Sourced fromcommander's releases.

v8.1.0

Added

• .copyInheritedSettings() (#1557)
• update Chinese translations for Commander v8 (#1570)
• Argument methods for.argRequired() and.argOptional() (#1567)

v8.0.0

Added

• .argument(name, description) for adding command-arguments (#1490)
  • supports default value for optional command-arguments (#1508)
  • supports custom processing function (#1508)
• .createArgument() factory method (#1497)
• .addArgument() (#1490)
• Argument supports.choices() (#1525)
• .showHelpAfterError() to display full help or a custom message after an error (#1534)
• .hook() with support for'preAction' and'postAction' callbacks (#1514)
• client typing of.opts() return type using TypeScript generics (#1539)
• the number of command-arguments is checked for programs without an action handler (#1502)
• .getOptionValue() and.setOptionValue() (#1521)

Changed

• refactor and simplify TypeScript declarations (with no default export) (#1520)
• .parseAsync() is now declared asasync (#1513)
• Breaking:Help method.visibleArguments() returns array ofArgument (#1490)
• Breaking: Commander 8 requires Node.js 12 or higher (#1500)
• Breaking:CommanderError codecommander.invalidOptionArgument renamedcommander.invalidArgument (#1508)
• Breaking: TypeScript declaration for.addTextHelp() callback no longer allows result ofundefined, now juststring (#1516)
• refactorindex.tab into a file per class (#1522)
• remove help suggestion from "unknown command" error message (see.showHelpAfteError()) (#1534)
• Command property.arg initialised to empty array (was previously undefined) (#1529)
• update dependencies

Deprecated

• second parameter ofcmd.description(desc, argDescriptions) for adding argument descriptions (#1490)
  • (use new.argument(name, description) instead)
• InvalidOptionArgumentError (replaced byInvalidArgumentError) (#1508)

Removed

• Breaking: TypeScript declaration for default export of globalCommand object (#1520)
  • (still available as namedprogram export)

Migration Tips

If you have a simple program without an action handler, you will now get an error ifthere are missing command-arguments.

... (truncated)

Sourced fromcommander's changelog.

[8.1.0] (2021-07-27)

Added

• .copyInheritedSettings() (#1557)
• update Chinese translation updates for Commander v8 (#1570)
• Argument methods for.argRequired() and.argOptional() (#1567)

[8.0.0] (2021-06-25)

Added

• .argument(name, description) for adding command-arguments (#1490)
  • supports default value for optional command-arguments (#1508)
  • supports custom processing function (#1508)
• .createArgument() factory method (#1497)
• .addArgument() (#1490)
• Argument supports.choices() (#1525)
• .showHelpAfterError() to display full help or a custom message after an error (#1534)
• .hook() with support for'preAction' and'postAction' callbacks (#1514)
• client typing of.opts() return type using TypeScript generics (#1539)
• the number of command-arguments is checked for programs without an action handler (#1502)
• .getOptionValue() and.setOptionValue() (#1521)

Changed

• refactor and simplify TypeScript declarations (with no default export) (#1520)
• .parseAsync() is now declared asasync (#1513)
• Breaking:Help method.visibleArguments() returns array ofArgument (#1490)
• Breaking: Commander 8 requires Node.js 12 or higher (#1500)
• Breaking:CommanderError codecommander.invalidOptionArgument renamedcommander.invalidArgument (#1508)
• Breaking: TypeScript declaration for.addTextHelp() callback no longer allows result ofundefined, now juststring (#1516)
• refactorindex.tab into a file per class (#1522)
• remove help suggestion from "unknown command" error message (see.showHelpAfteError()) (#1534)
• Command property.arg initialised to empty array (was previously undefined) (#1529)
• update dependencies

Deprecated

• second parameter ofcmd.description(desc, argDescriptions) for adding argument descriptions (#1490)
  • (use new.argument(name, description) instead)
• InvalidOptionArgumentError (replaced byInvalidArgumentError) (#1508)

Removed

• Breaking: TypeScript declaration for default export of globalCommand object (#1520)
  • (still available as namedprogram export)

Migration Tips

... (truncated)

• a9c9f17 Add link for version diff
• 411ca95 Clarify that more than just README
• a036bde Prepare for 8.1
• e6943c4 Update Chinese docs
• 6f51e4a Feature/argument arg explicit (#1567)
• 4be69f1 Use getCommandAndParents for array of parents (#1566)
• 56c4108 Follow jsdoc and tsdoc more closely, especially@​example (#1562)
• 5517d25 Add copyInheritedSettings (#1557)
• 80054ba Note Chinese translations are stale (#1550)
• 51c77ec Prepare for 8.0.0 (#1548)
• Additional commits viewable incompare view

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