Strange Timestamps Type Inference

[kiki-kanri]

Prerequisites

• I have written a descriptive issue title

Mongoose version

7.6.3

Node.js version

20.9

MongoDB version

7.0.2

Operating system

Linux

Operating system version (i.e. 20.04, 11.3, 10)

ubuntu22.04

Issue

It may be related to this PR.

I wrote a model build function to make it easier for me to standardize the addition of plugins when building a model.

Model builder function:

import { model, PaginateModel, Schema } from 'mongoose';
import mongoosePaginate from 'mongoose-paginate-v2';
import normalize from 'normalize-mongoose';

export const buildModel = <T extends Schema>(collection: string, name: string, schema: T) => {
	schema.plugin(mongoosePaginate);
	schema.plugin(normalize);
	const tModel = model(name, schema, collection);
	return tModel as typeof tModel & PaginateModel<T, T['query'], T['methods']>;
}

Schema:

const adminSchema = new Schema({
	// Fields
}, {
	timestamps: true
});

Under normal conditions there is an automatic type determination of timestamps.

const AdminModel = buildModel('10_admins', 'Admin', adminSchema);
const admin = await AdminModel.findOne();
admin?.createdAt // It works

But as soon as I set statics or methods, timestamps related types are disabled.

const adminSchema = new Schema({
	// Fields
}, {
        statics: {
		// Some statics
	},
	timestamps: true
});

const AdminModel = buildModel('10_admins', 'Admin', adminSchema);
const admin = await AdminModel.findOne();
admin?.createdAt // no createdAt attributes

But when I change the timestamps in DefaultSchemaOptions interface directly, it works again.

Is this by design or is there no definitive solution yet?

[github-actions]

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[vkarpov15]

Unfortunately this is expected behavior currently, see automatic type inference docs

We have an issue #12807 to track this issue, as a workaround you should define createdAt and updatedAt yourself in your schemas if you use statics, methods, or virtuals.