yamcodes/arkenv

yamcodes/arkenv has 151 GitHub stars and 6 forks. Star changes are not measured yet. Last checked 2026-11-13 21:45 UTC. Last push 2026-11-13.

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What you can do

Zero runtime dependencies
Works in Node.js and all modern browsers
Tiny: under 3 kB core bundle (gzipped)
Use your existing TypeScript validator

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Acerca de

⛯ Typesafe environment variables with ArkType, Zod, or Valibot.

Herramientas de desarrollo

README.md

Original

ArkEnv

Typesafe environment variables with ArkType, Zod, or Valibot.

Docs • 𝕏 • StackBlitz

ArkEnv v1 is in RC. Read the release notes and migration guide.

Read the docs →

What is ArkEnv?

Define your environment variables with a schema. ArkEnv gives you a strongly typed, validated env object you can use everywhere.

ArkType

import arkenv from "@arkenv/core";

export const env = arkenv({
  DATABASE_URL: "string.url",
  PORT: "0 <= number.integer <= 65535 = 3000",
  CI: "boolean = false",
});

Zod

import arkenv from "@arkenv/standard";
import * as z from "zod";

export const env = arkenv({
  DATABASE_URL: z.url(),
  PORT: z.int().min(0).max(65535).default(3000),
  CI: z.boolean().default(false),
});

Valibot

import arkenv from "@arkenv/standard/valibot";
import * as v from "valibot";

export const env = arkenv({
  DATABASE_URL: v.pipe(v.string(), v.url()),
  PORT: v.optional(
    v.pipe(v.number(), v.integer(), v.minValue(0), v.maxValue(65535)),
    3000,
  ),
  CI: v.optional(v.boolean(), false),
});

ArkEnv	Instead of
Your existing TypeScript validator	A custom `.env.schema` DSL
`arkenv({ ... })`	A hand-rolled wrapper around Zod
One typed `env` object	Casting `process.env`