rocket.chat.mqtt/node_modules/npm/lib/utils/is-windows-bash.js

It's a MQTT Server, using redis to scale horizontally.

'use strict'
var isWindows = require('./is-windows.js')
module.exports = isWindows &&
  (/^MINGW(32|64)$/.test(process.env.MSYSTEM) || process.env.TERM === 'cygwin')