class Component {
  _data = {
    name: "",
  };
  pending = false; // 开关
  constructor() {
    this.data = new Proxy(this._data, {
      set: (target, key, value) => {
        // 1. 设置值
        this._data[key] = value;
        // this.render();
        // 2. 判断是否开启
        if (!this.pending) {
          this.pending = true;
          Promise.resolve().then(() => {
            this.render();
            this.pending = false;
          });
        }
      },
    });
  }
  render() {
    console.log(`render - name: ${this.data.name}`);
  }
}

const com = new Component();
// 要求以下代码需要触发 render 方法，并且同步变更需要合并
com.data.name = "张三";
com.data.name = "李四";
com.data.name = "王五";

setTimeout(() => {
  com.data.name = "渡一";
}, 0);