Util Packages

Coalesce for JavaScript. Returns the first value that is not undefined or null.

Minimal toolkit for building CLIs

Function argument validation for humans

The lodash method `_.isNil` exported as a module.

Utility functions

Lightweight format utility for the browser, based on util.format().

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

hast utility to check if a node is a (certain) element

The modern build of lodash’s `_.last` as a module.

hast utility to serialize to HTML

Simplified HTTP request client.

hast utility to check if a node is inter-element whitespace

Node.js 0.12 util.debuglog() ponyfill

Vue.js util for intelligently merging data passed to functional components.

Tiny wrapper around ansi-colors to add colored symbols and a timestamp.

mdast utility to generate a table of contents from a tree

unist utility to modify direct children of a parent

vfile utility to create a report for a file

vfile utility to read and write to the file system

The modern build of lodash’s `_.pairs` as a module.