An Error subclass that will chain nested Errors and dump nested stacktraces

Easily add ANSI colors to your text and symbols in the terminal. A faster drop-in replacement for chalk, kleur and turbocolor (without the dependencies and rendering bugs).

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

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

Apply a unary function to each element retrieved from a four-dimensional nested input array according to a callback function and assign results to elements in a four-dimensional nested output array.

Generates diffs between documents and primitive types

Apply a unary function to each element retrieved from a two-dimensional nested input array according to a callback function and assign results to elements in a two-dimensional nested output array.

Intuitive magical memoization library with Proxy and WeakMap

Apply a unary function to each element retrieved from a five-dimensional nested input array according to a callback function and assign results to elements in a five-dimensional nested output array.

Converts an array of items with ids and parent ids to a nested tree in a performant `O(n)` way. Runs in browsers and node.

Apply a unary function to each element retrieved from a three-dimensional nested input array according to a callback function and assign results to elements in a three-dimensional nested output array.

Utility to automatically link the URLs, email addresses, phone numbers, hashtags, and mentions (Twitter, Instagram) in a given block of text/HTML

JavaScript utilities for Vega.

Apply a unary callback to elements in a five-dimensional nested input array according to elements in a five-dimensional nested mask array and assign results to elements in a five-dimensional nested output array.

Apply a binary callback to elements in two four-dimensional nested input arrays according to elements in a four-dimensional nested mask array and assign results to elements in a four-dimensional nested output array.

Take a nested Javascript object and flatten it, or unflatten an object with delimited keys

Apply a unary callback to elements in a four-dimensional nested input array according to elements in a four-dimensional nested mask array and assign results to elements in a four-dimensional nested output array.

Apply a binary callback to elements in two three-dimensional nested input arrays according to elements in a three-dimensional nested mask array and assign results to elements in a three-dimensional nested output array.

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

Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts