use querySelector syntax to search for nodes inside of (nested) shadow roots

Recursive Length Prefix Encoding Module

Creates a promise that waits for the promises in nested data structures and resolves to data structures of the same form. It recursively traverses the input data structure and multiplexes its promises.

Client/server side PDF printing in pure JavaScript

An ACP-compatible coding agent powered by the Claude Agent SDK (TypeScript)

Deep diffs two objects, including nested structures of arrays and objects, and return the difference. Forked to support ES module.

javascript standard data structure library which benchmark against C++ STL

Read, write or test a data structure's nested property via a string like 'my.nested.property'. It works through arrays and objects.'

Simple runtime TypeScript validator library

Conform helpers for integrating with Valibot

A Stimulus controller to create new fields on the fly to populate your Rails relationship.

Tools to use handle plain JS objects as immutable objects

Definitions for Matter application

The fastest Node.js library for formatting terminal text with ANSI colors~!

Bidirectional parser for ADF and Extended Markdown

An optimised way to copy'ing an object. A small and simple integration

Match balanced character pairs, like "{" and "}"

filter in array tree

Nested list Tool for EditorJS

A utility to recursively make all properties in a Zod schema optional.