3.1.1

• Fixed a regression introduced in 3.1.0 for short options which can't be used with a parameter when not in a short options sequence

3.1.0

• Fixed signature of command() function by removing parameters except the first one, since others are not used anymore
• Added throwing an error when using the second parameter in a command definition (i.e. command("name", "[arg1] [arg2]")) to avoid mistakes on migration from v2.0
• Allowed - as a value for arg

3.0.0

• Allowed args after and between options
• Replaced chalk with ansi-colors
• Changed supported versions of Node.js to ^12.20.0, ^14.13.0 and >=15.0.0
• Converted to ESM. CommonJS is supported as well (dual module)
• See other change of 3.0 in 3.0.0-beta.1 release notes

3.0.0-beta.1

• Restored wrongly removed Command#extend()
• Changed Command's constructor and Command#command(method) to take usage only (i.e. command('name [param]') instead command('name', '[param]'))
• Added Command#clone() method
• Added Command#getCommand(name) and Command#getCommands() methods
• Added Command#getOption(name) and Command#getOptions() methods
• Added Command#messageRef() and Option#messageRef() methods
• Added Command#createOptionValues(values) method
• Added Command#help() method similar to Command#version(), use Command#help(false) to disable default help action option
• Fixed Command#showHelp(), it's now logs help message in console instead of returning it
• Renamed Command#showHelp() into Command#outputHelp()
• Changed Command to store params info (as Command#params) even if no params
• Removed Command#infoOption() method, use action in option's config instead, i.e. option(usage, description, { action: ... })
• Removed Command#infoOptionAction and infoOptionAction option for Command constructor as well
• Removed Command#shortcut() method, use shortcut in option's config instead, i.e. option(usage, description, { shortcut: ... })
• Changed Command#command() to raise an exception when subcommand name already in use
• Removed Command#setOptions() method
• Removed Command#setOption() method
• Removed Command#hasOptions() method
• Removed Command#hasOption() method
• Removed Command#hasCommands() method
• Removed Command#normalize() method (use createOptionValues() instead)
• Changed Option to store params info as Option#params, it always an object even if no params
• Added Option#names() method
• Removed name validation for subcommands
• Allowed a number for options's short name
• Changed argv parse handlers to [init() → applyConfig() → prepareContext()]+ → action()
• Changed exports
  • Added getCommandHelp() function
  • Added Params class
  • Removed Argument class
  • Removed color option

2.0.1

• Fixed multiline description output in help

2.0.0

• Dropped support for Node < 8
• Bumped deps to latest versions
• Added config argument for Command and create function
  • defaultHelp option to prevent adding --help option on command create
  • infoOptionAction option to override action when info option involved (output to stdout and exit(0) by default)
• Added Command#infoOption() method
• Fixed failure on argv parsing when all types of values are passed (i.e. args & options & literal args)
• Renamed create() method to command()
• Removed error() method
• Removed confirm() method

1.2.3

• Rolled back passing params to args() back as array

1.2.2

• Fixed context passed to Command#args(), now it's a command as expected (#10)
• Fixed consuming of literal arguments that wrongly concating with other arguments (i.e. anything going after -- concats with arguments before --)

1.2.1

• Fixed multi value option processing (@tyanas & @smelukov, #9)

1.2.0

• Improved multi value option processing (@smelukov, #7)