inject-env
v0.7.3
Published
Inject environment variables to string
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inject-env
Inject environment variables to string
Installation
- npm
npm install inject-env
- yarn
yarn add inject-env
Usage
import injectEnv from 'inject-env'
const bashProfilePath = injectEnv('${HOME}/.bash_profile'); // /your/home/.bash_profile
const apiURL = injectEnv('${HTTP_PROXY}/api'); // http://proxy.url/api
// Without default value
injectEnv('${NODE_ENV}'); // undefined
// With default value
injectEnv('${NODE_ENV:-development}') // development
// With default value
injectEnv('${NODE_ENV-development}') // development if unset
// With substitution value
injectEnv('${NODE_ENV:+development}') // development if value set
// With substitution value
injectEnv('${NODE_ENV+development}') // development if set
// Does not work without '{' and '}' characters!
injectEnv('$NODE_ENV'); // $NODE_ENV
injectEnv(['${NODE_ENV}', '${PWD}']) // [undefined, '/your/pwd']
injectEnv({a: '${NODE_ENV}', b: '${PWD}'}) // {a: undefined, b: '/your/pwd'}