Move editor into separate package

apps/svelte.dev/package.json

@@ -16,23 +16,11 @@
 		"sync-docs": "tsx scripts/sync-docs/index.ts"
 	},
 	"dependencies": {
-		"@codemirror/autocomplete": "^6.9.0",
-		"@codemirror/commands": "^6.2.5",
-		"@codemirror/lang-css": "^6.2.1",
-		"@codemirror/lang-html": "^6.4.6",
-		"@codemirror/lang-javascript": "^6.2.1",
-		"@codemirror/language": "^6.9.0",
-		"@codemirror/lint": "^6.4.1",
-		"@codemirror/search": "^6.5.2",
-		"@codemirror/state": "^6.2.1",
-		"@codemirror/view": "^6.17.1",
 		"@jridgewell/sourcemap-codec": "^1.4.15",
 		"@lezer/common": "^1.0.4",
 		"@lezer/highlight": "^1.1.6",
 		"@lezer/javascript": "^1.4.7",
 		"@lezer/lr": "^1.3.10",
-		"@replit/codemirror-lang-svelte": "^6.0.0",
-		"@replit/codemirror-vim": "^6.0.14",
 		"@rich_harris/svelte-split-pane": "^1.1.3",
 		"@shikijs/twoslash": "^1.22.0",
 		"@sveltejs/amp": "^1.1.3",
@@ -46,10 +34,10 @@
 		"adm-zip": "^0.5.10",
 		"ansi-to-html": "^0.7.2",
 		"base64-js": "^1.5.1",
-		"codemirror": "^6.0.1",
 		"cookie": "^0.7.0",
 		"d3-geo": "^3.1.0",
 		"d3-geo-projection": "^4.0.0",
+		"editor": "workspace:*",
 		"flexsearch": "^0.7.43",
 		"flru": "^1.0.2",
 		"port-authority": "^2.0.1",

apps/svelte.dev/src/lib/tutorial/adapters/rollup/index.svelte.ts

@@ -1,4 +1,5 @@
-import type { Adapter, FileStub, Stub, Warning } from '$lib/tutorial';
+import type { Adapter, Warning } from '$lib/tutorial';
+import type { File, Item } from 'editor';
 import Bundler from '@sveltejs/repl/bundler';
 // @ts-ignore package exports don't have types
 import * as yootils from 'yootils';
@@ -43,7 +44,7 @@ export async function create(): Promise<Adapter> {
 		const result = await bundler.bundle(
 			[...current_stubs.values()]
 				// TODO we can probably remove all the SvelteKit specific stuff from the tutorial content once this settles down
-				.filter((f): f is FileStub => f.name.startsWith('/src/lib/') && f.type === 'file')
+				.filter((f): f is File => f.name.startsWith('/src/lib/') && f.type === 'file')
 				.map((f) => ({
 					name: f.name.slice(9).split('.').slice(0, -1).join('.'),
 					source: f.contents,
@@ -85,7 +86,7 @@ export async function create(): Promise<Adapter> {
 	};
 }
 
-function stubs_to_map(files: Stub[], map = new Map<string, Stub>()) {
+function stubs_to_map(files: Item[], map = new Map<string, Item>()) {
 	for (const file of files) {
 		map.set(file.name, file);
 	}

apps/svelte.dev/src/lib/tutorial/adapters/webcontainer/index.svelte.ts

@@ -6,7 +6,8 @@ import * as yootils from 'yootils';
 import { get_depth } from '../../../utils/path.js';
 import { escape_html } from '../../../utils/escape.js';
 import { ready } from '../common/index.js';
-import type { Adapter, FileStub, Stub, Warning } from '$lib/tutorial';
+import type { Adapter, Warning } from '$lib/tutorial';
+import type { Item, File } from 'editor';
 
 const converter = new AnsiToHtml({
 	fg: 'var(--sk-text-3)'
@@ -27,7 +28,7 @@ export async function create(): Promise<Adapter> {
 	state.progress = { value: 0, text: 'loading files' };
 
 	const q = yootils.queue(1);
-	const q_per_file = new Map<string, Array<FileStub>>();
+	const q_per_file = new Map<string, Array<File>>();
 
 	/** Paths and contents of the currently loaded file stubs */
 	let current_stubs = stubs_to_map([]);
@@ -138,7 +139,7 @@ export async function create(): Promise<Adapter> {
 	return {
 		reset: (stubs) => {
 			return q.add(async () => {
-				const to_write: Stub[] = [];
+				const to_write: Item[] = [];
 
 				const force_delete = [];
 
@@ -151,7 +152,7 @@ export async function create(): Promise<Adapter> {
 							continue;
 						}
 
-						const current = current_stubs.get(stub.name) as FileStub;
+						const current = current_stubs.get(stub.name) as File;
 
 						if (current?.contents !== stub.contents) {
 							to_write.push(stub);
@@ -272,7 +273,7 @@ export async function create(): Promise<Adapter> {
 	};
 }
 
-function is_config(file: Stub) {
+function is_config(file: Item) {
 	return file.type === 'file' && is_config_path(file.name);
 }
 
@@ -299,7 +300,7 @@ function wait_for_restart_vite() {
 	});
 }
 
-function convert_stubs_to_tree(stubs: Stub[], depth = 1) {
+function convert_stubs_to_tree(stubs: Item[], depth = 1) {
 	const tree: FileSystemTree = {};
 
 	for (const stub of stubs) {
@@ -319,7 +320,7 @@ function convert_stubs_to_tree(stubs: Stub[], depth = 1) {
 	return tree;
 }
 
-function to_file(file: FileStub) {
+function to_file(file: File) {
 	// special case
 	if (file.name === '/src/app.html' || file.name === '/src/error.html') {
 		const contents = file.contents + '<script type="module" src="/src/__client.js"></script>';
@@ -336,7 +337,7 @@ function to_file(file: FileStub) {
 	};
 }
 
-function stubs_to_map(files: Stub[], map = new Map<string, Stub>()) {
+function stubs_to_map(files: Item[], map = new Map<string, Item>()) {
 	for (const file of files) {
 		map.set(file.name, file);
 	}

apps/svelte.dev/src/lib/tutorial/index.d.ts

@@ -1,25 +1,10 @@
 import type { Writable } from 'svelte/store';
-
-export interface FileStub {
-	type: 'file';
-	name: string;
-	basename: string;
-	contents: string;
-	text: boolean;
-}
-
-export interface DirectoryStub {
-	type: 'directory';
-	name: string;
-	basename: string;
-}
-
-export type Stub = FileStub | DirectoryStub;
+import type { File, Directory, Item } from 'editor';
 
 export interface Adapter {
 	/** Returns `false` if the reset was in such a way that a reload of the iframe isn't needed */
-	reset(files: Array<Stub>): Promise<boolean>;
-	update(file: FileStub): Promise<boolean>;
+	reset(files: Array<Item>): Promise<boolean>;
+	update(file: File): Promise<boolean>;
 }
 
 export interface Scope {

apps/svelte.dev/src/routes/tutorial/[...slug]/+page.svelte

@@ -1,21 +1,21 @@
 <script lang="ts">
 	import { afterNavigate, beforeNavigate } from '$app/navigation';
 	import { SplitPane } from '@rich_harris/svelte-split-pane';
-	import { adapter_state, reset } from './adapter.svelte';
-	import Editor from './Editor.svelte';
+	import * as adapter from './adapter.svelte';
+	import { Editor, Workspace } from 'editor';
 	import ContextMenu from './filetree/ContextMenu.svelte';
 	import Filetree from './filetree/Filetree.svelte';
 	import ImageViewer from './ImageViewer.svelte';
 	import Output from './Output.svelte';
 	import { ScreenToggle } from '@sveltejs/site-kit/components';
 	import Sidebar from './Sidebar.svelte';
-	import { solution, Workspace } from './state.svelte';
+	import { solution } from './state.svelte';
 	import { create_directories } from './utils';
 	import { needs_webcontainers, text_files } from './shared';
 	import OutputRollup from './OutputRollup.svelte';
 	import { page } from '$app/stores';
 	import Controls from './Controls.svelte';
-	import type { Stub } from '$lib/tutorial';
+	import type { Item } from 'editor';
 	import type { Snapshot } from './$types.js';
 
 	interface Props {
@@ -24,18 +24,16 @@
 
 	let { data }: Props = $props();
 
-	const workspace = new Workspace();
-
 	let path = data.exercise.path;
 	let show_editor = $state(false);
 	let show_filetree = $state(false);
 	let paused = $state(false);
 	let w = $state(1000);
 
-	let previous_files: Stub[] = [];
+	let previous_files: Item[] = [];
 
-	function create_files(map: Record<string, string>): Record<string, Stub> {
-		const files: Record<string, Stub> = {};
+	function create_files(map: Record<string, string>): Record<string, Item> {
+		const files: Record<string, Item> = {};
 
 		const to_delete: string[] = [];
 
@@ -98,13 +96,13 @@
 		const will_delete = previous_files.some((file) => !(file.name in a));
 
 		if (data.exercise.path !== path || will_delete) paused = true;
-		await reset(workspace.files);
+		await adapter.reset(workspace.files);
 
 		path = data.exercise.path;
 		paused = false;
 	});
 
-	function is_completed(files: Stub[], solution: Record<string, Stub> | null) {
+	function is_completed(files: Item[], solution: Record<string, Item> | null) {
 		if (!solution) return true;
 
 		for (const file of files) {
@@ -185,6 +183,19 @@
 	let a = $derived(create_files(data.exercise.a));
 	let b = $derived(create_files({ ...data.exercise.a, ...data.exercise.b }));
 
+	const workspace = new Workspace({
+		files: Object.values(a),
+		selected_name: data.exercise.focus,
+		onupdate(file) {
+			adapter.update(file);
+		},
+		onreset(items) {
+			adapter.reset(items);
+		}
+	});
+
+	solution.set(b);
+
 	// for the things we can't do with media queries
 	let mobile = $derived(w < 800);
 
@@ -197,7 +208,7 @@
 	});
 
 	$effect(() => {
-		workspace.selected_name = data.exercise.focus;
+		workspace.selected_name = data.exercise.focus; // TODO this probably belongs in afterNavigate
 	});
 
 	let completed = $derived(is_completed(workspace.files, b));
@@ -289,7 +300,11 @@
 							</section>
 
 							<section slot="b" class="editor-container">
-								<Editor exercise={data.exercise} warnings={adapter_state.warnings} {workspace} />
+								<Editor
+									exercise={data.exercise}
+									warnings={adapter.adapter_state.warnings}
+									{workspace}
+								/>
 								<ImageViewer selected={workspace.selected_file} />
 
 								{#if mobile && show_filetree}

apps/svelte.dev/src/routes/tutorial/[...slug]/ImageViewer.svelte

@@ -1,5 +1,5 @@
 <script>
-	/** @type {import('$lib/tutorial').FileStub | null} */
+	/** @type {import('editor').File | null} */
 	export let selected;
 
 	const image_types = new Map([

apps/svelte.dev/src/routes/tutorial/[...slug]/Output.svelte

@@ -11,7 +11,7 @@
 	import Loading from './Loading.svelte';
 	import { adapter_state, subscribe, reset } from './adapter.svelte';
 	import type { Exercise } from '$lib/tutorial';
-	import type { Workspace } from './state.svelte';
+	import type { Workspace } from 'editor';
 
 	interface Props {
 		exercise: Exercise;

apps/svelte.dev/src/routes/tutorial/[...slug]/adapter.svelte.ts

@@ -2,7 +2,8 @@ import { browser } from '$app/environment';
 import { page } from '$app/stores';
 import type { state as WCState } from '$lib/tutorial/adapters/webcontainer/index.svelte';
 import type { state as RollupState } from '$lib/tutorial/adapters/rollup/index.svelte';
-import type { Adapter, FileStub, Stub } from '$lib/tutorial';
+import type { Adapter } from '$lib/tutorial';
+import type { File, Item } from 'editor';
 import { needs_webcontainers } from './shared';
 
 let initial_load = true;
@@ -111,7 +112,7 @@ function publish(event: EventName) {
 	subscriptions.get(event)?.forEach((fn) => fn());
 }
 
-export async function reset(files: Stub[]) {
+export async function reset(files: Item[]) {
 	try {
 		const adapter = await get_adapter();
 		const should_reload = await adapter.reset(files);
@@ -126,7 +127,7 @@ export async function reset(files: Stub[]) {
 	}
 }
 
-export async function update(file: FileStub) {
+export async function update(file: File) {
 	const adapter = await get_adapter();
 	const should_reload = await adapter.update(file);
 

apps/svelte.dev/src/routes/tutorial/[...slug]/filetree/File.svelte

@@ -3,10 +3,11 @@
 	import Item from './Item.svelte';
 	import file_icon from '$lib/icons/file.svg';
 	import { solution } from '../state.svelte';
-	import type { FileStub, MenuItem } from '$lib/tutorial';
+	import type { MenuItem } from '$lib/tutorial';
+	import type { File } from 'editor';
 
 	interface Props {
-		file: FileStub;
+		file: File;
 		depth: number;
 	}
 

apps/svelte.dev/src/routes/tutorial/[...slug]/filetree/Filetree.svelte

@@ -4,10 +4,11 @@
 	import Folder from './Folder.svelte';
 	import * as context from './context.js';
 	import Modal from '$lib/components/Modal.svelte';
-	import { solution, Workspace } from '../state.svelte';
+	import { solution } from '../state.svelte';
 	import { create_directories } from '../utils';
 	import { afterNavigate } from '$app/navigation';
-	import type { Exercise, Stub } from '$lib/tutorial';
+	import type { Exercise } from '$lib/tutorial';
+	import type { Workspace, Item } from 'editor';
 
 	interface Props {
 		exercise: Exercise;
@@ -55,7 +56,7 @@
 
 			const basename = name.split('/').pop()!;
 
-			const file: Stub =
+			const file: Item =
 				type === 'file'
 					? { type, name, basename, text: true, contents: '' }
 					: { type, name, basename };
@@ -142,7 +143,7 @@
 		workspace
 	});
 
-	function is_deleted(file: Stub) {
+	function is_deleted(file: Item) {
 		if (file.type === 'directory') return `${file.name}/__delete` in exercise.a;
 		if (file.text) return file.contents.startsWith('__delete');
 

apps/svelte.dev/src/routes/tutorial/[...slug]/filetree/Folder.svelte

@@ -7,13 +7,14 @@
 	import folder_closed from '$lib/icons/folder.svg';
 	import folder_open from '$lib/icons/folder-open.svg';
 	import { solution } from '../state.svelte';
-	import type { DirectoryStub, FileStub, MenuItem, Stub } from '$lib/tutorial';
+	import type { MenuItem } from '$lib/tutorial';
+	import type { Directory, File as IFile, Item as IItem } from 'editor';
 
 	interface Props {
-		directory: DirectoryStub;
+		directory: Directory;
 		prefix: string;
 		depth: number;
-		contents: Stub[];
+		contents: IItem[];
 	}
 
 	let { directory, prefix, depth, contents }: Props = $props();
@@ -36,7 +37,7 @@
 
 	let child_files = $derived(
 		children.filter((child) => get_depth(child.name) === segments && child.type === 'file')
-	) as FileStub[];
+	) as IFile[];
 
 	const can_create = $derived.by(() => {
 		const result = {
@@ -156,7 +157,7 @@
 
 	{#each child_directories as directory}
 		<Folder
-			directory={directory as DirectoryStub}
+			directory={directory as Directory}
 			prefix={directory.name + '/'}
 			depth={depth + 1}
 			contents={children}