part 1 of moving from next to svelte

svelte/.eslintignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

svelte/.eslintrc.cjs

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+module.exports = {
+	root: true,
+	extends: [
+		'eslint:recommended',
+		'plugin:@typescript-eslint/recommended',
+		'plugin:svelte/recommended',
+		'prettier'
+	],
+	parser: '@typescript-eslint/parser',
+	plugins: ['@typescript-eslint'],
+	parserOptions: {
+		sourceType: 'module',
+		ecmaVersion: 2020,
+		extraFileExtensions: ['.svelte']
+	},
+	env: {
+		browser: true,
+		es2017: true,
+		node: true
+	},
+	overrides: [
+		{
+			files: ['*.svelte'],
+			parser: 'svelte-eslint-parser',
+			parserOptions: {
+				parser: '@typescript-eslint/parser'
+			}
+		}
+	]
+};

svelte/.gitignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*

svelte/.npmrc

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+engine-strict=true
+resolution-mode=highest

svelte/.prettierignore

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+.DS_Store
+node_modules
+/build
+/.svelte-kit
+/package
+.env
+.env.*
+!.env.example
+
+# Ignore files for PNPM, NPM and YARN
+pnpm-lock.yaml
+package-lock.json
+yarn.lock

svelte/.prettierrc

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+{
+	"useTabs": true,
+	"singleQuote": true,
+	"trailingComma": "none",
+	"printWidth": 100,
+	"plugins": ["prettier-plugin-svelte"],
+	"pluginSearchDirs": ["."],
+	"overrides": [{ "files": "*.svelte", "options": { "parser": "svelte" } }]
+}

svelte/README.md

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+# create-svelte
+
+Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/kit/tree/master/packages/create-svelte).
+
+## 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
+npm create svelte@latest
+
+# create a new project in my-app
+npm create svelte@latest 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://kit.svelte.dev/docs/adapters) for your target environment.

svelte/package.json

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+{
+	"name": "svelte",
+	"version": "0.0.1",
+	"private": true,
+	"scripts": {
+		"dev": "vite dev",
+		"build": "vite build",
+		"preview": "vite preview",
+		"test": "npm run test:integration && npm run test:unit",
+		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
+		"lint": "prettier --plugin-search-dir . --check . && eslint .",
+		"format": "prettier --plugin-search-dir . --write .",
+		"test:integration": "playwright test",
+		"test:unit": "vitest"
+	},
+	"devDependencies": {
+		"@playwright/test": "^1.28.1",
+		"@sveltejs/adapter-auto": "^2.0.0",
+		"@sveltejs/kit": "^1.20.4",
+		"@typescript-eslint/eslint-plugin": "^5.45.0",
+		"@typescript-eslint/parser": "^5.45.0",
+		"autoprefixer": "^10.4.14",
+		"eslint": "^8.28.0",
+		"eslint-config-prettier": "^8.5.0",
+		"eslint-plugin-svelte": "^2.30.0",
+		"postcss": "^8.4.26",
+		"prettier": "^2.8.0",
+		"prettier-plugin-svelte": "^2.10.1",
+		"svelte": "^4.0.5",
+		"svelte-check": "^3.4.3",
+		"tailwindcss": "^3.3.3",
+		"tslib": "^2.4.1",
+		"typescript": "^5.0.0",
+		"vite": "^4.4.2",
+		"vitest": "^0.32.2"
+	},
+	"type": "module",
+	"dependencies": {
+		"@wagmi/core": "^1.3.8",
+		"svelte-wagmi": "^0.3.4",
+		"viem": "^1.3.0"
+	}
+}

svelte/playwright.config.ts

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+import type { PlaywrightTestConfig } from '@playwright/test';
+
+const config: PlaywrightTestConfig = {
+	webServer: {
+		command: 'npm run build && npm run preview',
+		port: 4173
+	},
+	testDir: 'tests',
+	testMatch: /(.+\.)?(test|spec)\.[jt]s/
+};
+
+export default config;

svelte/postcss.config.js

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

svelte/src/app.css

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+@tailwind base;
+@tailwind components;
+@tailwind utilities;

svelte/src/app.d.ts

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+// See https://kit.svelte.dev/docs/types#app
+// for information about these interfaces
+declare global {
+	namespace App {
+		// interface Error {}
+		// interface Locals {}
+		// interface PageData {}
+		// interface Platform {}
+	}
+}
+
+export {};

svelte/src/app.html

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+<!DOCTYPE html>
+<html lang="en">
+	<head>
+		<meta charset="utf-8" />
+		<link rel="icon" href="%sveltekit.assets%/favicon.png" />
+		<meta name="viewport" content="width=device-width" />
+		%sveltekit.head%
+	</head>
+	<body data-sveltekit-preload-data="hover">
+		<div style="display: contents">%sveltekit.body%</div>
+	</body>
+</html>

svelte/src/index.test.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);
+	});
+});

svelte/src/lib/provider.svelte

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+<script>
+	import { configureWagmi } from 'svelte-wagmi';
+	import { onMount } from 'svelte';
+
+	const WALLETCONNECT_PROJECT_ID = import.meta.env.VITE_WALLETCONECT_PROJECT_ID;
+	const ALCHEMY_KEY = import.meta.env.VITE_ALCHEMY_KEY;
+
+	onMount(() => {
+		// Configuration for Wagmi.
+		configureWagmi({
+			walletconnect: true,
+			walletconnectProjectID: WALLETCONNECT_PROJECT_ID,
+			alchemyKey: ALCHEMY_KEY,
+			autoConnect: true
+		});
+	});
+</script>

svelte/src/routes/+layout.svelte

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+<script>
+	import '../app.css';
+	import Provider from '../lib/provider.svelte';
+</script>
+
+<Provider />
+<slot />

svelte/src/routes/+page.svelte

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+<script>
+	import { web3Modal, connected, chainId, signerAddress } from 'svelte-wagmi';
+	import { fetchBalance } from '@wagmi/core';
+
+	let userBalance = '0'; // simple reactive variable for the balance
+
+	// Automatically fetch balance when connected
+	$: if ($connected) {
+		showBalance();
+	}
+
+	async function showBalance() {
+		const balance = await fetchBalance({
+			address: $signerAddress // Using connected address dynamically
+		});
+		userBalance = balance.formatted; // Directly update the reactive variable
+	}
+</script>
+
+{#if $connected}
+	<div>
+		<p>Connected to Ethereum</p>
+		<p>Chain ID: {$chainId}</p>
+		<p>Signer address: {$signerAddress}</p>
+		<p>Balance: {userBalance} ETH</p>
+	</div>
+{:else if $web3Modal}
+	<button on:click={() => $web3Modal.openModal()}> Connect to Ethereum </button>
+{:else}
+	<p>Web3Modal not yet available</p>
+{/if}

svelte/svelte.config.js

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+import adapter from '@sveltejs/adapter-auto';
+import { vitePreprocess } from '@sveltejs/kit/vite';
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+  kit: {
+    adapter: adapter()
+  },
+  preprocess: vitePreprocess()
+};
+export default config;

svelte/tailwind.config.js

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+/** @type {import('tailwindcss').Config} */
+export default {
+  content: ['./src/**/*.{html,js,svelte,ts}'],
+  theme: {
+    extend: {}
+  },
+  plugins: []
+};

svelte/tests/test.ts

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+import { expect, test } from '@playwright/test';
+
+test('index page has expected h1', async ({ page }) => {
+	await page.goto('/');
+	await expect(page.getByRole('heading', { name: 'Welcome to SvelteKit' })).toBeVisible();
+});

svelte/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
+	}
+	// Path aliases are handled by https://kit.svelte.dev/docs/configuration#alias
+	//
+	// 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
+}

svelte/vite.config.ts

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