Pass adapters directly to config

.changeset/tough-lamps-brake.md

@@ -0,0 +1,11 @@
+---
+'@sveltejs/adapter-begin': patch
+'@sveltejs/adapter-netlify': patch
+'@sveltejs/adapter-node': patch
+'@sveltejs/adapter-static': patch
+'@sveltejs/adapter-vercel': patch
+'create-svelte': patch
+'@sveltejs/kit': patch
+---
+
+Pass adapters directly to svelte.config.cjs

documentation/docs/10-adapters.md

@@ -8,9 +8,11 @@ For example, if you want to run your app as a simple Node server, you would use
 
 ```js
 // svelte.config.cjs
+const node = require('@sveltejs/adapter-node');
+
 module.exports = {
 	kit: {
-		adapter: '@sveltejs/adapter-node'
+		adapter: node()
 	}
 };
 ```
@@ -19,26 +21,25 @@ With this, [svelte-kit build](#command-line-interface-svelte-kit-build) will gen
 
 ```diff
 // svelte.config.cjs
+const node = require('@sveltejs/adapter-node');
+
 module.exports = {
 	kit: {
--		adapter: '@sveltejs/adapter-node'
-+		adapter: ['@sveltejs/adapter-node', {
-+			out: 'my-output-directory'
-+		}]
+-		adapter: node()
++		adapter: node({ out: 'my-output-directory' })
 	}
 };
 ```
 
 A variety of official adapters exist for serverless platforms...
 
-* [`adapter-begin`](https://github.com/sveltejs/kit/tree/master/packages/adapter-begin) — for [begin.com](https://begin.com)
-* [`adapter-netlify`](https://github.com/sveltejs/kit/tree/master/packages/adapter-netlify) — for [netlify.com](https://netlify.com)
-* [`adapter-vercel`](https://github.com/sveltejs/kit/tree/master/packages/adapter-vercel) — for [vercel.com](https://vercel.com)
+- [`adapter-begin`](https://github.com/sveltejs/kit/tree/master/packages/adapter-begin) — for [begin.com](https://begin.com)
+- [`adapter-netlify`](https://github.com/sveltejs/kit/tree/master/packages/adapter-netlify) — for [netlify.com](https://netlify.com)
+- [`adapter-vercel`](https://github.com/sveltejs/kit/tree/master/packages/adapter-vercel) — for [vercel.com](https://vercel.com)
 
 ...and others:
 
-* [`adapter-node`](https://github.com/sveltejs/kit/tree/master/packages/adapter-node) — for creating self-contained Node apps
-* [`adapter-static`](https://github.com/sveltejs/kit/tree/master/packages/adapter-static) — for prerendering your entire site as a collection of static files
-
+- [`adapter-node`](https://github.com/sveltejs/kit/tree/master/packages/adapter-node) — for creating self-contained Node apps
+- [`adapter-static`](https://github.com/sveltejs/kit/tree/master/packages/adapter-static) — for prerendering your entire site as a collection of static files
 
-> The adapter API is still in flux and will likely change before 1.0.
+> The adapter API is still in flux and will likely change before 1.0.

documentation/docs/13-configuration.md

@@ -48,7 +48,7 @@ module.exports = {
 
 #### adapter
 
-Determines how the output of `svelte-kit build` is converted for different platforms. Can be specified as a `string` or a `[string, object]` tuple if you need to pass options.
+Determines how the output of `svelte-kit build` is converted for different platforms. See [Adapters](#adapters).
 
 #### amp
 

examples/hn.svelte.dev/svelte.config.cjs

@@ -1,6 +1,8 @@
+const netlify = require('@sveltejs/adapter-netlify');
+
 module.exports = {
 	kit: {
-		adapter: '@sveltejs/adapter-netlify',
+		adapter: netlify(),
 		target: '#svelte'
 	}
 };

examples/realworld.svelte.dev/svelte.config.cjs

@@ -1,9 +1,11 @@
+const node = require('@sveltejs/adapter-node');
+
 module.exports = {
 	kit: {
 		// By default, `npm run build` will create a standard Node app.
 		// You can create optimized builds for different platforms by
 		// specifying a different adapter
-		adapter: '@sveltejs/adapter-node',
+		adapter: node(),
 
 		// hydrate the <div id="svelte"> element in src/app.html
 		target: '#svelte',

examples/sandbox/svelte.config.cjs

@@ -1,8 +1,9 @@
+const node = require('@sveltejs/adapter-node');
 const pkg = require('./package.json');
 
 module.exports = {
 	kit: {
-		adapter: '@sveltejs/adapter-node',
+		adapter: node(),
 		target: '#svelte',
 		vite: {
 			build: {

examples/svelte-kit-demo/svelte.config.cjs

@@ -1,6 +1,8 @@
+const node = require('@sveltejs/adapter-node');
+
 module.exports = {
 	kit: {
-		adapter: '@sveltejs/adapter-node',
+		adapter: node(),
 		target: '#svelte'
 	}
 };

packages/adapter-begin/.gitignore

@@ -1,3 +1,5 @@
 .DS_Store
 node_modules
-/files
+/files
+/index.cjs
+/index.cjs.map

packages/adapter-begin/index.js

@@ -3,27 +3,29 @@ import { copy } from '@sveltejs/app-utils/files';
 import { resolve, join } from 'path';
 import parse from '@architect/parser';
 
-function parse_arc(arcPath) {
-	if (!existsSync(arcPath)) {
-		throw new Error(`No ${arcPath} found. See the documentation.`);
+/** @param {string} file */
+function parse_arc(file) {
+	if (!existsSync(file)) {
+		throw new Error(`No ${file} found. See the documentation.`);
 	}
 
 	try {
-		const text = readFileSync(arcPath).toString();
+		const text = readFileSync(file).toString();
 		const arc = parse(text);
 
 		return {
 			static: arc.static[0][1]
 		};
 	} catch (e) {
-		throw new Error(
-			`Error parsing ${arcPath}. Please consult the documentation for correct syntax.`
-		);
+		throw new Error(`Error parsing ${file}. Please consult the documentation for correct syntax.`);
 	}
 }
 
 export default function () {
-	return {
+	/** @type {import('@sveltejs/kit').Adapter} */
+	const adapter = {
+		name: '@sveltejs/adapter-begin',
+
 		async adapt(builder) {
 			builder.log.minor('Parsing app.arc file');
 			const { static: static_mount_point } = parse_arc('app.arc');
@@ -49,4 +51,6 @@ export default function () {
 			});
 		}
 	};
+
+	return adapter;
 }

packages/adapter-begin/package.json

@@ -1,13 +1,14 @@
 {
 	"name": "@sveltejs/adapter-begin",
 	"version": "1.0.0-next.3",
-	"main": "index.js",
+	"main": "index.cjs",
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
 		"dev": "rollup -cw",
 		"build": "rollup -c",
 		"format": "prettier --write . --config ../../.prettierrc --ignore-path .gitignore",
-		"check-format": "prettier --check . --config ../../.prettierrc --ignore-path .gitignore"
+		"check-format": "prettier --check . --config ../../.prettierrc --ignore-path .gitignore",
+		"prepublishOnly": "npm run build"
 	},
 	"files": [
 		"files"
@@ -17,7 +18,13 @@
 		"@sveltejs/app-utils": "workspace:*"
 	},
 	"devDependencies": {
+		"@sveltejs/kit": "workspace:*",
 		"rollup": "^2.41.1",
-		"sirv": "^1.0.11"
+		"sirv": "^1.0.11",
+		"typescript": "^4.2.3"
+	},
+	"exports": {
+		"import": "./index.js",
+		"require": "./index.cjs"
 	}
 }

packages/adapter-begin/rollup.config.js

@@ -1,14 +1,28 @@
 import { nodeResolve } from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 
-export default {
-	input: 'src/index.js',
-	output: {
-		file: 'files/index.js',
-		format: 'cjs',
-		sourcemap: true,
-		exports: 'named'
+export default [
+	{
+		input: 'src/index.js',
+		output: {
+			file: 'files/index.js',
+			format: 'cjs',
+			sourcemap: true,
+			exports: 'named'
+		},
+		plugins: [nodeResolve(), commonjs()],
+		external: [...require('module').builtinModules, '@architect/shared/app.js']
 	},
-	plugins: [nodeResolve(), commonjs()],
-	external: [...require('module').builtinModules, '@architect/shared/app.js']
-};
+
+	{
+		input: 'index.js',
+		output: {
+			file: 'index.cjs',
+			format: 'cjs',
+			sourcemap: true,
+			exports: 'named'
+		},
+		plugins: [nodeResolve(), commonjs()],
+		external: [...require('module').builtinModules, '@architect/parser']
+	}
+];

packages/adapter-begin/tsconfig.json

@@ -0,0 +1,13 @@
+{
+	"compilerOptions": {
+		"allowJs": true,
+		"checkJs": true,
+		"noEmit": true,
+		"noImplicitAny": true,
+		"target": "es2020",
+		"module": "es2020",
+		"moduleResolution": "node",
+		"allowSyntheticDefaultImports": true
+	},
+	"include": ["./index.js", "src"]
+}

packages/adapter-netlify/index.js

@@ -1,12 +1,12 @@
-import { existsSync, readFileSync, copyFileSync, writeFileSync, renameSync } from 'fs';
-import { dirname, resolve } from 'path';
-import toml from 'toml';
-import { fileURLToPath } from 'url';
+const { existsSync, readFileSync, copyFileSync, writeFileSync, renameSync } = require('fs');
+const { resolve } = require('path');
+const toml = require('toml');
 
-const __dirname = dirname(fileURLToPath(import.meta.url));
+module.exports = function () {
+	/** @type {import('@sveltejs/kit').Adapter} */
+	const adapter = {
+		name: '@sveltejs/adapter-netlify',
 
-export default function () {
-	return {
 		async adapt(builder) {
 			let netlify_config;
 
@@ -60,4 +60,6 @@ export default function () {
 			});
 		}
 	};
-}
+
+	return adapter;
+};

packages/adapter-netlify/package.json

@@ -2,7 +2,6 @@
 	"name": "@sveltejs/adapter-netlify",
 	"version": "1.0.0-next.3",
 	"main": "index.js",
-	"type": "module",
 	"files": [
 		"files"
 	],
@@ -13,5 +12,9 @@
 	},
 	"dependencies": {
 		"toml": "^3.0.0"
+	},
+	"devDependencies": {
+		"@sveltejs/kit": "workspace:*",
+		"typescript": "^4.2.3"
 	}
 }

packages/adapter-netlify/tsconfig.json

@@ -0,0 +1,13 @@
+{
+	"compilerOptions": {
+		"allowJs": true,
+		"checkJs": true,
+		"noEmit": true,
+		"noImplicitAny": true,
+		"target": "es2020",
+		"module": "es2020",
+		"moduleResolution": "node",
+		"allowSyntheticDefaultImports": true
+	},
+	"include": ["./index.js", "src"]
+}

packages/adapter-node/index.js

@@ -1,18 +1,17 @@
-import { copyFileSync } from 'fs';
-import { dirname, join } from 'path';
-import { fileURLToPath } from 'url';
+const { copyFileSync } = require('fs');
+const { join } = require('path');
 
 /**
  * @param {{
  *   out?: string;
  * }} options
  */
-export default function ({ out = 'build' } = {}) {
+module.exports = function ({ out = 'build' } = {}) {
 	/** @type {import('@sveltejs/kit').Adapter} */
 	const adapter = {
-		async adapt(builder) {
-			const dir = dirname(fileURLToPath(import.meta.url));
+		name: '@sveltejs/adapter-node',
 
+		async adapt(builder) {
 			builder.log.minor('Copying assets');
 			const static_directory = join(out, 'assets');
 			builder.copy_client_files(static_directory);
@@ -21,7 +20,7 @@ export default function ({ out = 'build' } = {}) {
 			builder.log.minor('Copying server');
 			builder.copy_server_files(out);
 
-			copyFileSync(`${dir}/files/server.js`, `${out}/index.js`);
+			copyFileSync(`${__dirname}/files/server.js`, `${out}/index.js`);
 
 			builder.log.minor('Prerendering static pages');
 			await builder.prerender({
@@ -31,4 +30,4 @@ export default function ({ out = 'build' } = {}) {
 	};
 
 	return adapter;
-}
+};

packages/adapter-node/package.json

@@ -2,7 +2,6 @@
 	"name": "@sveltejs/adapter-node",
 	"version": "1.0.0-next.8",
 	"main": "index.js",
-	"type": "module",
 	"files": [
 		"files"
 	],

packages/adapter-static/index.js

@@ -1,5 +1,8 @@
-export default function ({ pages = 'build', assets = 'build' } = {}) {
-	return {
+module.exports = function ({ pages = 'build', assets = 'build' } = {}) {
+	/** @type {import('@sveltejs/kit').Adapter} */
+	const adapter = {
+		name: '@sveltejs/adapter-static',
+
 		async adapt(builder) {
 			builder.copy_static_files(assets);
 			builder.copy_client_files(assets);
@@ -10,4 +13,6 @@ export default function ({ pages = 'build', assets = 'build' } = {}) {
 			});
 		}
 	};
-}
+
+	return adapter;
+};

packages/adapter-static/package.json

@@ -1,10 +1,13 @@
 {
 	"name": "@sveltejs/adapter-static",
 	"version": "1.0.0-next.3",
-	"type": "module",
 	"scripts": {
 		"lint": "eslint --ignore-path .gitignore \"**/*.{ts,js,svelte}\" && npm run check-format",
 		"format": "prettier --write . --config ../../.prettierrc --ignore-path .gitignore",
 		"check-format": "prettier --check . --config ../../.prettierrc --ignore-path .gitignore"
+	},
+	"devDependencies": {
+		"@sveltejs/kit": "workspace:*",
+		"typescript": "^4.2.3"
 	}
 }