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I have a BaseRepository with the main methods that mongoose provides like this:

class BaseRepository {
  constructor(model) {
    this.model = model;
  }

  async get(id) {
    return this.model.findById(id);
  }

  async find(filter) {
    return this.model.find(filter);
  }
  
  async sort(filter) {
    return this.model.sort(filter)
  }

  ....
}

And so I'm using a dependency injection pattern with awilix so I can use them like this on my service layer, for example my userRepository:

this.userRepository.find({})

And everything works fine, the problem lies when I try to chain my repository methods like this:

this.userRepository.find({}).sort({createdAt: -1})

I get the following error:

this.userRepository.find(...).sort is not a function

I'll gladly accept a few suggestions on how to make this work. Thanks!

Martin Carrasco Filippi
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1 Answers1

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Remove the async modifier. When a method/function is marked as async, it will always return a Promise. In your case, you want to return the object returned by mongoose's find, which is a querying API object.

Jeff
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