Environment Variable Validator

const dotenv = require("dotenv");
const fs = require("fs");
 
// Change this line depending on the environment you want to check
const environmentSpecificPaths = [
  "./environments/.env.dev",
  "./environments/.env.staging",
  "./environments/.env.prod",
];
 
const environmentSpecificRequiredEnvVars = [
  // APP environment
  // Default: "dev"
  "APP_ENV",
];
 
const generalRequiredEnvVars = [
  // For API calls
  // Default: "phpreaction.com"
  "NEXT_PUBLIC_API_URL",
];
 
const secretRequiredEnvVars = [
  // APP secrets
  // Should be generated
  "APP_SECRET",
 
  // CSRF and JWT secrets
  // Should be generated
  "SECURITY_JWT_SECRET",
];
 
// === HELPERS ===
function parseEnvFile(filePath) {
  if (!fs.existsSync(filePath)) {
    console.warn(`⚠️ ${filePath} file not found.`);
    return null;
  }
 
  const content = fs.readFileSync(filePath, "utf-8");
  const parsed = dotenv.parse(content);
  return parsed;
}
 
function checkEnvVars(envVars, requiredKeys, sourceName) {
  const missing = [];
 
  requiredKeys.forEach((key) => {
    if (envVars[key]) {
      console.log(`✅ ${key} : ${envVars[key]}`);
    } else {
      console.warn(`❌ ${key}`);
      missing.push(key);
    }
  });
 
  if (missing.length > 0) {
    console.error(
      `\n⚠️ Missing variables in ${sourceName}: ${missing.join(", ")}`
    );
  }
}
 
// === MAIN FUNCTION ===
console.log("\n\nApp - Environment Variables Checker");
console.log("========================================");
// General vars check from process.env
console.log("\n🔍 Checking general environment variables (.env)");
checkEnvVars(process.env, generalRequiredEnvVars, "global process.env");
 
// Secrets vars check from process.env
console.log("\n\n🔍 Checking secrets environment variables (.env.local)");
console.warn(
  "🔐 Ensure that secrets are not commited to repositories!  They should be only in .env.local (The root one, not .env.environments/.env.local)"
);
const parsedLocalEnv = parseEnvFile(".env.local");
if (parsedLocalEnv) {
  checkEnvVars(parsedLocalEnv, secretRequiredEnvVars, ".env.local");
} else {
  console.warn("⚠️ Skipping .env.local due to parsing error.");
}
 
environmentSpecificPaths.forEach((path) => {
  console.log(`\n\n🔍 Checking specific environment (${path})`);
  const parsedEnv = parseEnvFile(path);
  if (parsedEnv) {
    checkEnvVars(parsedEnv, environmentSpecificRequiredEnvVars, path);
  } else {
    console.warn(`⚠️ Skipping ${path} due to parsing error.`);
  }
});
 
// Check env in bundles
const bundles = [
  "@phpcreation/frontend-auth-authorization-flow-react-nextjs-bundle",
  "@phpcreation/frontend-components-react-nextjs-bundle",
  "@phpcreation/frontend-config-react-nextjs-bundle",
  "@phpcreation/frontend-crud-react-nextjs-bundle",
  "@phpcreation/frontend-dynamodb-react-nextjs-bundle",
  "@phpcreation/frontend-icons-react-nextjs-bundle",
  "@phpcreation/frontend-status-react-nextjs-bundle.git",
  "@phpcreation/frontend-utils-react-nextjs-bundle",
];
 
console.log("---------------------------------");
console.log("\n\n🔍 Checking environment variables in bundles");
bundles.forEach((bundle) => {
  // Run the bundle's required-env.js script
  const bundlePath = `./node_modules/${bundle}/required-env.js`;
  if (fs.existsSync(bundlePath)) {
    try {
      if (bundlePath.includes("icons")) {
        import(
          "./node_modules/@phpcreation/frontend-icons-react-nextjs-bundle/required-env.js"
        );
      } else {
        require(bundlePath);
      }
    } catch (error) {
      console.error(`❌ Error running ${bundlePath}:`, error.message);
    }
  } else {
    console.warn(`⚠️ ${bundlePath} not found.`);
  }
  console.log("---------------------------------");
});

 node -r dotenv/config required-env.js