DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It runs as JavaScript and works in all modern browsers, as well as in Node.js (via jsdom). DOMPurify is written by security people who have vast background in web a

Simple yet powerful framework for building command-line apps.

An ESnext spec-compliant `Array.prototype.findLast` shim/polyfill/replacement that works as far down as ES3.

mdast utility to check if a node is phrasing content

ES spec-like internal slots

Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

remark plugin to support GFM (autolink literals, footnotes, strikethrough, tables, tasklists)

Parse, validate, manipulate, and display dates

Determine if a function is a native async function.

Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.

Determine if a function is a native generator function.

micromark utility to decode markdown strings

Get and validate the raw body of a readable stream.

Is this value negative zero? === will lie to you

Offers a async require.resolve function. It's highly configurable.

Wrap words to a specified length.

micromark utility to combine syntax or html extensions

A simple key/value storage using files to persist the data

unist utility to recursively walk over nodes, with ancestral information

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.