Tree utilities which provides a full-featured extend and object-cloning facility, and various tools to deal with nested object structures.

Immutable Data Collections

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

Big-friendly JSON. Asynchronous streaming functions for large JSON data sets.

Create nested getter properties and any intermediary dot notation (`'a.b.c'`) paths

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

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

Tree manipulation using fractional (IEEE 754 float) nested set values for O(1) moves

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

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

A simple, performant, and type-safe way to update nested state in React child components.

The official Nested Docs plugin for Payload

string-argv parses a string into an argument array to mimic process.argv. This is useful when testing Command Line Utilities that you want to pass arguments to.

Strongly-typed deep and recursive object merging. Considers all nested levels of objects, arrays, sets and maps.

PostCSS plugin for mixins

Amplify CLI

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

Standard help for oclif.

Merge objects & other types recursively. A simple & small integration.

A Stylelint plugin that enforces Sass's `mixed-decls` rule.