这里是npm插件，提供apis检查和请求权限，以捕捉屏幕上的macOS（引入10.15 Catalina ）
mac-screen-capture-permissions

这是新的解决方案

if (process.platform === "darwin") {
    try {
      // prompt for permissions on macOS
      const types = ["camera", "microphone", "screen"];
      let accessPerms = {};

      for (const type of types) {
        const status = systemPreferences.getMediaAccessStatus(type);
        accessPerms[type] = status;
      }
     } catch (e) {
      console.error(e);
    }
  }