swap out monaco and babel-walk with codemirror and @babel/traverse' (#1)

Reviewed-on: #1

.prettierrc

@@ -1,6 +1,7 @@
 {
 	"useTabs": true,
 	"singleQuote": true,
+	"semi": false,
 	"trailingComma": "none",
 	"printWidth": 100,
 	"plugins": ["prettier-plugin-svelte"],

bunfig.toml

@@ -0,0 +1,2 @@
+[install.scopes]
+"@jsr" = "https://npm.jsr.io"

package.json

@@ -15,20 +15,25 @@
   },
   "devDependencies": {
     "@babel/parser": "^7.26.5",
+    "@babel/traverse": "^7.26.5",
+    "@codemirror/lang-javascript": "^6.2.2",
+    "@std/async": "npm:@jsr/std__async",
     "@sveltejs/adapter-static": "^3.0.6",
     "@sveltejs/kit": "^2.0.0",
     "@sveltejs/vite-plugin-svelte": "^4.0.0",
     "@tailwindcss/postcss": "^4.0.0-beta.9",
-    "babel-walk": "^3.0.1",
-    "constrained-editor-plugin": "^1.3.0",
+    "@types/babel__traverse": "^7.20.6",
+    "@typescript/vfs": "^1.6.0",
+    "@valtown/codemirror-ts": "^2.3.1",
+    "codemirror": "^6.0.1",
     "daisyui": "^5.0.0-beta.1",
     "esbuild-wasm": "^0.24.2",
-    "monaco-editor": "^0.52.2",
     "prettier": "^3.3.2",
     "prettier-plugin-svelte": "^3.2.6",
     "sprig": "^1.1.3",
     "svelte": "^5.0.0",
     "svelte-check": "^4.0.0",
+    "svelte-codemirror-editor": "^1.4.1",
     "tailwindcss": "^4.0.0-beta.9",
     "typescript": "^5.0.0",
     "vite": "^5.4.11",

postcss.config.js

@@ -1,5 +1,5 @@
 export default {
 	plugins: {
-		'@tailwindcss/postcss': {},
+		'@tailwindcss/postcss': {}
 	}
-};
+}

src/app.css

@@ -11,11 +11,11 @@
   color utility to any element that depends on these defaults.
 */
 @layer base {
-  *,
-  ::after,
-  ::before,
-  ::backdrop,
-  ::file-selector-button {
-    border-color: var(--color-gray-200, currentColor);
-  }
+	*,
+	::after,
+	::before,
+	::backdrop,
+	::file-selector-button {
+		border-color: var(--color-gray-200, currentColor);
+	}
 }

src/app.d.ts

@@ -10,4 +10,4 @@ declare global {
 	}
 }
 
-export {};
+export {}

src/lib/CodeEditor.svelte

@@ -1,153 +1,39 @@
-<script lang=ts>
-	import { onMount } from 'svelte';
-	import * as monaco from 'monaco-editor';
-	import tsWorker from 'monaco-editor/esm/vs/language/typescript/ts.worker?worker';
-	import {} from 'sprig/web';
-	import { constrainedEditor } from 'constrained-editor-plugin';
-	import { parse } from '@babel/parser';
-	import { buildProject } from './build/esbuild';
+<script lang="ts">
+	import { onMount } from 'svelte'
+	import { buildProject } from './build/esbuild'
+	import checkBabel, { setupBabel } from './text-editor/babel'
+
+	import { basicSetup, EditorView } from 'codemirror'
+
+	import CodeMirror from 'svelte-codemirror-editor'
+	import { env, typescriptExtensions } from './text-editor/extensions/typescript'
+	let { code = $bindable() }: { code: string } = $props()
+	let editor = $state<EditorView>();
+	let value = $state<string>(
+`/// <reference types="lib.sprig.d.ts" />
+async function game(api: sprig.FullSprigAPI): void {
+  // Code here
+}`)
+
+	const extensions = [basicSetup, ...typescriptExtensions]
 
-	let editorContainer: HTMLDivElement;
-	let editor: import('monaco-editor').editor.IStandaloneCodeEditor;
-	// const monaco = await import ('monaco-editor')
-	// Initial code inside the function
-	function debounce<A, T = void>(func: (this: T, ...args: A[]) => any, timeout = 300) {
-		let timer: number;
-		return function (this: T, ...args: A[]) {
-			clearTimeout(timer);
-			timer = setTimeout(() => {
-				func.apply(this, args);
-			}, timeout);
-		};
-	}
-	let { code = $bindable() }: { code: string } = $props();
 	onMount(async () => {
-		window.build = () => buildProject(code, true);
-		globalThis.process = {};
-		globalThis.process.env = {};
-		const { recursive } = await import('babel-walk');
-		await addGlobalTypes();
-		setupEditor();
-		self.MonacoEnvironment = {
-			getWorker: function (_: any, label: string) {
-				return new tsWorker();
-			}
-		};
+		// @ts-expect-error: @babel/types uses process.env without `?.` (ironic that babel is only implemented to warn against using `?.` )
+		window.process = { env: {} }
+		// @ts-expect-error
+		window.env = env
 
-		async function addGlobalTypes() {
-			const sprigTypeDef = (await import('./editorcontext/sprig.d.ts?raw')).default;
-			monaco.languages.typescript.typescriptDefaults.addExtraLib(
-				sprigTypeDef,
-				'context/sprig.d.ts'
-			);
-			
-			// IMPLEMENT ONCE v2 IS DONE!
-			// const sprigsyTypeDef = (await import('./editorcontext/sprigsy.d.ts?raw')).default;
-			// monaco.languages.typescript.typescriptDefaults.addExtraLib(
-			// 	sprigsyTypeDef,
-			// 	'context/sprigsy.d.ts'
-			// );
-		}
-		const disallowedIdentifiers = ['window', 'globalThis'];
-		type ASTState = {
-			disallowedWarnings: { identifier: string; loc: [number, number, number, number] }[];
-			errors: { reason: string; loc: [number, number, number, number] }[];
-		};
-		const ASTWalker = recursive<ASTState>({
-			Identifier(node, state, c) {
-				if (disallowedIdentifiers.includes(node.name)) {
-					state.disallowedWarnings.push({
-						identifier: node.name,
-						loc: [
-							node.loc?.start?.line!,
-							node.loc?.start?.column!,
-							node.loc?.end?.line!,
-							node.loc?.end?.column!
-						]
-					});
-				}
-			},
- 
-			MemberExpression(node, state, c) {
-				if (node.optional) {
-					state.errors.push({
-						reason: 'optional chaining (?.) will work in the editor but it will not work on the sprig console',
-						loc: [
-							node.loc?.start.line!,
-							node.loc?.start.column!,
-							node.loc?.end.line!,
-							node.loc?.end.column!
-						]
-					});
-				}
-			}
-		});
-		const checkBabel = debounce(() => {
-			let ast;
-			try {
-				ast = parse(editor.getValue(), {
-					plugins: ['typescript']
-				});
-			} catch {
-				return;
-			}
-			const state: ASTState = { disallowedWarnings: [], errors: [] };
-			ASTWalker(ast, state);
-			state.disallowedWarnings.forEach((v) => {
-				monaco.editor.setModelMarkers(editor.getModel()!, editor.getId(), [
-					{
-						message: `'${v.identifier}' is not allowed.`,
-						severity: monaco.MarkerSeverity.Error,
-						startLineNumber: v.loc[0],
-						startColumn: v.loc[1] + 1,
-						endLineNumber: v.loc[2],
-						endColumn: v.loc[3] + 1
-					}
-				]);
-			});
-		});
-
-		function setupEditor() {
-			editor = monaco.editor.create(editorContainer, {
-				value: `async function game(api: sprig.FullSprigAPI): void {
-	// Code here
-}`,
-				language: 'typescript',
-				automaticLayout: true,
-				scrollBeyondLastLine: false,
-				theme: 'vs-dark'
-			});
-
-			const model = editor.getModel()!;
-			const constrainedInstance = constrainedEditor(monaco);
-			constrainedInstance.initializeIn(editor);
-			constrainedInstance.addRestrictionsTo(model, [
-				{
-					range: [2, 1, 2, 14], // Range of Function definition
-					allowMultiline: true,
-					label: 'funcDefinition'
-				}
-			]);
-			model.updateValueInEditableRanges({
-				funcDefinition: code
-			});
-			editor.onDidChangeModelContent((event) => {
-				code = model.getValueInEditableRanges().funcDefinition;
-				checkBabel();
-			});
-		}
-		return () => {
-			if (editor) {
-				editor.dispose();
-			}
-		};
-	});
+		await setupBabel()
+	})
 </script>
 
-<div bind:this={editorContainer} class="editor-container"></div>
+<!-- <div bind:this={editorContainer} class="editor-container"></div> -->
+<CodeMirror on:ready={(e) => editor = e.detail} on:change={(e) => {
+	console.log(e)
+}} bind:value {extensions}  class="editor-container" />
 
-<style lang=postcss>
-	.editor-container {
+<style lang="postcss">
+	:global(.editor-container) {
 		@apply h-screen w-full;
 	}
 </style>

src/lib/CodeEditorOld.svelte

@@ -0,0 +1,147 @@
+<script lang="ts">
+	import { onMount } from 'svelte'
+	import { parse } from '@babel/parser'
+	import { buildProject } from './build/esbuild'
+
+	let editorContainer: HTMLDivElement
+	let editor: import('monaco-editor').editor.IStandaloneCodeEditor
+	// const monaco = await import ('monaco-editor')
+	// Initial code inside the function
+	function debounce<A, T = void>(func: (this: T, ...args: A[]) => any, timeout = 300) {
+		let timer: number
+		return function (this: T, ...args: A[]) {
+			clearTimeout(timer)
+			timer = setTimeout(() => {
+				func.apply(this, args)
+			}, timeout)
+		}
+	}
+	let { code = $bindable() }: { code: string } = $props()
+	onMount(async () => {
+		window.build = () => buildProject(code, true)
+		globalThis.process = {}
+		globalThis.process.env = {}
+		const { recursive } = await import('babel-walk')
+		await addGlobalTypes()
+		setupEditor()
+		self.MonacoEnvironment = {
+			getWorker: function (_: any, label: string) {
+				return new tsWorker()
+			}
+		}
+
+		async function addGlobalTypes() {
+			const sprigTypeDef = (await import('./editorcontext/sprig.d.ts?raw')).default
+			monaco.languages.typescript.typescriptDefaults.addExtraLib(sprigTypeDef, 'context/sprig.d.ts')
+
+			// IMPLEMENT ONCE v2 IS DONE!
+			// const sprigsyTypeDef = (await import('./editorcontext/sprigsy.d.ts?raw')).default;
+			// monaco.languages.typescript.typescriptDefaults.addExtraLib(
+			// 	sprigsyTypeDef,
+			// 	'context/sprigsy.d.ts'
+			// );
+		}
+		const disallowedIdentifiers = ['window', 'globalThis']
+		type ASTState = {
+			disallowedWarnings: { identifier: string; loc: [number, number, number, number] }[]
+			errors: { reason: string; loc: [number, number, number, number] }[]
+		}
+		const ASTWalker = recursive<ASTState>({
+			Identifier(node, state, c) {
+				if (disallowedIdentifiers.includes(node.name)) {
+					state.disallowedWarnings.push({
+						identifier: node.name,
+						loc: [
+							node.loc?.start?.line!,
+							node.loc?.start?.column!,
+							node.loc?.end?.line!,
+							node.loc?.end?.column!
+						]
+					})
+				}
+			},
+
+			MemberExpression(node, state, c) {
+				if (node.optional) {
+					state.errors.push({
+						reason:
+							'optional chaining (?.) will work in the editor but it will not work on the sprig console',
+						loc: [
+							node.loc?.start.line!,
+							node.loc?.start.column!,
+							node.loc?.end.line!,
+							node.loc?.end.column!
+						]
+					})
+				}
+			}
+		})
+		const checkBabel = debounce(() => {
+			let ast
+			try {
+				ast = parse(editor.getValue(), {
+					plugins: ['typescript']
+				})
+			} catch {
+				return
+			}
+			const state: ASTState = { disallowedWarnings: [], errors: [] }
+			ASTWalker(ast, state)
+			state.disallowedWarnings.forEach((v) => {
+				monaco.editor.setModelMarkers(editor.getModel()!, editor.getId(), [
+					{
+						message: `'${v.identifier}' is not allowed.`,
+						severity: monaco.MarkerSeverity.Error,
+						startLineNumber: v.loc[0],
+						startColumn: v.loc[1] + 1,
+						endLineNumber: v.loc[2],
+						endColumn: v.loc[3] + 1
+					}
+				])
+			})
+		})
+
+		function setupEditor() {
+			editor = monaco.editor.create(editorContainer, {
+				value: `async function game(api: sprig.FullSprigAPI): void {
+	// Code here
+}`,
+				language: 'typescript',
+				automaticLayout: true,
+				scrollBeyondLastLine: false,
+				theme: 'vs-dark'
+			})
+
+			const model = editor.getModel()!
+			const constrainedInstance = constrainedEditor(monaco)
+			constrainedInstance.initializeIn(editor)
+			constrainedInstance.addRestrictionsTo(model, [
+				{
+					range: [2, 1, 2, 14], // Range of Function definition
+					allowMultiline: true,
+					label: 'funcDefinition'
+				}
+			])
+			model.updateValueInEditableRanges({
+				funcDefinition: code
+			})
+			editor.onDidChangeModelContent((event) => {
+				code = model.getValueInEditableRanges().funcDefinition
+				checkBabel()
+			})
+		}
+		return () => {
+			if (editor) {
+				editor.dispose()
+			}
+		}
+	})
+</script>
+
+<div bind:this={editorContainer} class="editor-container"></div>
+
+<style lang="postcss">
+	.editor-container {
+		@apply h-screen w-full;
+	}
+</style>

src/lib/build/esbuild.ts

@@ -1,23 +1,23 @@
-import { transform, initialize } from 'esbuild-wasm';
+import { transform, initialize } from 'esbuild-wasm'
 
 await initialize({
 	wasmURL: (await import('esbuild-wasm/esbuild.wasm?url')).default
-});
+})
 
 export async function buildProject(code: string, vanilla: boolean) {
-	let template = '';
+	let template = ''
 	if (vanilla) {
 		template += `async function game(api) {
 ${code}
 }
 console.log("Made with Sprigsy")
 game({ addSprite, addText, afterInput, bitmap, clearInterval, clearText, clearTile, clearTimeout, color, getAll, getFirst, getGrid, getTile, height, map, onInput, playTune, setBackground, setInterval, setLegend, setMap, setPushables, setSolids, setTimeout, tilesWith, tune, width })
-`;
+`
 	} else {
-		throw new Error('not implemented');
+		throw new Error('not implemented')
 	}
 
 	return await transform(template, {
-		loader: 'ts',
-	});
+		loader: 'ts'
+	})
 }

src/lib/components/Tab.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-	import type { Snippet } from 'svelte';
+	import type { Snippet } from 'svelte'
 
 	let {
 		tab = $bindable(),
@@ -7,17 +7,17 @@
 		map,
 		...props
 	}: {
-		tab: string | undefined;
-		disabled?: boolean;
-		map?: Record<string, string>;
-		class?: string;
-		[x: `_${string}`]: Snippet<[]>;
-	} = $props();
+		tab: string | undefined
+		disabled?: boolean
+		map?: Record<string, string>
+		class?: string
+		[x: `_${string}`]: Snippet<[]>
+	} = $props()
 	const tabs = Object.fromEntries(
 		Object.entries(props)
 			.filter((v) => v[0].startsWith('_'))
 			.map(([name, snippet]): [string, Snippet<[]>] => [name.replace('_', ''), snippet])
-	);
+	)
 </script>
 
 <div role="tablist" class="tabs tabs-boxed {props.class}">

src/lib/editorcontext/sprig.d.ts

@@ -1,79 +0,0 @@
-/**
- * normal sprig api
- * this is provided because your project type is
- */
-declare namespace sprig {
-	export declare const VALID_INPUTS: readonly ['w', 's', 'a', 'd', 'i', 'j', 'k', 'l'];
-	export type InputKey = (typeof VALID_INPUTS)[number];
-	export interface AddTextOptions {
-		x?: number;
-		y?: number;
-		color?: string;
-	}
-	export declare class SpriteType {
-		type: string;
-		x: number;
-		y: number;
-		readonly dx: number;
-		readonly dy: number;
-		remove(): void;
-	}
-	export type Rgba = [number, number, number, number];
-	export interface TextElement {
-		x: number;
-		y: number;
-		color: Rgba;
-		content: string;
-	}
-	export interface GameState {
-		legend: [string, string][];
-		texts: TextElement[];
-		dimensions: {
-			width: number;
-			height: number;
-		};
-		sprites: SpriteType[];
-		solids: string[];
-		pushable: Record<string, string[]>;
-		background: string | null;
-	}
-	export interface PlayTuneRes {
-		end(): void;
-		isPlaying(): boolean;
-	}
-	// export declare const tones: Record<string, number>;
-	// export declare const instruments: readonly ["sine", "triangle", "square", "sawtooth"];
-	export type InstrumentType = (typeof instruments)[number];
-	// export declare const instrumentKey: Record<string, InstrumentType>;
-	// export declare const reverseInstrumentKey: Record<"sine" | "triangle" | "square" | "sawtooth", string>;
-	export type Tune = [number, ...(InstrumentType | number | string)[]][];
-	export interface FullSprigAPI {
-		map(template: TemplateStringsArray, ...params: string[]): string;
-		bitmap(template: TemplateStringsArray, ...params: string[]): string;
-		color(template: TemplateStringsArray, ...params: string[]): string;
-		tune(template: TemplateStringsArray, ...params: string[]): string;
-		setMap(string: string): void;
-		addText(str: string, opts?: AddTextOptions): void;
-		clearText(): void;
-		addSprite(x: number, y: number, type: string): void;
-		getGrid(): SpriteType[][];
-		getTile(x: number, y: number): SpriteType[];
-		tilesWith(...matchingTypes: string[]): SpriteType[][];
-		clearTile(x: number, y: number): void;
-		setSolids(types: string[]): void;
-		setPushables(map: Record<string, string[]>): void;
-		setBackground(type: string): void;
-		getFirst(type: string): SpriteType | undefined;
-		getAll(type?: string): SpriteType[];
-		width(): number;
-		height(): number;
-		setLegend(...bitmaps: [string, string][]): void;
-		onInput(key: InputKey, fn: () => void): void;
-		afterInput(fn: () => void): void;
-		playTune(text: string, n?: number): PlayTuneRes;
-		setTimeout(fn: TimerHandler, ms: number): number;
-		setInterval(fn: TimerHandler, ms: number): number;
-		clearTimeout(id: number): void;
-		clearInterval(id: number): void;
-	}
-}

src/lib/provider/Provider.ts

@@ -1,30 +1,26 @@
-import { buildProject } from "$lib/build/esbuild"
+import { buildProject } from '$lib/build/esbuild'
 
 enum Capability {
-    BuildToVite,
-    ProjectDB
+	BuildToVite,
+	ProjectDB
 }
 
 export default abstract class Provider {
-    constructor(
+	constructor() {}
 
-    ) {
+	abstract capabilities(): Capability[]
 
-    }
+	/**
+	 * Builds HTML project
+	 */
+	async buildHTML(input: string): Promise<string> {
+		throw new TypeError('BuildToVite capability is not available')
+	}
 
-    abstract capabilities(): Capability[]
-
-    /**
-     * Builds HTML project
-     */
-    async buildHTML(input: string): Promise<string> {
-        throw new TypeError("BuildToVite capability is not available")
-    }
-
-    /**
-     * Build JS
-     */
-    async buildJS(input: string): Promise<string> {
-        return (await buildProject(input, true)).code
-    }
+	/**
+	 * Build JS
+	 */
+	async buildJS(input: string): Promise<string> {
+		return (await buildProject(input, true)).code
+	}
 }

src/lib/text-editor/Tooltip.svelte

@@ -0,0 +1,6 @@
+<script lang=ts>
+	import type { HoverInfo } from "@valtown/codemirror-ts"
+
+    let { info }: { info: HoverInfo } = $props();
+    console.log(info)
+</script>

src/lib/text-editor/babel.ts

@@ -0,0 +1,71 @@
+import { debounce } from '@std/async'
+import { parse } from '@babel/parser'
+
+let traverse: typeof import("@babel/traverse")['default']
+
+export async function setupBabel() {
+    traverse = (await import("@babel/traverse")).default
+}
+
+const disallowedIdentifiers = ['window', 'globalThis']
+type ASTState = {
+    disallowedWarnings: { identifier: string; loc: [number, number, number, number] }[]
+    errors: { reason: string; loc: [number, number, number, number] }[]
+}
+
+export default debounce((code: string) => {
+    let ast
+    try {
+        ast = parse(code, {
+            plugins: ['typescript']
+        })
+    } catch {
+        return
+    }
+    const state: ASTState = { disallowedWarnings: [], errors: [] }
+    traverse(ast, {
+        MemberExpression: {
+            enter: (path, state) => {
+                if (path.node.optional) {
+                    state.errors.push({
+                        reason:
+                            'optional chaining (?.) will work in the editor but it will not work on the sprig console',
+                        loc: [
+                            path.node.loc?.start.line!,
+                            path.node.loc?.start.column!,
+                            path.node.loc?.end.line!,
+                            path.node.loc?.end.column!
+                        ]
+                    })
+                }
+            }
+        },
+        Identifier: {
+            enter: (path, state) => {
+                if (disallowedIdentifiers.includes(path.node.name)) {
+                    state.disallowedWarnings.push({
+                        identifier: path.node.name,
+                        loc: [
+                            path.node.loc?.start?.line!,
+                            path.node.loc?.start?.column!,
+                            path.node.loc?.end?.line!,
+                            path.node.loc?.end?.column!
+                        ]
+                    })
+                }
+            }
+        },
+    }, undefined, state)
+    state.disallowedWarnings.forEach((v) => {
+        monaco.editor.setModelMarkers(editor.getModel()!, editor.getId(), [
+            {
+                message: `'${v.identifier}' is not allowed.`,
+                severity: monaco.MarkerSeverity.Error,
+                startLineNumber: v.loc[0],
+                startColumn: v.loc[1] + 1,
+                endLineNumber: v.loc[2],
+                endColumn: v.loc[3] + 1
+            }
+        ])
+    })
+}, 300)

src/lib/text-editor/context/sprig.d.ts

@@ -0,0 +1,84 @@
+/**
+ * basic sprig API
+ * this is provided because your project type is base
+ */
+declare global {
+	declare namespace sprig {
+		export declare const VALID_INPUTS: readonly ['w', 's', 'a', 'd', 'i', 'j', 'k', 'l']
+		export type InputKey = (typeof VALID_INPUTS)[number]
+		export interface AddTextOptions {
+			x?: number
+			y?: number
+			color?: string
+		}
+		export declare class SpriteType {
+			type: string
+			x: number
+			y: number
+			readonly dx: number
+			readonly dy: number
+			remove(): void
+		}
+		export type Rgba = [number, number, number, number]
+		export interface TextElement {
+			x: number
+			y: number
+			color: Rgba
+			content: string
+		}
+		export interface GameState {
+			legend: [string, string][]
+			texts: TextElement[]
+			dimensions: {
+				width: number
+				height: number
+			}
+			sprites: SpriteType[]
+			solids: string[]
+			pushable: Record<string, string[]>
+			background: string | null
+		}
+		export interface PlayTuneRes {
+			end(): void
+			isPlaying(): boolean
+		}
+		// export declare const tones: Record<string, number>;
+		// export declare const instruments: readonly ["sine", "triangle", "square", "sawtooth"];
+		export type InstrumentType = (typeof instruments)[number]
+		// export declare const instrumentKey: Record<string, InstrumentType>;
+		// export declare const reverseInstrumentKey: Record<"sine" | "triangle" | "square" | "sawtooth", string>;
+		export type Tune = [number, ...(InstrumentType | number | string)[]][]
+		export interface FullSprigAPI {
+			map(template: TemplateStringsArray, ...params: string[]): string
+			bitmap(template: TemplateStringsArray, ...params: string[]): string
+			color(template: TemplateStringsArray, ...params: string[]): string
+			tune(template: TemplateStringsArray, ...params: string[]): string
+			setMap(string: string): void
+			addText(str: string, opts?: AddTextOptions): void
+			clearText(): void
+			addSprite(x: number, y: number, type: string): void
+			getGrid(): SpriteType[][]
+			getTile(x: number, y: number): SpriteType[]
+			tilesWith(...matchingTypes: string[]): SpriteType[][]
+			clearTile(x: number, y: number): void
+			setSolids(types: string[]): void
+			setPushables(map: Record<string, string[]>): void
+			setBackground(type: string): void
+			getFirst(type: string): SpriteType | undefined
+			getAll(type?: string): SpriteType[]
+			width(): number
+			height(): number
+			setLegend(...bitmaps: [string, string][]): void
+			onInput(key: InputKey, fn: () => void): void
+			afterInput(fn: () => void): void
+			playTune(text: string, n?: number): PlayTuneRes
+			setTimeout(fn: TimerHandler, ms: number): number
+			setInterval(fn: TimerHandler, ms: number): number
+			clearTimeout(id: number): void
+			clearInterval(id: number): void
+		}
+	}
+	
+}
+
+export {};

src/lib/text-editor/context/sprigsy.d.ts

@@ -1,4 +1,5 @@
 /**
+ * THIS SHOULD NOT BE HERE
  * API for sprigsy
  * this is provided because your project has sprigsy v2 enabeled
  */
@@ -8,6 +9,6 @@ declare namespace sprigsy {
 		 * Retrieve a sprite key for the sprite name
 		 * @param name Sprite name
 		 */
-		spriteKeyFor(name: string): string;
+		spriteKeyFor(name: string): string
 	}
 }

src/lib/text-editor/extensions/typescript.ts

@@ -0,0 +1,62 @@
+import { javascript } from '@codemirror/lang-javascript'
+import { autocompletion } from '@codemirror/autocomplete'
+import Tooltip from '../Tooltip.svelte'
+import { mount, unmount } from 'svelte'
+import {
+  createDefaultMapFromCDN,
+  createSystem,
+  createVirtualTypeScriptEnvironment
+} from '@typescript/vfs'
+import ts from 'typescript'
+import { tsFacet, tsLinter, tsHover, tsAutocomplete, tsSync } from '@valtown/codemirror-ts'
+
+import sprigDeclarations from '$lib/text-editor/context/sprig.d.ts?raw'
+
+const fsMap = await createDefaultMapFromCDN({ target: ts.ScriptTarget.ES2022 }, '5.7.3', true, ts)
+fsMap.set('lib.sprig.d.ts', sprigDeclarations)
+const system = createSystem(fsMap)
+const compilerOpts = {}
+const env = createVirtualTypeScriptEnvironment(system, ['lib.sprig.d.ts'], ts, compilerOpts)
+
+console.log(fsMap.entries().toArray())
+const path = 'index.ts'
+
+export const typescriptExtensions = [
+  javascript({
+    jsx: false,
+    typescript: true
+  }),
+  tsFacet.of({ env, path }),
+  tsSync(),
+  tsLinter(),
+  autocompletion({
+    override: [tsAutocomplete()],
+    
+  }),
+  tsHover({
+    renderTooltip: (info) => {
+      console.log("rendering tooltip")
+      let tooltip: Tooltip;
+      const div = document.createElement('div')
+      return {
+        dom: div,
+        mount() {
+          tooltip = mount(Tooltip, {
+            target: div,
+            intro: true,
+            props: {
+              info
+            }
+          })
+        },
+        destroy() {
+          unmount(tooltip, { outro: true })
+        }
+      }
+    }
+  })
+]
+
+export {
+  env
+}

src/routes/+layout.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
-	import '../app.css';
-	const { children } = $props();
+	import '../app.css'
+	const { children } = $props()
 </script>
 
 {@render children()}

src/routes/+layout.ts

@@ -1,2 +1,3 @@
-export const csr = true;
-export const prerender = true;
+export const csr = true
+export const prerender = true
+export const ssr = false

src/routes/+page.svelte

@@ -1,8 +1,11 @@
 <script>
-	import CodeEditor from '$lib/CodeEditor.svelte';
-	import Tab from '$lib/components/Tab.svelte';
-	let tab = 'code';
-	let code = '';
+	import CodeEditor from '$lib/CodeEditor.svelte'
+	import Tab from '$lib/components/Tab.svelte'
+	let tab = 'code'
+	let code = ''
+	function keypress() {
+		debugger;
+	}
 </script>
 
 <div class="flex h-full! w-full select-none flex-col bg-base-100">
@@ -56,3 +59,5 @@
 		This will have the game screen
 	{/if}
 </div>
+
+<svelte:window on:keypress={keypress}></svelte:window>

svelte.config.js

@@ -1,18 +1,17 @@
-import adapter from '@sveltejs/adapter-static';
-import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+import adapter from '@sveltejs/adapter-static'
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte'
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
 	// Consult https://svelte.dev/docs/kit/integrations
 	// for more information about preprocessors
 	preprocess: vitePreprocess(),
-
 	kit: {
 		// adapter-auto only supports some environments, see https://svelte.dev/docs/kit/adapter-auto for a list.
 		// If your environment is not supported, or you settled on a specific environment, switch out the adapter.
 		// See https://svelte.dev/docs/kit/adapters for more information about adapters.
 		adapter: adapter()
 	}
-};
+}
 
-export default config;
+export default config

vite.config.ts

@@ -1,9 +1,9 @@
-import { sveltekit } from '@sveltejs/kit/vite';
-import { defineConfig } from 'vite';
+import { sveltekit } from '@sveltejs/kit/vite'
+import { defineConfig } from 'vite'
 
 export default defineConfig({
 	plugins: [sveltekit()],
 	build: {
 		target: ['es2022']
 	}
-});
+})