is-program-installed
Check if a program is installed.
Installation
npm i is-program-installed
Usage
const isInstalled = require('is-program-installed')
isInstalled('ls') // => true
isInstalled('Slack.app') // => true
isInstalled('powershell.exe') // => true
isInstalled('valid-linux-app.desktop') // => true
isInstalled('something-that-does-not-exist') // => false