Slugifies a String

Shell-side React glue: createSlotRenderer, SessionProvider, bindSnapshotSelector (uSES bridge), useInvoke

A robust HTML entities encoder/decoder with full Unicode support.

remark-lint rule to check list item checkbox characters

Port of C's wcwidth() and wcswidth()

Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.

Tiny helpers for processing regex syntax

Automatically match a pair of characters and decorate the text in between

Add source maps of multiple files, offset them and then combine them into one source map

Get a KeyboardEvent.key-style string from an event

Low footprint ECMAScript source code parser

Lifecycle-bound per-message rating and note sidecar for the DeepSeek Harness

micromark utility to decode markdown strings

Compile ES2015 Unicode regex to ES5

A tiny (118 bytes), secure URL-friendly unique string ID generator

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

Replace extraneous newlines with a single newline, or pass a specified number of newlines to use.

Common utility functions

Converts PCRE regexp strings to JavaScript RegExp instances

Get East Asian Width from a character.