env-loader.ts•1.03 kB
import { existsSync } from 'fs';
import { resolve } from 'path';
import { config } from 'dotenv';
/**
* Loads environment variables from .env file only if they're not already set.
* This allows the existing process.env mechanism to work in different environments
* (like production) while providing a fallback for local development.
*/
export function loadEnvIfNeeded(): void {
// Check if required env vars are already set
const hasClientId = !!process.env.X_CLIENT_ID;
const hasClientSecret = !!process.env.X_CLIENT_SECRET;
// If both are already set, no need to load .env
if (hasClientId && hasClientSecret) {
return;
}
// Try to find .env file in current directory or parent directories
const possiblePaths = [
resolve(process.cwd(), '.env'),
resolve(process.cwd(), '..', '.env'),
];
const envPath = possiblePaths.find(path => existsSync(path));
if (envPath) {
// Load .env file, but don't override existing env vars
config({ path: envPath, override: false });
}
}