#!/usr/bin/env node
'use strict'

/**
 * Node Child Processes - https://tinyurl.com/qlf6nrx
 */

import {spawn} from 'child_process'
const script = process.argv[2]
const args = process.argv.slice(3)

switch (script) {
  case 'build-microbundle':
  case 'build-microbundle-watch':
    const child = spawn('node', [require.resolve('../scripts/' + script)].concat(args), {stdio: 'inherit', shell: true})

    child.on('exit', (code: number, signal: string) => {
      if (signal) {
        if (signal === 'SIGKILL') {
          console.log(
            'The build failed because the process exited too early. ' +
              'This probably means the system ran out of memory or someone called ' +
              '`kill -9` on the process.'
          )
        } else if (signal === 'SIGTERM') {
          console.log(
            'The build failed because the process exited too early. ' +
              'Someone might have called `kill` or `killall`, or the system could ' +
              'be shutting down.'
          )
          process.exit(1)
        }
      } else {
        console.log('child process exited with ' + `code ${code} and signal ${signal}`)
        process.exit(code || undefined)
      }
    })

    child.on('error', (err: Error) => {
      console.error(err)
      process.exit(1)
    })
    break
  default:
    console.log('Unknown script "' + script + '".')
    break
}