systemCheck.js

const { execSync } = require("child_process")
const os = require("os")
const env = require("../Environment").newEnvironment()

// moved 'minimum versions required' to environment file, this 
// centralizes them in one place & makes tests more robust

// Also removed semicolons

function systemCheck () {
  try {
    
    // Gather Installed Versions of Node, NPM and Git
    const npmVersionRaw = execSync( "npm -v",{ encoding: 'utf8', timeout: 30000 })
    const nodeVersionRaw = execSync( "node -v",{ encoding: 'utf8',timeout: 30000 })
    const gitVersionRaw = execSync( "git --version",{ encoding: 'utf8',timeout: 30000 })
    const npmVersion = npmVersionRaw.trim().split('.')
    const nodeVersion = nodeVersionRaw.trim().substring(1).split('.')
    const gitVersion = gitVersionRaw.trim().split(' ')[2].split('.')

    // Make sure update version of npm is installed
    if ( npmVersion[0] < env.NPM_NEEDED_VERSION ) {
      console.log('')
      console.log("ERROR: the version of npm you have installed is out of date. Please update your installation of npm and try again.")
      console.log('')
      process.exit()
    }
    
    // Make sure update version of node is installed 
    if ( nodeVersion[0] < env.NODE_NEEDED_VERSION ) {
      console.log('')
      console.log("ERROR: the version of node you have installed is out of date. Please update your installation of node and try again.")
      console.log('')
      process.exit()
    }

    // Make sure updated version of git is installed
    if ( gitVersion[0] < env.GIT_NEEDED_VERSION ) {
      console.log('')
      console.log("ERROR: the version of git you have installed is out of date. Please update your installation of git and try again.")
      console.log('')
      process.exit()
    }

    // Check windows system
    // console.log(os.platform())
    if (os.platform() === "win32") {

      // Verify C:\Windows\System32 is on the windows PATH
      const path = execSync( "echo %PATH%",{ encoding: 'utf8',timeout: 30000 })
      let check = path.includes('System32')
      if ( check === false ) {
        console.log('')
        console.log("ERROR: it appears C:\\Windows\\System32 is missing from your PATH.  Please add to your path and try again.")
        console.log('')
        process.exit()
      }

    }
  
  } catch (error) {
    console.log('')
    console.log("There was an error with your system: ")
    console.log('')
    console.log( error )
    return false
  }
  return true

}

module.exports = systemCheck