mongoose踩坑

mongoose.Types.ObjectId(item).toString()把转为字符串格式
错误代码：

      let doc = (await msgDB.findById(item._id)).children.id(childItem._id);
      let likes = [...doc.likes].map((item) => {
mongoose.Types.ObjectId(item).toString();
      });
      let index = likes.indexOf(loginUserId);
      if (index !== -1) {
        // 删除
        likes.splice(index, 1);
        console.log("splice", likes);
      } else {
        // 添加
        likes.push(loginUserId);
        console.log("push", likes);
      }

改正：
let doc = (await msgDB.findById(item._id)).children.id(childItem._id);
console.log(“doc.likes”, […doc.likes]);
let likes = [];
[…doc.likes].map((item) => {
likes.push(mongoose.Types.ObjectId(item).toString());
});
console.log(loginUserId, likes);
let index = likes.indexOf(loginUserId);
if (index !== -1) {
// 删除
likes.splice(index, 1);
console.log(“splice”, likes);
} else {
// 添加
likes.push(loginUserId);
console.log(“push”, likes);
}
脑阔疼，查找错误找了很久…