pji-desktop/electron/processManager.js

import {exec, spawn} from 'child_process';

class ProcessManager {
  constructor() {
    this.processes = new Map(); // 存储所有子进程的引用
  }

  // 启动新的子进程
  startProcess(key, command, callback) {
    // 如果相同 key 的进程已经在运行，先终止它
    if (this.processes.has(key)) {
      this.killProcess(key);
    }

    // 启动新进程
    const child = exec(command, (error, stdout, stderr) => {
      if (callback) callback(error, stdout, stderr); // 执行回调

      // 执行完成后，清理存储的进程
      this.processes.delete(key);
    });

    // 存储进程引用
    this.processes.set(key, child);
  }

  // 终止指定 key 的子进程
  killProcess(key) {
    const child = this.processes.get(key);
    if (child) {
      child.kill();
      this.processes.delete(key);
    }
  }

  // 终止所有子进程
  killAll() {
    for (const [key, child] of this.processes.entries()) {
      child.kill();
      this.processes.delete(key);
    }
  }
}

export default ProcessManager;