is-program-installed:检查是否在类似Unix的系统上安装了程序

是程序安装的 检查是否安装了程序。 安装 npm i is-program-installed 用法 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