Implements the WebIDL algorithms for converting to and from JavaScript values

A document model for rich text editors

Encode and decode base64 encoded strings

Model-facing web tools (web_search, web_fetch) over the DeepSeek Harness web capability seam (ctx.web)

Encode and decode quoted-printable strings according to rfc2045

Get accurate and well named css box model information about an Element 📦

Remote BFF assembly and Host Agent/Session lookup policy

Simple SQL escape and format for MySQL

JS library that allows you to easily serialize and deserialize data with BigInt values

Use logical properties and values in CSS

Calculate prices for calling LLM inference APIs

A very strict and proper argument parser.

Tiny DOM-element-creation utility

Compare, format, diff and serialize any JavaScript value

A fast alternative to legacy querystring module

Minify font declarations with PostCSS

Parser and generator for CSS color strings

A library for interacting with JSON through Refract elements

Theme plugin: ThemeService (light/dark/system preference, prefers-color-scheme resolution, theme/change snapshots; no DOM), --dsw-* token base stylesheets; registers the Appearance settings row

Conversion of JavaScript primitives to and from Buffer with binary order matching natural primitive order