This commit is contained in:
dylandefaoite
2025-08-21 14:26:59 +02:00
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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 + 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/) 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 updating the configuration to enable type-aware lint rules:
```js
export default tseslint.config([
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 tseslint.config([
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 { globalIgnores } from 'eslint/config'
export default tseslint.config([
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" />
<link rel="stylesheet" href="/src/index.css" />
<title>Vite + React + TS</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx"></script>
</body>
</html>

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{
"name": "app",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "tsc -b && vite build",
"lint": "eslint .",
"preview": "vite preview"
},
"dependencies": {
"@tailwindcss/vite": "^4.1.12",
"idb": "^8.0.3",
"react": "^19.1.1",
"react-dom": "^19.1.1",
"react-range-slider-input": "^3.2.1",
"react-router-dom": "^7.8.1",
"tailwindcss": "^4.1.12"
},
"devDependencies": {
"@eslint/js": "^9.33.0",
"@types/react": "^19.1.10",
"@types/react-dom": "^19.1.7",
"@vitejs/plugin-react": "^5.0.0",
"eslint": "^9.33.0",
"eslint-plugin-react-hooks": "^5.2.0",
"eslint-plugin-react-refresh": "^0.4.20",
"globals": "^16.3.0",
"typescript": "~5.8.3",
"typescript-eslint": "^8.39.1",
"vite": "^7.1.2"
}
}

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#root {
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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import { BrowserRouter as Router, Routes, Route } from 'react-router-dom'
import Home from './pages/Home'
import StatView from './pages/StatView'
import './App.css'
function App() {
return (
<>
<Router>
<Routes>
<Route path="/" element={<Home />} />
<Route path="/stats" element={<StatView />} />
</Routes>
</Router>
</>
)
}
export default App

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@import "tailwindcss";
: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;
}
}

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

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import type { stream } from './types.ts';
const readFiles = async (files: File[]): Promise<stream[]> => {
const streams: stream[] = [];
for (const file of files) {
const fileUrl = URL.createObjectURL(file);
try {
const response = await fetch(fileUrl);
const data = await response.json();
streams.push(...data);
} catch (error) {
console.error('Error processing file:', error);
}
}
return streams;
}
const getListenedTracks = (streams: stream[], startDate: string, endDate: string, limit: number = 100): stream[] => {
const trackMap: Record<string, stream> = {};
streams.forEach(stream => {
if (stream.ts < startDate || stream.ts > endDate || !stream.spotify_track_uri) {
return; // Skip streams outside the date range
}
if (!trackMap[stream.spotify_track_uri]) {
trackMap[stream.spotify_track_uri] = { ...stream, ms_played: 0 };
}
trackMap[stream.spotify_track_uri].ms_played += stream.ms_played;
});
const sortedTracks = Object.values(trackMap).sort((a, b) => b.ms_played - a.ms_played);
return sortedTracks.slice(0, limit);
}
const getListenedArtists = (streams: stream[], startDate: string, endDate: string, limit: number = 100): stream[] => {
const artistMap: Record<string, stream> = {};
streams.forEach(stream => {
if (stream.ts < startDate || stream.ts > endDate) {
return; // Skip streams outside the date range
}
if (!artistMap[stream.master_metadata_album_artist_name]) {
artistMap[stream.master_metadata_album_artist_name] = { ...stream, ms_played: 0 };
}
artistMap[stream.master_metadata_album_artist_name].ms_played += stream.ms_played;
});
const sortedArtists = Object.values(artistMap).sort((a, b) => b.ms_played - a.ms_played);
return sortedArtists.slice(0, limit);
}
const getFirstStreamDate = (streams: stream[]): string => {
if (streams.length === 0) return '';
return streams.reduce((earliest, stream) => {
return stream.ts < earliest ? stream.ts : earliest;
}, streams[0].ts);
}
const getLastStreamDate = (streams: stream[]): string => {
if (streams.length === 0) return '';
return streams.reduce((latest, stream) => {
return stream.ts > latest ? stream.ts : latest;
}, streams[0].ts);
}
export {
readFiles,
getListenedTracks,
getListenedArtists,
getFirstStreamDate,
getLastStreamDate
}

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type stream = {
ts: string,
spotify_track_uri: string,
master_metadata_track_name: string,
master_metadata_album_artist_name: string,
master_metadata_album_album_name: string,
ms_played: number,
shuffle: boolean,
skipped: boolean,
platform: string,
reason_start: string,
reason_end: string,
conn_country: string,
ip_addr: string
}
export type {
stream
}

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import { useState } from 'react'
import { useNavigate } from 'react-router-dom'
import { readFiles } from '../model/parser'
import { addStreams } from '../util/db'
const Home = () => {
const [files, setFiles] = useState<File[]>([])
const navigate = useNavigate()
const handleUpload = async () => {
if (files.length === 0) return;
const streams = await readFiles(files); // your parser
await addStreams(streams); // save to IndexedDB
navigate('/stats'); // go to StatView
};
return (
<div>
<h1>Upload Spotify files</h1>
<input
type="file"
accept=".json"
multiple
onChange={(e) => {
if (e.target.files) {
setFiles(Array.from(e.target.files));
}
}}
/>
<button
onClick={handleUpload}>
Upload
</button>
</div>
)
}
export default Home;

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import { useEffect, useState } from 'react';
import { getAllStreams } from '../util/db';
import { formatSeconds, tsToDate, getDaysBetween, getDaysAfter, dateToTs } from '../util/time';
import RangeSlider from 'react-range-slider-input';
import 'react-range-slider-input/dist/style.css';
import type { stream } from '../model/types';
import { getFirstStreamDate, getLastStreamDate, getListenedTracks, getListenedArtists } from '../model/parser';
const StatView = () => {
const [streams, setStreams] = useState<stream[]>([]);
const [mostListenedSongs, setMostListenedSongs] = useState<stream[]>([]);
const [mostListenedArtists, setMostListenedArtists] = useState<stream[]>([]);
const [firstStreamDate, setFirstStreamDate] = useState<Date>();
const [lastStreamDate, setLastStreamDate] = useState<Date>();
const [dateRange, setDateRange] = useState<[Date, Date]>([new Date(), new Date()]);
useEffect(() => {
getAllStreams().then((streams) => {
setStreams(streams);
if (streams.length > 0) {
const firstDate = tsToDate(getFirstStreamDate(streams));
const lastDate = tsToDate(getLastStreamDate(streams));
setFirstStreamDate(firstDate);
setLastStreamDate(lastDate);
setDateRange([firstDate, lastDate]);
}
}).catch((error) => {
console.error('Error fetching streams:', error);
});
}, []);
useEffect(() => {
setMostListenedSongs(getListenedTracks(streams, dateToTs(dateRange[0]), dateToTs(dateRange[1]), 20));
setMostListenedArtists(getListenedArtists(streams, dateToTs(dateRange[0]), dateToTs(dateRange[1]), 20));
}, [dateRange]);
if (streams.length === 0 || !firstStreamDate || !lastStreamDate) {
return <div>Loading...</div>;
}
return (
<div className="w-full">
<div className="w-full flex flex-row items-center">
<div className="w-full">
<h1>Track Statistics</h1>
<ul>
{mostListenedSongs.map((track, index) => (
<li key={index}>
{track.master_metadata_track_name} - {formatSeconds(track.ms_played/1000)}
</li>
))}
</ul>
</div>
<div className="w-full ml-4">
<h1>Artist Statistics</h1>
<ul>
{mostListenedArtists.map((artist, index) => (
<li key={index}>
{artist.master_metadata_album_artist_name} - {formatSeconds(artist.ms_played/1000)}
</li>
))}
</ul>
</div>
</div>
<RangeSlider
min={0}
max={getDaysBetween(firstStreamDate, lastStreamDate)}
step={1}
onInput={(value) => {
const startDate = getDaysAfter(firstStreamDate, value[0]);
const endDate = getDaysAfter(firstStreamDate, value[1]);
setDateRange([startDate, endDate]);
}}
className="w-full"
/>
<p className="text-center">
{dateRange[0].toLocaleDateString()} - {dateRange[1].toLocaleDateString()}
</p>
</div>
)
}
export default StatView;

31
app/src/util/db.ts Normal file
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import { openDB } from 'idb';
export const dbPromise = openDB('spotifyDB', 1, {
upgrade(db) {
if (!db.objectStoreNames.contains('streams')) {
db.createObjectStore('streams', { keyPath: 'id', autoIncrement: true });
}
},
});
export async function addStreams(streamArray: any[]) {
const db = await dbPromise;
const tx = db.transaction('streams', 'readwrite');
const store = tx.objectStore('streams');
// Clear previous data if you want a fresh upload each time
await store.clear();
for (const stream of streamArray) {
await store.add(stream);
}
await tx.done;
}
export async function getAllStreams() {
const db = await dbPromise;
const tx = db.transaction('streams', 'readonly');
const store = tx.objectStore('streams');
return await store.getAll();
}

51
app/src/util/time.ts Normal file
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const formatSeconds = (seconds: number): string => {
const hours = Math.floor(seconds / 3600);
const minutes = Math.floor((seconds % 3600) / 60);
const secs = Math.floor(seconds % 60);
return [
hours > 0 ? `${hours}h` : '',
minutes > 0 ? `${minutes}m` : '',
secs > 0 ? `${secs}s` : ''
].filter(Boolean).join(' ');
}
const tsToDate = (timestamp: string): Date => {
const date = new Date(timestamp);
if (isNaN(date.getTime())) {
throw new Error(`Invalid timestamp: ${timestamp}`);
}
return date;
}
const dateToTs = (date: Date): string => {
if (!(date instanceof Date) || isNaN(date.getTime())) {
throw new Error(`Invalid date: ${date}`);
}
return date.toISOString();
}
const getDaysBetween = (start: Date, end: Date): number => {
const startTs = start.getTime();
const endTs = end.getTime();
return Math.floor((endTs - startTs) / (1000 * 60 * 60 * 24));
}
const getDaysAfter = (start: Date, days: number): Date => {
const startTs = start.getTime();
const newTs = startTs + (days * 1000 * 60 * 60 * 24);
const newDate = new Date(newTs);
if (isNaN(newDate.getTime())) {
throw new Error(`Invalid date after adding days: ${newDate}`);
}
return newDate;
}
export {
formatSeconds,
tsToDate,
dateToTs,
getDaysBetween,
getDaysAfter
}

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app/src/vite-env.d.ts vendored Normal file
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/// <reference types="vite/client" />

27
app/tsconfig.app.json Normal file
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{
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
"target": "ES2022",
"useDefineForClassFields": true,
"lib": ["ES2022", "DOM", "DOM.Iterable"],
"module": "ESNext",
"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
},
"include": ["src"]
}

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

25
app/tsconfig.node.json Normal file
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{
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
"target": "ES2023",
"lib": ["ES2023"],
"module": "ESNext",
"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"]
}

11
app/vite.config.ts Normal file
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import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import tailwindcss from '@tailwindcss/vite'
// https://vite.dev/config/
export default defineConfig({
plugins: [
react(),
tailwindcss()
],
})