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npm · #530 most downloaded on npm
Runtime agnostic JS utils
Last release 5 days ago
29 Sep 2026
Release timing varies
gaps range from 2 weeks to 11 months
Some releases are documented
notes for 19 of 37 stable releases
2 versions withdrawn
withdrawn after publishing
9 years old
41 releases · first in 2018
agents: Detect GitHub Copilot agent and CLI ( #217 , #219 )
One column per quarter.
agents: Don't detect kiro IDE integrated terminal as an agent
providers: Detect edgeone-pages ci
See https://github.com/unjs/std-env/releases/tag/v4.0.0-rc.1
Check MODE variable for isDevelopment and isProduction flags
nodeEnv to undefined (c78098a)toBoolean util (23bfb8f)nodeEnv to undefined (c78098a)toBoolean util (23bfb8f)Detect DENO_DEPLOY for deno deploy EA
type: "module" to package.json (cb104d3)type: "module" to package.json (cb104d3)Detect cloudflare workers build ci
providers: Detect CODESANDBOX_HOST
CODESANDBOX_HOST (#154)providers: Detect firebase app hosting
Support railway provider detection
railway provider detection (#106)bun runtime before node (#107)isNode behavior (#108)isNode behavior (#108)isColorSupported: Inverted condition for TERM=dumb
TERM=dumb (#97)runtime export (#92)compare changes ### 🚀 Enhancements - Add aws_amplify provider (#91) ### ❤️ Contributors - Kaushik Gnanaskandan
aws_amplify provider (#91)aws_amplify provider (#91)Conditional check for process.versions?.bun
es6 compatibiliy for commonjs bundle
### 🩹 Fixes - Access process from globalThis (#73) ### ❤️ Contributors - Patrick Pircher
process from globalThis (#73)> This release includes several refactors. If you have encountered any issues, please report them.
note This release includes several refactors. If you have encountered any issues, please report them.
If you see an error like
Cannot use 'import.meta' outside a moduleupgrade to the latest version of jiti or renew your package manager's lock file andnode_modules(jiti release notes)
env (#61)VERCEL and VERCEL_ENV (#58)isColorSupported flag (b80677b)providerInfo (3c547d8)process (48b4fc0)process.versions (1ad71f6)import.meta.env and Deno.env (ceb04d5)nodeVersion and nodeMajorVersion (#60)process.versions.webcontainer (#63)env shim (#61)VERCEL and VERCEL_ENV (#58)isColorSupported flag (b80677b)process.versions (1ad71f6)import.meta.env and Deno.env (ceb04d5)nodeVersion and nodeMajorVersion (#60)process.versions.webcontainer (#63)process proxy for flags (0d7b84f)nodeENV from env proxy (89c0411)globalThis.Bun for check (ca852ac)process shim (c1c5a68)_process export (ce21499)EnvObject (058abc6)pkg: Add types field to the exports
types field to the exports (#51)process.env.NODE_ENV (#45)coverage dir (cd52a9e)Detect isTest from NODE_ENV as well
isTest from NODE_ENV as well (#39)Nothing published for this version
### Features - detect cleavr provider (#36) (c24c8ed) ### 3.2.1 (2022-08-12)
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### Features - detect stormkit environment (#21) (88874af) ### 3.0.1 (2021-11-05) ### Bug Fixes - set ci: false for unkown envs
Nothing published for this version
### Bug Fixes - provider name type (5681ed4) - type fix
Nothing published for this version
### ⚠ BREAKING CHANGES - v3 rewrite (#15) ### Features - v3 rewrite (#15) (7a3d4fb) ### 2.3.1 (2021-09-29)
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