Program Builder

Type Safe

Define your arguments and then execute your main function with a strongly-typed args object that takes into account the types of arguments and their optionality.

args: {
  filename: string;
  count: number | null;
  force: boolean;
  quiet: boolean;
}

Automatic Help Text Generation

$ ts-node main.ts -h
Usage: main.ts [options] <filename> [extraFilename]
My awesome program.
Options:
  --count, -c [count]
  --requiredCount [requiredCount]

Feature Packed

Enjoy the features of a modern CLI-parsing library.

• Required and optional positional arguments.
• Boolean flags, including inverted flags like --no-verbose.
• Valued flags, with type conversions to integers, floats, etc.
• Default values.
• Validation that required arguments are provided.
• Help-text generation.
• Subcommands.