social-reporting-tool/v2/server/lib/env.ts

import { readFileSync } from 'node:fs';
import { resolve, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

function loadDotenv(): Record<string, string> {
  const env: Record<string, string> = {};
  const candidates = [
    resolve(__dirname, '../../.env'),
    resolve(__dirname, '../../../.env'),
    resolve(process.cwd(), '.env'),
  ];
  for (const p of candidates) {
    try {
      const txt = readFileSync(p, 'utf-8');
      for (const raw of txt.split('\n')) {
        const t = raw.trim();
        if (!t || t.startsWith('#')) continue;
        const eq = t.indexOf('=');
        if (eq === -1) continue;
        env[t.slice(0, eq).trim()] = t.slice(eq + 1).trim().replace(/^["']|["']$/g, '');
      }
      break;
    } catch { /* try next */ }
  }
  return env;
}

const fileEnv = loadDotenv();

export function envStr(key: string, fallback = ''): string {
  return process.env[key] ?? fileEnv[key] ?? fallback;
}

export function envInt(key: string, fallback: number): number {
  const v = envStr(key);
  if (!v) return fallback;
  const n = parseInt(v, 10);
  return Number.isFinite(n) ? n : fallback;
}

export function envBool(key: string, fallback = false): boolean {
  const v = envStr(key).toLowerCase();
  if (!v) return fallback;
  return v === 'true' || v === '1' || v === 'yes';
}

export const IS_PRODUCTION = envStr('NODE_ENV') === 'production';