add confirmation if removing ALL rules profiles, and add --force flag on rules remove

src/utils/rules-detection.js

@@ -0,0 +1,48 @@
+/**
+ * Rules Detection Utility
+ * Helper functions to detect existing rules profiles in a project
+ */
+import fs from 'fs';
+import path from 'path';
+import { RULES_PROFILES } from '../constants/profiles.js';
+import { getRulesProfile } from './rule-transformer.js';
+
+/**
+ * Detect which rules profiles are currently installed in the project
+ * @param {string} projectRoot - Project root directory
+ * @returns {string[]} Array of installed profile names
+ */
+export function getInstalledRulesProfiles(projectRoot) {
+	const installedProfiles = [];
+
+	for (const profileName of RULES_PROFILES) {
+		const profileConfig = getRulesProfile(profileName);
+		if (!profileConfig) continue;
+
+		// Check if the profile directory exists
+		const profileDir = path.join(projectRoot, profileConfig.profileDir);
+		const rulesDir = path.join(projectRoot, profileConfig.rulesDir);
+
+		// A profile is considered installed if either the profile dir or rules dir exists
+		if (fs.existsSync(profileDir) || fs.existsSync(rulesDir)) {
+			installedProfiles.push(profileName);
+		}
+	}
+
+	return installedProfiles;
+}
+
+/**
+ * Check if removing the specified profiles would result in no rules profiles remaining
+ * @param {string} projectRoot - Project root directory
+ * @param {string[]} profilesToRemove - Array of profile names to remove
+ * @returns {boolean} True if removal would result in no profiles remaining
+ */
+export function wouldRemovalLeaveNoProfiles(projectRoot, profilesToRemove) {
+	const installedProfiles = getInstalledRulesProfiles(projectRoot);
+	const remainingProfiles = installedProfiles.filter(
+		(profile) => !profilesToRemove.includes(profile)
+	);
+
+	return remainingProfiles.length === 0 && installedProfiles.length > 0;
+}