frontend: add svelte frontend

This commit is contained in:
2025-07-20 23:51:54 -06:00
parent a01ec82833
commit 7a2b0fd4d6
40 changed files with 17358 additions and 349 deletions
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node_modules
# Output
.output
.vercel
.netlify
.wrangler
/.svelte-kit
/build
# OS
.DS_Store
Thumbs.db
# Env
.env
.env.*
!.env.example
!.env.test
# Vite
vite.config.js.timestamp-*
vite.config.ts.timestamp-*
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engine-strict=true
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# Package Managers
package-lock.json
pnpm-lock.yaml
yarn.lock
bun.lock
bun.lockb
# Miscellaneous
/static/
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{
"useTabs": true,
"singleQuote": true,
"trailingComma": "none",
"printWidth": 100,
"plugins": ["prettier-plugin-svelte", "prettier-plugin-tailwindcss"],
"overrides": [
{
"files": "*.svelte",
"options": {
"parser": "svelte"
}
}
],
"tailwindStylesheet": "./src/app.css"
}
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# sv
Everything you need to build a Svelte project, powered by [`sv`](https://github.com/sveltejs/cli).
## Creating a project
If you're seeing this, you've probably already done this step. Congrats!
```bash
# create a new project in the current directory
npx sv create
# create a new project in my-app
npx sv create my-app
```
## Developing
Once you've created a project and installed dependencies with `npm install` (or `pnpm install` or `yarn`), start a development server:
```bash
npm run dev
# or start the server and open the app in a new browser tab
npm run dev -- --open
```
## Building
To create a production version of your app:
```bash
npm run build
```
You can preview the production build with `npm run preview`.
> To deploy your app, you may need to install an [adapter](https://svelte.dev/docs/kit/adapters) for your target environment.
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import prettier from 'eslint-config-prettier';
import { includeIgnoreFile } from '@eslint/compat';
import js from '@eslint/js';
import svelte from 'eslint-plugin-svelte';
import globals from 'globals';
import { fileURLToPath } from 'node:url';
import ts from 'typescript-eslint';
import svelteConfig from './svelte.config.js';
const gitignorePath = fileURLToPath(new URL('./.gitignore', import.meta.url));
export default ts.config(
includeIgnoreFile(gitignorePath),
js.configs.recommended,
...ts.configs.recommended,
...svelte.configs.recommended,
prettier,
...svelte.configs.prettier,
{
languageOptions: {
globals: { ...globals.browser, ...globals.node }
},
rules: {
// typescript-eslint strongly recommend that you do not use the no-undef lint rule on TypeScript projects.
// see: https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
'no-undef': 'off'
}
},
{
files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
languageOptions: {
parserOptions: {
projectService: true,
extraFileExtensions: ['.svelte'],
parser: ts.parser,
svelteConfig
}
}
}
);
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{
"name": "frontend",
"private": true,
"version": "0.0.1",
"type": "module",
"scripts": {
"dev": "vite dev",
"build": "vite build",
"preview": "vite preview",
"prepare": "svelte-kit sync || echo ''",
"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
"format": "prettier --write .",
"lint": "prettier --check . && eslint ."
},
"devDependencies": {
"@eslint/compat": "^1.2.5",
"@eslint/js": "^9.18.0",
"@fontsource/fira-mono": "^5.0.0",
"@neoconfetti/svelte": "^2.0.0",
"@sveltejs/adapter-static": "^3.0.8",
"@sveltejs/kit": "^2.22.0",
"@sveltejs/vite-plugin-svelte": "^6.0.0",
"@tailwindcss/vite": "^4.0.0",
"eslint": "^9.18.0",
"eslint-config-prettier": "^10.0.1",
"eslint-plugin-svelte": "^3.0.0",
"globals": "^16.0.0",
"prettier": "^3.4.2",
"prettier-plugin-svelte": "^3.3.3",
"prettier-plugin-tailwindcss": "^0.6.11",
"svelte": "^5.25.0",
"svelte-check": "^4.0.0",
"tailwindcss": "^4.0.0",
"typescript": "^5.0.0",
"typescript-eslint": "^8.20.0",
"vite": "^7.0.4"
},
"pnpm": {
"onlyBuiltDependencies": [
"esbuild"
]
}
}
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@import 'tailwindcss';
@import '@fontsource/fira-mono';
:root {
--font-body:
Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
'Open Sans', 'Helvetica Neue', sans-serif;
--font-mono: 'Fira Mono', monospace;
--color-bg-0: rgb(202, 216, 228);
--color-bg-1: hsl(209, 36%, 86%);
--color-bg-2: hsl(224, 44%, 95%);
--color-theme-1: #ff3e00;
--color-theme-2: #4075a6;
--color-text: rgba(0, 0, 0, 0.7);
--column-width: 42rem;
--column-margin-top: 4rem;
font-family: var(--font-body);
color: var(--color-text);
}
body {
min-height: 100vh;
margin: 0;
background-attachment: fixed;
background-color: var(--color-bg-1);
background-size: 100vw 100vh;
background-image:
radial-gradient(50% 50% at 50% 50%, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 100%),
linear-gradient(180deg, var(--color-bg-0) 0%, var(--color-bg-1) 15%, var(--color-bg-2) 50%);
}
h1,
h2,
p {
font-weight: 400;
}
p {
line-height: 1.5;
}
a {
color: var(--color-theme-1);
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
h1 {
font-size: 2rem;
text-align: center;
}
h2 {
font-size: 1rem;
}
pre {
font-size: 16px;
font-family: var(--font-mono);
background-color: rgba(255, 255, 255, 0.45);
border-radius: 3px;
box-shadow: 2px 2px 6px rgb(255 255 255 / 25%);
padding: 0.5em;
overflow-x: auto;
color: var(--color-text);
}
.text-column {
display: flex;
max-width: 48rem;
flex: 0.6;
flex-direction: column;
justify-content: center;
margin: 0 auto;
}
input,
button {
font-size: inherit;
font-family: inherit;
}
button:focus:not(:focus-visible) {
outline: none;
}
@media (min-width: 720px) {
h1 {
font-size: 2.4rem;
}
}
.visually-hidden {
border: 0;
clip: rect(0 0 0 0);
height: auto;
margin: 0;
overflow: hidden;
padding: 0;
position: absolute;
width: 1px;
white-space: nowrap;
}
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// See https://svelte.dev/docs/kit/types#app.d.ts
// for information about these interfaces
declare global {
namespace App {
// interface Error {}
// interface Locals {}
// interface PageData {}
// interface PageState {}
// interface Platform {}
}
}
export {};
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%sveltekit.assets%/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
%sveltekit.head%
</head>
<body data-sveltekit-preload-data="hover">
<div style="display: contents">%sveltekit.body%</div>
</body>
</html>
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<svg width="98" height="96" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M48.854 0C21.839 0 0 22 0 49.217c0 21.756 13.993 40.172 33.405 46.69 2.427.49 3.316-1.059 3.316-2.362 0-1.141-.08-5.052-.08-9.127-13.59 2.934-16.42-5.867-16.42-5.867-2.184-5.704-5.42-7.17-5.42-7.17-4.448-3.015.324-3.015.324-3.015 4.934.326 7.523 5.052 7.523 5.052 4.367 7.496 11.404 5.378 14.235 4.074.404-3.178 1.699-5.378 3.074-6.6-10.839-1.141-22.243-5.378-22.243-24.283 0-5.378 1.94-9.778 5.014-13.2-.485-1.222-2.184-6.275.486-13.038 0 0 4.125-1.304 13.426 5.052a46.97 46.97 0 0 1 12.214-1.63c4.125 0 8.33.571 12.213 1.63 9.302-6.356 13.427-5.052 13.427-5.052 2.67 6.763.97 11.816.485 13.038 3.155 3.422 5.015 7.822 5.015 13.2 0 18.905-11.404 23.06-22.324 24.283 1.78 1.548 3.316 4.481 3.316 9.126 0 6.6-.08 11.897-.08 13.526 0 1.304.89 2.853 3.316 2.364 19.412-6.52 33.405-24.935 33.405-46.691C97.707 22 75.788 0 48.854 0z" fill="#24292f"/></svg>

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<svg xmlns="http://www.w3.org/2000/svg" width="107" height="128" viewBox="0 0 107 128"><title>svelte-logo</title><path d="M94.1566,22.8189c-10.4-14.8851-30.94-19.2971-45.7914-9.8348L22.2825,29.6078A29.9234,29.9234,0,0,0,8.7639,49.6506a31.5136,31.5136,0,0,0,3.1076,20.2318A30.0061,30.0061,0,0,0,7.3953,81.0653a31.8886,31.8886,0,0,0,5.4473,24.1157c10.4022,14.8865,30.9423,19.2966,45.7914,9.8348L84.7167,98.3921A29.9177,29.9177,0,0,0,98.2353,78.3493,31.5263,31.5263,0,0,0,95.13,58.117a30,30,0,0,0,4.4743-11.1824,31.88,31.88,0,0,0-5.4473-24.1157" style="fill:#ff3e00"/><path d="M45.8171,106.5815A20.7182,20.7182,0,0,1,23.58,98.3389a19.1739,19.1739,0,0,1-3.2766-14.5025,18.1886,18.1886,0,0,1,.6233-2.4357l.4912-1.4978,1.3363.9815a33.6443,33.6443,0,0,0,10.203,5.0978l.9694.2941-.0893.9675a5.8474,5.8474,0,0,0,1.052,3.8781,6.2389,6.2389,0,0,0,6.6952,2.485,5.7449,5.7449,0,0,0,1.6021-.7041L69.27,76.281a5.4306,5.4306,0,0,0,2.4506-3.631,5.7948,5.7948,0,0,0-.9875-4.3712,6.2436,6.2436,0,0,0-6.6978-2.4864,5.7427,5.7427,0,0,0-1.6.7036l-9.9532,6.3449a19.0329,19.0329,0,0,1-5.2965,2.3259,20.7181,20.7181,0,0,1-22.2368-8.2427,19.1725,19.1725,0,0,1-3.2766-14.5024,17.9885,17.9885,0,0,1,8.13-12.0513L55.8833,23.7472a19.0038,19.0038,0,0,1,5.3-2.3287A20.7182,20.7182,0,0,1,83.42,29.6611a19.1739,19.1739,0,0,1,3.2766,14.5025,18.4,18.4,0,0,1-.6233,2.4357l-.4912,1.4978-1.3356-.98a33.6175,33.6175,0,0,0-10.2037-5.1l-.9694-.2942.0893-.9675a5.8588,5.8588,0,0,0-1.052-3.878,6.2389,6.2389,0,0,0-6.6952-2.485,5.7449,5.7449,0,0,0-1.6021.7041L37.73,51.719a5.4218,5.4218,0,0,0-2.4487,3.63,5.7862,5.7862,0,0,0,.9856,4.3717,6.2437,6.2437,0,0,0,6.6978,2.4864,5.7652,5.7652,0,0,0,1.602-.7041l9.9519-6.3425a18.978,18.978,0,0,1,5.2959-2.3278,20.7181,20.7181,0,0,1,22.2368,8.2427,19.1725,19.1725,0,0,1,3.2766,14.5024,17.9977,17.9977,0,0,1-8.13,12.0532L51.1167,104.2528a19.0038,19.0038,0,0,1-5.3,2.3287" style="fill:#fff"/></svg>

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<script lang="ts">
//import Header from './Header.svelte';
import '../app.css';
let { children } = $props();
</script>
<div class="app">
<!--<Header />-->
<main>
{@render children()}
</main>
<!--<footer>
<p>
visit <a href="https://svelte.dev/docs/kit">svelte.dev/docs/kit</a> to learn about SvelteKit
</p>
</footer>-->
</div>
<style>
.app {
display: flex;
flex-direction: column;
min-height: 100vh;
}
main {
flex: 1;
display: flex;
flex-direction: column;
padding: 1rem;
width: 100%;
max-width: 64rem;
margin: 0 auto;
box-sizing: border-box;
}
footer {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
padding: 12px;
}
footer a {
font-weight: bold;
}
@media (min-width: 480px) {
footer {
padding: 12px 0;
}
}
</style>
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export const ssr = false;
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<script lang="ts">
import Covers from './Covers.svelte';
import Stream from './Stream.svelte';
import welcome from '$lib/images/svelte-welcome.webp';
import welcomeFallback from '$lib/images/svelte-welcome.png';
</script>
<!--
<svelte:head>
<title>Home</title>
<meta name="description" content="Svelte demo app" />
</svelte:head>
-->
<section>
<!--<h1>
<span class="welcome">
<picture>
<source srcset={welcome} type="image/webp" />
<img src={welcomeFallback} alt="Welcome" />
</picture>
</span>
to your new<br />SvelteKit app
</h1>
<h2>
try editing <strong>src/routes/+page.svelte</strong>
</h2>-->
<Covers />
<Stream />
</section>
<style>
section {
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
flex: 0.6;
}
h1 {
width: 100%;
}
.welcome {
display: block;
position: relative;
width: 100%;
height: 0;
padding: 0 0 calc(100% * 495 / 2048) 0;
}
.welcome img {
position: absolute;
width: 100%;
height: 100%;
top: 0;
display: block;
}
</style>
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// since there's no dynamic data here, we can prerender
// it so that it gets served as a static asset in production
//export const prerender = true;
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<script lang="ts">
import type { HTMLButtonAttributes } from 'svelte/elements';
import { startStream } from './connect';
import { type App } from './apps';
interface Props {
app: App;
server_name: string;
}
let { app, server_name }: Props = $props();
async function streamApp() {
await startStream(app, server_name);
}
</script>
<div class="app-box" on:click={streamApp}>
<div class="app-artwork">
<div class="play-button"></div>
</div>
<div class="app-title">{app.title}</div>
<div class="app-server">{server_name}</div>
</div>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
background-color: #1a1a1a;
color: white;
}
.apps-container {
display: flex;
flex-wrap: wrap;
gap: 20px;
padding: 20px 0;
}
.app-box {
position: relative;
width: 200px;
height: 280px;
cursor: pointer;
transition: all 0.3s ease;
}
.app-box:hover {
transform: translateY(-5px);
box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}
.app-artwork {
width: 200px;
height: 200px;
background-color: #333;
border: 2px solid #555;
border-radius: 8px;
position: relative;
overflow: hidden;
transition: border-color 0.3s ease;
}
.app-box:hover .app-artwork {
border-color: #00aaff;
}
.app-title {
text-align: center;
margin: 10px 0 5px 0;
font-size: 16px;
font-weight: bold;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.app-server {
text-align: center;
font-size: 12px;
color: #aaa;
margin: 0;
}
.play-button {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 60px;
height: 60px;
background-color: rgba(0, 170, 255, 0.9);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity 0.3s ease;
pointer-events: none;
}
.play-button::after {
content: '';
width: 0;
height: 0;
border-left: 20px solid white;
border-top: 12px solid transparent;
border-bottom: 12px solid transparent;
margin-left: 4px;
}
.app-box:hover .play-button {
opacity: 1;
}
.app-box.clicked {
transform: scale(0.95);
}
.loading {
text-align: center;
font-size: 18px;
margin-top: 50px;
}
.error {
color: #ff4444;
text-align: center;
font-size: 18px;
margin-top: 50px;
}
</style>
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<script lang="ts">
import Cover from './Cover.svelte';
import { fetchApps } from './apps';
interface App {
title: string;
id: number;
hdr_supported: boolean;
}
interface AppsResponse {
apps: Record<string, App[]>;
}
let appsPromise: Promise<AppsResponse>;
//async function fetchApps() {
// console.log('apps');
// const response = await fetch('/api/apps');
// console.log(response);
// const data = (await response.json()) as AppsResponse;
// console.log(data);
// return data;
//}
appsPromise = fetchApps();
</script>
{#await appsPromise}
<p>Loading...</p>
{:then resp}
<div class="apps-container">
{#each Object.entries(resp.apps) as [server_name, apps]}
{#each apps as app}
<Cover {app} {server_name}></Cover>
{/each}
{/each}
</div>
{:catch error}
<p>Error: {error.message}</p>
{/await}
<style>
.apps-container {
display: flex;
flex-wrap: wrap;
gap: 20px;
padding: 20px 0;
}
</style>
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<script lang="ts">
import { page } from '$app/state';
import logo from '$lib/images/svelte-logo.svg';
import github from '$lib/images/github.svg';
</script>
<header>
<div class="corner">
<a href="https://svelte.dev/docs/kit">
<img src={logo} alt="SvelteKit" />
</a>
</div>
<nav>
<svg viewBox="0 0 2 3" aria-hidden="true">
<path d="M0,0 L1,2 C1.5,3 1.5,3 2,3 L2,0 Z" />
</svg>
<ul>
<li aria-current={page.url.pathname === '/' ? 'page' : undefined}>
<a href="/">Home</a>
</li>
<li aria-current={page.url.pathname === '/about' ? 'page' : undefined}>
<a href="/about">About</a>
</li>
<li aria-current={page.url.pathname.startsWith('/sverdle') ? 'page' : undefined}>
<a href="/sverdle">Sverdle</a>
</li>
</ul>
<svg viewBox="0 0 2 3" aria-hidden="true">
<path d="M0,0 L0,3 C0.5,3 0.5,3 1,2 L2,0 Z" />
</svg>
</nav>
<div class="corner">
<a href="https://github.com/sveltejs/kit">
<img src={github} alt="GitHub" />
</a>
</div>
</header>
<style>
header {
display: flex;
justify-content: space-between;
}
.corner {
width: 3em;
height: 3em;
}
.corner a {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
}
.corner img {
width: 2em;
height: 2em;
object-fit: contain;
}
nav {
display: flex;
justify-content: center;
--background: rgba(255, 255, 255, 0.7);
}
svg {
width: 2em;
height: 3em;
display: block;
}
path {
fill: var(--background);
}
ul {
position: relative;
padding: 0;
margin: 0;
height: 3em;
display: flex;
justify-content: center;
align-items: center;
list-style: none;
background: var(--background);
background-size: contain;
}
li {
position: relative;
height: 100%;
}
li[aria-current='page']::before {
--size: 6px;
content: '';
width: 0;
height: 0;
position: absolute;
top: 0;
left: calc(50% - var(--size));
border: var(--size) solid transparent;
border-top: var(--size) solid var(--color-theme-1);
}
nav a {
display: flex;
height: 100%;
align-items: center;
padding: 0 0.5rem;
color: var(--color-text);
font-weight: 700;
font-size: 0.8rem;
text-transform: uppercase;
letter-spacing: 0.1em;
text-decoration: none;
transition: color 0.2s linear;
}
a:hover {
color: var(--color-theme-1);
}
</style>
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<script lang="ts">
import Cover from './Cover.svelte';
import { fetchApps } from './apps';
interface Props {
id: string;
}
let { id }: Props = $props();
</script>
<canvas id="canvas"></canvas>
<!--{#await appsPromise}
<p>Loading...</p>
{:then resp}
<div class="apps-container">
{#each Object.entries(resp.apps) as [server_name, apps]}
{#each apps as app}
<Cover {app} {server_name}></Cover>
{/each}
{/each}
</div>
{:catch error}
<p>Error: {error.message}</p>
{/await}-->
<style>
.apps-container {
display: flex;
flex-wrap: wrap;
gap: 20px;
padding: 20px 0;
}
</style>
+26
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<svelte:head>
<title>About</title>
<meta name="description" content="About this app" />
</svelte:head>
<div class="text-column">
<h1>About this app</h1>
<p>
This is a <a href="https://svelte.dev/docs/kit">SvelteKit</a> app. You can make your own by typing
the following into your command line and following the prompts:
</p>
<pre>npx sv create</pre>
<p>
The page you're looking at is purely static HTML, with no client-side interactivity needed.
Because of that, we don't need to load any JavaScript. Try viewing the page's source, or opening
the devtools network panel and reloading.
</p>
<p>
The <a href="/sverdle">Sverdle</a> page illustrates SvelteKit's data loading and form handling. Try
using it with JavaScript disabled!
</p>
</div>
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import { dev } from '$app/environment';
// we don't need any JS on this page, though we'll load
// it in dev so that we get hot module replacement
export const csr = dev;
// since there's no dynamic data here, we can prerender
// it so that it gets served as a static asset in production
export const prerender = true;
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export interface App {
title: string;
id: number;
hdr_supported: boolean;
}
export interface AppsResponse {
apps: Record<string, App[]>;
}
export async function fetchApps() {
console.log('Getting apps');
const response = await fetch('/api/apps');
console.log(response);
const data = (await response.json()) as AppsResponse;
console.log(data);
return data;
}
+268
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import { type App } from './apps'
//Setup {
// video_format: VideoFormat,
// width: u64,
// height: u64,
// redraw_rate: u64,
// dr_flags: i32,
//},
//DecodeUnit {
// frame_number: u64,
// frame_type: FrameType,
// host_processing_latency: u16,
// receieve_time_ms: u64,
// enqueue_time_ms: u64,
// presentation_time: u64,
// full_length: usize,
// //buffers: Vec<Buffer>,
// buffer: Buffer,
// index: u64,
// hdr_active: bool,
// colorspace: u8,
//},
type Setup = {
video_format: string,
width: number,
height: number,
redraw_rate: number,
dr_flags: number,
}
type SetupPacket = {
Setup: Setup
}
type DecodeUnit = {
frame_number: number,
frame_type: string,
buffer: Array<number>,
}
type DecodeUnitPacket = {
DecodeUnit: DecodeUnit
}
export async function startStream(app: App, server_name: string) {
try {
console.log(`Starting stream for ${app.title} on ${server_name}`);
// Create the POST request payload
const payload = {
id: app.id,
server: server_name,
server_mode: {
fps: 60,
height: 1280,
width: 720
},
stream_config: {
bitrate_kbps: 5120,
mode: {
fps: 60,
height: 1280,
width: 720
}
}
};
// Make POST request to start stream
const response = await fetch('/api/stream/start', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(payload)
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}: ${await response.text()}`);
}
const streamData = await response.json();
console.log('Stream started:', streamData);
if (streamData.url && streamData.cert_hash) {
await connectToStream(streamData.url, streamData.cert_hash);
} else {
throw new Error('Response was missing required parameters');
}
} catch (error) {
console.error('Error starting stream:', error);
alert('Failed to start stream: ' + error.message);
}
}
export async function connectToStream(url: string, cert_hash: Array<number>) {
const buffer = new Uint8Array(cert_hash);
console.log('Hash: ', buffer);
try {
console.log(`Connecting to stream`);
// Check if WebTransport is supported
if (!window.WebTransport) {
throw new Error('WebTransport is not supported in this browser');
}
//const url = new URL();
const transport = new WebTransport(url, {
serverCertificateHashes: [
{
algorithm: "sha-256",
value: buffer,
}
]
});
console.log('Connecting to WebTransport at ', url);
// Wait for the connection to be ready
await transport.ready;
console.log('WebTransport connection established');
console.log('Creating WebTransport bidirectional stream');
const stream = await transport.createBidirectionalStream();
console.log('Bidirectional stream created');
const reader = stream.readable.getReader();
function parseData(newBuffer: Uint8Array, oldBuffer: Uint8Array): [Array<Object>, Uint8Array<ArrayBuffer>] {
let packets = new Array<Object>();
let unparsedData = new Uint8Array();
let data = new Uint8Array([...oldBuffer, ...newBuffer]);
let index = 0;
while (true) {
if (index >= data.length) {
break
}
const view = new DataView(data.buffer.slice(index, index + 4));
const dataLength = view.getUint32(0, true);
const slice_start_index = index + 4;
const slice_end_index = index + 4 + dataLength;
if (data.length < slice_end_index) {
unparsedData = new Uint8Array(data.buffer.slice(index, data.length));
break;
}
const dataToParse = data.buffer.slice(slice_start_index, slice_end_index);
const decoder = new TextDecoder('utf-8');
const jsonString = decoder.decode(dataToParse);
packets.push(JSON.parse(jsonString));
index += 4 + dataLength;
}
return [packets, unparsedData];
}
let unparsedData = new Uint8Array();
const canvas: HTMLCanvasElement | null = <HTMLCanvasElement>document.getElementById('canvas');
if (canvas == null) {
throw new Error(`Could not find canvas`);
}
const ctx: CanvasRenderingContext2D | null = canvas.getContext('2d');
if (ctx == null) {
throw new Error(`Could not get 2d canvas context`);
}
const videoDecoder = new VideoDecoder({
output: (frame) => {
// Set canvas dimensions to match the frame
canvas.width = frame.displayWidth;
canvas.height = frame.displayHeight;
// Draw the decoded frame to canvas
ctx.drawImage(frame, 0, 0);
// Important: close the frame to free memory
frame.close();
},
error: (e) => {
console.error('Decode error:', e);
}
});
while (true) {
const { value, done } = await reader.read();
if (done) break;
let [packets, remainingData] = parseData(value, unparsedData);
unparsedData = remainingData;
for (let i = 0; i < packets.length; i++) {
console.log(packets[i]);
if (Object.hasOwn(packets[i], "Setup")) {
let packet = packets[i] as SetupPacket;
let config: VideoDecoderConfig | undefined = undefined;
if (packet.Setup.video_format == "H264") {
config = {
codec: 'avc1.42E01E', // H.264 codec
codedWidth: packet.Setup.width,
codedHeight: packet.Setup.height,
};
} else {
throw new Error(`Unsupported video codec ${packet.Setup.video_format}`);
}
const codecSupport = await VideoDecoder.isConfigSupported(config);
if (codecSupport.supported) {
videoDecoder.configure(config);
}
} else if (Object.hasOwn(packets[i], "DecodeUnit")) {
let packet = packets[i] as DecodeUnitPacket;
let frame_type: EncodedAudioChunkType = "delta";
if (packet.DecodeUnit.frame_type == "IDR") {
frame_type = "key";
}
const chunk = new EncodedVideoChunk({
timestamp: 0,
type: frame_type,
data: new Uint8Array(packet.DecodeUnit.buffer),
});
videoDecoder.decode(chunk);
} else {
throw new Error(`Got packet of unknown type`);
}
}
}
//console.log(`Received: ${new TextDecoder().decode(value)}`);
//readData();
// Handle connection close
transport.closed.then(() => {
console.log('WebTransport connection closed');
}).catch((error) => {
console.error('WebTransport connection closed with error:', error);
});
// You can add more WebTransport handling logic here
// For example, handling incoming streams, sending data, etc.
} catch (error) {
console.error('Error connecting to stream:', error);
alert('Failed to connect to stream: ' + error.message);
}
}
@@ -0,0 +1,69 @@
import { fail } from '@sveltejs/kit';
import { Game } from './game';
import type { PageServerLoad, Actions } from './$types';
export const load = (({ cookies }) => {
const game = new Game(cookies.get('sverdle'));
return {
/**
* The player's guessed words so far
*/
guesses: game.guesses,
/**
* An array of strings like '__x_c' corresponding to the guesses, where 'x' means
* an exact match, and 'c' means a close match (right letter, wrong place)
*/
answers: game.answers,
/**
* The correct answer, revealed if the game is over
*/
answer: game.answers.length >= 6 ? game.answer : null
};
}) satisfies PageServerLoad;
export const actions = {
/**
* Modify game state in reaction to a keypress. If client-side JavaScript
* is available, this will happen in the browser instead of here
*/
update: async ({ request, cookies }) => {
const game = new Game(cookies.get('sverdle'));
const data = await request.formData();
const key = data.get('key');
const i = game.answers.length;
if (key === 'backspace') {
game.guesses[i] = game.guesses[i].slice(0, -1);
} else {
game.guesses[i] += key;
}
cookies.set('sverdle', game.toString(), { path: '/' });
},
/**
* Modify game state in reaction to a guessed word. This logic always runs on
* the server, so that people can't cheat by peeking at the JavaScript
*/
enter: async ({ request, cookies }) => {
const game = new Game(cookies.get('sverdle'));
const data = await request.formData();
const guess = data.getAll('guess') as string[];
if (!game.enter(guess)) {
return fail(400, { badGuess: true });
}
cookies.set('sverdle', game.toString(), { path: '/' });
},
restart: async ({ cookies }) => {
cookies.delete('sverdle', { path: '/' });
}
} satisfies Actions;
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<script lang="ts">
import { enhance } from '$app/forms';
import { confetti } from '@neoconfetti/svelte';
import type { ActionData, PageData } from './$types';
import { MediaQuery } from 'svelte/reactivity';
interface Props {
data: PageData;
form: ActionData;
}
let { data, form = $bindable() }: Props = $props();
/** Whether the user prefers reduced motion */
const reducedMotion = new MediaQuery('(prefers-reduced-motion: reduce)');
/** Whether or not the user has won */
let won = $derived(data.answers.at(-1) === 'xxxxx');
/** The index of the current guess */
let i = $derived(won ? -1 : data.answers.length);
/** The current guess */
let currentGuess = $derived(data.guesses[i] || '');
/** Whether the current guess can be submitted */
let submittable = $derived(currentGuess.length === 5);
const { classnames, description } = $derived.by(() => {
/**
* A map of classnames for all letters that have been guessed,
* used for styling the keyboard
*/
let classnames: Record<string, 'exact' | 'close' | 'missing'> = {};
/**
* A map of descriptions for all letters that have been guessed,
* used for adding text for assistive technology (e.g. screen readers)
*/
let description: Record<string, string> = {};
data.answers.forEach((answer, i) => {
const guess = data.guesses[i];
for (let i = 0; i < 5; i += 1) {
const letter = guess[i];
if (answer[i] === 'x') {
classnames[letter] = 'exact';
description[letter] = 'correct';
} else if (!classnames[letter]) {
classnames[letter] = answer[i] === 'c' ? 'close' : 'missing';
description[letter] = answer[i] === 'c' ? 'present' : 'absent';
}
}
});
return { classnames, description };
});
/**
* Modify the game state without making a trip to the server,
* if client-side JavaScript is enabled
*/
function update(event: MouseEvent) {
event.preventDefault();
const key = (event.target as HTMLButtonElement).getAttribute(
'data-key'
);
if (key === 'backspace') {
currentGuess = currentGuess.slice(0, -1);
if (form?.badGuess) form.badGuess = false;
} else if (currentGuess.length < 5) {
currentGuess += key;
}
}
/**
* Trigger form logic in response to a keydown event, so that
* desktop users can use the keyboard to play the game
*/
function keydown(event: KeyboardEvent) {
if (event.metaKey) return;
if (event.key === 'Enter' && !submittable) return;
document
.querySelector(`[data-key="${event.key}" i]`)
?.dispatchEvent(new MouseEvent('click', { cancelable: true, bubbles: true }));
}
</script>
<svelte:window onkeydown={keydown} />
<svelte:head>
<title>Sverdle</title>
<meta name="description" content="A Wordle clone written in SvelteKit" />
</svelte:head>
<h1 class="visually-hidden">Sverdle</h1>
<form
method="post"
action="?/enter"
use:enhance={() => {
// prevent default callback from resetting the form
return ({ update }) => {
update({ reset: false });
};
}}
>
<a class="how-to-play" href="/sverdle/how-to-play">How to play</a>
<div class="grid" class:playing={!won} class:bad-guess={form?.badGuess}>
{#each Array.from(Array(6).keys()) as row (row)}
{@const current = row === i}
<h2 class="visually-hidden">Row {row + 1}</h2>
<div class="row" class:current>
{#each Array.from(Array(5).keys()) as column (column)}
{@const guess = current ? currentGuess : data.guesses[row]}
{@const answer = data.answers[row]?.[column]}
{@const value = guess?.[column] ?? ''}
{@const selected = current && column === guess.length}
{@const exact = answer === 'x'}
{@const close = answer === 'c'}
{@const missing = answer === '_'}
<div class="letter" class:exact class:close class:missing class:selected>
{value}
<span class="visually-hidden">
{#if exact}
(correct)
{:else if close}
(present)
{:else if missing}
(absent)
{:else}
empty
{/if}
</span>
<input name="guess" disabled={!current} type="hidden" {value} />
</div>
{/each}
</div>
{/each}
</div>
<div class="controls">
{#if won || data.answers.length >= 6}
{#if !won && data.answer}
<p>the answer was "{data.answer}"</p>
{/if}
<button data-key="enter" class="restart selected" formaction="?/restart">
{won ? 'you won :)' : `game over :(`} play again?
</button>
{:else}
<div class="keyboard">
<button data-key="enter" class:selected={submittable} disabled={!submittable}>enter</button>
<button
onclick={update}
data-key="backspace"
formaction="?/update"
name="key"
value="backspace"
>
back
</button>
{#each ['qwertyuiop', 'asdfghjkl', 'zxcvbnm'] as row (row)}
<div class="row">
{#each row as letter, index (index)}
<button
onclick={update}
data-key={letter}
class={classnames[letter]}
disabled={submittable}
formaction="?/update"
name="key"
value={letter}
aria-label="{letter} {description[letter] || ''}"
>
{letter}
</button>
{/each}
</div>
{/each}
</div>
{/if}
</div>
</form>
{#if won}
<div
style="position: absolute; left: 50%; top: 30%"
use:confetti={{
particleCount: reducedMotion.current ? 0 : undefined,
force: 0.7,
stageWidth: window.innerWidth,
stageHeight: window.innerHeight,
colors: ['#ff3e00', '#40b3ff', '#676778']
}}
></div>
{/if}
<style>
form {
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
gap: 1rem;
flex: 1;
}
.how-to-play {
color: var(--color-text);
}
.how-to-play::before {
content: 'i';
display: inline-block;
font-size: 0.8em;
font-weight: 900;
width: 1em;
height: 1em;
padding: 0.2em;
line-height: 1;
border: 1.5px solid var(--color-text);
border-radius: 50%;
text-align: center;
margin: 0 0.5em 0 0;
position: relative;
top: -0.05em;
}
.grid {
--width: min(100vw, 40vh, 380px);
max-width: var(--width);
align-self: center;
justify-self: center;
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
justify-content: flex-start;
}
.grid .row {
display: grid;
grid-template-columns: repeat(5, 1fr);
grid-gap: 0.2rem;
margin: 0 0 0.2rem 0;
}
@media (prefers-reduced-motion: no-preference) {
.grid.bad-guess .row.current {
animation: wiggle 0.5s;
}
}
.grid.playing .row.current {
filter: drop-shadow(3px 3px 10px var(--color-bg-0));
}
.letter {
aspect-ratio: 1;
width: 100%;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
box-sizing: border-box;
text-transform: lowercase;
border: none;
font-size: calc(0.08 * var(--width));
border-radius: 2px;
background: white;
margin: 0;
color: rgba(0, 0, 0, 0.7);
}
.letter.missing {
background: rgba(255, 255, 255, 0.5);
color: rgba(0, 0, 0, 0.5);
}
.letter.exact {
background: var(--color-theme-2);
color: white;
}
.letter.close {
border: 2px solid var(--color-theme-2);
}
.selected {
outline: 2px solid var(--color-theme-1);
}
.controls {
text-align: center;
justify-content: center;
height: min(18vh, 10rem);
}
.keyboard {
--gap: 0.2rem;
position: relative;
display: flex;
flex-direction: column;
gap: var(--gap);
height: 100%;
}
.keyboard .row {
display: flex;
justify-content: center;
gap: 0.2rem;
flex: 1;
}
.keyboard button,
.keyboard button:disabled {
--size: min(8vw, 4vh, 40px);
background-color: white;
color: black;
width: var(--size);
border: none;
border-radius: 2px;
font-size: calc(var(--size) * 0.5);
margin: 0;
}
.keyboard button.exact {
background: var(--color-theme-2);
color: white;
}
.keyboard button.missing {
opacity: 0.5;
}
.keyboard button.close {
border: 2px solid var(--color-theme-2);
}
.keyboard button:focus {
background: var(--color-theme-1);
color: white;
outline: none;
}
.keyboard button[data-key='enter'],
.keyboard button[data-key='backspace'] {
position: absolute;
bottom: 0;
width: calc(1.5 * var(--size));
height: calc(1 / 3 * (100% - 2 * var(--gap)));
text-transform: uppercase;
font-size: calc(0.3 * var(--size));
padding-top: calc(0.15 * var(--size));
}
.keyboard button[data-key='enter'] {
right: calc(50% + 3.5 * var(--size) + 0.8rem);
}
.keyboard button[data-key='backspace'] {
left: calc(50% + 3.5 * var(--size) + 0.8rem);
}
.keyboard button[data-key='enter']:disabled {
opacity: 0.5;
}
.restart {
width: 100%;
padding: 1rem;
background: rgba(255, 255, 255, 0.5);
border-radius: 2px;
border: none;
}
.restart:focus,
.restart:hover {
background: var(--color-theme-1);
color: white;
outline: none;
}
@keyframes wiggle {
0% {
transform: translateX(0);
}
10% {
transform: translateX(-2px);
}
30% {
transform: translateX(4px);
}
50% {
transform: translateX(-6px);
}
70% {
transform: translateX(+4px);
}
90% {
transform: translateX(-2px);
}
100% {
transform: translateX(0);
}
}
</style>
+75
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@@ -0,0 +1,75 @@
import { words, allowed } from './words.server';
export class Game {
index: number;
guesses: string[];
answers: string[];
answer: string;
/**
* Create a game object from the player's cookie, or initialise a new game
*/
constructor(serialized: string | undefined = undefined) {
if (serialized) {
const [index, guesses, answers] = serialized.split('-');
this.index = +index;
this.guesses = guesses ? guesses.split(' ') : [];
this.answers = answers ? answers.split(' ') : [];
} else {
this.index = Math.floor(Math.random() * words.length);
this.guesses = ['', '', '', '', '', ''];
this.answers = [];
}
this.answer = words[this.index];
}
/**
* Update game state based on a guess of a five-letter word. Returns
* true if the guess was valid, false otherwise
*/
enter(letters: string[]) {
const word = letters.join('');
const valid = allowed.has(word);
if (!valid) return false;
this.guesses[this.answers.length] = word;
const available = Array.from(this.answer);
const answer = Array(5).fill('_');
// first, find exact matches
for (let i = 0; i < 5; i += 1) {
if (letters[i] === available[i]) {
answer[i] = 'x';
available[i] = ' ';
}
}
// then find close matches (this has to happen
// in a second step, otherwise an early close
// match can prevent a later exact match)
for (let i = 0; i < 5; i += 1) {
if (answer[i] === '_') {
const index = available.indexOf(letters[i]);
if (index !== -1) {
answer[i] = 'c';
available[index] = ' ';
}
}
}
this.answers.push(answer.join(''));
return true;
}
/**
* Serialize game state so it can be set as a cookie
*/
toString() {
return `${this.index}-${this.guesses.join(' ')}-${this.answers.join(' ')}`;
}
}
@@ -0,0 +1,95 @@
<svelte:head>
<title>How to play Sverdle</title>
<meta name="description" content="How to play Sverdle" />
</svelte:head>
<div class="text-column">
<h1>How to play Sverdle</h1>
<p>
Sverdle is a clone of <a href="https://www.nytimes.com/games/wordle/index.html">Wordle</a>, the
word guessing game. To play, enter a five-letter English word. For example:
</p>
<div class="example">
<span class="close">r</span>
<span class="missing">i</span>
<span class="close">t</span>
<span class="missing">z</span>
<span class="exact">y</span>
</div>
<p>
The <span class="exact">y</span> is in the right place. <span class="close">r</span> and
<span class="close">t</span>
are the right letters, but in the wrong place. The other letters are wrong, and can be discarded.
Let's make another guess:
</p>
<div class="example">
<span class="exact">p</span>
<span class="exact">a</span>
<span class="exact">r</span>
<span class="exact">t</span>
<span class="exact">y</span>
</div>
<p>This time we guessed right! You have <strong>six</strong> guesses to get the word.</p>
<p>
Unlike the original Wordle, Sverdle runs on the server instead of in the browser, making it
impossible to cheat. It uses <code>&lt;form&gt;</code> and cookies to submit data, meaning you can
even play with JavaScript disabled!
</p>
</div>
<style>
span {
display: inline-flex;
justify-content: center;
align-items: center;
font-size: 0.8em;
width: 2.4em;
height: 2.4em;
background-color: white;
box-sizing: border-box;
border-radius: 2px;
border-width: 2px;
color: rgba(0, 0, 0, 0.7);
}
.missing {
background: rgba(255, 255, 255, 0.5);
color: rgba(0, 0, 0, 0.5);
}
.close {
border-style: solid;
border-color: var(--color-theme-2);
}
.exact {
background: var(--color-theme-2);
color: white;
}
.example {
display: flex;
justify-content: flex-start;
margin: 1rem 0;
gap: 0.2rem;
}
.example span {
font-size: 1.4rem;
}
p span {
position: relative;
border-width: 1px;
border-radius: 1px;
font-size: 0.4em;
transform: scale(2) translate(0, -10%);
margin: 0 1em;
}
</style>
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import { dev } from '$app/environment';
// we don't need any JS on this page, though we'll load
// it in dev so that we get hot module replacement
export const csr = dev;
// since there's no dynamic data here, we can prerender
// it so that it gets served as a static asset in production
export const prerender = true;
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<svg xmlns="http://www.w3.org/2000/svg" width="107" height="128" viewBox="0 0 107 128"><title>svelte-logo</title><path d="M94.157 22.819c-10.4-14.885-30.94-19.297-45.792-9.835L22.282 29.608A29.92 29.92 0 0 0 8.764 49.65a31.5 31.5 0 0 0 3.108 20.231 30 30 0 0 0-4.477 11.183 31.9 31.9 0 0 0 5.448 24.116c10.402 14.887 30.942 19.297 45.791 9.835l26.083-16.624A29.92 29.92 0 0 0 98.235 78.35a31.53 31.53 0 0 0-3.105-20.232 30 30 0 0 0 4.474-11.182 31.88 31.88 0 0 0-5.447-24.116" style="fill:#ff3e00"/><path d="M45.817 106.582a20.72 20.72 0 0 1-22.237-8.243 19.17 19.17 0 0 1-3.277-14.503 18 18 0 0 1 .624-2.435l.49-1.498 1.337.981a33.6 33.6 0 0 0 10.203 5.098l.97.294-.09.968a5.85 5.85 0 0 0 1.052 3.878 6.24 6.24 0 0 0 6.695 2.485 5.8 5.8 0 0 0 1.603-.704L69.27 76.28a5.43 5.43 0 0 0 2.45-3.631 5.8 5.8 0 0 0-.987-4.371 6.24 6.24 0 0 0-6.698-2.487 5.7 5.7 0 0 0-1.6.704l-9.953 6.345a19 19 0 0 1-5.296 2.326 20.72 20.72 0 0 1-22.237-8.243 19.17 19.17 0 0 1-3.277-14.502 17.99 17.99 0 0 1 8.13-12.052l26.081-16.623a19 19 0 0 1 5.3-2.329 20.72 20.72 0 0 1 22.237 8.243 19.17 19.17 0 0 1 3.277 14.503 18 18 0 0 1-.624 2.435l-.49 1.498-1.337-.98a33.6 33.6 0 0 0-10.203-5.1l-.97-.294.09-.968a5.86 5.86 0 0 0-1.052-3.878 6.24 6.24 0 0 0-6.696-2.485 5.8 5.8 0 0 0-1.602.704L37.73 51.72a5.42 5.42 0 0 0-2.449 3.63 5.79 5.79 0 0 0 .986 4.372 6.24 6.24 0 0 0 6.698 2.486 5.8 5.8 0 0 0 1.602-.704l9.952-6.342a19 19 0 0 1 5.295-2.328 20.72 20.72 0 0 1 22.237 8.242 19.17 19.17 0 0 1 3.277 14.503 18 18 0 0 1-8.13 12.053l-26.081 16.622a19 19 0 0 1-5.3 2.328" style="fill:#fff"/></svg>

After

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:
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import adapter from '@sveltejs/adapter-static';
import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
/** @type {import('@sveltejs/kit').Config} */
const config = {
// Consult https://svelte.dev/docs/kit/integrations
// for more information about preprocessors
preprocess: vitePreprocess(),
kit: { adapter: adapter() }
};
export default config;
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{
"extends": "./.svelte-kit/tsconfig.json",
"compilerOptions": {
"allowJs": true,
"checkJs": true,
"esModuleInterop": true,
"forceConsistentCasingInFileNames": true,
"resolveJsonModule": true,
"skipLibCheck": true,
"sourceMap": true,
"strict": true,
"moduleResolution": "bundler"
}
// Path aliases are handled by https://svelte.dev/docs/kit/configuration#alias
// except $lib which is handled by https://svelte.dev/docs/kit/configuration#files
//
// If you want to overwrite includes/excludes, make sure to copy over the relevant includes/excludes
// from the referenced tsconfig.json - TypeScript does not merge them in
}
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import tailwindcss from '@tailwindcss/vite';
import { sveltekit } from '@sveltejs/kit/vite';
import { defineConfig } from 'vite';
export default defineConfig({
plugins: [tailwindcss(), sveltekit()]
});