text: const shell = require('shelljs')
  
  const cmdArguments = process.argv.slice(2)
  const semverType = cmdArguments[0]
  
  if (!semverType || !semverType.match(/^(major|minor|patch)$/)) {
     console.log(`Usage: major|minor|patch`)
     process.exit(1)
  }
  
  execCommand(`npm version ${semverType}`)
  execCommand(`npm run build`)
  execCommand(`npm run test`)
  execCommand(`git push`)
  execCommand(`git push --tags`)
  execCommand(`npm publish`)
  
  function execCommand(command) {
     const result = shell.exec(command)
     if (!!result.code) {
        console.log(result.stdout)
        process.exit(1)
     }
  }
  