tslib-cli/runner.js

maximum overkill for typescript and javascript library authors

const fs = require('fs')
const commandExists = require('command-exists').sync

const { run, error, warn, question, info, paths } = require('./utils')

const hasYarn = commandExists('yarn') && !fs.existsSync(paths.app('package-lock.json'))

let pkg

try {
  pkg = require(paths.app('package.json'))
} catch (e) {}

module.exports = {
  install: (deps, isDev = false) => {
    let command = hasYarn ? 'yarn' : 'npm install'
    if (deps) {
      let flags = ''
      if (isDev) {
        flags = hasYarn ? ' add --dev' : ' --save-dev'
      } else {
        flags = hasYarn ? ' add' : ''
      }
      command = command + flags + ' ' + deps
    }
    return command
  },
  publish: () => {
    if (hasYarn) {
      run('yarn publish')
    } else {
      info('Bumping version...')
      info(`Current version: ${pkg.version}`)
      const version = question('New version: ')
      run(`npm version ${version}`)
      try {
        run(`npm publish`)
      } catch (e) {
        error('Publish Failed !!', e)
        warn('Reverting tag v${version}')
        run(`git tag -d v${version}`)
        run('git reset HEAD~')
        process.exit(1)
      }
    }
  },
  script: script => {
    if (pkg && pkg.scripts && pkg.scripts[script]) return hasYarn ? `yarn ${script}` : `npm run ${script}`
    else {
      error(`command ${script} NOT FOUND (skipping...)`)
      return false
    }
  },
}