Environment Configuration Module (core/config-module.ts)

Custom environment file parser and configuration service for TypeScript applications. Reuse for robust app configuration management.

// Source: https://github.com/nitrocloudofficial/nitrostack | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
import 'reflect-metadata';
import * as fs from 'fs';
import * as path from 'path';

/**
 * Configuration Module Options
 */
export interface ConfigModuleOptions {
  /**
   * Path to .env file (relative to project root)
   */
  envFilePath?: string;
  
  /**
   * Whether to ignore .env file if it doesn't exist
   */
  ignoreEnvFile?: boolean;
  
  /**
   * Whether to validate environment variables
   */
  validate?: (config: Record<string, any>) => boolean;
  
  /**
   * Default values for environment variables
   */
  defaults?: Record<string, string>;
}

/**
 * Parse .env f

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