feat: Add Cursor IDE custom slash commands support (#1215)

.changeset/cursor-slash-commands.md

@@ -0,0 +1,7 @@
+---
+"task-master-ai": minor
+---
+
+Add Cursor IDE custom slash command support
+
+Expose Task Master commands as Cursor slash commands by copying assets/claude/commands to .cursor/commands on profile add and cleaning up on remove.

src/profiles/cursor.js

@@ -1,5 +1,134 @@
 // Cursor conversion profile for rule-transformer
-import { createProfile, COMMON_TOOL_MAPPINGS } from './base-profile.js';
+import path from 'path';
+import fs from 'fs';
+import { log } from '../../scripts/modules/utils.js';
+import { createProfile } from './base-profile.js';
+
+// Helper copy; use cpSync when available, fallback to manual recursion
+function copyRecursiveSync(src, dest) {
+	if (fs.cpSync) {
+		try {
+			fs.cpSync(src, dest, { recursive: true, force: true });
+			return;
+		} catch (err) {
+			throw new Error(`Failed to copy ${src} to ${dest}: ${err.message}`);
+		}
+	}
+	const exists = fs.existsSync(src);
+	let stats = null;
+	let isDirectory = false;
+
+	if (exists) {
+		try {
+			stats = fs.statSync(src);
+			isDirectory = stats.isDirectory();
+		} catch (err) {
+			// Handle TOCTOU race condition - treat as non-existent/not-a-directory
+			isDirectory = false;
+		}
+	}
+
+	if (isDirectory) {
+		try {
+			if (!fs.existsSync(dest)) fs.mkdirSync(dest, { recursive: true });
+			for (const child of fs.readdirSync(src)) {
+				copyRecursiveSync(path.join(src, child), path.join(dest, child));
+			}
+		} catch (err) {
+			throw new Error(
+				`Failed to copy directory ${src} to ${dest}: ${err.message}`
+			);
+		}
+	} else {
+		try {
+			// ensure parent exists for file copies
+			fs.mkdirSync(path.dirname(dest), { recursive: true });
+			fs.copyFileSync(src, dest);
+		} catch (err) {
+			throw new Error(`Failed to copy file ${src} to ${dest}: ${err.message}`);
+		}
+	}
+}
+
+// Helper function to recursively remove directory
+function removeDirectoryRecursive(dirPath) {
+	if (fs.existsSync(dirPath)) {
+		try {
+			fs.rmSync(dirPath, { recursive: true, force: true });
+			return true;
+		} catch (err) {
+			log('error', `Failed to remove directory ${dirPath}: ${err.message}`);
+			return false;
+		}
+	}
+	return true;
+}
+
+// Resolve the Cursor profile directory from either project root, profile root, or rules dir
+function resolveCursorProfileDir(baseDir) {
+	const base = path.basename(baseDir);
+	// If called with .../.cursor/rules -> return .../.cursor
+	if (base === 'rules' && path.basename(path.dirname(baseDir)) === '.cursor') {
+		return path.dirname(baseDir);
+	}
+	// If called with .../.cursor -> return as-is
+	if (base === '.cursor') return baseDir;
+	// Otherwise assume project root and append .cursor
+	return path.join(baseDir, '.cursor');
+}
+
+// Lifecycle functions for Cursor profile
+function onAddRulesProfile(targetDir, assetsDir) {
+	// Copy commands directory recursively
+	const commandsSourceDir = path.join(assetsDir, 'claude', 'commands');
+	const profileDir = resolveCursorProfileDir(targetDir);
+	const commandsDestDir = path.join(profileDir, 'commands');
+
+	if (!fs.existsSync(commandsSourceDir)) {
+		log(
+			'warn',
+			`[Cursor] Source commands directory does not exist: ${commandsSourceDir}`
+		);
+		return;
+	}
+
+	try {
+		// Ensure fresh state to avoid stale command files
+		try {
+			fs.rmSync(commandsDestDir, { recursive: true, force: true });
+			log(
+				'debug',
+				`[Cursor] Removed existing commands directory: ${commandsDestDir}`
+			);
+		} catch (deleteErr) {
+			// Directory might not exist, which is fine
+			log(
+				'debug',
+				`[Cursor] Commands directory did not exist or could not be removed: ${deleteErr.message}`
+			);
+		}
+
+		copyRecursiveSync(commandsSourceDir, commandsDestDir);
+		log('debug', `[Cursor] Copied commands directory to ${commandsDestDir}`);
+	} catch (err) {
+		log(
+			'error',
+			`[Cursor] An error occurred during commands copy: ${err.message}`
+		);
+	}
+}
+
+function onRemoveRulesProfile(targetDir) {
+	// Remove .cursor/commands directory recursively
+	const profileDir = resolveCursorProfileDir(targetDir);
+	const commandsDir = path.join(profileDir, 'commands');
+	if (removeDirectoryRecursive(commandsDir)) {
+		log(
+			'debug',
+			`[Cursor] Ensured commands directory removed at ${commandsDir}`
+		);
+	}
+}
 
 // Create and export cursor profile using the base factory
 export const cursorProfile = createProfile({
@@ -8,5 +137,10 @@ export const cursorProfile = createProfile({
 	url: 'cursor.so',
 	docsUrl: 'docs.cursor.com',
 	targetExtension: '.mdc', // Cursor keeps .mdc extension
-	supportsRulesSubdirectories: true
+	supportsRulesSubdirectories: true,
+	onAdd: onAddRulesProfile,
+	onRemove: onRemoveRulesProfile
 });
+
+// Export lifecycle functions separately to avoid naming conflicts
+export { onAddRulesProfile, onRemoveRulesProfile };

src/utils/rule-transformer.js

@@ -210,7 +210,7 @@ export function convertAllRulesToProfileRules(projectRoot, profile) {
 	if (typeof profile.onAddRulesProfile === 'function') {
 		try {
 			const assetsDir = getAssetsDir();
-			profile.onAddRulesProfile(projectRoot, assetsDir);
+			profile.onAddRulesProfile(targetDir, assetsDir);
 			log(
 				'debug',
 				`[Rule Transformer] Called onAddRulesProfile for ${profile.profileName}`
@@ -305,7 +305,7 @@ export function convertAllRulesToProfileRules(projectRoot, profile) {
 	if (typeof profile.onPostConvertRulesProfile === 'function') {
 		try {
 			const assetsDir = getAssetsDir();
-			profile.onPostConvertRulesProfile(projectRoot, assetsDir);
+			profile.onPostConvertRulesProfile(targetDir, assetsDir);
 			log(
 				'debug',
 				`[Rule Transformer] Called onPostConvertRulesProfile for ${profile.profileName}`
@@ -347,7 +347,7 @@ export function removeProfileRules(projectRoot, profile) {
 		// 1. Call onRemoveRulesProfile first (for custom cleanup like removing assets)
 		if (typeof profile.onRemoveRulesProfile === 'function') {
 			try {
-				profile.onRemoveRulesProfile(projectRoot);
+				profile.onRemoveRulesProfile(targetDir);
 				log(
 					'debug',
 					`[Rule Transformer] Called onRemoveRulesProfile for ${profile.profileName}`

tests/integration/profiles/cursor-init-functionality.test.js

@@ -54,4 +54,33 @@ describe('Cursor Profile Initialization Functionality', () => {
 		);
 		expect(cursorProfile.conversionConfig.toolNames.search).toBe('search');
 	});
+
+	test('cursor.js has lifecycle functions for command copying', () => {
+		// Check that the source file contains our new lifecycle functions
+		expect(cursorProfileContent).toContain('function onAddRulesProfile');
+		expect(cursorProfileContent).toContain('function onRemoveRulesProfile');
+		expect(cursorProfileContent).toContain('copyRecursiveSync');
+		expect(cursorProfileContent).toContain('removeDirectoryRecursive');
+	});
+
+	test('cursor.js copies commands from claude/commands to .cursor/commands', () => {
+		// Check that the onAddRulesProfile function copies from the correct source
+		expect(cursorProfileContent).toContain(
+			"path.join(assetsDir, 'claude', 'commands')"
+		);
+		// Destination path is built via a resolver to handle both project root and rules dir
+		expect(cursorProfileContent).toContain('resolveCursorProfileDir(');
+		expect(cursorProfileContent).toMatch(
+			/path\.join\(\s*profileDir\s*,\s*['"]commands['"]\s*\)/
+		);
+		expect(cursorProfileContent).toContain(
+			'copyRecursiveSync(commandsSourceDir, commandsDestDir)'
+		);
+
+		// Check that lifecycle functions are properly registered with the profile
+		expect(cursorProfile.onAddRulesProfile).toBeDefined();
+		expect(cursorProfile.onRemoveRulesProfile).toBeDefined();
+		expect(typeof cursorProfile.onAddRulesProfile).toBe('function');
+		expect(typeof cursorProfile.onRemoveRulesProfile).toBe('function');
+	});
 });

tests/unit/profiles/cursor-integration.test.js

@@ -8,18 +8,37 @@ jest.mock('child_process', () => ({
 	execSync: jest.fn()
 }));
 
-// Mock console methods
+// Mock console methods to avoid chalk issues
-jest.mock('console', () => ({
+const mockLog = jest.fn();
+const originalConsole = global.console;
+const mockConsole = {
 	log: jest.fn(),
 	info: jest.fn(),
 	warn: jest.fn(),
 	error: jest.fn(),
 	clear: jest.fn()
+};
+global.console = mockConsole;
+
+// Mock utils logger to avoid chalk dependency issues
+await jest.unstable_mockModule('../../../scripts/modules/utils.js', () => ({
+	default: undefined,
+	log: mockLog,
+	isSilentMode: () => false
 }));
 
+// Import the cursor profile after mocking
+const { cursorProfile, onAddRulesProfile, onRemoveRulesProfile } = await import(
+	'../../../src/profiles/cursor.js'
+);
+
 describe('Cursor Integration', () => {
 	let tempDir;
 
+	afterAll(() => {
+		global.console = originalConsole;
+	});
+
 	beforeEach(() => {
 		jest.clearAllMocks();
 
@@ -75,4 +94,127 @@ describe('Cursor Integration', () => {
 			{ recursive: true }
 		);
 	});
+
+	test('cursor profile has lifecycle functions for command copying', () => {
+		// Assert that the profile exports the lifecycle functions
+		expect(typeof onAddRulesProfile).toBe('function');
+		expect(typeof onRemoveRulesProfile).toBe('function');
+		expect(cursorProfile.onAddRulesProfile).toBe(onAddRulesProfile);
+		expect(cursorProfile.onRemoveRulesProfile).toBe(onRemoveRulesProfile);
+	});
+
+	describe('command copying lifecycle', () => {
+		let mockAssetsDir;
+		let mockTargetDir;
+
+		beforeEach(() => {
+			mockAssetsDir = path.join(tempDir, 'assets');
+			mockTargetDir = path.join(tempDir, 'target');
+
+			// Reset all mocks
+			jest.clearAllMocks();
+
+			// Mock fs methods for the lifecycle functions
+			jest.spyOn(fs, 'existsSync').mockImplementation((filePath) => {
+				const pathStr = filePath.toString();
+				if (pathStr.includes('claude/commands')) {
+					return true; // Mock that source commands exist
+				}
+				return false;
+			});
+
+			jest.spyOn(fs, 'mkdirSync').mockImplementation(() => {});
+			jest.spyOn(fs, 'readdirSync').mockImplementation(() => ['tm']);
+			jest
+				.spyOn(fs, 'statSync')
+				.mockImplementation(() => ({ isDirectory: () => true }));
+			jest.spyOn(fs, 'copyFileSync').mockImplementation(() => {});
+			jest.spyOn(fs, 'rmSync').mockImplementation(() => {});
+		});
+
+		afterEach(() => {
+			jest.restoreAllMocks();
+		});
+
+		test('onAddRulesProfile copies commands from assets to .cursor/commands', () => {
+			// Detect if cpSync exists and set up appropriate spy
+			if (fs.cpSync) {
+				const cpSpy = jest.spyOn(fs, 'cpSync').mockImplementation(() => {});
+
+				// Act
+				onAddRulesProfile(mockTargetDir, mockAssetsDir);
+
+				// Assert
+				expect(fs.existsSync).toHaveBeenCalledWith(
+					path.join(mockAssetsDir, 'claude', 'commands')
+				);
+				expect(cpSpy).toHaveBeenCalledWith(
+					path.join(mockAssetsDir, 'claude', 'commands'),
+					path.join(mockTargetDir, '.cursor', 'commands'),
+					expect.objectContaining({ recursive: true, force: true })
+				);
+			} else {
+				// Act
+				onAddRulesProfile(mockTargetDir, mockAssetsDir);
+
+				// Assert
+				expect(fs.existsSync).toHaveBeenCalledWith(
+					path.join(mockAssetsDir, 'claude', 'commands')
+				);
+				expect(fs.mkdirSync).toHaveBeenCalledWith(
+					path.join(mockTargetDir, '.cursor', 'commands'),
+					{ recursive: true }
+				);
+				expect(fs.copyFileSync).toHaveBeenCalled();
+			}
+		});
+
+		test('onAddRulesProfile handles missing source directory gracefully', () => {
+			// Arrange - mock source directory not existing
+			jest.spyOn(fs, 'existsSync').mockImplementation(() => false);
+
+			// Act
+			onAddRulesProfile(mockTargetDir, mockAssetsDir);
+
+			// Assert - should not attempt to copy anything
+			expect(fs.mkdirSync).not.toHaveBeenCalled();
+			expect(fs.copyFileSync).not.toHaveBeenCalled();
+		});
+
+		test('onRemoveRulesProfile removes .cursor/commands directory', () => {
+			// Arrange - mock directory exists
+			jest.spyOn(fs, 'existsSync').mockImplementation(() => true);
+
+			// Act
+			onRemoveRulesProfile(mockTargetDir);
+
+			// Assert
+			expect(fs.rmSync).toHaveBeenCalledWith(
+				path.join(mockTargetDir, '.cursor', 'commands'),
+				{ recursive: true, force: true }
+			);
+		});
+
+		test('onRemoveRulesProfile handles missing directory gracefully', () => {
+			// Arrange - mock directory doesn't exist
+			jest.spyOn(fs, 'existsSync').mockImplementation(() => false);
+
+			// Act
+			onRemoveRulesProfile(mockTargetDir);
+
+			// Assert - should still return true but not attempt removal
+			expect(fs.rmSync).not.toHaveBeenCalled();
+		});
+
+		test('onRemoveRulesProfile handles removal errors gracefully', () => {
+			// Arrange - mock directory exists but removal fails
+			jest.spyOn(fs, 'existsSync').mockImplementation(() => true);
+			jest.spyOn(fs, 'rmSync').mockImplementation(() => {
+				throw new Error('Permission denied');
+			});
+
+			// Act & Assert - should not throw
+			expect(() => onRemoveRulesProfile(mockTargetDir)).not.toThrow();
+		});
+	});
 });