import Nedb from "nedb-promises-ts";

const collection = new Nedb<MyTypeHere>({autoload: true});

// or load after
await collection.loadDatabase();

// find
const documents = await collection.find({some: "query"})
                .sort({some: 1})
                .skip(5)
                .limit(10)
                .projection({_id: 0, some: 1}))

// OR
const cursor = collection.find(...);
cursor.skip(5);

cursor.then(documents =>  ... )

// same as 
cursor.exec().then(documents => ... )

// findOne
const doc = await collection.findOne(filter: FilterQuery<Document<T>>, projection: Projection<Document<T>>);

// update
const res = await collection.update(filter: FilterQuery<Document<T>>, update: UpdateQuery<Document<T>>, options?: UpdateOptions);

// remove
const numAffected = await collection.remove(filter: FilterQuery<Document<T>>) 

// index
await collection.ensureIndex(fieldName: keyof Document<T>, options: IndexOptions);

// and so on...

numAffected: number
upsert: boolean
document: Document<T> // if options.returnUpdatedDocs set to true and options.multi set to falsy value
documents: Document<T>[] // if options.returnUpdatedDocs set to true and options.multi set to truthly value