A simple and lightweight CLI flag parser for Node.js that allows you to easily define and parse command-line flags.

basic CLI flag parser

Tiny CLI flag parser

base library for oclif CLIs

Typed command-line arguments parser

Check if argv has a specific flag

A very strict and proper argument parser.

Option parsing for Node, supporting types, shorthands, etc. Used by npm.

npm query parser and tools

A JavaScript parser

the mighty option parser used by yargs

Regular Expressions parser in JavaScript

Range header field string parser

Determine if the current node version supports the `--preserve-symlinks` flag.

CLI arguments parser. Native port of python's argparse.

An ESLint custom parser which leverages TypeScript ESTree

YAML 1.2 parser and serializer

Validate XML, Parse XML, Build XML without C/C++ based libraries

An inline style parser.

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment