.5rem 0;
}
/* Leg Times */
.leg-time {
color: #7f8c8d;
margin: 0.25rem 0;
font-size: 0.9rem;
}
/* Stops List */
.stops-list {
background-color: #ecf0f1;
border-radius: 4px;
padding: 0.5rem;
margin: 0.5rem 0;
list-style: none;
padding-left: 0;
}
/* Stop Item */
.stop-item {
padding: 0.25rem 0;
border-bottom: 1px solid #bdc3c7;
}
.stop-item:last-child {
border-bottom: none;
}
/* Time Input */
input[type="datetime-local"] {
padding: 0.5rem;
font-size: 1rem;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
/* Select Input */
select {
padding: 0.5rem;
font-size: 1rem;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
/* Route Selector */
.route-selector {
display: flex;
gap: 0.5rem;
margin-bottom: 1rem;
justify-content: center;
}
.route-selector button {
padding: 0.5rem 1rem;
font-size: 0.9rem;
}
.route-selector button.active {
background-color: #535bf2;
font-weight: bold;
}

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import { useState, useEffect } from "react";
import "./App.css";
function StopSelector({ stops, onChange, placeholder, inputId }) {
const [inputValue, setInputValue] = useState("");
const [filteredStops, setFilteredStops] = useState([]);
const [showList, setShowList] = useState(false);
useEffect(() => {
if (inputValue.trim()) {
const filtered = stops
.filter((stop) =>
stop.stop_name.toLowerCase().includes(inputValue.toLowerCase()),
)
.slice(0, 10);
setFilteredStops(filtered);
setShowList(true);
} else {
setFilteredStops([]);
setShowList(false);
}
}, [inputValue, stops]);
const handleSelect = (stop) => {
setInputValue(stop.stop_name);
onChange({ id: stop.stop_id, name: stop.stop_name });
setShowList(false);
};
return (
<div className="stop-selector">
<input
id={inputId}
type="text"
value={inputValue}
onChange={(e) => setInputValue(e.target.value)}
placeholder={placeholder}
className="stop-input"
/>
{showList && filteredStops.length > 0 && (
<ul className="stop-list">
{filteredStops.map((stop) => (
<li key={stop.stop_id} onClick={() => handleSelect(stop)}>
{stop.stop_name}
</li>
))}
</ul>
)}
</div>
);
}
function App() {
const [stops, setStops] = useState([]);
const [from, setFrom] = useState({
id: "740000030",
name: "Falun Centralstation",
});
const [to, setTo] = useState({
id: "740000001",
name: "Stockholm Centralstation",
});
const [time, setTime] = useState(new Date().toISOString().slice(0, 16));
const [num, setNum] = useState(3);
const [routes, setRoutes] = useState([]);
const [selectedRouteIndex, setSelectedRouteIndex] = useState(0);
const [loading, setLoading] = useState(false);
const [error, setError] = useState("");
useEffect(() => {
fetch("/api/stops")
.then((res) => res.json())
.then(setStops)
.catch((err) => setError("Failed to load stops: " + err.message));
}, []);
const findRoute = () => {
if (!from.id || !to.id) {
setError("Please select both from and to stops");
return;
}
setLoading(true);
setError("");
fetch(
`/api/route?from=${from.id}&to=${to.id}&when=${encodeURIComponent(time)}&num=${num}`,
)
.then((res) => (res.ok ? res.json() : Promise.reject(res.statusText)))
.then((data) => {
setRoutes(data);
setSelectedRouteIndex(0);
setLoading(false);
})
.catch((err) => {
setError("Failed to find route: " + err);
setLoading(false);
});
};
return (
<div className="App">
<h1>GTFS Route Planner</h1>
<div className="planner">
<div className="selects">
<label htmlFor="from-stop">
From: ({from.id})
<StopSelector
stops={stops}
onChange={setFrom}
placeholder="Search for origin stop"
inputId="from-stop"
/>
</label>
<label htmlFor="to-stop">
To: ({to.id})
<StopSelector
stops={stops}
onChange={setTo}
placeholder="Search for destination stop"
inputId="to-stop"
/>
</label>
<label htmlFor="time">
Time:
<input
id="time"
type="datetime-local"
value={time}
onChange={(e) => setTime(e.target.value)}
/>
</label>
<label htmlFor="num">
Number of routes:
<select
id="num"
value={num}
onChange={(e) => setNum(parseInt(e.target.value))}
>
<option value={1}>1</option>
<option value={2}>2</option>
<option value={3}>3</option>
<option value={5}>5</option>
<option value={10}>10</option>
</select>
</label>
<button onClick={findRoute} disabled={loading} type="button">
{loading ? "Finding route..." : "Find Route"}
</button>
</div>
{error && <p className="error">{error}</p>}
{routes.length > 0 && (
<div className="routes">
<h2 className="route-title">
Routes from {from.name} to {to.name}
</h2>
{routes.length > 1 && (
<div className="route-selector">
{routes.map((_, index) => (
<button
key={index}
onClick={() => setSelectedRouteIndex(index)}
className={selectedRouteIndex === index ? "active" : ""}
type="button"
>
Option {index + 1}
</button>
))}
</div>
)}
{routes[selectedRouteIndex]?.legs &&
routes[selectedRouteIndex].legs.length > 0 && (
<div className="route">
{routes[selectedRouteIndex].legs.map((leg, index) => {
const trip = leg.trip;
return (
<div key={leg.trip?.trip_id || index} className="leg">
<h3 className="leg-title">
Leg {index + 1}:{" "}
{trip?.trip_short_name ?? trip.route_id} by{" "}
{leg.agency?.agency_name}
</h3>
<p className="leg-stops">
From: {leg.from?.stop_name} To: {leg.to?.stop_name}
</p>
<p className="leg-time">
Departure:{" "}
{new Date(leg.departure_time).toLocaleString()}
</p>
<p className="leg-time">
Arrival: {new Date(leg.arrival_time).toLocaleString()}
</p>
<ul className="stops-list">
{leg.stops?.map((stopId) => {
const stop = stops.find(
(s) => s.stop_id === stopId,
);
return (
<li key={stopId} className="stop-item">
{stop?.stop_name || stopId}
</li>
);
})}
</ul>
{/* {index < routes[selectedRouteIndex].legs.length - 1 && (
<p className="transfer">
Transfer at{" "}
{stops.find((s) => s.stop_id === leg.to)?.stop_name ||
leg.to}
</p>
)} */}
</div>
);
})}
</div>
)}
</div>
)}
</div>
</div>
);
}
export default App;

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:root {
font-family: 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;
}
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;
}
}

10
frontend/src/main.jsx Normal file
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import { StrictMode } from 'react'
import { createRoot } from 'react-dom/client'
import './index.css'
import App from './App.jsx'
createRoot(document.getElementById('root')).render(
<StrictMode>
<App />
</StrictMode>,
)

16
frontend/vite.config.js Normal file
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import { defineConfig } from "vite";
import react from "@vitejs/plugin-react";
// https://vite.dev/config/
export default defineConfig({
plugins: [react()],
server: {
proxy: {
"/api": {
target: "http://localhost:8080",
changeOrigin: true,
secure: false,
},
},
},
});