# Changelog
All notable changes to this project will be documented in this file.

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]
## [3.1.6] - 2025-09-08
### Fixed
- return null in type definition for peek & pop functions.

## [3.1.5] - 2025-08-26
### Fixed
- README

## [3.1.4] - 2022-08-15
### Fixed
- add types to package.json

## [3.1.3] - 2022-05-15
### Fixed
- README

## [3.1.2] - 2021-06-20

### Fixed
- index.d.ts

## [3.1.1] - 2021-06-14

### Fixed
- README

## [3.1.0] - 2021-06-13

### Added
- typescript.

## [3.0.0] - 2021-01-02

### Changed
- `.push` can now chain other stack methods.
- named export for stack class.

### Fixed
- readme

## [2.0.4] - 2020-12-26
### Fixed
- jsdoc
- readme

## [2.0.3] - 2020-04-03
### Fixed
- .npmignore

## [2.0.2] - 2020-04-02
### Fixed
- README & jsdoc.

## [2.0.1] - 2020-03-12
### Fixed
- Readme.

## [2.0.0] - 2020-03-12
### Changed
- initial new release.