index.js

const semver = require('semver')
const inquirer = require('inquirer')
const { execSync } = require('child_process')
// const curVersion = require('../package.json').version // get package version
let curVersion = '1.0.0'

const tagInit = () => {
  let msg = 'varsion init'
  execSync(
    `git tag -a 'v${curVersion}' -m 'curVersion v${curVersion} : ${msg}'`
  )
  execSync(`git push --tags`)
  curVersion = execSync(`git describe --abbrev=0 --tags`, {
    encoding: 'utf8'
  }).trim()
}
try {
  execSync(`git fetch --tags`)
  curVersion = execSync(`git tag | tail -1`, {
    // curVersion = execSync(`git describe --abbrev=0 --tags`, {
    encoding: 'utf8'
  }).trim()
} catch (error) {
  tagInit()
}

const release = async () => {
  console.log(`Current version: ${curVersion}`)

  const bumps = ['patch', 'minor', 'major', 'prerelease']
  const versions = {}
  bumps.forEach(b => {
    versions[b] = semver.inc(curVersion, b)
  })
  const bumpChoices = bumps.map(b => ({
    name: `${b} (${versions[b]})`,
    value: b
  }))

  const { bump, customVersion } = await inquirer.prompt([
    {
      name: 'bump',
      message: 'Select release type:',
      type: 'list',
      choices: [...bumpChoices, { name: 'custom', value: 'custom' }]
    },
    {
      name: 'customVersion',
      message: 'Input version:',
      type: 'input',
      when: answers => answers.bump === 'custom'
    }
  ])

  const version = customVersion || versions[bump]

  const { msg } = await inquirer.prompt([
    {
      name: 'msg',
      message: 'Input message:',
      type: 'input'
    }
  ])

  const { yes } = await inquirer.prompt([
    {
      name: 'yes',
      message: `Confirm releasing ${version}?`,
      type: 'confirm'
    }
  ])

  if (yes) {
    try {
      console.log('version', version)
      console.log('pushing tag', version)
      execSync(`git tag -a 'v${version}' -m 'version v${version} : ${msg}'`)
      execSync(`git push --tags`)
    } catch (e) {
      console.log(e)
    }
  }
}

release().catch(err => {
  console.error(err)
  process.exit(1)
})