`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable

Get the PATH environment variable key cross-platform

✅ Vite plugin for validating your environment variables

The JavaScript Interface for Expo Modules

Capacitor Plugin that patches the safe area for older versions of Chromium

Simple key-value storage with support for multiple backends

dotenv... but with defaults!

Build once, deploy anywhere. Startup/runtime environment variable solution for JavaScript.

Arcjet runtime detection

Resolve and inject Neon connection strings for the branch selected by your neon.ts policy. fetchEnv / parseEnv plus a `neon-env` CLI with `run` and `export`.

`unenv` is a framework-agnostic system that allows converting JavaScript code to be platform agnostic and work in any environment including Browsers, Workers, Node.js, or JavaScript runtime.

Manage type-safe runtime environment variables in Next.js for both the server and the client.

A Babel preset that targets modern browsers by fixing engine bugs.

Expand environment variables using dotenv

Get paths for storing things like data, config, cache, etc

A runtime environment handler for create-react-apps

No-dependencies, low-level, high-performance JIT code generation package for JavaScript

Validation for your environment variables

detect possibly catastrophic, exponential-time regular expressions

Vite plugin to use varlock for .env file loading - adds validation, type-safety, and extra security features