Migrate to React

This commit is contained in:
Adrian Rumpold
2025-07-09 06:51:16 +02:00
parent 50d2fa8bfe
commit 5dc583e387
23 changed files with 4791 additions and 341 deletions

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.gitignore vendored Normal file
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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/) 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
## 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 reactHooks from "eslint-plugin-react-hooks";
import reactRefresh from "eslint-plugin-react-refresh";
import globals from "globals";
import tseslint from "typescript-eslint";
export default tseslint.config(
{ ignores: ["dist"] },
{
extends: [js.configs.recommended, ...tseslint.configs.recommended],
files: ["**/*.{ts,tsx}"],
languageOptions: {
ecmaVersion: 2020,
globals: globals.browser,
},
plugins: {
"react-hooks": reactHooks,
"react-refresh": reactRefresh,
},
rules: {
...reactHooks.configs.recommended.rules,
"react-refresh/only-export-components": [
"warn",
{ allowConstantExport: true },
],
},
}
);

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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>Vite + React</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>

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main.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Likert Survey Visualization</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
background-color: #f5f5f5;
}
.container {
max-width: 1200px;
margin: 0 auto;
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
h1 {
text-align: center;
color: #333;
margin-bottom: 30px;
}
.file-input-section {
margin-bottom: 30px;
padding: 20px;
background: #f8f9fa;
border-radius: 5px;
border: 2px dashed #dee2e6;
}
.file-input-section input[type="file"] {
margin-bottom: 10px;
}
.sample-button {
background: #007bff;
color: white;
padding: 8px 16px;
border: none;
border-radius: 4px;
cursor: pointer;
margin-left: 10px;
}
.sample-button:hover {
background: #0056b3;
}
.chart-container {
margin-top: 30px;
}
.question-group {
margin-bottom: 40px;
}
.question-title {
font-size: 16px;
font-weight: bold;
margin-bottom: 15px;
color: #333;
}
.dot {
stroke: #fff;
stroke-width: 1;
}
.axis-label {
font-size: 12px;
fill: #666;
}
.axis text {
font-size: 11px;
fill: #666;
}
.axis path,
.axis line {
fill: none;
stroke: #ddd;
shape-rendering: crispEdges;
}
.grid line {
stroke: #e0e0e0;
stroke-dasharray: 2, 2;
}
.tooltip {
position: absolute;
background: rgba(0, 0, 0, 0.8);
color: white;
padding: 8px;
border-radius: 4px;
font-size: 12px;
pointer-events: none;
z-index: 1000;
}
</style>
</head>
<body>
<div class="container">
<h1>Likert Survey Response Visualization</h1>
<div class="file-input-section">
<p>
<strong>Upload CSV File:</strong> Expected format:
id,question,response
</p>
<input type="file" id="csvFile" accept=".csv" />
<button class="sample-button" onclick="loadSampleData()">
Load Sample Data
</button>
</div>
<div class="chart-container" id="chartContainer"></div>
</div>
<script>
// Color scheme for Likert scale responses
const colorScheme = {
"Strongly Disagree": "#d32f2f",
Disagree: "#f57c00",
Neutral: "#fbc02d",
Agree: "#689f38",
"Strongly Agree": "#388e3c",
1: "#d32f2f",
2: "#f57c00",
3: "#fbc02d",
4: "#689f38",
5: "#388e3c",
};
// Configuration
const config = {
dotRadius: 4,
dotSpacing: 2,
columnsPerGroup: 4,
groupSpacing: 60,
questionSpacing: 80,
margin: { top: 20, right: 30, bottom: 80, left: 120 },
};
// Create tooltip
const tooltip = d3
.select("body")
.append("div")
.attr("class", "tooltip")
.style("opacity", 0);
// Sample data generator
function loadSampleData() {
const questions = [
"Service Quality",
"Value for Money",
"Ease of Use",
"Recommendation",
];
const responses = [
"Strongly Disagree",
"Disagree",
"Neutral",
"Agree",
"Strongly Agree",
];
let sampleData = [];
let id = 1;
questions.forEach((question) => {
// Generate random responses for each question
const numResponses = Math.floor(Math.random() * 50) + 30; // 30-80 responses per question
for (let i = 0; i < numResponses; i++) {
const response =
responses[Math.floor(Math.random() * responses.length)];
sampleData.push({
id: id++,
question: question,
response: response,
});
}
});
visualizeData(sampleData);
}
// File input handler
document
.getElementById("csvFile")
.addEventListener("change", function (event) {
const file = event.target.files[0];
if (file) {
const reader = new FileReader();
reader.onload = function (e) {
const csv = e.target.result;
const data = d3.csvParse(csv);
visualizeData(data);
};
reader.readAsText(file);
}
});
function visualizeData(data) {
// Clear existing chart
d3.select("#chartContainer").selectAll("*").remove();
// Group data by question
const questionGroups = d3.group(data, (d) => d.question);
// Get unique response categories (sorted for consistent ordering)
const allResponses = [...new Set(data.map((d) => d.response))];
const responseOrder = [
"Strongly Disagree",
"Disagree",
"Neutral",
"Agree",
"Strongly Agree",
"1",
"2",
"3",
"4",
"5",
];
const sortedResponses = allResponses.sort((a, b) => {
const aIndex = responseOrder.indexOf(a);
const bIndex = responseOrder.indexOf(b);
if (aIndex !== -1 && bIndex !== -1) return aIndex - bIndex;
if (aIndex !== -1) return -1;
if (bIndex !== -1) return 1;
return a.localeCompare(b);
});
// Create scales
const xScale = d3
.scaleBand()
.domain(sortedResponses)
.range([0, sortedResponses.length * config.groupSpacing])
.padding(0.1);
// Create visualization for each question
questionGroups.forEach((questionData, question) => {
createQuestionChart(questionData, question, sortedResponses, xScale);
});
}
function createQuestionChart(data, question, responses, xScale) {
const container = d3.select("#chartContainer");
// Group responses by category
const responseGroups = d3.group(data, (d) => d.response);
// Calculate maximum dots in any group for height calculation
const maxCount = d3.max(
responseGroups,
([key, values]) => values.length
);
const maxRows = Math.ceil(maxCount / config.columnsPerGroup);
const chartHeight =
maxRows * (config.dotRadius * 2 + config.dotSpacing) +
config.margin.top +
config.margin.bottom;
// Create SVG for this question
const svg = container
.append("div")
.attr("class", "question-group")
.append("svg")
.attr(
"width",
xScale.range()[1] + config.margin.left + config.margin.right
)
.attr("height", chartHeight);
const g = svg
.append("g")
.attr(
"transform",
`translate(${config.margin.left},${config.margin.top})`
);
// Create dots for each response group
responses.forEach((response) => {
const responseData = responseGroups.get(response) || [];
const x = xScale(response);
responseData.forEach((d, index) => {
const row = Math.floor(index / config.columnsPerGroup);
const col = index % config.columnsPerGroup;
const dotX =
x +
xScale.bandwidth() / 2 +
(col - (config.columnsPerGroup - 1) / 2) *
(config.dotRadius * 2 + config.dotSpacing);
const dotY =
chartHeight -
config.margin.top -
config.margin.bottom -
(row + 1) * (config.dotRadius * 2 + config.dotSpacing);
g.append("circle")
.attr("class", "dot")
.attr("cx", dotX)
.attr("cy", dotY)
.attr("r", config.dotRadius)
.attr("fill", colorScheme[response] || "#666")
.on("mouseover", function (event) {
tooltip.transition().duration(200).style("opacity", 0.9);
tooltip
.html(
"Question: " +
question +
"<br/>Response: " +
response +
"<br/>ID: " +
d.id
)
.style("left", event.pageX + 10 + "px")
.style("top", event.pageY - 28 + "px");
})
.on("mouseout", function () {
tooltip.transition().duration(500).style("opacity", 0);
});
});
});
}
// Load sample data on page load
loadSampleData();
</script>
</body>
</html>

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{
"name": "skills-profile-demonstrator",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc -b && vite build",
"lint": "eslint .",
"preview": "vite preview"
},
"dependencies": {
"d3": "^7.9.0",
"react": "^19.1.0",
"react-dom": "^19.1.0"
},
"devDependencies": {
"@eslint/js": "^9.30.1",
"@types/d3": "^7.4.3",
"@types/node": "^24.0.12",
"@types/react": "^19.1.8",
"@types/react-dom": "^19.1.6",
"@vitejs/plugin-react": "^4.6.0",
"eslint": "^9.30.1",
"eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.20",
"globals": "^16.3.0",
"ts-node": "^10.9.2",
"typescript": "^5.8.3",
"typescript-eslint": "^8.36.0",
"vite": "^7.0.3"
}
}

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import * as d3 from "d3";
import { useEffect, useState } from "react";
import { QuestionGroupChart } from "./components/QuestionGroupChart";
import { config } from "./config";
import { getSampleData } from "./lib/data";
import { ResponseData } from "./lib/parser";
function App() {
const [data, setData] = useState<ResponseData[]>([]);
useEffect(() => {
setData(getSampleData());
}, []);
if (!data.length) return null;
// Group data by question (outside the component)
const questionGroups = Array.from(
d3.group(data, (d) => d.question).entries()
);
// Get unique response categories (sorted for consistent ordering)
const allResponses = [...new Set(data.map((d) => d.response))];
const responseOrder = [
"Strongly Disagree",
"Disagree",
"Neutral",
"Agree",
"Strongly Agree",
"1",
"2",
"3",
"4",
"5",
];
const sortedResponses = allResponses.sort((a, b) => {
const aIndex = responseOrder.indexOf(a);
const bIndex = responseOrder.indexOf(b);
if (aIndex !== -1 && bIndex !== -1) return aIndex - bIndex;
if (aIndex !== -1) return -1;
if (bIndex !== -1) return 1;
return a.localeCompare(b);
});
// Create scales
const xScale = d3
.scaleBand()
.domain(sortedResponses)
.range([0, sortedResponses.length * config.groupSpacing])
.padding(0.1);
return (
<>
{questionGroups.map(([question, groupData]) => (
<QuestionGroupChart
key={question}
question={question}
groupData={groupData}
responses={sortedResponses}
xScale={xScale}
/>
))}
</>
);
}
export default App;

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import * as d3 from "d3";
import { useEffect, useRef } from "react";
import { colorScheme, config } from "../config";
interface QuestionGroupChartProps {
question: string;
groupData: { response: string }[];
responses: string[];
xScale: d3.ScaleBand<string>;
}
export function QuestionGroupChart({
question,
groupData,
responses,
xScale,
}: QuestionGroupChartProps) {
const svgRef = useRef(null);
useEffect(() => {
// Clear SVG
d3.select(svgRef.current).selectAll("*").remove();
// Group responses by category (within this group only)
const responseGroups = d3.group(groupData, (d) => d.response);
const maxCount =
d3.max(Array.from(responseGroups.values(), (values) => values.length)) ||
0;
const maxRows = Math.ceil(maxCount / config.columnsPerGroup);
const chartHeight =
maxRows * (config.dotRadius * 2 + config.dotSpacing) +
config.margin.bottom;
const chartWidth =
xScale.range()[1] + config.margin.left + config.margin.right;
const svg = d3
.select(svgRef.current)
.attr("width", chartWidth)
.attr("height", chartHeight);
const g = svg
.append("g")
.attr(
"transform",
`translate(${config.margin.left},${config.margin.top})`
);
// Dots
responses.forEach((response) => {
const responseData = responseGroups.get(response) || [];
const x = xScale(response) || 0;
responseData.forEach((_, index) => {
const row = Math.floor(index / config.columnsPerGroup);
const col = index % config.columnsPerGroup;
const dotX =
x +
xScale.bandwidth() / 2 +
(col - (config.columnsPerGroup - 1) / 2) *
(config.dotRadius * 2 + config.dotSpacing);
const dotY =
chartHeight -
config.margin.top -
config.margin.bottom -
(row + 1) * (config.dotRadius * 2 + config.dotSpacing);
g.append("circle")
.attr("class", "dot")
.attr("cx", dotX)
.attr("cy", dotY)
.attr("r", config.dotRadius)
.attr("fill", colorScheme[response] || "#666");
});
});
}, [groupData, responses, xScale, question]);
/*
// Calculate height for container
const responseGroups = d3.group(groupData, (d) => d.response);
const maxCount =
d3.max(Array.from(responseGroups.values(), (values) => values.length)) || 0;
const maxRows = Math.ceil(maxCount / config.columnsPerGroup);
const chartHeight =
maxRows * (config.dotRadius * 2 + config.dotSpacing) +
config.margin.top +
config.margin.bottom;
*/
return (
<div className="question-group">
<div className="question-title">{question}</div>
<svg ref={svgRef}></svg>
</div>
);
}
export default QuestionGroupChart;

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export const config = {
dotRadius: 5,
dotSpacing: 2,
columnsPerGroup: 3,
groupSpacing: 40,
margin: { top: 20, right: 30, bottom: 80, left: 120 },
};
// Color scheme for Likert scale responses
type ColorScheme = {
[key: string | number]: string;
};
export const colorScheme: ColorScheme = {
"Strongly Disagree": "#d32f2f",
Disagree: "#f57c00",
Neutral: "#fbc02d",
Agree: "#689f38",
"Strongly Agree": "#388e3c",
1: "#d32f2f",
2: "#f57c00",
3: "#fbc02d",
4: "#689f38",
5: "#388e3c",
};

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:root {
font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
color-scheme: only light;
color: #213547;
background-color: #ffffff;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
body {
display: flex;
flex-direction: column;
align-items: center;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #747bff;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
.container {
max-width: 1200px;
margin: 0 auto;
background: white;
padding: 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.chart-container {
margin-top: 30px;
}
.question-group {
margin-bottom: 40px;
}
.question-title {
font-size: 16px;
font-weight: bold;
margin-bottom: 15px;
color: #333;
}
.dot {
stroke: #fff;
stroke-width: 1;
}
.axis-label {
font-size: 12px;
fill: #666;
}
.axis text {
font-size: 11px;
fill: #666;
}
.axis path,
.axis line {
fill: none;
stroke: #ddd;
shape-rendering: crispEdges;
}
.grid line {
stroke: #e0e0e0;
stroke-dasharray: 2, 2;
}
/*@media (prefers-color-scheme: dark) {
:root {
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
}
a:hover {
color: #535bf2;
}
}*/

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import { ResponseData } from "./parser";
export function getSampleData(): ResponseData[] {
const questions = [
"Service Quality",
"Value for Money",
"Ease of Use",
"Recommendation",
];
const responses = [
"Strongly Disagree",
"Disagree",
"Neutral",
"Agree",
"Strongly Agree",
];
const sampleData: ResponseData[] = [];
let id = 1;
questions.forEach((question) => {
const numResponses = Math.floor(Math.random() * 50) + 30;
for (let i = 0; i < numResponses; i++) {
const response = responses[Math.floor(Math.random() * responses.length)];
sampleData.push({
id: id++,
question: question,
response: response,
});
}
});
return sampleData;
}

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import * as d3 from "d3";
export interface ResponseData {
id: number;
question: string;
response: string;
}
export function parseCSV(csv: string): d3.DSVRowArray<string> {
return d3.csvParse(csv);
}

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

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/// <reference types="vite/client" />

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{
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
"target": "ES2020",
"useDefineForClassFields": true,
"lib": ["ES2020", "DOM", "DOM.Iterable"],
"module": "ESNext",
"skipLibCheck": true,
/* Bundler mode */
"moduleResolution": "bundler",
"allowImportingTsExtensions": true,
"isolatedModules": true,
"moduleDetection": "force",
"noEmit": true,
"jsx": "react-jsx",
/* Linting */
"strict": true,
"noUnusedLocals": true,
"noUnusedParameters": true,
"noFallthroughCasesInSwitch": true,
"noUncheckedSideEffectImports": true
},
"include": ["src"]
}

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{
"files": [],
"references": [
{ "path": "./tsconfig.app.json" },
{ "path": "./tsconfig.node.json" }
]
}

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{
"compilerOptions": {
"composite": true,
"module": "nodenext",
"moduleResolution": "nodenext",
"allowSyntheticDefaultImports": true
},
"include": ["vite.config.ts"]
}

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declare const _default: import("vite").UserConfig;
export default _default;

6
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()],
});

7
vite.config.ts 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()],
})