Stop your app from booting with broken env vars: a type-safe, universal config library
typescript
dev.to
TL;DR — process.env.PORT is a string | undefined, your bundler silently inlines client env at build time, and every runtime exposes env differently. @teispace/env is a zero-dependency library that loads, validates, coerces, and types your environment once and works the same on Node, Bun, Deno, Cloudflare Workers, Next.js, NestJS, Vite, Nuxt, Astro, and SvelteKit. Bring Zod/Valibot/ArkType, or use the built-in coercers. npm i @teispace/env. import { defineEnv, e } from '@teispace/env'; expo