Problems with Schema.query's type definition

[GCastilho]

bug

What is the current behavior?

The type definition for the Schema.query doesn't seems to be working

What is the expected behavior?

If I define a custom query for a schema, the this type is resolved to any. If I try to provide a custom this type I get a "Type 'T' is not assignable to type...":

// Type 'T' is not assignable to type 'Query<any, any, {}, any>'.ts(2322)
SomeSchema.query.someQuery = function(
    this: QueryWithHelpers<ResultType, DocType>
): QueryWithHelpers<ResultType, DocType> {
	return ...
}

This previously worked (when using @types/mongoose) defining this to DocumentQuery<ResultType, DocType> although they didn't have a type for the query property

What are the versions of Node.js, Mongoose and MongoDB you are using? Note that "latest" is not a version.

5.13.5

[vkarpov15]

You're right that this is any by default in query helpers, we're working on that.

But, in the meantime, the below script seems to compile fine. Can you please provide your tsconfig and check whether the below script compiles on your setup?

import { Schema, model, Document, Types, Query, Model, QueryWithHelpers } from 'mongoose';

interface QueryHelpers {
  byName(name: string): QueryWithHelpers<Array<ITest>, ITest, QueryHelpers>;
}

const schema: Schema<ITest, Model<ITest, QueryHelpers>> = new Schema({
  name: { type: 'String' },
  tags: [String],
  docs: [{ nested: { id: Number, tags: [String] } }],
  endDate: Date
});

schema.query.byName = function(this: QueryWithHelpers<any, ITest>, name: string): QueryWithHelpers<any, ITest> {
  return this.find({ name });
};

[GCastilho]

I know it's closed but I do confirm this worked as a workaround