# Changelog for 2.x

## [2.20.1] (2019-09-29)

### Fixed

* Improve tracking of executable subcommands.

### Changed

* update development dependencies

## 2.20.0 / 2019-04-02

* fix: resolve symbolic links completely when hunting for subcommands (#935)
* Update index.d.ts (#930)
* Update Readme.md (#924)
* Remove --save option as it isn't required anymore (#918)
* Add link to the license file (#900)
* Added example of receiving args from options (#858)
* Added missing semicolon (#882)
* Add extension to .eslintrc (#876)

## 2.19.0 / 2018-10-02

* Removed newline after Options and Commands headers (#864)
* Bugfix - Error output (#862)
* Fix to change default value to string (#856)

## 2.18.0 / 2018-09-07

* Standardize help output (#853)
* chmod 644 travis.yml (#851)
* add support for execute typescript subcommand via ts-node (#849)

## 2.17.1 / 2018-08-07

* Fix bug in command emit (#844)

## 2.17.0 / 2018-08-03

* fixed newline output after help information (#833)
* Fix to emit the action even without command (#778)
* npm update (#823)

## 2.16.0 / 2018-06-29

* Remove Makefile and `test/run` (#821)
* Make 'npm test' run on Windows (#820)
* Add badge to display install size (#807)
* chore: cache node_modules (#814)
* chore: remove Node.js 4 (EOL), add Node.js 10 (#813)
* fixed typo in readme (#812)
* Fix types (#804)
* Update eslint to resolve vulnerabilities in lodash (#799)
* updated readme with custom event listeners. (#791)
* fix tests (#794)

## 2.15.0 / 2018-03-07

* Update downloads badge to point to graph of downloads over time instead of duplicating link to npm
* Arguments description

## 2.14.1 / 2018-02-07

* Fix typing of help function

## 2.14.0 / 2018-02-05

* only register the option:version event once
* Fixes issue #727: Passing empty string for option on command is set to undefined
* enable eqeqeq rule
* resolves #754 add linter configuration to project
* resolves #560 respect custom name for version option
* document how to override the version flag
* document using options per command

## 2.13.0 / 2018-01-09

* Do not print default for --no-
* remove trailing spaces in command help
* Update CI's Node.js to LTS and latest version
* typedefs: Command and Option types added to commander namespace

## 2.12.2 / 2017-11-28

* fix: typings are not shipped

## 2.12.1 / 2017-11-23

* Move @types/node to dev dependency

## 2.12.0 / 2017-11-22

* add attributeName() method to Option objects
* Documentation updated for options with --no prefix
* typings: `outputHelp` takes a string as the first parameter
* typings: use overloads
* feat(typings): update to match js api
* Print default value in option help
* Fix translation error
* Fail when using same command and alias (#491)
* feat(typings): add help callback
* fix bug when description is add after command with options (#662)
* Format js code
* Rename History.md to CHANGELOG.md (#668)
* feat(typings): add typings to support TypeScript (#646)
* use current node

## 2.11.0 / 2017-07-03

* Fix help section order and padding (#652)
* feature: support for signals to subcommands (#632)
* Fixed #37, --help should not display first (#447)
* Fix translation errors. (#570)
* Add package-lock.json
* Remove engines
* Upgrade package version
* Prefix events to prevent conflicts between commands and options (#494)
* Removing dependency on graceful-readlink
* Support setting name in #name function and make it chainable
* Add .vscode directory to .gitignore (Visual Studio Code metadata)
* Updated link to ruby commander in readme files

## 2.10.0 / 2017-06-19

* Update .travis.yml. drop support for older node.js versions.
* Fix require arguments in README.md
* On SemVer you do not start from 0.0.1
* Add missing semi colon in readme
* Add save param to npm install
* node v6 travis test
* Update Readme_zh-CN.md
* Allow literal '--' to be passed-through as an argument
* Test subcommand alias help
* link build badge to master branch
* Support the alias of Git style sub-command
* added keyword commander for better search result on npm
* Fix Sub-Subcommands
* test node.js stable
* Fixes TypeError when a command has an option called `--description`
* Update README.md to make it beginner friendly and elaborate on the difference between angled and square brackets.
* Add chinese Readme file

## 2.9.0 / 2015-10-13

* Add option `isDefault` to set default subcommand #415 @Qix-
* Add callback to allow filtering or post-processing of help text #434 @djulien
* Fix `undefined` text in help information close #414 #416 @zhiyelee

## 2.8.1 / 2015-04-22

* Back out `support multiline description` Close #396 #397

## 2.8.0 / 2015-04-07

* Add `process.execArg` support, execution args like `--harmony` will be passed to sub-commands #387 @DigitalIO @zhiyelee
* Fix bug in Git-style sub-commands #372 @zhiyelee
* Allow commands to be hidden from help #383 @tonylukasavage
* When git-style sub-commands are in use, yet none are called, display help #382 @claylo
* Add ability to specify arguments syntax for top-level command #258 @rrthomas
* Support multiline descriptions #208 @zxqfox

## 2.7.1 / 2015-03-11

* Revert #347 (fix collisions when option and first arg have same name) which causes a bug in #367.

## 2.7.0 / 2015-03-09

* Fix git-style bug when installed globally. Close #335 #349 @zhiyelee
* Fix collisions when option and first arg have same name. Close #346 #347 @tonylukasavage
* Add support for camelCase on `opts()`. Close #353  @nkzawa
* Add node.js 0.12 and io.js to travis.yml
* Allow RegEx options. #337 @palanik
* Fixes exit code when sub-command failing.  Close #260 #332 @pirelenito
* git-style `bin` files in $PATH make sense. Close #196 #327  @zhiyelee

## 2.6.0 / 2014-12-30

* added `Command#allowUnknownOption` method. Close #138 #318 @doozr @zhiyelee
* Add application description to the help msg. Close #112 @dalssoft

## 2.5.1 / 2014-12-15

* fixed two bugs incurred by variadic arguments. Close #291 @Quentin01 #302 @zhiyelee

## 2.5.0 / 2014-10-24

* add support for variadic arguments. Closes #277 @whitlockjc

## 2.4.0 / 2014-10-17

* fixed a bug on executing the coercion function of subcommands option. Closes #270
* added `Command.prototype.name` to retrieve command name. Closes #264 #266 @tonylukasavage
* added `Command.prototype.opts` to retrieve all the options as a simple object of key-value pairs. Closes #262 @tonylukasavage
* fixed a bug on subcommand name. Closes #248 @jonathandelgado
* fixed function normalize doesn’t honor option terminator. Closes #216 @abbr

## 2.3.0 / 2014-07-16

* add command alias'. Closes PR #210
* fix: Typos. Closes #99
* fix: Unused fs module. Closes #217

## 2.2.0 / 2014-03-29

* add passing of previous option value
* fix: support subcommands on windows. Closes #142
* Now the defaultValue passed as the second argument of the coercion function.

## 2.1.0 / 2013-11-21

* add: allow cflag style option params, unit test, fixes #174

## 2.0.0 / 2013-07-18

* remove input methods (.prompt, .confirm, etc)

[2.20.1]: https://github.com/tj/commander.js/compare/v2.20.0...v2.20.1
