CLI

Detect whether a terminal supports color

ANSI escape codes for styling strings in the terminal

Terminal string styling done right

Check if argv has a specific flag

Regular expression for matching ANSI escape codes

the complete solution for node.js command-line programs

Get the visual width of a string - the number of columns required to display it

the mighty option parser used by yargs

yargs the modern, pirate-themed, successor to optimist.

Wordwrap a string with ANSI escape codes

easily create complex multi-column command-line-interfaces

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

The tiniest and the fastest library for terminal output formatting with ANSI colors

Get your PATH prepended with locally installed binaries

option parsing and help generation

Slice a string with ANSI escape codes

ANSI escape codes for manipulating the terminal

Easily add ANSI colors to your text and symbols in the terminal. A faster drop-in replacement for chalk, kleur and turbocolor (without the dependencies and rendering bugs).

Gracefully restore the CLI cursor on exit

Unicode symbols with fallbacks for older terminals

Toggle the CLI cursor

Colored symbols for various log levels. Example: `✔︎ Success`

A collection of common interactive command line user interfaces.

Let a globally installed package use a locally installed version of itself if available

Unopinionated, no-frills CLI argument parser

The fastest Node.js library for formatting terminal text with ANSI colors~!

Lightweight, beautiful and user-friendly prompts

Get stdout window width, with two fallbacks, tty and then a default.

Delightful JavaScript Testing.

A light, featureful and explicit option parsing library.

CLI tool to update caniuse-lite to refresh target browsers from Browserslist config

CLI app helper

Flexible ascii progress bar

atob for Node.JS and Linux / Mac / Windows CLI (it's a one-liner)

JavaScript parser, mangler/compressor and beautifier toolkit

Extremely fast HTTP Archive (HAR) validator using JSON Schema

Detect if your terminal emulator supports hyperlinks

Elegant terminal spinner

Parse yes/no like values

Truncate a string to a specific width in the terminal

Spinners for use in the terminal

Create boxes in the terminal

Get the visual width of the widest line in a string - the number of columns required to display it

Stylish, intuitive and user-friendly prompt system. Fast and lightweight enough for small projects, powerful and extensible enough for the most advanced use cases.

Boxes for use in the terminal

filesystem utilities for the npm cli

align-text with ANSI support for CLIs

Log by overwriting the previous output in the terminal. Useful for rendering progress bars, animations, etc.

Highly configurable, well-tested, JavaScript-based HTML minifier.

Pretty unicode tables for the command line. Based on the original cli-table.