我正在使用打字稿实现猫鼬模型,如本文所述:https://github.com/Appsilon/styleguide/wiki/mongoose-typescript-models并且不确定当您使用子文档数组时这会如何翻译。假设我有以下模型和架构定义:
interface IPet {
name: {type: mongoose.Types.String, required: true},
type: {type: mongoose.Types.String, required: true}
}
export = IPet
interface IUser {
email: string;
password: string;
displayName: string;
pets: mongoose.Types.DocumentArray<IPetModel>
};
export = IUser;
import mongoose = require("mongoose");
import IUser = require("../../shared/Users/IUser");
interface IUserModel extends IUser, mongoose.Document { }
import mongoose = require("mongoose");
import IPet = require("../../shared/Pets/IPet");
interface IPetModel extends IPet, Subdocument { }
将新宠物添加到 user.pet 子文档的代码:
addNewPet = (userId: string, newPet: IPet){
var _user = mongoose.model<IUserModel>("User", userSchema);
let userModel: IUserModel = await this._user.findById(userId);
let pet: IPetModel = userModel.pets.create(newPet);
let savedUser: IUser = await pet.save();
}
查看链接后,这似乎是处理子文档所需的理想方法。然而,这种情况似乎会导致抛出 CasterConstructor 异常:
TypeError: Cannot read property 'casterConstructor' of undefined at Array.create.
如上面链接的文章中所述,使用猫鼬模型时,这是处理子文档的正确方法吗?