fix: respect enable configuration more accurately

client/extension.ts

@@ -87,7 +87,9 @@ export async function activate(context: ExtensionContext) {
 
 					logger.debug('[client] onDidChangeActiveTextEditor', textDocument?.uri.fsPath);
 
-					const isEnabled = workspace.getConfiguration('xo').get<boolean>('enable', true);
+					const isEnabled = workspace
+						.getConfiguration('xo', textDocument)
+						.get<boolean>('enable', true);
 
 					if (!isEnabled) {
 						logger.debug('[client] onDidChangeActiveTextEditor > XO is not enabled');

server/get-document-config.ts

@@ -11,22 +11,21 @@ async function getDocumentConfig(
 	this: LintServer,
 	document: TextDocumentIdentifier
 ): Promise<XoConfig> {
-	const folderUri = path.dirname(document.uri);
-
-	if (this.configurationCache.has(folderUri)) {
-		const config: XoConfig = this.configurationCache.get(folderUri)!;
+	if (this.configurationCache.has(document.uri)) {
+		const config: XoConfig = this.configurationCache.get(document.uri)!;
 
 		if (config !== undefined) return config;
 
 		return {};
 	}
 
-	const config: XoConfig = (await this.connection.workspace.getConfiguration({
-		scopeUri: folderUri,
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
+	const config: XoConfig = await this.connection.workspace.getConfiguration({
+		scopeUri: document.uri,
 		section: 'xo'
-	})) as XoConfig;
+	});
 
-	this.configurationCache.set(folderUri, config);
+	this.configurationCache.set(document.uri, config);
 
 	return config;
 }

server/lint-document.ts

@@ -17,7 +17,9 @@ export async function lintDocument(this: LintServer, document: TextDocument): Pr
 
 		if (document.version !== currentDocument.version) return;
 
-		const {overrideSeverity} = await this.getDocumentConfig(document);
+		const {overrideSeverity, enable} = await this.getDocumentConfig(document);
+
+		if (!enable) return;
 
 		const {results, rulesMeta} = await this.getLintResults(document);
 

server/server.ts

@@ -57,7 +57,6 @@ class LintServer {
 	documentFixCache: Map<string, Map<string, XoFix>>;
 	hasShownResolutionError: boolean;
 	hasReceivedShutdownRequest?: boolean;
-	debounceTime = 0;
 
 	constructor({isTest}: {isTest?: boolean} = {}) {
 		/**
@@ -157,7 +156,7 @@ class LintServer {
 		this.xoCache = new Map();
 
 		/**
-		 * A mapping of folderPaths to configuration options
+		 * A mapping of document uri strings to configuration options
 		 */
 		this.configurationCache = new Map();
 
@@ -217,13 +216,6 @@ class LintServer {
 	 * Handle connection.onDidChangeConfiguration
 	 */
 	async handleDidChangeConfiguration(params: ChangeConfigurationParams) {
-		if (
-			Number.isInteger(Number(params?.settings?.xo?.debounce)) &&
-			Number(params?.settings?.xo?.debounce) !== this.debounceTime
-		) {
-			this.debounceTime = params.settings.xo.debounce ?? 0;
-		}
-
 		// recache each folder config
 		this.configurationCache.clear();
 		return this.lintDocuments(this.documents.all());
@@ -286,7 +278,7 @@ class LintServer {
 
 					const config = await this.getDocumentConfig(params.textDocument);
 
-					if (config === undefined || !config?.format?.enable) {
+					if (config === undefined || !config?.format?.enable || !config.enable) {
 						resolve([]);
 						return;
 					}
@@ -345,7 +337,18 @@ class LintServer {
 					}
 
 					const document = this.documents.get(params.textDocument.uri);
-					if (!document) return;
+
+					if (!document) {
+						resolve(undefined);
+						return;
+					}
+
+					const config = await this.getDocumentConfig(document);
+
+					if (config === undefined || !config.enable) {
+						resolve(undefined);
+						return;
+					}
 
 					const codeActions: CodeAction[] = [];
 					if (context.only?.includes(CodeActionKind.SourceFixAll)) {
@@ -397,8 +400,9 @@ class LintServer {
 					return;
 				}
 
+				const config = await this.getDocumentConfig(event.document);
 				const {default: debounce} = await import('p-debounce');
-				await debounce(this.lintDocument, this.debounceTime)(event.document);
+				await debounce(this.lintDocument, config.debounce ?? 0)(event.document);
 			} catch (error: unknown) {
 				if (error instanceof Error) this.logError(error);
 			}

test/index.ts

@@ -1,9 +1,14 @@
 /* eslint-disable import/no-unassigned-import */
 // since globs are not fully supported in node v18 and v20 we import the files manually here
-
+import process from 'node:process';
 // TODO: remove this file once node v21 is LTS
 import './server.test.js';
 import './lsp/document-sync.test.js';
 import './lsp/initialization.test.js';
 import './lsp/code-actions.test.js';
 import './code-actions-builder.test.js';
+
+process.on('unhandledRejection', (error) => {
+	console.error(error);
+	process.exit(1);
+});

test/lsp/code-actions.test.ts

@@ -9,6 +9,7 @@ import {
 	type CodeActionParams,
 	type Range,
 	type TextDocumentIdentifier
+	// type Connection
 } from 'vscode-languageserver';
 import Server from '../../server/server.js';
 import {
@@ -27,6 +28,7 @@ describe('Server code actions', async () => {
 		log: Mock<Server['log']>;
 		getDocumentFormatting: Mock<Server['getDocumentFormatting']>;
 		documents: Map<string, TextDocument> & {all?: typeof Map.prototype.values};
+		getDocumentConfig: Mock<Server['getDocumentConfig']>;
 	};
 
 	test.beforeEach((t) => {
@@ -42,6 +44,7 @@ describe('Server code actions', async () => {
 		server.documents = documents;
 		mock.method(server, 'log', noop);
 		mock.method(server, 'getDocumentFormatting');
+		mock.method(server, 'getDocumentConfig', async () => ({enable: true}));
 	});
 
 	test.afterEach(async () => {
@@ -64,6 +67,7 @@ describe('Server code actions', async () => {
 			context: {diagnostics: [Diagnostic.create(range, 'test message', 1, 'test', 'test')]}
 		};
 		const codeActions = await server.handleCodeActionRequest(mockCodeActionParams);
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.deepEqual(codeActions, []);
 	});
 
@@ -79,10 +83,11 @@ describe('Server code actions', async () => {
 			}
 		};
 		const codeActions = await server.handleCodeActionRequest(mockCodeActionParams);
-
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.deepEqual(codeActions, [
 			{title: 'Fix all XO auto-fixable problems', kind: 'source.fixAll', edit: {changes: {uri: []}}}
 		]);
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.equal(server.getDocumentFormatting.mock.callCount(), 1);
 		assert.deepEqual(server.getDocumentFormatting.mock.calls[0].arguments, ['uri']);
 	});
@@ -99,7 +104,7 @@ describe('Server code actions', async () => {
 			}
 		};
 		const codeActions = await server.handleCodeActionRequest(mockCodeActionParams);
-
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.deepEqual(codeActions, []);
 		assert.equal(server.getDocumentFormatting.mock.callCount(), 0);
 	});
@@ -115,7 +120,7 @@ describe('Server code actions', async () => {
 			}
 		};
 		const codeActions = await server.handleCodeActionRequest(mockCodeActionParams);
-
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.deepEqual(codeActions, []);
 		assert.equal(server.getDocumentFormatting.mock.callCount(), 0);
 	});
@@ -141,4 +146,13 @@ describe('Server code actions', async () => {
 			getIgnoreFileCodeAction()
 		]);
 	});
+
+	await test('codeAction with only quickfix produces quickfix code actions', async (t) => {
+		const params = getCodeActionParams();
+		params.context.only = [CodeActionKind.QuickFix];
+		mock.method(server, 'getDocumentConfig', async () => ({enable: false}));
+		const codeActions = await server.handleCodeActionRequest(params);
+
+		assert.deepStrictEqual(codeActions, undefined);
+	});
 });

test/lsp/document-sync.test.ts

@@ -8,10 +8,14 @@ import Server from '../../server/server.js';
 const noop = () => {};
 
 describe('Server documents syncing', () => {
-	let server: Omit<Server, 'lintDocument' | 'documents' | 'connection' | 'log'> & {
+	let server: Omit<
+		Server,
+		'lintDocument' | 'documents' | 'connection' | 'log' | 'getDocumentConfig'
+	> & {
 		lintDocument: Mock<Server['lintDocument']>;
 		log: Mock<Server['log']>;
 		documents: Map<string, TextDocument> & {all?: typeof Map.prototype.values};
+		getDocumentConfig: Mock<Server['getDocumentConfig']>;
 		connection: Omit<Connection, 'sendDiagnostics'> & {
 			sendDiagnostics: Mock<Connection['sendDiagnostics']>;
 		};
@@ -30,6 +34,7 @@ describe('Server documents syncing', () => {
 		server.documents = documents;
 		mock.method(server, 'log', noop);
 		mock.method(server, 'lintDocument', noop);
+		mock.method(server, 'getDocumentConfig', async () => ({enable: true}));
 		mock.method(server.connection, 'sendDiagnostics', noop);
 	});
 
@@ -53,6 +58,7 @@ describe('Server documents syncing', () => {
 				resolve(undefined);
 			});
 		});
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
 		assert.equal(server.lintDocument.mock.callCount(), 1);
 	});
 
@@ -92,4 +98,18 @@ describe('Server documents syncing', () => {
 			diagnostics: []
 		});
 	});
+
+	test('Server.handleDocumentOnDidChangeContent does not send diagnostics if xo is disabled', async (t) => {
+		mock.method(server, 'getDocumentConfig', async () => ({enable: false}));
+		server.handleDocumentsOnDidChangeContent({
+			document: TextDocument.create('uri', 'javascript', 1, 'content')
+		});
+		await new Promise((resolve) => {
+			server.queue.once('end', () => {
+				resolve(undefined);
+			});
+		});
+		assert.equal(server.getDocumentConfig.mock.callCount(), 1);
+		assert.equal(server.connection.sendDiagnostics.mock.callCount(), 0);
+	});
 });