denomander

Offers a clean, method-chaining syntax similar to commander.js, making it easy to define commands and options as shown in usage examples like .command().option().action().

Allows attaching custom functions to parse option values, such as converting strings to integers or uppercase, demonstrated in the README with parseInteger and uppercase callbacks.

Supports nested sub-commands and aliases for structuring complex CLIs, enabling better command hierarchy and user experience, as illustrated in the sub-commands section.

Provides options to customize error messages and control whether errors are thrown or logged, detailed in the error customization and throw_errors configuration.