launcher/app/main/child_process.js

const { spawn } = require('child_process')
let pidMap = {}

function start(command, args) {
  const childProgress = spawn(command, args)
  pidMap[childProgress.pid] = childProgress
  return childProgress.pid
}

function kill(pid) {
  const childProgress = pidMap[pid]
  if (!childProgress || childProgress.killed) return;
  // TODO 需要测试是否能真正杀掉
  return childProgress.kill()
}

module.exports = {
  start,
  kill,
}