env-var

Warning: This code is experimental. Use at your own risk.

Installation

If you install this package locally, you will be able to use the command env-var in your package.json scripts (as shown in the next section):

cd my-package/
npm install --save-dev @rauschma/env-var

How to use it

{
  "scripts": {
    "hi": "env-var echo {{npm_package_config_hi}}"
  },
  "config": {
    "hi": "HELLO"
  }
}

The following shell command works on all platforms (tested on macOS and Windows):

% npm run hi
HELLO

Tips

• Use npm run env to see which environment variables are available on your system.

Inspiration

Inspired by cross-var by Elijah Manor. Differences:

• A different syntax for interpolation.
• Interpolation is implemented differently.
• No dependencies.