JSPM

Data Structures & Algorithms in JS

High-quality and essential Typescript data structures

Data-structures and algorithms implemented on TypeScript

Algorithms and data-structures implemented on JavaScript

Algorithms and data-structures implemented on JavaScript

A Javascript library of simple data structures

Collection of essential data structures implemented in javascript

Data validation using immutable data structures

Algorithms and data-structures implemented on JavaScript

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

Data structures and algorithms implemented in JavaScript

Modern, high-performance data structures for JavaScript & TypeScript - inspired by Python's collections module

JavaScript and TypeScript implementations for common data structures and algorithms.

A Javascript library of data structures and algorithms.

A data-structures and algorithms library for node and browser written in typescript. Inspired from C++ standard library

A modern JavaScript & TypeScript standard template library (STL) for data structures and algorithms. Includes high-performance implementations of Stack, Queue, Deque, Linked List, Vector, Set, Map, Tree, Heap, and Graph — inspired by C++ STL. Designed for

Common data structures implementation for javascript

IOTA Pico Framework Data Structures and Helpers

Library for manipulating normalized data structures.

Declarative JSON transformation engine that reshapes and maps complex data structures with nested resolution, type casting, recursion, and more. Ideal for APIs, SDKs, and frontend shaping.

Common data structures created in Javascript

XyPriss Security is an advanced JavaScript security library designed for enterprise applications. It provides military-grade encryption, secure data structures, quantum-resistant cryptography, and comprehensive security utilities for modern web applicatio

Javascript lib for producing diffs of data structures and time-traveling with them

Data structures and algorithms written in JavaScript

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Typesafe data structures for Javascript

a light weight package for typescript Data structures

Provide commonly used data-structures for javascript.

A collection of mostly common algorithms, data structures with visualizations and explanations.

Provide commonly used data-structures for javascript.

Javascript data structures

Data structures, data types, and algorithms with superpowers! 💪

IntegralUI Web - TreeGrid is a native Web Component that displays hierarchical data structures in multiple columns.

Client/server side PDF printing in pure JavaScript

JavaScript object query engine

Data structure and graph processing library written in modern JavaScript

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Javascript data structures library

Get the byteOffset out of a DataView, robustly.

Fenrir is an assistant to prognosticate the future of a wolfpack using vanilla Javascript and data structures.

usingbytes-dsa is comprehensive JavaScript library for common data structures and algorithms. This library is designed to be both educational and practical, providing implementations of fundamental data structures and algorithms that can be used in a vari

Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Get the byteLength out of a DataView, robustly.

A small and mighty suite of data structures in JavaScript.

Min Heap

This library provides a simple way to define and serialize data structures (structs) with support for both regular fields and bitfields

A Node.js package providing advanced data structures and utility functions using native C.

serialize objects to javascript

Comprehensive collection of type guards for JavaScript and TypeScript; Inspired by Elixir

A comprehensive JavaScript implementation of Min Heap and Max Heap data structures with practical utilities

A lightweight, powerful in-memory database for JavaScript/TypeScript applications with support for multiple data structures, relationships, transactions, and schema validation. Perfect for both browser and Node.js environments.

TypeScript Data Structures that you need!

ds-ts-algo is a typescript written package that allow users to use different pre-made data structures and algorithms in their javascript/typescript projects.

Parse front-matter from a string or file. Fast, reliable and easy to use. Parses YAML front matter by default, but also has support for YAML, JSON, TOML or Coffee Front-Matter, with options to set custom delimiters. Used by metalsmith, assemble, verb and

Get and robustly cache all JS language-level intrinsics at first require time

Python's deque data structure for JavaScript

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

JS-DSA is a comprehensive collection of data structures and algorithms implemented in JavaScript. This project is designed to be a helpful resource for developers, students, and anyone interested in learning about data structures and algorithms through pr

Meta-annotations for data structures in JavaScript

`Object.defineProperty`, but not IE 8's broken one.

Publish-subscribe data structures for JavaScript

Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.

`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.

Get the ArrayBuffer out of a DataView, robustly.

Robustly `.call.bind()` a function

Human-friendly process signals

A simple cache for a few of the JS Error constructors.

ES Object-related atoms: Object, ToObject, RequireObjectCoercible

ES2019 spec-compliant String.prototype.trimStart shim.

A robust, ES3 compatible, "has own property" predicate.

A Javascript library for using classic Data Structures

Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.

ES2019 spec-compliant String.prototype.trimEnd shim.

Set a function's length property

A parser that converts TypeScript source code into an ESTree compatible form

Unbox a boxed JS primitive value.

Is this value a JS SharedArrayBuffer?

sortlab is a versatile sorting package that supports various data structures, such as number arrays and strings, and provides multiple popular sorting algorithms. 💪

Which kind of boxed JS primitive is this?

The fastest directory crawler & globbing alternative to glob, fast-glob, & tiny-glob. Crawls 1m files in < 1s

The project is JavaScript Data Structures incudes Vector, List, Tree, Graph, Heap...etc

Is this value a JS ArrayBuffer?

ES spec-compliant shim for ArrayBuffer.prototype.slice

An ESLint custom parser which leverages TypeScript ESTree

TypeScript is a language for application scale JavaScript development

Is this an arguments object? It's a harder question than you think.

An AST-based pattern checker for JavaScript.

An Esprima-compatible JavaScript parser built on Acorn

An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.

Project for showing different data structures and algorithms implemented in Javscript. Not exhaustive, mostly exploratory in nature and for career development. If you see anything wrong, let me know!

Standard AVL tree

`Iterator.prototype`, or a shared object to use.

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.

An efficient JavaScript package for implementing and working with Circular Queue data structures.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Tooling which enables you to use TypeScript with ESLint

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

Directed Graph

A lightweight carousel library with fluid motion and great swipe precision

A collection of common interactive command line user interfaces.

Reactive utilities for Embla Carousel

A lightweight carousel library with fluid motion and great swipe precision

Generates CRC hashes for strings - for use by node redis clients to determine key slots.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

A query library for ECMAScript AST using a CSS selector like query language.

Merge and deep merge utility for nested data structures

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

A comprehensive data structures and algorithms library for JavaScript, featuring optimized implementations of common DS and algorithms.

Check if something can be an ecmascript (javascript) identifier name

Stylish, intuitive and user-friendly prompt system. Fast and lightweight enough for small projects, powerful and extensible enough for the most advanced use cases.

Trie, prefix tree

An **EXPERIMENTAL** Webpack plugin to enable "Fast Refresh" (also previously known as _Hot Reloading_) for React components.

Airbnb's base JS ESLint config, following our styleguide

Inquirer prompts, combined in a single package

WebAssembly binary format parser

ESLint JavaScript language implementation

Parses CSS inline style to JavaScript object (camelCased).

A collection of implementation for ECMAScript abstract operations

Spectacular Test Runner for JavaScript.

Graph data structure.

Polyfills the ResizeObserver API and supports box size options from the latest spec

Listen to realtime updates to your PostgreSQL database

Runtime library for TypeScript helper functions

A less than 1KB css-in-js solution

writing HTML templates as Javascript data structures

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

remark plugin to support MDX syntax

ECMAScript extensions and shims

Inquirer checkbox prompt

JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.

unist utility to get a position from an estree node

esast (and estree) utility to visit nodes

micromark extension to support MDX JS import/exports

micromark extension to support MDX or MDX JS expressions

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

Seeder package for MikroORM.

Airbnb's ESLint config with TypeScript support

ES spec-compliant shim for TypedArray.prototype.slice

Publish multiple editions for your JavaScript packages consistently and easily (e.g. source edition, esnext edition, es2015 edition)

Attach comments to estree nodes

Transform JSX in estrees to function calls (for react, preact, and most hyperscript interfaces)

A Reactive State Management Tailored-Made for JS Applications

Microsoft Azure Storage SDK for JavaScript - Blob

JavaScript SVG parser and renderer on Canvas.

Heap

`AsyncIterator.prototype`, or a shared object to use.

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Isomorphic storage client for Supabase.

Use the :focus-visible pseudo-selector in CSS

JavaScript 3D library

Highly configurable, well-tested, JavaScript-based HTML minifier.

Inquirer confirm prompt

A JavaScript parser

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

A pure javascript JPEG encoder and decoder

Priority Queue

ECMAScript 5 compatibility shims for legacy JavaScript engines

JavaScript utilities with respect to emerging standard

A powerful and lightweight inversion of control container for JavaScript and Node.js apps powered by TypeScript.

An ESnext spec-compliant `Array.prototype.toReversed` shim/polyfill/replacement that works as far down as ES3.

Deque

Edit a string with the users preferred text editor using $VISUAL or $ENVIRONMENT

Carbon Charts component library

micromark extension to support MDX or MDX.js JSX

A collection of TypeScript data structures

It is a javascript library which contains almost all the data structures and algorithms.

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

A JavaScript text diff implementation.

Inquirer select/list prompt

Create and modify PDF files with JavaScript

Check what’s defined in an estree scope

Is the value an object or an array but not null?

esast utility to transform from estree

Jspreadsheet is a lightweight, vanilla javascript plugin to create amazing web-based interactive data grids with spreadsheet like controls compatible with Excel, Google Spreadsheets and any other spreadsheet software.

Parses JavaScript objects into XML

Inquirer checkbox prompt

ECMAScript parsing infrastructure for multipurpose analysis

Inquirer rawlist prompt

Inquirer password prompt

Inquirer input text prompt

Library that allow you to describe data structures by subset of JavaScript syntax and validate them at runtime

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

recma plugin to add support for parsing and serializing JSX

recma plugin to add support for parsing and serializing JSX

recma plugin to serialize JavaScript

recma plugin to transform HTML (hast) to JS (estree)

recma plugin to parse JavaScript

A pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module.

Detects the JavaScript libraries running on a page

hast utility to transform to estree (JavaScript AST) JSX

vanilla javascript input mask

Undirected Graph

List of getter/setter properties for JavaScript types

Some JavaScript and TypeScript implementation of a graph data structure. Features: - Insert and remove nodes. - Connect and disconnect nodes. - Algorithms for graph structures.

Binary Tree. Javascript & Typescript Data Structure.

List of properties for JavaScript objects

List of JavaScript types

Returns true if an object was created by the `Object` constructor, or Object.create(null).

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

Standard data structure

An autoplay plugin for Embla Carousel

CloudEvents SDK for JavaScript

Tweak React components in real time.

Javascript Redis protocol (RESP) parser

Style elements relative to other elements in CSS

[](https://www.npmjs.com/package/yamux-js) [](https://github.com/th-ch/yamux-js) [![GitHub

Feature-rich JavaScript Spreadsheet (Excel) control with built-in support for selection, editing, formatting, importing and exporting to Excel

Style form elements when they are empty

Fast, small, efficient JavaScript memoization lib to memoize JS functions

A lightweight, powerful javascript datetime picker

ModderSecure SDK for secure data and backend encryption and decryption. Provides robust AES-256 GCM encryption, secure key management, and premium features for enhanced API security and data privacy.

JavaScript Testing utilities for React

JavaScript Testing utilities for React

JavaScript diagramming library

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Classify GPU's based on their benchmark score in order to provide an adaptive experience.

An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols.

WebAssembly text format printer

OAuth 2 / OpenID Connect Client API for JavaScript Runtimes

Fast SublimeText-like fuzzy search for JavaScript

JavaScript parser, mangler/compressor and beautifier toolkit

AST utils for webassemblyjs

Share server-side state with the client-side of an Express app via JavaScript.

Fast document oriented javascript in-memory database

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

Isomorphic Javascript client for Supabase

A JavaScript plugin for entering and validating international telephone numbers

Promptbook: Run AI apps in plain human language across multiple models and platforms

Tree Multimap

Node.js library for Portable Executable format

Highly customizable notification snackbars (toasts) that can be stacked on top of each other

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

Use URI path to get or set data

test lib

Lottie and DotLottie player for the web

JavaScript client with TypeScript support for the People Data Labs API

support for asynchronous development with a Promise based task Scheduler, several different Promise implementations (synchronous, idle, asynchronous and native runtime wrappers), await helpers, and aliases all built and tested using TypeScript.

Inquirer core TS types

Official React component for Font Awesome

🚀 The OpenAPI to TypeScript codegen. Generate clients, SDKs, validators, and more.