argue-cli

A thin and strongly typed CLI arguments parser for Node.js.

Usage

1. Install

# yarn
yarn add argue-cli
# pnpm
pnpm add argue-cli
# npm
npm i argue-cli

2. Import in your code and use it!

import { read, end, expect, alias, option, readOptions } from 'argue-cli'

/**
 * Expect and read one of the commands
 */
const command = expect(
  alias('install', 'i'),
  'remove'
)
let options = {}

if (command === 'install') {
  /**
   * Read passed options
   */
  options = readOptions(
    option(alias('save', 'S'), Boolean),
    option(alias('saveDev', 'save-dev', 'D'), Boolean),
    option('workspace', String)
  )
}

/**
 * Read next argument
 */
const packageName = read()

/**
 * Expect end of the arguments
 */
end()

/* ... */

API

Method	Description
function read(): string	Read next argument. Throws error if no next argument.
function end(): void	Expectation of the end. Throws an error if there are more arguments left.
function expect(...argRefs: ArgRef[]): string	Expect one of the given arguments.
function alias(name: string, ...aliases: string[]): AliasArgRef	Describe argument with aliases.
function option(argRef: ArgRef, type: PrimitiveConstructor): OptionReader	Describe option with value.
function readOptions(...optionReaders: OptionReader[]): OptionResult	Read options from arguments.

TypeScript

In API section types are described in a simplified way. Detailed example of the types you can see here.