node-env-safe

🔐 Type-safe environment variable validation for Node.js
A minimal, zero-dependency utility to validate environment variables with clear errors.

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✨ Features

- Type-safe access to environment variables
- Fails fast on missing or invalid values
- Clean and readable error messages
- Zero dependencies
- ESM-first (Node.js 18+)
- Supports strings, numbers, booleans, and arrays

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📦 Installation

``bash
npm install node-env-safe
`

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🚀 Usage

`ts
import env from "node-env-safe";

const PORT = env.number("PORT");
const DEBUG = env.boolean("DEBUG");
const APP_NAME = env.string("APP_NAME");
`

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📦 Array Usage

`env
ALLOWED_IDS=["a","b","c"]
`

`ts
import env from "node-env-safe";

const ALLOWED_IDS = env.array("ALLOWED_IDS", "string");
`

Supported array types:

- string
- number
- boolean

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🛠 API

`ts
env.string(key)
env.number(key)
env.boolean(key)
env.array(key, type)
``

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📄 License

ISC © Faizkhan