# Changelog
All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
## [1.0.0](https://github.com/an-sh/chat-service/compare/v0.16.0...v1.0.0) (2019-12-14)
### ⚠ BREAKING CHANGES
* Now only Node.js version 10 and later are supported
* update ([040db82](https://github.com/an-sh/chat-service/commit/040db82d804a7048eb26f2e6b9105125cf16e843))
# [0.16.0](https://github.com/an-sh/chat-service/compare/v0.15.0...v0.16.0) (2018-01-05)
### Bug Fixes
* **tests:** update some expect assertions ([ea5b2a3](https://github.com/an-sh/chat-service/commit/ea5b2a3))
### Features
* update to socket.io to 2.x ([ed12eda](https://github.com/an-sh/chat-service/commit/ed12eda))
### BREAKING CHANGES
* update socket.io to 2.x
# [0.15.0](https://github.com/an-sh/chat-service/compare/v0.14.0...v0.15.0) (2018-01-05)
### Features
* update ioredis ([53570b5](https://github.com/an-sh/chat-service/commit/53570b5))
# [0.14.0](https://github.com/an-sh/chat-service/compare/v0.13.1...v0.14.0) (2017-02-03)
### Chores
* use es2015-node4 preset ([a501223](https://github.com/an-sh/chat-service/commit/a501223))
### BREAKING CHANGES
* Possible node 4.x regression due to the preset change.
## [0.13.1](https://github.com/an-sh/chat-service/compare/v0.13.0...v0.13.1) (2016-11-15)
### Bug Fixes
* allow to return Promise from message checkers ([1526e19](https://github.com/an-sh/chat-service/commit/1526e19))
# [0.13.0](https://github.com/an-sh/chat-service/compare/v0.12.0...v0.13.0) (2016-10-21)
### Code Refactoring
* drop 0.12 support/testing ([756999b](https://github.com/an-sh/chat-service/commit/756999b))
### Features
* **store:** ES6 data structures for memory store ([bdc579c](https://github.com/an-sh/chat-service/commit/bdc579c))
### BREAKING CHANGES
* Now node >=4 is required.
# [0.12.0](https://github.com/an-sh/chat-service/compare/v0.11.0...v0.12.0) (2016-10-12)
### Code Refactoring
* change transport constructor arguments ([02b04a3](https://github.com/an-sh/chat-service/commit/02b04a3))
* don't change event names in transports ([7e9e26a](https://github.com/an-sh/chat-service/commit/7e9e26a))
* return promises in transport handlers ([86874ff](https://github.com/an-sh/chat-service/commit/86874ff))
### Features
* add onJoin and onLeave hooks ([ac63e5b](https://github.com/an-sh/chat-service/commit/ac63e5b))
### BREAKING CHANGES
* Transport plugins must not manage cluster event names.
* Transport plugins should expect command handlers to
return promises instead of using callbacks.
* Transport plugin constructor will now have only 2
arguments, transport related options will be passed inside options.
# [0.11.0](https://github.com/an-sh/chat-service/compare/v0.10.1...v0.11.0) (2016-09-26)
### Bug Fixes
* **transport:** remove debug code ([64e9977](https://github.com/an-sh/chat-service/commit/64e9977))
### Features
* optimisations for join and leave operations ([484823c](https://github.com/an-sh/chat-service/commit/484823c))
* **hooks:** more information for disconnect hook ([67e18fe](https://github.com/an-sh/chat-service/commit/67e18fe))
### BREAKING CHANGES
* transport: Now onConnect hook must be provided in order to login
an user, old fallback is removed.
* hooks: onDisconnect hook will now receive an Object as a
second argument (instead of string).
## [0.10.1](https://github.com/an-sh/chat-service/compare/v0.10.0...v0.10.1) (2016-09-18)
# [0.10.0](https://github.com/an-sh/chat-service/compare/v0.9.2...v0.10.0) (2016-08-22)
### Bug Fixes
* don't use deprecated Buffer api on newer node ([6d4f5b4](https://github.com/an-sh/chat-service/commit/6d4f5b4))
* **api:** remove notifications on duplicate joins ([c1c2cd2](https://github.com/an-sh/chat-service/commit/c1c2cd2))
### BREAKING CHANGES
* api: Store api UserState#addSocketToRoom method must return
now two values.
## [0.9.2](https://github.com/an-sh/chat-service/compare/v0.9.1...v0.9.2) (2016-08-16)
### Bug Fixes
* add disconnection errors logging ([289eda5](https://github.com/an-sh/chat-service/commit/289eda5))
## [0.9.1](https://github.com/an-sh/chat-service/compare/v0.9.0...v0.9.1) (2016-08-12)
### Bug Fixes
* **docs:** examples build-in reconnection handling ([28ff554](https://github.com/an-sh/chat-service/commit/28ff554))
# [0.9.0](https://github.com/an-sh/chat-service/compare/0.8.0...v0.9.0) (2016-08-08)
### Bug Fixes
* **api:** add internal errors representation ([6984215](https://github.com/an-sh/chat-service/commit/6984215))
* **api:** don't send notifications on noop leaves ([0d05357](https://github.com/an-sh/chat-service/commit/0d05357))
* **api:** don't transform exec command results ([33d753c](https://github.com/an-sh/chat-service/commit/33d753c))
* **config:** honor enableUserlistUpdates option ([86f5f61](https://github.com/an-sh/chat-service/commit/86f5f61))
* **store:** trim history on shrinking ([826b59a](https://github.com/an-sh/chat-service/commit/826b59a))
* **transport:** use ioOptions with http ([8d93755](https://github.com/an-sh/chat-service/commit/8d93755))
### Code Refactoring
* remove io and nps fields ([6b28fde](https://github.com/an-sh/chat-service/commit/6b28fde))
* remove redis field ([7e14b62](https://github.com/an-sh/chat-service/commit/7e14b62))
* **api:** rename defaultHistoryLimit option ([a3ae131](https://github.com/an-sh/chat-service/commit/a3ae131))
* **errors:** new rpc error object format ([7c34202](https://github.com/an-sh/chat-service/commit/7c34202))
* **transport:** move middleware option ([7f839f5](https://github.com/an-sh/chat-service/commit/7f839f5))
* **validation:** provide a method on instance ([5ed60a9](https://github.com/an-sh/chat-service/commit/5ed60a9))
### Features
* **api:** add a custom data field to ExecInfo ([be5bb48](https://github.com/an-sh/chat-service/commit/be5bb48))
* **api:** add getHandshakeData transport method ([8d3c089](https://github.com/an-sh/chat-service/commit/8d3c089))
* **api:** add notification config setters methods ([bf6935c](https://github.com/an-sh/chat-service/commit/bf6935c))
* **api:** add roomNotificationsInfo command ([e1a7ac5](https://github.com/an-sh/chat-service/commit/e1a7ac5))
* **api:** echo join and leave from a server side ([23d2252](https://github.com/an-sh/chat-service/commit/23d2252))
* **api:** per-room notifications config ([c21435b](https://github.com/an-sh/chat-service/commit/c21435b))
* **hooks:** add isLocalCall property ([37b2260](https://github.com/an-sh/chat-service/commit/37b2260))
* **hooks:** add onDisconnect hook ([e9ff9a1](https://github.com/an-sh/chat-service/commit/e9ff9a1))
* **store:** permissions lists size limits ([5aa917a](https://github.com/an-sh/chat-service/commit/5aa917a))
* **store:** pluginable state store ([408f785](https://github.com/an-sh/chat-service/commit/408f785))
* **transport:** transport as a plugin ([892bacb](https://github.com/an-sh/chat-service/commit/892bacb))
### Styles
* rewrite all code to es6 ([f47173f](https://github.com/an-sh/chat-service/commit/f47173f))
### BREAKING CHANGES
* api: Rename defaultHistoryLimit option to historyMaxSize.
* api: enableAccessListsUpdates and enableUserlistUpdates are
now just default values, and will not be used for already created rooms.
* Remove ChatService redis field from the public API.
* Remove ChatService io and nps fields from the public
API.
* Possible regressions due to a full es6 rewrite.
* transport: Multiple transport API changes.
* hooks: Remove disconnect command and its hooks.
* transport: Option middleware was moved from hooks to
SocketIOTransportOptions.
* errors: The ChatService errors' object name field is set to
'ChatServiceError' and name filed is renamed to code.
* validation: chatService.validator.checkArguments has changed to
chatService.checkArguments.