Fix type of Cursor to extend Promise<Document<T>> instead of Promise<T> (#45)

Add require Buffer to allow for Buffer.isBuffer()

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres
 to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+### Fixed
+- Explicitly import `buffer` [#34](https://github.com/seald/nedb/pull/34).
+- Fix `Cursor`'s typings [#45](https://github.com/seald/nedb/issues/45)
+
 ## [4.0.3] - 2023-12-13
 ### Fixed
 - Fixed EPERM Exception when datastore is at the root of a disk on Windows [#48](https://github.com/seald/nedb/issues/48)

index.d.ts

@@ -149,7 +149,7 @@ declare class Nedb<Schema = Record<string, any>> extends EventEmitter {
 }
 
 declare namespace Nedb {
-  interface Cursor<T> extends Promise<T> {
+  interface Cursor<T> extends Promise<Document<T>> {
     sort(query: any): Cursor<T>;
     skip(n: number): Cursor<T>;
     limit(n: number): Cursor<T>;

lib/byline.js

@@ -25,6 +25,7 @@
  */
 const stream = require('stream')
 const timers = require('timers')
+const { Buffer } = require('buffer')
 
 const createLineStream = (readStream, options) => {
   if (!readStream) throw new Error('expected readStream')