README
varsubst
Simple library to substitute variables into strings
Install
Install with npm:
$ npm install varsubst
Usage
The API is simple
const varsubst = require('varsubst')
varsubst('hello $var', { var: 'world' }) // hello world
varsubst('inThe${var}OfText', { var: 'Middle' }) // inTheMiddleOfText
varsubst('using ${var:-default}', {}) // using default
varsubst('using ${none:-$var} vars', {var: 'nested'}) // using nested vars
varsubst('${USER} is substituting env', process.env) // <user> is substituting env