Mongoose 모델에서 메서드를 정의하려면 어떻게 해야 합니까? 나의locationsModel파일: mongoose = require 'mongoose' threeTaps = require '../modules/threeTaps' Schema = mongoose.Schema ObjectId = Schema.ObjectId LocationSchema = latitude: String longitude: String locationText: String Location = new Schema LocationSchema Location.methods.testFunc = (callback) -> console.log 'in test' mongoose.model('Location', Location); 제가 사..