mirror of https://github.com/sveltejs/svelte
chore: playground (#8648)
* initialize playground * pnpm up * tidy up git ignore * remove fluff * format * rm readme * fix jsconfig error * add skip-worktree instructions * reload hack * simplify * use rollup * ughh * add flag for SSR * ... * simplify further * configure launch.json * add debugger info to readme * remove vm modules flag * use replaceAll instead of replace * tidy up * fix: make it run * add watch to launch configpull/8710/head
gtmnayan
1 year ago
committed by
GitHub
parent
5902ccab81
commit
15bdadb2ae
@ -1,5 +1,6 @@
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.idea
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.DS_Store
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.vscode
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.vscode/*
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!.vscode/launch.json
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node_modules
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.eslintcache
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{
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"version": "0.2.0",
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"configurations": [
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{
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"type": "chrome",
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"request": "launch",
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"name": "Playground: Browser",
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"url": "http://localhost:10001"
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},
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{
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"type": "node",
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"request": "launch",
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"runtimeArgs": ["--watch"],
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"name": "Playground: Server",
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"outputCapture": "std",
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"program": "start.js",
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"cwd": "${workspaceFolder}/packages/playground",
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"cascadeTerminateToConfigurations": ["Playground: Browser"]
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}
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],
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"compounds": [
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{
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"name": "Playground: Full",
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"configurations": ["Playground: Server", "Playground: Browser"]
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}
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]
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}
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@ -0,0 +1,3 @@
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dist
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dist-ssr
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*.local
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You may use this package to experiment with your changes to Svelte.
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To prevent any changes you make in this directory from being accidentally committed, run `git update-index --skip-worktree ./**/*.*` in this directory.
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If you would actually like to make some changes to the files here for everyone then run `git update-index --no-skip-worktree ./**/*.*` before committing.
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If you're using VS Code, you can use the "Playground: Full" launch configuration to run the playground and attach the debugger to both the compiler and the browser.
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{
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"compilerOptions": {
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"moduleResolution": "Node",
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"target": "ESNext",
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"module": "ESNext",
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/**
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* svelte-preprocess cannot figure out whether you have
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* a value or a type, so tell TypeScript to enforce using
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* `import type` instead of `import` for Types.
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*/
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"verbatimModuleSyntax": true,
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"isolatedModules": true,
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"resolveJsonModule": true,
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/**
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* To have warnings / errors of the Svelte compiler at the
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* correct position, enable source maps by default.
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*/
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"sourceMap": true,
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"esModuleInterop": true,
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"skipLibCheck": true,
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"forceConsistentCasingInFileNames": true,
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/**
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* Typecheck JS in `.svelte` and `.js` files by default.
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* Disable this if you'd like to use dynamic types.
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*/
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"checkJs": true
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},
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/**
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* Use global.d.ts instead of compilerOptions.types
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* to avoid limiting type declarations.
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*/
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"include": ["src/**/*.d.ts", "src/**/*.js", "src/**/*.svelte"]
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}
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@ -0,0 +1,14 @@
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{
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"name": "playground",
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"private": true,
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"version": "0.0.0",
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"type": "module",
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"scripts": {
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"dev": "node --watch start.js"
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},
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"devDependencies": {
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"rollup": "^3.20.2",
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"rollup-plugin-serve": "^2.0.2",
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"svelte": "workspace:*"
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}
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}
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@ -0,0 +1,3 @@
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<div>
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Hello world!
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</div>
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import App from './App.svelte';
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new App({
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target: document.getElementById('app'),
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hydrate: true
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});
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function get_version() {
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return fetch('/version.json').then((r) => r.json());
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}
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let prev = await get_version();
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// Mom: We have live reloading at home
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// Live reloading at home:
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while (true) {
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await new Promise((r) => setTimeout(r, 2500));
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try {
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const version = await get_version();
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if (prev !== version) {
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window.location.reload();
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}
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} catch {}
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}
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import App from './App.svelte';
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export function render() {
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// @ts-ignore
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return App.render();
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}
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<script>
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let count = 0
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const increment = () => {
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count += 1
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}
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</script>
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<button on:click={increment}>
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count is {count}
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</button>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title><!--app-title--></title>
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<!--app-head-->
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</head>
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<body>
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<div id="app"><!--app-html--></div>
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<script type="module" src="/entry-client.js"></script>
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</body>
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</html>
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@ -0,0 +1,100 @@
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import { readFileSync, writeFileSync } from 'node:fs';
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import path from 'node:path';
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import { watch } from 'rollup';
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import serve from 'rollup-plugin-serve';
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import * as svelte from '../svelte/src/compiler/index.js';
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const __dirname = new URL('.', import.meta.url).pathname;
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/** @returns {import('rollup').Plugin}*/
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function create_plugin(ssr = false) {
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return {
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name: 'custom-svelte-ssr-' + ssr,
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resolveId(id) {
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if (id === 'svelte') {
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return path.resolve(
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__dirname,
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ssr ? '../svelte/src/runtime/ssr.js' : '../svelte/src/runtime/index.js'
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);
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} else if (id.startsWith('svelte/')) {
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return path.resolve(__dirname, `../svelte/src/runtime/${id.slice(7)}/index.js`);
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}
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},
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transform(code, id) {
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code = code.replaceAll('import.meta.env.SSR', ssr);
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if (!id.endsWith('.svelte')) {
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return {
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code,
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map: null
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};
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}
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const compiled = svelte.compile(code, {
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filename: id,
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generate: ssr ? 'ssr' : 'dom',
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hydratable: true,
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css: 'injected'
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});
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return compiled.js;
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}
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};
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}
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const client_plugin = create_plugin();
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const ssr_plugin = create_plugin(true);
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const watcher = watch([
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{
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input: 'src/entry-client.js',
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output: {
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dir: 'dist',
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format: 'esm',
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sourcemap: true
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},
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plugins: [client_plugin, serve('dist')]
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},
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{
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input: 'src/entry-server.js',
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output: {
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dir: 'dist-ssr',
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format: 'iife',
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indent: false
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},
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plugins: [
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ssr_plugin,
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{
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async generateBundle(_, bundle) {
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const result = bundle['entry-server.js'];
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const mod = (0, eval)(result.code);
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const { html } = mod.render();
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writeFileSync(
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'dist/index.html',
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readFileSync('src/template.html', 'utf-8')
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.replace('<!--app-html-->', html)
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.replace('<!--app-title-->', svelte.VERSION)
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);
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writeFileSync('dist/version.json', Date.now().toString());
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}
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}
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],
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onwarn(warning, handler) {
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if (warning.code === 'MISSING_NAME_OPTION_FOR_IIFE_EXPORT') return;
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handler(warning);
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}
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}
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]);
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watcher
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.on('change', (id) => {
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console.log(`changed ${id}`);
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})
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.on('event', (event) => {
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if (event.code === 'ERROR') {
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console.error(event.error);
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} else if (event.code === 'BUNDLE_END') {
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console.log(`Generated ${event.output} in ${event.duration}ms`);
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}
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});
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