feat: upgrade to Volar 2.0 alpha

packages/astro-check/src/index.ts

@@ -44,20 +44,20 @@ export async function check(flags: Partial<Flags>): Promise<boolean | void> {
 		// Dynamically get the list of extensions to watch from the files already included in the project
 		const checkedExtensions = Array.from(
 			new Set(
-				checker.project.languageHost.getScriptFileNames().map((fileName) => path.extname(fileName))
+				checker.linter.languageHost.getScriptFileNames().map((fileName) => path.extname(fileName))
 			)
 		);
 		createWatcher(workspaceRoot, checkedExtensions)
 			.on('add', (fileName) => {
-				checker.project.fileCreated(fileName);
+				checker.linter.fileCreated(fileName);
 				update();
 			})
 			.on('unlink', (fileName) => {
-				checker.project.fileDeleted(fileName);
+				checker.linter.fileDeleted(fileName);
 				update();
 			})
 			.on('change', (fileName) => {
-				checker.project.fileUpdated(fileName);
+				checker.linter.fileUpdated(fileName);
 				update();
 			});
 	}

packages/language-server/package.json

@@ -28,20 +28,18 @@
   "dependencies": {
     "@astrojs/compiler": "^2.2.2",
     "@jridgewell/sourcemap-codec": "^1.4.15",
-    "@volar/kit": "~1.10.9",
-    "@volar/language-core": "~1.10.9",
-    "@volar/language-server": "~1.10.9",
-    "@volar/language-service": "~1.10.9",
-    "@volar/source-map": "~1.10.9",
-    "@volar/typescript": "~1.10.9",
+    "@volar/kit": "2.0.0-alpha.6",
+    "@volar/language-core": "2.0.0-alpha.6",
+    "@volar/language-server": "2.0.0-alpha.6",
+    "@volar/language-service": "2.0.0-alpha.6",
+    "@volar/typescript": "2.0.0-alpha.6",
     "fast-glob": "^3.2.12",
-    "muggle-string": "^0.3.1",
-    "volar-service-css": "0.0.16",
-    "volar-service-emmet": "0.0.16",
-    "volar-service-html": "0.0.16",
-    "volar-service-prettier": "0.0.16",
-    "volar-service-typescript": "0.0.16",
-    "volar-service-typescript-twoslash-queries": "0.0.16",
+    "volar-service-css": "0.0.21",
+    "volar-service-emmet": "0.0.21",
+    "volar-service-html": "0.0.21",
+    "volar-service-prettier": "0.0.21",
+    "volar-service-typescript": "0.0.21",
+    "volar-service-typescript-twoslash-queries": "0.0.21",
     "vscode-html-languageservice": "^5.1.0",
     "vscode-uri": "^3.0.8"
   },
@@ -51,6 +49,7 @@
     "@types/chai": "^4.3.5",
     "@types/mocha": "^10.0.1",
     "@types/node": "^18.17.8",
+    "@volar/test-utils": "2.0.0-alpha.6",
     "astro": "^3.3.0",
     "chai": "^4.3.7",
     "mocha": "^10.2.0",

packages/language-server/src/check.ts

@@ -30,8 +30,7 @@ export interface CheckResult {
 
 export class AstroCheck {
 	private ts!: typeof import('typescript/lib/tsserverlibrary.js');
-	public project!: ReturnType<typeof kit.createProject>;
-	private linter!: ReturnType<typeof kit.createLinter>;
+	public linter!: ReturnType<(typeof kit)['createTypeScriptChecker']>;
 
 	constructor(
 		private readonly workspacePath: string,
@@ -61,7 +60,7 @@ export class AstroCheck {
 			| undefined;
 	}): Promise<CheckResult> {
 		const files =
-			fileNames !== undefined ? fileNames : this.project.languageHost.getScriptFileNames();
+			fileNames !== undefined ? fileNames : this.linter.languageHost.getScriptFileNames();
 
 		const result: CheckResult = {
 			status: undefined,
@@ -98,7 +97,7 @@ export class AstroCheck {
 					console.info(errorText);
 				}
 
-				const fileSnapshot = this.project.languageHost.getScriptSnapshot(file);
+				const fileSnapshot = this.linter.languageHost.getScriptSnapshot(file);
 				const fileContent = fileSnapshot?.getText(0, fileSnapshot.getLength());
 
 				result.fileResult.push({
@@ -131,38 +130,28 @@ export class AstroCheck {
 		const tsconfigPath = this.getTsconfig();
 
 		const astroInstall = getAstroInstall([this.workspacePath]);
-		const config: kit.Config = {
-			languages: {
-				astro: getLanguageModule(
-					typeof astroInstall === 'string' ? undefined : astroInstall,
-					this.ts
-				),
-				svelte: getSvelteLanguageModule(),
-				vue: getVueLanguageModule(),
-			},
-			services: {
-				typescript: createTypeScriptService(),
-				astro: createAstroService(),
-			},
-		};
+		const languages = [
+			getLanguageModule(typeof astroInstall === 'string' ? undefined : astroInstall, this.ts),
+			getSvelteLanguageModule(),
+			getVueLanguageModule(),
+		];
+		const services = [createTypeScriptService(this.ts), createAstroService(this.ts)];
 
 		if (tsconfigPath) {
-			this.project = kit.createProject(tsconfigPath, [
+			this.linter = kit.createTypeScriptChecker(languages, services, tsconfigPath, [
 				{ extension: 'astro', isMixedContent: true, scriptKind: 7 },
 				{ extension: 'vue', isMixedContent: true, scriptKind: 7 },
 				{ extension: 'svelte', isMixedContent: true, scriptKind: 7 },
 			]);
 		} else {
-			this.project = kit.createInferredProject(this.workspacePath, () => {
+			this.linter = kit.createTypeScriptInferredChecker(languages, services, () => {
 				return fg.sync('**/*.astro', {
 					cwd: this.workspacePath,
 					ignore: ['node_modules'],
 					absolute: true,
 				});
 			});
 		}
-
-		this.linter = kit.createLinter(config, this.project.languageHost);
 	}
 
 	private getTsconfig() {

packages/language-server/src/core/astro2tsx.ts

@@ -1,7 +1,7 @@
 import { convertToTSX } from '@astrojs/compiler/sync';
 import type { ConvertToTSXOptions, TSXResult } from '@astrojs/compiler/types';
 import { decode } from '@jridgewell/sourcemap-codec';
-import { FileKind, FileRangeCapabilities, VirtualFile } from '@volar/language-core';
+import type { CodeInformation, VirtualFile } from '@volar/language-core';
 import { HTMLDocument, TextDocument } from 'vscode-html-languageservice';
 import { patchTSX } from './utils.js';
 
@@ -59,8 +59,8 @@ function getVirtualFileTSX(
 ): VirtualFile {
 	tsx.code = patchTSX(tsx.code, fileName);
 	const v3Mappings = decode(tsx.map.mappings);
-	const sourcedDoc = TextDocument.create(fileName, 'astro', 0, input);
-	const genDoc = TextDocument.create(fileName + '.tsx', 'typescriptreact', 0, tsx.code);
+	const sourcedDoc = TextDocument.create('file://' + fileName, 'astro', 0, input);
+	const genDoc = TextDocument.create('file://' + fileName + '.tsx', 'typescriptreact', 0, tsx.code);
 
 	const mappings: VirtualFile['mappings'] = [];
 
@@ -93,33 +93,37 @@ function getVirtualFileTSX(
 					const lastMapping = mappings.length ? mappings[mappings.length - 1] : undefined;
 					if (
 						lastMapping &&
-						lastMapping.generatedRange[1] === current.genOffset &&
-						lastMapping.sourceRange[1] === current.sourceOffset
+						lastMapping.generatedOffsets[0] + lastMapping.lengths[0] === current.genOffset &&
+						lastMapping.sourceOffsets[0] + lastMapping.lengths[0] === current.sourceOffset
 					) {
-						lastMapping.generatedRange[1] = current.genOffset + length;
-						lastMapping.sourceRange[1] = current.sourceOffset + length;
+						lastMapping.lengths[0] += length;
 					} else {
 						// Disable features inside script tags. This is a bit annoying to do, I wonder if maybe leaving script tags
 						// unmapped would be better.
 						const node = htmlDocument.findNodeAt(current.sourceOffset);
-						const rangeCapabilities: FileRangeCapabilities =
+						const rangeCapabilities: CodeInformation =
 							node.tag !== 'script'
-								? FileRangeCapabilities.full
+								? {
+										verification: true,
+										completion: true,
+										semantic: true,
+										navigation: true,
+										structure: true,
+										format: true,
+								  }
 								: {
+										verification: false,
 										completion: false,
-										definition: false,
-										diagnostic: false,
-										displayWithLink: false,
-										hover: false,
-										references: false,
-										referencesCodeLens: false,
-										rename: false,
-										semanticTokens: false,
+										semantic: false,
+										navigation: false,
+										structure: false,
+										format: false,
 								  };
 
 						mappings.push({
-							sourceRange: [current.sourceOffset, current.sourceOffset + length],
-							generatedRange: [current.genOffset, current.genOffset + length],
+							sourceOffsets: [current.sourceOffset],
+							generatedOffsets: [current.genOffset],
+							lengths: [length],
 							data: rangeCapabilities,
 						});
 					}
@@ -136,27 +140,12 @@ function getVirtualFileTSX(
 		}
 	}
 
-	const ast = ts.createSourceFile('/a.tsx', tsx.code, ts.ScriptTarget.ESNext);
-	if (ast.statements[0]) {
-		mappings.push({
-			sourceRange: [0, input.length],
-			generatedRange: [ast.statements[0].getStart(ast), tsx.code.length],
-			data: {},
-		});
-	}
-
 	return {
 		fileName: fileName + '.tsx',
-		kind: FileKind.TypeScriptHostFile,
-		capabilities: {
-			codeAction: true,
-			documentFormatting: false,
-			diagnostic: true,
-			documentSymbol: true,
-			inlayHint: true,
-			foldingRange: true,
+		languageId: 'typescriptreact',
+		typescript: {
+			scriptKind: ts.ScriptKind.TSX,
 		},
-		codegenStacks: [],
 		snapshot: {
 			getText: (start, end) => tsx.code.substring(start, end),
 			getLength: () => tsx.code.length,