ant-design-pro，高级表单TableForm.js中点击触发的toggleEditable函数，是怎么把 editable: true 添加到 newData 中的。求帮忙解释const newData = data.map(item => ({ ...item }));

     toggleEditable = (e, key) => {
        e.preventDefault();
        const { data } = this.state;
        const newData = data.map(item => ({ ...item }));
        const target = this.getRowByKey(key, newData);
        if (target) {
          // 进入编辑状态时保存原始数据
          if (!target.editable) {
            this.cacheOriginData[key] = { ...target };
          }
          target.editable = !target.editable;
          this.setState({ data: newData });
        }
      };