weeee💃

frontend/.gitignore

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+test-results
+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-*
+
+# Paraglide
+src/lib/paraglide

frontend/.npmrc

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+engine-strict=true

frontend/.prettierignore

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+# Package Managers
+package-lock.json
+pnpm-lock.yaml
+yarn.lock

frontend/.prettierrc

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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"
+			}
+		}
+	]
+}

frontend/README.md

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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.

frontend/e2e/demo.test.ts

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+import { expect, test } from '@playwright/test';
+
+test('home page has expected h1', async ({ page }) => {
+	await page.goto('/');
+	await expect(page.locator('h1')).toBeVisible();
+});

frontend/eslint.config.js

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+import prettier from 'eslint-config-prettier';
+import js from '@eslint/js';
+import { includeIgnoreFile } from '@eslint/compat';
+import svelte from 'eslint-plugin-svelte';
+import globals from 'globals';
+import { fileURLToPath } from 'node:url';
+import ts from 'typescript-eslint';
+const gitignorePath = fileURLToPath(new URL('./.gitignore', import.meta.url));
+
+export default ts.config(
+	includeIgnoreFile(gitignorePath),
+	js.configs.recommended,
+	...ts.configs.recommended,
+	...svelte.configs['flat/recommended'],
+	prettier,
+	...svelte.configs['flat/prettier'],
+	{
+		languageOptions: {
+			globals: {
+				...globals.browser,
+				...globals.node
+			}
+		}
+	},
+	{
+		files: ['**/*.svelte'],
+
+		languageOptions: {
+			parserOptions: {
+				parser: ts.parser
+			}
+		}
+	}
+);

frontend/messages/en.json

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+{
+	"$schema": "https://inlang.com/schema/inlang-message-format",
+	"hello_world": "Hello, {name} from en!"
+}

frontend/package.json

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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 .",
+		"test:unit": "vitest",
+		"test": "npm run test:unit -- --run && npm run test:e2e",
+		"test:e2e": "playwright test"
+	},
+	"devDependencies": {
+		"@eslint/compat": "^1.2.5",
+		"@eslint/js": "^9.18.0",
+		"@playwright/test": "^1.49.1",
+		"@sveltejs/adapter-node": "^5.2.11",
+		"@sveltejs/kit": "^2.16.0",
+		"@sveltejs/vite-plugin-svelte": "^5.0.0",
+		"@tailwindcss/container-queries": "^0.1.1",
+		"@tailwindcss/forms": "^0.5.10",
+		"@tailwindcss/typography": "^0.5.16",
+		"autoprefixer": "^10.4.20",
+		"eslint": "^9.18.0",
+		"eslint-config-prettier": "^10.0.1",
+		"eslint-plugin-svelte": "^2.46.1",
+		"globals": "^15.14.0",
+		"prettier": "^3.4.2",
+		"prettier-plugin-svelte": "^3.3.3",
+		"prettier-plugin-tailwindcss": "^0.6.10",
+		"svelte": "^5.0.0",
+		"svelte-check": "^4.0.0",
+		"tailwindcss": "^3.4.17",
+		"typescript": "^5.0.0",
+		"typescript-eslint": "^8.20.0",
+		"vite": "^6.0.0",
+		"vitest": "^3.0.0"
+	},
+	"dependencies": {
+		"@inlang/paraglide-sveltekit": "^0.15.5"
+	}
+}

frontend/playwright.config.ts

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+import { defineConfig } from '@playwright/test';
+
+export default defineConfig({
+	webServer: {
+		command: 'npm run build && npm run preview',
+		port: 4173
+	},
+
+	testDir: 'e2e'
+});

frontend/postcss.config.js

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+export default {
+	plugins: {
+		tailwindcss: {},
+		autoprefixer: {}
+	}
+};

frontend/project.inlang/settings.json

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+{
+	"$schema": "https://inlang.com/schema/project-settings",
+	"modules": [
+		"https://cdn.jsdelivr.net/npm/@inlang/message-lint-rule-empty-pattern@1/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/message-lint-rule-identical-pattern@1/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/message-lint-rule-missing-translation@1/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/message-lint-rule-without-source@1/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/message-lint-rule-valid-js-identifier@1/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/plugin-message-format@2/dist/index.js",
+		"https://cdn.jsdelivr.net/npm/@inlang/plugin-m-function-matcher@0/dist/index.js"
+	],
+	"plugin.inlang.messageFormat": {
+		"pathPattern": "./messages/{languageTag}.json"
+	},
+	"sourceLanguageTag": "en",
+	"languageTags": ["en"]
+}

frontend/src/app.css

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+@import 'tailwindcss/base';
+@import 'tailwindcss/components';
+@import 'tailwindcss/utilities';

frontend/src/app.d.ts

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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 {};

frontend/src/app.html

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+<!doctype html>
+<html lang="%paraglide.lang%" dir="%paraglide.textDirection%">
+	<head>
+		<meta charset="utf-8" />
+		<link rel="icon" href="%sveltekit.assets%/favicon.png" />
+		<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>

frontend/src/demo.spec.ts

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+import { describe, it, expect } from 'vitest';
+
+describe('sum test', () => {
+	it('adds 1 + 2 to equal 3', () => {
+		expect(1 + 2).toBe(3);
+	});
+});

frontend/src/hooks.server.ts

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+import type { Handle } from '@sveltejs/kit';
+import { i18n } from '$lib/i18n';
+const handleParaglide: Handle = i18n.handle();
+export const handle: Handle = handleParaglide;

frontend/src/hooks.ts

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+import { i18n } from '$lib/i18n';
+export const reroute = i18n.reroute();

frontend/src/lib/i18n.ts

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+import * as runtime from '$lib/paraglide/runtime';
+import { createI18n } from '@inlang/paraglide-sveltekit';
+export const i18n = createI18n(runtime);

frontend/src/lib/index.ts

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+// place files you want to import through the `$lib` alias in this folder.

frontend/src/routes/+layout.svelte

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+<script lang="ts">
+	import { i18n } from '$lib/i18n';
+	import { ParaglideJS } from '@inlang/paraglide-sveltekit';
+	import '../app.css';
+	let { children } = $props();
+</script>
+
+<ParaglideJS {i18n}>
+	{@render children()}
+</ParaglideJS>

frontend/src/routes/+page.svelte

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+<h1>Welcome to SvelteKit</h1>
+<p>Visit <a href="https://svelte.dev/docs/kit">svelte.dev/docs/kit</a> to read the documentation</p>

frontend/src/routes/demo/+page.svelte

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+<a href="/demo/paraglide">paraglide</a>

frontend/src/routes/demo/paraglide/+page.svelte

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+<script lang="ts">
+	import type { AvailableLanguageTag } from '$lib/paraglide/runtime';
+	import { i18n } from '$lib/i18n';
+	import { page } from '$app/state';
+	import { goto } from '$app/navigation';
+	import * as m from '$lib/paraglide/messages.js';
+
+	function switchToLanguage(newLanguage: AvailableLanguageTag) {
+		const canonicalPath = i18n.route(page.url.pathname);
+		const localisedPath = i18n.resolveRoute(canonicalPath, newLanguage);
+		goto(localisedPath);
+	}
+</script>
+
+<h1>{m.hello_world({ name: 'SvelteKit User' })}</h1>
+<div>
+	<button onclick={() => switchToLanguage('en')}>en</button>
+</div>

frontend/svelte.config.js

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+import adapter from '@sveltejs/adapter-node';
+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-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
+		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
+		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
+		adapter: adapter()
+	}
+};
+
+export default config;

frontend/tailwind.config.ts

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+import containerQueries from '@tailwindcss/container-queries';
+import forms from '@tailwindcss/forms';
+import typography from '@tailwindcss/typography';
+import type { Config } from 'tailwindcss';
+
+export default {
+	content: ['./src/**/*.{html,js,svelte,ts}'],
+
+	theme: {
+		extend: {}
+	},
+
+	plugins: [typography, forms, containerQueries]
+} satisfies Config;

frontend/tsconfig.json

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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
+}

frontend/vite.config.ts

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+import { paraglide } from '@inlang/paraglide-sveltekit/vite';
+import { defineConfig } from 'vitest/config';
+import { sveltekit } from '@sveltejs/kit/vite';
+
+export default defineConfig({
+	plugins: [
+		sveltekit(),
+		paraglide({
+			project: './project.inlang',
+			outdir: './src/lib/paraglide'
+		})
+	],
+
+	test: {
+		include: ['src/**/*.{test,spec}.{js,ts}']
+	}
+});