legal-markdown-js/dist/utils/esm-utils.js

Node.js implementation of LegalMarkdown for processing legal documents with markdown and YAML - Complete feature parity with Ruby version

/**
 * @fileoverview ESM utility functions for safe environment detection
 *
 * This module provides safe utilities for working with ESM modules without
 * using eval() or other potentially unsafe patterns.
 */
import { fileURLToPath } from 'url';
import * as path from 'path';
/**
 * Safely get the current directory name in both CommonJS and ESM environments
 * @param importMetaUrl - Optional import.meta.url for ESM environments
 * @returns Current directory path
 */
export function getCurrentDir(importMetaUrl) {
    // If we have import.meta.url passed explicitly, use it (safest)
    if (importMetaUrl) {
        try {
            const __filename = fileURLToPath(importMetaUrl);
            return path.dirname(__filename);
        }
        catch (e) {
            // Continue to other methods
        }
    }
    // Try CommonJS __dirname first
    try {
        if (typeof __dirname !== 'undefined') {
            return __dirname;
        }
    }
    catch (e) {
        // Not in CommonJS environment
    }
    // Skip ESM detection in TypeScript compilation for CommonJS
    // This will be handled at runtime if needed
    // Final fallback - use process.cwd()
    return process.cwd();
}
/**
 * Get the directory name from a file path
 * @param filePath - The file path to get directory from
 * @returns Directory path
 */
export function getDirFromPath(filePath) {
    return path.dirname(filePath);
}
/**
 * Check if we're running in an ESM environment
 * @returns True if ESM, false if CommonJS
 */
export function isESM() {
    // Simple heuristic: if __dirname is not available, we're likely in ESM
    try {
        return typeof require === 'undefined';
    }
    catch {
        return true;
    }
}
/**
 * Check if we're running in a CommonJS environment
 * @returns True if CommonJS, false if ESM
 */
export function isCommonJS() {
    try {
        return typeof __dirname !== 'undefined';
    }
    catch {
        return false;
    }
}
/**
 * Get module information safely
 * @param importMetaUrl - Optional import.meta.url
 * @returns Module information object
 */
export function getModuleInfo(importMetaUrl) {
    return {
        dir: getCurrentDir(importMetaUrl),
        isESM: isESM(),
        isCommonJS: isCommonJS(),
    };
}
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