/**
 * Safely retrieves environment variables in both Vite (browser) and Node environments.
 * Prevents "ReferenceError: process is not defined" crashes in production builds.
 */
export const getEnvVar = (key: string): string => {
  // 1. Try Vite / Modern Browser approach (import.meta.env)
  try {
    // @ts-ignore
    if (typeof import.meta !== 'undefined' && import.meta.env && import.meta.env[key]) {
      // @ts-ignore
      return import.meta.env[key];
    }
  } catch (e) {
    // Ignore errors if import.meta is not supported
  }

  // 2. Try Node / Webpack / Polyfilled approach (process.env)
  try {
    if (typeof process !== 'undefined' && process.env && process.env[key]) {
      return process.env[key] || '';
    }
  } catch (e) {
    // Ignore errors if process is not defined
  }

  return '';
};