v2.15.0

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

v2.14.1

• Fix typing of help function

v2.14.0

• 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

v2.13.0

• 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

v2.12.2

• fix: typings are not shipped

v2.12.1

• Move @types/node to dev dependency

v2.12.0

• 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

Release V2.11.0

• 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

Release V2.10.0

• 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

Release V2.9.0

• 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