$ -weight: 500;">npm -weight: 500;">install ultraenv
bun add ultraenv
-weight: 500;">npm -weight: 500;">install ultraenv
bun add ultraenv
-weight: 500;">npm -weight: 500;">install ultraenv
bun add ultraenv
// Without ultraenv - crashes at runtime in production!
const db = new Database(process.env.DATABASE_URL); // Could be undefined!
// Without ultraenv - crashes at runtime in production!
const db = new Database(process.env.DATABASE_URL); // Could be undefined!
// Without ultraenv - crashes at runtime in production!
const db = new Database(process.env.DATABASE_URL); // Could be undefined!
import { defineEnv } from 'ultraenv'; const env = defineEnv({ DATABASE_URL: { type: 'string', required: true }, PORT: { type: 'number', default: 3000 }, NODE_ENV: { type: 'enum', values: ['development', 'production', 'test'] }, API_SECRET: { type: 'string', required: true, secret: true }
}); // All vars are fully typed and guaranteed!
const db = new Database(env.DATABASE_URL); // string!
const port = env.PORT; // number!
import { defineEnv } from 'ultraenv'; const env = defineEnv({ DATABASE_URL: { type: 'string', required: true }, PORT: { type: 'number', default: 3000 }, NODE_ENV: { type: 'enum', values: ['development', 'production', 'test'] }, API_SECRET: { type: 'string', required: true, secret: true }
}); // All vars are fully typed and guaranteed!
const db = new Database(env.DATABASE_URL); // string!
const port = env.PORT; // number!
import { defineEnv } from 'ultraenv'; const env = defineEnv({ DATABASE_URL: { type: 'string', required: true }, PORT: { type: 'number', default: 3000 }, NODE_ENV: { type: 'enum', values: ['development', 'production', 'test'] }, API_SECRET: { type: 'string', required: true, secret: true }
}); // All vars are fully typed and guaranteed!
const db = new Database(env.DATABASE_URL); // string!
const port = env.PORT; // number! - Startup validation with clear error messages
- Automatic type coercion (string to number/boolean)
- Secret masking in logs
- Zero dependencies
- Works with Node.js, Bun, Deno, Docker, Vercel
