prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

A collection of useful utilities.

A debug logger package for other Google libraries

u3 - Utility Functions

A helper utility for logging of WebdriverIO packages

unist utility to remove nodes from a tree

A simple utility for conditionally joining classNames together

mdast utility to find definition nodes in a tree

unist utility to check if a node passes a test

unist utility to serialize a node, position, or point as a human readable location

unist utility to create a new tree with nodes that pass a filter

nlcst utility to transform a tree to a string

hast utility to check if a node has a property

Tiny global storage utility library

General purpose node utilities

unist utility to check if a node is generated

A minimalistic code generation utility.

Utilities for emitting logs.

hast utility to get the rank (or depth, level) of headings