JSPM

Global identifiers from different JavaScript environments

Loads environment variables from .env file

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

Expand environment variables using dotenv

Use Custom Properties Queries in CSS

Correctly declare progressive enhancements for CSS Custom Properties.

Use env() variables in CSS

PostCSS plugin for Sass-like variables

Executes a command using the environment variables in an env file

A simple webpack plugin to support dotenv.

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

Loads environment variables from `.env.[development|test|production][.local]` files

Selectively replace Node-style environment variables with plain strings.

The modern CSS-in-JS library

Easily expose environment variables in Vite.js

The modern CSS-in-JS library

Environment variables exposed by CI tools

Get a list of function's argument variable names

Get the user's default shell

A stylelint rule to disallow usage of unknown custom properties

Parse dotenv files for Boolean, Array, and Number variable types, built for CrocodileJS

Resolving dynamic imports that contain variables.

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers

Use Sass-like variables, conditionals, and iterators in CSS

Typography, spacing, and color primitives for Primer design system

A secrets manager for .env files – from the same people that pioneered dotenv.

This package permit to have a centralized dotenv on a monorepo. It also includes some extra features such as manipulation and saving of changes to the dotenv file, a default centralized file, and a file loader with ordering and priorities.

Like shell substitution but for your JS.

A small tool to find unused Sass variables

Custom env is a library built to make development more feasible by allowing multiple .env configurations for different environments.

Unit/Integration tests for AWS Lambda handlers

PostCSS plugin to replace CSS variables with their static values

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Generates symbol-based SVG spritemap from all .svg files in a directory

Loads environment variables from .env file

Allows you to import local variables, functions and classes from other modules

🐊Putout plugin adds ability to find and remove useless variables

Wrapper executable to load env variables from .env and run Node

🐊Putout plugin adds ability to find and remove unused variables

🐊Putout plugin adds ability to find and remove unreferenced variables

Strongly-typed environment variables from .env & process.env

🐊Putout plugin adds ability to find and remove process.exit

Selectively replace Node-style environment variables with plain strings.

Generates symbol-based SVG spritemap from all .svg files in a directory

Prints all environment variables that start with given string

Sass variables, mixins, and functions for use in our components.

Extract structured variables from sass files. Fast and accurate.

Enforce usage of custom media queries in CSS

Interact with css custom properties dynamically in the Storybook UI

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A Netlify Build Plugin to inject environment variables in Netlify Functions during Netlify Builds.

A SASS vars loader for Webpack. Load global SASS vars from JS/JSON/Typescript files or from Webpack config.

Load environment variables dynamically for your React applications created with CRA (Create-React-App).

Typesafe environment variables parsing and validation with ArkType

A webpack plugin that allows you to securely use environment variables within your javascript web application, loading them using dotenv-flow's `.env*` files loading strategy.

Run NPM scripts in specific environments

Environment and context variables with runtime-configurable resolution

A configuration manager for isomorphic applications

Secure, Synchronized, Realtime, Cloud, Native JavaScript Variables & Events

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Serverless framework plugin for easily supporting AWS CloudFormation Sub function variables

babel plugin to inline replace variables

Load environment variables from .env files. Decode secret values from AWS Secrets Manager, Google Secret Manager, and other sources.

Remove any code from your project.

coffeelint plugin that handles variables and their scope

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🐊Putout plugin adds ability to find and remove useless

Add command substitution to dotenv

Webpack loader for sass-extract. Extract structured variables when importing sass files.

Get Sass variables as JSON object.

Selectively replace Node-style environment variables with plain strings.

Minimal YAML .env file loader

Create React App style dotenv support for Node projects.

Yaml Parser with additional functionality.

Define all environement variables for esbuild.

Track environment variable usage

Environment variable configuration for Node.js made easy.

Tailwind CSS plugin that exposes Tailwind colors as custom CSS properties

將環境變數值轉換為 JavaScript 類型值 (Convert env var value to JS type, support boolean conversion)

Environment Variable Loader

PostCSS plugin that converts variables into CSS

Webpack loader for scss-extract. Extract structured variables when importing sass files.

The modern CSS-in-JS library

Package to manage your environment variables and secrets

Adds fallbacks to your CSS var() functions

Extract structured variables from scss files. Fast and accurate.

Parse key-value pairs (like environment variables)

An extension for dotenv is to help converting environment variables to anything more useful than strings.

Resolves custom-marked, cross-referenced paths in parsed JSON

Helps to manage React Native XCode projects that use multiple schemes to manage things like environment variables.

Effortlessly generate Design Tokens (CSS custom properties) from JavaScript objects.

A nice little helper for retrieving configuration from environment variable

Autoload your environment variables from your `.env` file, no code changes required. Similar to `dotenv`, but with zero-dependencies and less verbose.

This is a two way to check dependencies in env file and from code which are not mapped in env. It is used as a cli tool

Extract CSS custom properties (a.k.a CSS variables) and their values from stylesheets.

Returns all environment variables with sensitive values hidden, great for logs

Babel plugin to remove unused variables and imports (Babel autofix for ESLint's no-unused-vars)

Use CSS Custom Properties with Sass

SecretOps workflow for bundling encrypted secrets into your deployments to safely decrypt at runtime.

Sass variables, mixins, and functions for use in our components.

A stylelint rule to disallow usage of unknown custom properties

The modern CSS-in-JS library

Source environment variables from a shell script into a Node.js process.

An environment variable reader for TypeScript

Substitutes environment variables in strings

Neon is a lightweight design library of Vue 3 components with minimal dependencies.

Inject variables in sass files

desublimate: Create configuration file from environment variables

Mock serverless variables in offline or localstack mode

Use your env variables in client side

Module that loads environment variables and verify their presence

Use dotenv with webpack.

dotenv with multiple dotenv file support

Substitute a function's parameters by the letters of any given word (isogram)

load environment variables from .env files

Use strongly typed environment variables like a boss

Loads environment variables from AWS Parameter Store

Loads environment variables from .env file (with override feature)

Simple parser to replace variables inside templates/strings and files for node js and browser.

A CLI tool to load environment variables from .env files with remote database support

A delightfully simple theme system for docsify.js. Features multiple themes with rich customization options, an improved desktop and mobile experience, and legacy browser support (IE11+).

PostCSS plugin to automatically import global dependencies

A CLI tool to load environment variables from .env files with remote database support

Use Sass-like variables, conditionals, and iterators in CSS

webpack plugin to inline all environment variables

ArkEnv plugin for Vite

Zero-dependency library for loading .env files. Supports default values and type definitions.

A Serverless Framework plugin used to build front end applications

PostCSS plugin to recommend closest colors from your palette set as variables

Save and share variables between tests

CSS spec style variables for Rework

Single source of truth for Fondue Design Tokens

A CSS preprocessor that acts like a polyfill for future versions of the spec.

Opinionated config library that allows you to have complex config and behaves according to Twelve Factor App rules

An environment variable reader for TypeScript

 [](https://www.npmjs.com/package/theme-custom-properties) [![](https://img.shields.io/github/lic

Type safe control over environment variables in typescript

Resolve AWS variables in Serverless when you don't want to actually make a call to AWS

Small library for managing environment variables

dotenv to json

Load multiple environment variables using dotenv

URLVariables class for TypeScript

ESM version of the popular dotenv npm package

Generate a `.env` file using the environment variables defined in `.env.dist` as a template.

Cross-platform environment variable substitution for shell commands.

Environment variables substitution for Node

Make all properties of a class configurable using only one decorator!

Encrypted environment variable management for teams

A collection of design tokens for consumption across projects and products

Secret handler for Node.js 🗝️

Design tokens for Protocol, Mozilla’s design system

A work in progress postcss module for picking items from a 'varible list'.

Require certain environmental variables

Vue.js plugin that allows you to disable reactivity for variables in Vue components

Environment variable loader

Git for env vars — sync environment variables across teams securely

Securely manage environment variables with E2EE (Go implementation wrapper)

Facilitate environment management in node applications

Run commands based on user input, dynamically generating environment variables, arguments, flags

CSS variables, styles, and themes for the New York State Design System

This module helps you manage environment variables in your Rollup/Webpack bundled app. Examples are of Svelte and Sapper app

Decrypt .env.vault file

Loads and saves environment variables from .env file

Export custom media queries, custom properties, custom property sets, and custom selectors from CSS as JavaScript variables

A collection of tools for Juno's plugins

Stylish environment-aware console logging for browser applications

This allows you to automatically map environment variables typed into your application.

Set Env var in Capacitor config and read them at runtime

CSS Variables polyfill

verify that environment variables exist before doing something

A Vite plugin for Juno

It's dotenv, but by default overrides system environment variables

A dependency-free utility that prompts you for your project's environment variables.

vite js plugin to use variables in html files

Load environment variables from Azure's services App Configuration, Key Vault or a .env file

Availity-specific way to determine variables based on the current environment the code is running in

PostCSS plugin enabling variable mapping for @each

Executes a command using the environment variables in an env file

The apt way to handle env

Parse SASS variables file into a plain object of CSS key-value pairs

CSS theme variables for the L.U.N.A project

Control Figma Desktop with Claude Code. Smart read, write, and AI-prompt export. No API key required.

convert a less variables file into a json object to make use of it in your application

Resolving dynamic imports that contain variables.

Include REACT_APP_ environment variables at runtime in your react app.

Strongly Typed DotENV - Environment Variables

replace tokens in files

Add varible to LESS file before compiling.

A simple package to expose environment variables to NPM script commands

Pedant preset for eslint

Loads environment variables from .env file

Create a type-safe proxy for accessing environment variables

Format uri with variables. It can run both in Node.js runtime and browsers.

A webpack (typescript ready) plugin to define global variables on outputted bundles

Inject global CSS variables into your files via PostCSS

Loads environment variables from .env file as Symfony

Push .env variables to GitHub Secrets & Variables

Flexible, Docker-friendly, Dotenv-based Configuration Module for NestJs

A stylelint rule to disallow usage of unknown custom properties

Object containing the user environment.

Reusable CSS foundations, components, and utilities extracted from krudi-io for sharing across projects.

Bulletproof environment variable validation with perfect TypeScript inference, beautiful errors, and zero dependencies.

Exports variables from Sass/Scss-files for usage in node.js

Detect unused environment variables by comparing process.env with envalid's cleanEnv result

Convert environment vars to convenient nested object.

`cross-ci` standardizes environment variables for CI. For example, your can simply use `BUILD_BRANCH` variable in all CI runners instead of `CIRCLE_BRANCH` in CircleCI or `TRAVIS_PULL_REQUEST_BRANCH` in Travis.

Sass config pack

A lightweight functional library to extract and replace variables in Word (.docx) files

Extract variables from handlebars

Cross platform environment variables in npm scripts

Configurable theme switching service for use with CSS variables

Run any command with package.json properties exposed as environment variables

Loads environment variables and fails fast if they don't exist.

This plugin allows to create and use scoped CSS variables for colors and spacings in your Tailwind CSS project.

A lightweight utility to check the presence and validity of environment variables, as specified by a Zod schema

Use Sass-like markup and staged CSS features in CSS

String interpolation with correct return type based on passed variable substitutions

Loading byte sized ENVs made simple.

Store your environment variables in git – encrypted.

A lightweight bulk CSS variable utility with automatic prefix handling. Without the need to re-render components.

modular config with type casting and validation out of the box

The Ultimate Environment Variable Manager — Validate, Type, Encrypt, Sync, and Never Ship Broken Configs Again

Loads environment variables from yaml files for node.js projects

CLI tool to load secrets from infisical or from backup .env before running any command.

Implementation of PHP's var_dump function for JavaScript.

Node based compiler for .kit files.

Facilitate environment management in node applications

Envpilot CLI — sync and manage environment variables from the terminal

Parcel plugin that injects env varaibles into a file

Use Custom Properties Queries in CSS

CSS theme variables for the L.U.N.A project

Framework-agnostic utilities for Portable Text variable interpolation

Tools to validate, generate, and update env files

Convert SASS variables to JS or TS

Stylelint plugin for managing colors. Includes Less and Sass support.

DotEnv Variable Loader plugin for UTCP

Adds support for CSS custom properties (variables) to components.

A gulp plugin for loading environment variables and replacing them in the contents of files.

Cross-platform CLI tool to manage environment variables. View, set, delete, export, import with interactive UI.

The modern CSS-in-JS library

PostCSS plugin to import variables from JSON file

KARTE SDK Variables for React Native.

PostCSS plugin to process imported constants from a file.

Auto-detect and validate environment variables by scanning your codebase. Zero config, zero schema, zero dependencies.

Load environment variables in a monorepo

@import less variables from sass

package for environment variables

Disallows one-time variables

Checks env. variable size of packaged Serverless env. variables. Designed for CI/CD

A lightweight package to enforce constraints on environment variables in JavaScript, ensuring required variables are defined and match expected types.