日期和猫鼬打字稿问题

Question

我正面临着建立 here 的 Mongoose 官方文档的问题。

import { Schema, Model, model } from 'mongoose';

export interface IUser {
  name: string;
  email: string;
  avatar?: string;
  created: Date;
}

const schema = new Schema<IUser, Model<IUser>, IUser>({
  name: { type: String, required: true },
  email: String,
  avatar: String,
  created: { type: Date, default: Date.now },
});

export const UserModel = model<IUser>('User', schema);

我的问题是IUser 中的created 类型与schema 中的类型不同，并得到错误：

Type '{ type: DateConstructor; default: () => number; }' is not assignable to type 'typeof SchemaType | Schema<any, any, undefined, unknown> | Schema<any, any, undefined, unknown>[] | readonly Schema<any, any, undefined, unknown>[] | Function[] | ... 6 more ... | undefined'.
  Types of property 'type' are incompatible.
    Type 'DateConstructor' is not assignable to type 'Date | typeof SchemaType | Schema<any, any, undefined, unknown> | undefined'.
      Type 'DateConstructor' is missing the following properties from type 'typeof SchemaType': cast, checkRequired, set, getts(2322)
(property) created?: typeof SchemaType | Schema<any, any, undefined, unknown> | Schema<any, any, undefined, unknown>[] | readonly Schema<any, any, undefined, unknown>[] | Function[] | ... 6 more ... | undefined

请告诉我如何解决这个问题。

Answer 1

Date.now() 是一个返回number 的函数。而不是它，尝试仅使用new Date()。还需要将createdAt的类型更改为Number。

在给定的文档链接中，createdAt 字段类型是 number，但这里你写的是 Date。

interface User {
  name: string;
  email: string;
  avatar?: string;
  createdAt: number;
}

或

createdAt 和 updatedAt 是可以直接使用的时间戳，无需在架构中指定。

const schema = new Schema<IUser, Model<IUser>, IUser>({
  name: { type: String, required: true },
  email: String,
  avatar: String
},{
    timestamps: true
});