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feat: basic svelte templates #170

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5 changes: 5 additions & 0 deletions .changeset/gentle-kiwis-exercise.md
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@@ -0,0 +1,5 @@
---
'sv': patch
---

feat: basic `svelte` templates
2 changes: 1 addition & 1 deletion packages/create/README.md
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@@ -1,3 +1,3 @@
# @sveltejs/create

An internal package for scaffolding SvelteKit projects.
An internal package for scaffolding (Svelte)Kit projects.
18 changes: 15 additions & 3 deletions packages/create/index.ts
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Expand Up @@ -5,7 +5,7 @@ import { mkdirp, copy, dist } from './utils.ts';
export type TemplateType = (typeof templateTypes)[number];
export type LanguageType = 'typescript' | 'checkjs' | 'none';

const templateTypes = ['minimal', 'demo', 'library'] as const;
const templateTypes = ['minimal', 'demo', 'svelte', 'library'] as const;

export type Options = {
name: string;
Expand All @@ -18,7 +18,7 @@ export type File = {
contents: string;
};

export type Condition = Exclude<TemplateType | LanguageType, 'none'>;
export type Condition = Exclude<TemplateType | LanguageType, 'none'> | 'kit';

export type Common = {
files: Array<{
Expand Down Expand Up @@ -95,7 +95,19 @@ function write_common_files(cwd: string, options: Options, name: string) {
}

function matches_condition(condition: Condition, options: Options) {
if (condition === 'demo' || condition === 'minimal' || condition === 'library') {
if (condition == 'kit') {
return (
options.template === 'library' ||
options.template === 'demo' ||
options.template === 'minimal'
);
}
if (
condition === 'demo' ||
condition === 'minimal' ||
condition === 'library' ||
condition === 'svelte'
) {
return options.template === condition;
}
if (condition === 'typescript' || condition === 'checkjs') {
Expand Down
3 changes: 2 additions & 1 deletion packages/create/scripts/build-templates.js
Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,8 @@ async function generate_templates(dist, shared) {
const contents = fs.readFileSync(path.join(cwd, name), 'utf8');

if (name.endsWith('.d.ts')) {
if (name.endsWith('app.d.ts')) types.checkjs.push({ name, contents });
if (name.endsWith('app.d.ts') || name.endsWith('vite-env.d.ts'))
types.checkjs.push({ name, contents });
types.typescript.push({ name, contents });
} else if (name.endsWith('.ts')) {
const js = await convert_typescript(contents);
Expand Down
13 changes: 13 additions & 0 deletions packages/create/shared/+svelte+typescript/index.html
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@@ -0,0 +1,13 @@
<!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" />
<title>Vite + Svelte + TS</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>
10 changes: 10 additions & 0 deletions packages/create/shared/+svelte+typescript/package.json
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@@ -0,0 +1,10 @@
{
"scripts": {
"check": "svelte-check --tsconfig ./tsconfig.json && tsc -p tsconfig.node.json"
},
"devDependencies": {
"svelte-check": "^4.0.5",
"tslib": "^2.7.0",
"typescript": "^5.6.2"
}
}
21 changes: 21 additions & 0 deletions packages/create/shared/+svelte+typescript/tsconfig.json
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@@ -0,0 +1,21 @@
{
"extends": "@tsconfig/svelte/tsconfig.json",
"compilerOptions": {
"target": "ESNext",
"useDefineForClassFields": true,
"module": "ESNext",
"resolveJsonModule": true,
/**
* Typecheck JS in `.svelte` and `.js` files by default.
* Disable checkJs if you'd like to use dynamic types in JS.
* Note that setting allowJs false does not prevent the use
* of JS in `.svelte` files.
*/
"allowJs": true,
"checkJs": true,
"isolatedModules": true,
"moduleDetection": "force"
},
"include": ["src/**/*.ts", "src/**/*.js", "src/**/*.svelte"],
"references": [{ "path": "./tsconfig.node.json" }]
}
13 changes: 13 additions & 0 deletions packages/create/shared/+svelte+typescript/tsconfig.node.json
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@@ -0,0 +1,13 @@
{
"compilerOptions": {
"composite": true,
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
"skipLibCheck": true,
"module": "ESNext",
"moduleResolution": "bundler",
"strict": true,
"noEmit": true,
"noUncheckedSideEffectImports": true
},
"include": ["vite.config.ts"]
}
13 changes: 13 additions & 0 deletions packages/create/shared/+svelte-typescript/index.html
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@@ -0,0 +1,13 @@
<!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" />
<title>Vite + Svelte</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>
32 changes: 32 additions & 0 deletions packages/create/shared/+svelte-typescript/jsconfig.json
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@@ -0,0 +1,32 @@
{
"compilerOptions": {
"moduleResolution": "bundler",
"target": "ESNext",
"module": "ESNext",
/**
* svelte-preprocess cannot figure out whether you have
* a value or a type, so tell TypeScript to enforce using
* `import type` instead of `import` for Types.
*/
"verbatimModuleSyntax": true,
"isolatedModules": true,
"resolveJsonModule": true,
/**
* To have warnings / errors of the Svelte compiler at the
* correct position, enable source maps by default.
*/
"sourceMap": true,
"esModuleInterop": true,
"skipLibCheck": true,
/**
* Typecheck JS in `.svelte` and `.js` files by default.
* Disable this if you'd like to use dynamic types.
*/
"checkJs": true
},
/**
* Use global.d.ts instead of compilerOptions.types
* to avoid limiting type declarations.
*/
"include": ["src/**/*.d.ts", "src/**/*.js", "src/**/*.svelte"]
}
7 changes: 7 additions & 0 deletions packages/create/shared/+svelte/svelte.config.js
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@@ -0,0 +1,7 @@
import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';

export default {
// Consult https://svelte.dev/docs#compile-time-svelte-preprocess
// for more information about preprocessors
preprocess: vitePreprocess()
};
7 changes: 7 additions & 0 deletions packages/create/shared/+svelte/vite.config.ts
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@@ -0,0 +1,7 @@
import { defineConfig } from 'vite';
import { svelte } from '@sveltejs/vite-plugin-svelte';

// https://vite.dev/config/
export default defineConfig({
plugins: [svelte()]
});
2 changes: 1 addition & 1 deletion packages/create/shared/README.md
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@@ -1,6 +1,6 @@
# create-svelte

Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/kit/tree/main/packages/create-svelte).
Everything you need to build a Svelte project, powered by [`create-svelte`](https://github.com/sveltejs/cli/tree/main/packages/sv).

## Creating a project

Expand Down
24 changes: 24 additions & 0 deletions packages/create/templates/svelte/.gitignore
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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?
3 changes: 3 additions & 0 deletions packages/create/templates/svelte/.ignore
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@@ -0,0 +1,3 @@
package.json
.meta.json
.turbo
4 changes: 4 additions & 0 deletions packages/create/templates/svelte/.meta.json
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@@ -0,0 +1,4 @@
{
"title": "Svelte minimal",
"description": "barebones scaffolding for your new app"
manuel3108 marked this conversation as resolved.
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}
47 changes: 47 additions & 0 deletions packages/create/templates/svelte/README.md
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# Svelte + TS + Vite

This template should help get you started developing with Svelte and TypeScript in Vite.

## Recommended IDE Setup

[VS Code](https://code.visualstudio.com/) + [Svelte](https://marketplace.visualstudio.com/items?itemName=svelte.svelte-vscode).

## Need an official Svelte framework?

Check out [SvelteKit](https://github.com/sveltejs/kit#readme), which is also powered by Vite. Deploy anywhere with its serverless-first approach and adapt to various platforms, with out of the box support for TypeScript, SCSS, and Less, and easily-added support for mdsvex, GraphQL, PostCSS, Tailwind CSS, and more.

## Technical considerations

**Why use this over SvelteKit?**

- It brings its own routing solution which might not be preferable for some users.
- It is first and foremost a framework that just happens to use Vite under the hood, not a Vite app.

This template contains as little as possible to get started with Vite + TypeScript + Svelte, while taking into account the developer experience with regards to HMR and intellisense. It demonstrates capabilities on par with the other `create-vite` templates and is a good starting point for beginners dipping their toes into a Vite + Svelte project.

Should you later need the extended capabilities and extensibility provided by SvelteKit, the template has been structured similarly to SvelteKit so that it is easy to migrate.

**Why `global.d.ts` instead of `compilerOptions.types` inside `jsconfig.json` or `tsconfig.json`?**

Setting `compilerOptions.types` shuts out all other types not explicitly listed in the configuration. Using triple-slash references keeps the default TypeScript setting of accepting type information from the entire workspace, while also adding `svelte` and `vite/client` type information.

**Why include `.vscode/extensions.json`?**

Other templates indirectly recommend extensions via the README, but this file allows VS Code to prompt the user to install the recommended extension upon opening the project.

**Why enable `allowJs` in the TS template?**

While `allowJs: false` would indeed prevent the use of `.js` files in the project, it does not prevent the use of JavaScript syntax in `.svelte` files. In addition, it would force `checkJs: false`, bringing the worst of both worlds: not being able to guarantee the entire codebase is TypeScript, and also having worse typechecking for the existing JavaScript. In addition, there are valid use cases in which a mixed codebase may be relevant.

**Why is HMR not preserving my local component state?**

HMR state preservation comes with a number of gotchas! It has been disabled by default in both `svelte-hmr` and `@sveltejs/vite-plugin-svelte` due to its often surprising behavior. You can read the details [here](https://github.com/rixo/svelte-hmr#svelte-hmr).

If you have state that's important to retain within a component, consider creating an external store which would not be replaced by HMR.

```ts
// store.ts
// An extremely simple external store
import { writable } from 'svelte/store';
export default writable(0);
```
13 changes: 13 additions & 0 deletions packages/create/templates/svelte/index.html
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@@ -0,0 +1,13 @@
<!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" />
<title>Vite + Svelte + TS</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>
17 changes: 17 additions & 0 deletions packages/create/templates/svelte/package.template.json
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@@ -0,0 +1,17 @@
{
"name": "vite-svelte-ts-starter",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"devDependencies": {
"@sveltejs/vite-plugin-svelte": "^4.0.0-next.6",
"@tsconfig/svelte": "^5.0.4",
"svelte": "^5.0.0-next.1",
"vite": "^5.4.9"
}
}
1 change: 1 addition & 0 deletions packages/create/templates/svelte/public/vite.svg
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47 changes: 47 additions & 0 deletions packages/create/templates/svelte/src/App.svelte
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<script lang="ts">
import svelteLogo from './assets/svelte.svg';
import viteLogo from '/vite.svg';
import Counter from './lib/Counter.svelte';
</script>

<main>
<div>
<a href="https://vite.dev" target="_blank" rel="noreferrer">
<img src={viteLogo} class="logo" alt="Vite Logo" />
</a>
<a href="https://svelte.dev" target="_blank" rel="noreferrer">
<img src={svelteLogo} class="logo svelte" alt="Svelte Logo" />
</a>
</div>
<h1>Vite + Svelte</h1>

<div class="card">
<Counter />
</div>

<p>
Check out <a href="https://github.com/sveltejs/kit#readme" target="_blank" rel="noreferrer"
>SvelteKit</a
>, the official Svelte app framework powered by Vite!
</p>

<p class="read-the-docs">Click on the Vite and Svelte logos to learn more</p>
</main>

<style>
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.svelte:hover {
filter: drop-shadow(0 0 2em #ff3e00aa);
}
.read-the-docs {
color: #888;
}
</style>
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