collection of utility function only works in node env.
[](https://www.npmjs.com/package/@aws-sdk/util-user-agent-node) [](https://www.npmjs.com/
The `util.is*` functions introduced in Node v0.12.
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 get the position of a node
mdast utility to get the plain text content of a node
Node.js's util module for all engines
unist utility to find a node after another node
hast utility to check if a node is inter-element whitespace
mdast utility to check if a node is phrasing content
hast utility to get the plain-text value of a node according to the `innerText` algorithm
A Node.JS UTF-8 string <-> UInt8Array converter
unist utility to get a position from an estree node
hast utility to get the plain-text value of a node
hast utility to check if a node is a (certain) element
Browser-friendly inheritance fully compatible with standard node.js inherits()
unist utility to check if a node is generated
hast utility to reparse a tree
unist utility to remove positions from a tree
hast utility to check if a node has a property
Solves a problem with util.format
hast utility for `querySelector`, `querySelectorAll`, and `matches`
Polyfill/shim for util.promisify in node versions < v8