Utility Functions

/**
 * Generate different naming conventions from a base name
 * @param name - Base name to generate variations from
 * @returns Object with different naming conventions
 */
function names(name: string): {
  /** Original name */
  name: string;
  /** PascalCase class name */
  className: string;
  /** camelCase property name */
  propertyName: string;
  /** CONSTANT_CASE constant name */
  constantName: string;
  /** kebab-case file name */
  fileName: string;
};

import { names } from "@nx/devkit";

function createComponent(componentName: string) {
  const nameVariations = names(componentName);
  
  console.log(nameVariations);
  // Input: "user-profile"
  // Output: {
  //   name: "user-profile",
  //   className: "UserProfile", 
  //   propertyName: "userProfile",
  //   constantName: "USER_PROFILE",
  //   fileName: "user-profile"
  // }
  
  // Use in templates
  const templateVars = {
    ...nameVariations,
    // Template will use: <%= className %>, <%= propertyName %>, etc.
  };
}

/**
 * Calculate relative path from project directory to workspace root
 * @param fullPathToDir - Full path to directory
 * @returns Relative path string (e.g., "../.." or "../../..")
 */
function offsetFromRoot(fullPathToDir: string): string;

/**
 * Join path fragments in a cross-platform way
 * @param fragments - Path segments to join
 * @returns Joined path string
 */
function joinPathFragments(...fragments: string[]): string;

/**
 * Normalize path separators for current platform
 * @param osSpecificPath - Path with OS-specific separators
 * @returns Normalized path string
 */
function normalizePath(osSpecificPath: string): string;

/**
 * Workspace root directory path
 */
const workspaceRoot: string;

import { 
  offsetFromRoot, 
  joinPathFragments, 
  normalizePath, 
  workspaceRoot 
} from "@nx/devkit";

function generateProjectFiles(projectRoot: string) {
  // Calculate relative path to workspace root
  const rootOffset = offsetFromRoot(projectRoot);
  console.log(`From ${projectRoot} to root: ${rootOffset}`);
  // "libs/my-lib" → "../../"
  // "apps/my-app/src" → "../../../"
  
  // Join path fragments safely
  const configPath = joinPathFragments(projectRoot, "src", "config", "settings.json");
  console.log(`Config path: ${configPath}`);
  // "libs/my-lib/src/config/settings.json"
  
  // Normalize paths from different sources
  const windowsPath = "libs\\my-lib\\src\\index.ts";
  const normalizedPath = normalizePath(windowsPath);
  console.log(`Normalized: ${normalizedPath}`);
  // "libs/my-lib/src/index.ts"
  
  // Use workspace root for absolute paths
  const absoluteProjectPath = joinPathFragments(workspaceRoot, projectRoot);
  console.log(`Absolute project path: ${absoluteProjectPath}`);
}

/**
 * Apply a series of changes to a string
 * @param text - Original text
 * @param changes - Array of changes to apply
 * @returns Modified text with all changes applied
 */
function applyChangesToString(
  text: string, 
  changes: StringChange[]
): string;

/**
 * Remove leading indentation from template strings
 * @param strings - Template string parts
 * @param values - Template values
 * @returns String with consistent indentation removed
 */
function stripIndents(strings: TemplateStringsArray, ...values: any[]): string;

/**
 * String change operation
 */
type StringChange = StringInsertion | StringDeletion;

/**
 * Insert text at specific position
 */
interface StringInsertion {
  type: ChangeType.Insert;
  index: number;
  text: string;
}

/**
 * Delete text from specific range
 */
interface StringDeletion {
  type: ChangeType.Delete;
  start: number;
  length: number;
}

enum ChangeType {
  Insert = "insert",
  Delete = "delete"
}

import { 
  applyChangesToString, 
  stripIndents,
  ChangeType,
  StringChange 
} from "@nx/devkit";

function modifySourceCode() {
  const originalCode = `
    function hello() {
      console.log("Hello");
    }
  `;
  
  // Define changes to apply
  const changes: StringChange[] = [
    {
      type: ChangeType.Insert,
      index: originalCode.indexOf('"Hello"'),
      text: 'name: string, '
    },
    {
      type: ChangeType.Insert, 
      index: originalCode.indexOf('"Hello"') + 7,
      text: ', ${name}'
    }
  ];
  
  // Apply changes
  const modifiedCode = applyChangesToString(originalCode, changes);
  console.log(modifiedCode);
  
  // Use stripIndents for clean template strings
  const template = stripIndents`
    export class ${className} {
      constructor(private name: string) {}
      
      greet(): string {
        return \`Hello, \${this.name}!\`;
      }
    }
  `;
  
  console.log(template); // No leading indentation
}

/**
 * Parse JSON string with comment support and error handling
 * @param input - JSON string to parse
 * @param options - Parsing options
 * @returns Parsed object
 */
function parseJson<T = any>(input: string, options?: JsonParseOptions): T;

/**
 * Serialize object to JSON string with formatting
 * @param input - Object to serialize
 * @param options - Serialization options
 * @returns Formatted JSON string
 */
function serializeJson<T = any>(
  input: T, 
  options?: JsonSerializeOptions
): string;

/**
 * Remove comments from JSON string
 * @param text - JSON string with comments
 * @returns Clean JSON string
 */
function stripJsonComments(text: string): string;

/**
 * Read and parse JSON file from disk
 * @param path - File path
 * @returns Parsed JSON object
 */
function readJsonFile<T = any>(path: string): T;

/**
 * Write object to JSON file on disk
 * @param path - File path  
 * @param data - Object to write
 */
function writeJsonFile<T = any>(path: string, data: T): void;

interface JsonParseOptions {
  /** Allow trailing commas */
  allowTrailingComma?: boolean;
  /** Expect comments in JSON */
  expectComments?: boolean;
  /** Disable comments */
  disallowComments?: boolean;
}

interface JsonSerializeOptions {
  /** Number of spaces for indentation */
  spaces?: number;
  /** Replacer function for custom serialization */
  replacer?: (key: string, value: any) => any;
}

import { 
  parseJson, 
  serializeJson, 
  stripJsonComments,
  readJsonFile,
  writeJsonFile 
} from "@nx/devkit";

function processJsonFiles() {
  // Parse JSON with comments
  const jsonWithComments = `{
    // Project configuration
    "name": "my-project",
    /* Dependencies */
    "dependencies": {
      "react": "^18.0.0", // Latest React
    }
  }`;
  
  const parsed = parseJson(jsonWithComments, { expectComments: true });
  console.log(parsed);
  
  // Remove comments from JSON string
  const cleanJson = stripJsonComments(jsonWithComments);
  console.log("Clean JSON:", cleanJson);
  
  // Serialize with formatting
  const formatted = serializeJson(parsed, { spaces: 2 });
  console.log("Formatted:", formatted);
  
  // Read/write JSON files directly
  const packageJson = readJsonFile("package.json");
  packageJson.scripts = { ...packageJson.scripts, build: "nx build" };
  writeJsonFile("package.json", packageJson);
}

/**
 * Get workspace layout configuration including apps and libs directories
 * @param tree - File system tree
 * @returns Workspace layout configuration
 */
function getWorkspaceLayout(tree: Tree): {
  appsDir: string;
  libsDir: string;
  standaloneAsDefault: boolean;
};

/**
 * Extract layout directory information from a path
 * @param directory - Directory path to analyze
 * @returns Layout directory components
 */
function extractLayoutDirectory(directory?: string): {
  layoutDirectory: string | null;
  projectDirectory?: string;
};

/**
 * Default workspace layout configuration
 */
const workspaceLayout: {
  appsDir: string;
  libsDir: string;
};

import { 
  Tree,
  getWorkspaceLayout, 
  extractLayoutDirectory,
  workspaceLayout 
} from "@nx/devkit";

function organizeProject(tree: Tree, options: { 
  name: string; 
  directory?: string; 
  projectType: "application" | "library" 
}) {
  // Get current workspace layout
  const layout = getWorkspaceLayout(tree);
  console.log(`Apps directory: ${layout.appsDir}`);    // "apps"
  console.log(`Libs directory: ${layout.libsDir}`);    // "libs"
  
  // Parse directory option
  const { layoutDirectory, projectDirectory } = extractLayoutDirectory(options.directory);
  // Input: "ui/components" → { layoutDirectory: "ui", projectDirectory: "components" }
  
  // Determine final project path
  const baseDir = options.projectType === "application" 
    ? layout.appsDir 
    : layout.libsDir;
    
  let projectPath: string;
  if (layoutDirectory && projectDirectory) {
    projectPath = `${baseDir}/${layoutDirectory}/${projectDirectory}`;
  } else if (options.directory) {
    projectPath = `${baseDir}/${options.directory}`;
  } else {
    projectPath = `${baseDir}/${options.name}`;
  }
  
  console.log(`Final project path: ${projectPath}`);
  
  // Use default layout for fallback
  if (!layout.appsDir) {
    console.log(`Using default apps directory: ${workspaceLayout.appsDir}`);
  }
}

/**
 * Structured logger with different log levels
 */
const logger: {
  /** Debug level logging (hidden by default) */
  debug(message: string, ...args: any[]): void;
  /** Informational logging */
  info(message: string, ...args: any[]): void;
  /** Warning level logging */
  warn(message: string, ...args: any[]): void;
  /** Error level logging */
  error(message: string, ...args: any[]): void;
  /** Fatal error logging */
  fatal(message: string, ...args: any[]): void;
  /** Log without formatting */
  log(message: string, ...args: any[]): void;
};

/**
 * Formatted output utilities for console display
 */
const output: {
  /** Write formatted output */
  write(str: string): void;
  /** Write line with formatting */
  writeLine(str: string): void;
  /** Add vertical whitespace */
  addVerticalSeparator(): void;
  /** Add horizontal separator */
  addHorizontalSeparator(): void;
  /** Display success message */
  success(message: string): void;
  /** Display error message */
  error(message: string): void;
  /** Display warning message */
  warn(message: string): void;
  /** Display note/info message */
  note(message: string): void;
};

import { logger, output } from "@nx/devkit";

export default function myGenerator(tree: Tree, options: any) {
  // Use structured logging
  logger.info(`Generating ${options.name} project...`);
  logger.debug(`Options: ${JSON.stringify(options)}`);
  
  try {
    // Generate files...
    logger.info("Files generated successfully");
    
    // Use formatted output
    output.success(`✓ Created ${options.name} project`);
    output.addVerticalSeparator();
    output.note("Next steps:");
    output.writeLine("  1. Run nx build " + options.name);
    output.writeLine("  2. Run nx test " + options.name);
    
  } catch (error) {
    logger.error("Generation failed:", error.message);
    output.error(`✗ Failed to create ${options.name} project`);
    output.warn("Check the logs for more details");
    throw error;
  }
}

/**
 * Cache directory path
 */
const cacheDir: string;

/**
 * Check if Nx daemon is enabled and running
 * @returns Whether daemon is enabled
 */
function isDaemonEnabled(): boolean;

/**
 * Hash an array of values for cache key generation
 * @param values - Array of values to hash
 * @returns Hash string
 */
function hashArray(values: any[]): string;

import { cacheDir, isDaemonEnabled, hashArray } from "@nx/devkit";
import { existsSync, readFileSync } from "fs";
import { join } from "path";

function checkCacheStatus() {
  // Check cache directory
  console.log(`Cache directory: ${cacheDir}`);
  
  if (existsSync(cacheDir)) {
    console.log("Cache directory exists");
    
    // Check cache contents
    const lockFilePath = join(cacheDir, "d", "daemon.lock");
    if (existsSync(lockFilePath)) {
      console.log("Daemon lock file found");
    }
  }
  
  // Check if daemon is running
  const daemonEnabled = isDaemonEnabled();
  console.log(`Daemon enabled: ${daemonEnabled}`);
  
  if (daemonEnabled) {
    console.log("Using Nx daemon for better performance");
  } else {
    console.log("Running without daemon (slower but more reliable)");
  }
  
  // Generate cache keys using hash function
  const cacheInputs = ["src/**/*.ts", "package.json", process.env.NODE_ENV];
  const cacheKey = hashArray(cacheInputs);
  console.log(`Cache key: ${cacheKey}`);
}

/**
 * Convert Nx generator to Angular DevKit schematic
 * @param generator - Nx generator function
 * @param skipWritingConfigInOldFormat - Skip legacy config format
 * @returns Angular DevKit schematic
 */
function convertNxGenerator<T = any>(
  generator: Generator<T>,
  skipWritingConfigInOldFormat?: boolean
): any;

/**
 * Convert Nx executor to Angular DevKit builder
 * @param executor - Nx executor function
 * @returns Angular DevKit builder
 */
function convertNxExecutor(executor: Executor): any;

import { convertNxGenerator, convertNxExecutor, Generator, Executor } from "@nx/devkit";

// Convert Nx generator for use in Angular CLI
const myGenerator: Generator = (tree, options) => {
  // Nx generator implementation
};

const angularSchematic = convertNxGenerator(myGenerator);

// Convert Nx executor for use in Angular CLI  
const myExecutor: Executor = (options, context) => {
  // Nx executor implementation
  return Promise.resolve({ success: true });
};

const angularBuilder = convertNxExecutor(myExecutor);

// Export for Angular CLI collections
export { angularSchematic as mySchematic, angularBuilder as myBuilder };