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10 Best JavaScript Environment Variables Libraries

List hand-picked by Openbase Experts
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dot

dotenv

Loads environment variables from .env for nodejs projects.

29.6M
16.5K
Built-in
BSD-2-Clause
env

envalid

Environment variable validation for Node.js

179K
1K
Built-in
MIT
ce

cross-env

🔀 Cross platform setting of environment scripts

5.2M
5.8K
No support
MIT
ec

env-cmd

Setting environment variables from a file

765K
1.5K
Built-in
MIT
dw

dotenv-webpack

A secure webpack plugin that supports dotenv and other environment variables and only exposes what you choose and use.

1.5M
1.2K
DefinitelyTyped
MIT
ds

dotenv-safe

Load environment variables from .env and ensure they are all present

138K
715
DefinitelyTyped
MIT
nco

nconf

Hierarchical node.js configuration with files, environment variables, command-line arguments, and atomic object merging.

633K
DefinitelyTyped
MIT
jest-environment-node

jest-environment-node

Delightful JavaScript Testing.

19.8M
41.2K
Built-in
MIT
de

dotenv-expand

Variable expansion for dotenv. Expand variables already on your machine for use in your .env file.

10.3M
737
Built-in
BSD-2-Clause
dotenv-vault

dotenv-vault

Sync .env files. ⚡️ From the same people that pioneered dotenv.

8.4K
429
Built-in
MIT
env

envify

🔧 Selectively replace Node-style environment variables with plain strings.

495K
892
DefinitelyTyped
MIT
ev

env-var

Verification, sanitization, and type coercion for environment variables in Node.js

138K
410
Built-in
MIT
nef

node-env-file

Parse and load environment files (containing ENV variable exports) into Node.js environment, i.e. `process.env`.

16.1K
119
No support
env2

env2

💻 Simple environment variable (from config file) loader for your node.js app

5.1K
100
No support
GPL-2.0
hc

heroku-config

[Utility] Push and pull heroku environment variables to your local env

285
235
No support
ISC
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