Validate XML, Parse XML, Build XML without C/C++ based libraries

ECMAScript extensions and shims

Lightweight debugging utility for Node.js and the browser

Runtime library for TypeScript helper functions

Tiny millisecond conversion utility

Escape RegExp special characters

RFC4122 (v1, v4, and v5) UUIDs

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

Array#isArray for older browsers

Brand checking of React Elements.

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications.

Node.js Buffer API, for the browser

babel's modular runtime helpers

Lodash modular utilities.

Promise based HTTP client for the browser and node.js

HTTP server cookie parsing and serialization

Read/write IEEE754 floating point numbers from/to a Buffer or array-like object

Check if a value is a plain object

ES2015 `Object.assign()` ponyfill

Base64 encoding/decoding in pure JS

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

A tiny (116 bytes), secure URL-friendly unique string ID generator

Node's event emitter for all engines.

Determine if an object is a Buffer

A library for deep (recursive) merging of Javascript objects

Port of jQuery.extend for node.js and the browser

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

process information for node.js and browsers

React package for working with the DOM.

The lodash method `_.debounce` exported as a module.

Parse, validate, manipulate, and display dates

The core `url` packaged standalone for use with Browserify.

Modern JavaScript date utility library

2KB immutable date time library alternative to Moment.js with the same modern API

[](https://www.npmjs.com/package/@aws-sdk/middleware-user-agent) [](https://www.npmjs.c

A tiny (239B) utility for constructing className strings conditionally.

emotion's memoize utility

Copies non-react specific statics from a child component to a parent component

A pure JS implementation SHA256.

Helper functions

unist utility to check if a node passes a test

unist utility to recursively walk over nodes, with ancestral information

invariant

An object of css properties that don't accept values with units

unist utility to visit nodes

Convert bytes to a human readable string: 1337 → 1.34 kB

A simple utility for conditionally joining classNames together

[](https://www.npmjs.com/package/@aws-sdk/middleware-signing) [](https://www.npmjs.com/packag

A Light–weight CSS Preprocessor

mdast utility to get the plain text content of a node

Symbol.observable ponyfill

A function to check whether a prop is valid for HTML and SVG elements

Parse and stringify URL query strings

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

unist utility to serialize a node, position, or point as a human readable location

A simple common HTTP client specifically for Google APIs and services.

A browser UTF-8 string <-> UInt8Array converter

A MurmurHash2 implementation

A Query Language and Runtime which can target any service.

A react component toolset for managing animations

A window.fetch polyfill.

Provides functions for detecting if the host environment supports the WebCrypto API

SHA256 wrapper for browsers that prefers `window.crypto.subtle` but will fall back to a pure JS implementation in @aws-crypto/sha256-js to provide a consistent interface for SHA256.

Provides functions and types for detecting if the host environment is IE11

vfile utility to create a virtual message

Lightweight browser detector

Tooltip and Popover Positioning Engine

serialization utils for emotion

Create your next immutable state by mutating the current one

Floating UI for the web

parse, inspect, transform, and serialize content through syntax trees

internal utils for emotion

Virtual file format for text processing

Positioning library for floating elements: tooltips, popovers, dropdowns, and more

A stricter URI encode adhering to RFC 3986

A memoization library which only remembers the latest invocation

emotion's cache

Declarative routing for React

emotion's stylesheet

[](https://www.npmjs.com/package/@aws-sdk/util-locate-window) [](https://www.npmjs.com/packag

Map of named character references

A memoization function that uses a WeakMap

Lodash exported as ES modules.

Predictable state container for JavaScript apps

Declarative routing for React web applications

Parse and stringify space separated tokens

Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.

A mirror of Facebook's Warning

remark plugin to add support for parsing markdown input

Parse and display moments in any timezone.

implementation of crypto for the browser

A simple, lightweight JavaScript API for handling cookies

`trough` is middleware

Throw a given error

Node's querystring module for all engines. (ES3 compat fork)

> Simple styling in React.

small commonmark compliant markdown parser with positional info and concrete tokens

mdast utility to parse markdown

Selectors for Redux.

Official React bindings for Redux

Links recognition library with FULL unicode support

Like lodash isEqualWith but for shallow equal.

Info on the properties and attributes of the web platform

A tiny warning function

Parse and stringify comma-separated tokens

mdast utility to find definition nodes in a tree

Manage session history with JavaScript

Parse CSS inline style to JavaScript object.

Micro subset of unicode data files for markdown-it projects.

micromark utility to handle character codes

unist utility to get the position of a node

A JavaScript template literal tag that parses GraphQL queries

Count how often a character (or substring) is used in a string

An inline style parser.

mdast utility to transform to hast

Topological sort of directed ascyclic graphs (like dependecy lists)

internal utils shared across @vue packages

styled API for emotion

mdast utility to serialize markdown

Dead simple Object schema validation

micromark factory to parse markdown space (found in lots of places)

CSS for the <Component> Age. Style components your way with speed, strong typing, and flexibility.

Copy stuff into clipboard using JS with fallbacks

[](https://www.npmjs.com/package/@aws-sdk/protocol-http) [](https://www.npmjs.com/package/@aws-sdk/prot

Thunk middleware for Redux.

i18next internationalization framework

tiny util for getting and setting deep object props safely

Toggle current selected content in browser

Bare minimum fetch polyfill in 500 bytes

The lodash method `_.throttle` exported as a module.

Performant, flexible and extensible forms library for React Hooks

micromark utility to splice and push with giant arrays

micromark utility to decode numeric character references

The CommonMark markdown constructs

micromark utility to tokenize subtokens

micromark utility to resolve subtokens

micromark utility to classify whether a character is whitespace or punctuation

micromark utility normalize identifiers (as found in references, definitions)

micromark utility to decode markdown strings

micromark factory to parse markdown whitespace (found in lots of places)

micromark factory to parse labels (found in media, definitions)

micromark factory to parse destinations (found in resources, definitions)

micromark factory to parse markdown titles (found in resources, definitions)

micromark utility to combine syntax or html extensions

micromark utility with list of html tag names

A Select control built with and for ReactJS

A custom build of Stylis

Thin wrapper around zen-observable and @types/zen-observable, to support ESM exports as well as CommonJS exports

Official library to use Popper on React projects

unist utility to check if a node is generated

A React helper hook for scheduling a layout effect with a fallback to a regular effect for environments where layout effects should not be used (such as server-side rendering).

A kickass library to manage your poppers

TypeScript implementation of invariant(condition, message)

Converts binary buffers to and from lowercase hexadecimal encoding

[](https://www.npmjs.com/package/@aws-sdk/smithy-client) [](https://www.npmjs.com/package/@aws-sdk/smit

An Implementation of ES Observables

[](https://www.npmjs.com/package/@aws-sdk/config-resolver) [](https://www.npmjs.com/package/@aws-sd

https://en.wikipedia.org/wiki/Trie

Utility functions for React components.

[](https://www.npmjs.com/package/@aws-sdk/url-parser) [](https://www.npmjs.com/package/@aws-sdk/url-parser)

Hyphenates a camelcased CSS property name

Generate a markdown (GFM) table

Structural equality checking for JavaScript values

[](https://www.npmjs.com/package/@aws-sdk/middleware-serde) [](https://www.npmjs.com/package/@aws

Provides a way to make requests

[](https://www.npmjs.com/package/@aws-sdk/invalid-dependency) [](https://www.npmjs.com/packag

Decode named character references

MUI System is a set of CSS utilities to help you build custom designs more efficiently. It makes it possible to rapidly lay out custom designs.

AWS SDK for JavaScript Cognito Identity Client for Node.js, Browser and React Native

hast utility to check if a node is inter-element whitespace

Private - The React theme context to be shared between `@mui/styles` and `@mui/material`.

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

styled() API wrapper package for emotion.

Determines the length of a request body in browsers

remark plugin that turns markdown into HTML to support rehype

Manage contextual information needed by (a)synchronous tasks without explicitly passing objects around

Composable reactive caching with efficient invalidation.

unist utility to create a new trees with a nice syntax

mdast utility to find and replace text in a tree

The official, opinionated, batteries-included toolset for efficient Redux development

A fully-featured caching GraphQL client.

micromark extension to support GFM tables

mdast extension to parse and serialize GFM tables

micromark extension to support GFM strikethrough

mdast extension to parse and serialize GFM strikethrough

micromark extension to support GFM autolink literals

mdast extension to parse and serialize GFM autolink literals

micromark extension to support GFM task list items

mdast extension to parse and serialize GFM task list items

Simple HTML5 drag-drop zone with React.js

micromark extension to support GFM (GitHub Flavored Markdown)

mdast extension to parse and serialize GFM (GitHub Flavored Markdown)

remark plugin to support GFM (autolink literals, footnotes, strikethrough, tables, tasklists)

JavaScript implementation of the "accept" attribute for HTML5 <input type="file">

Convert DataTransfer object to a list of File objects

Switches between unfetch & node-fetch for client & server.

React component to render markdown

The lodash method `_.uniqBy` exported as a module.

textarea component for React which grows with content

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype and Typanion

300B to deep clone JavaScript objects

A lib for generating Style Sheets with JavaScript.

An onClickOutside wrapper for React components

A pure JS Base64 <-> UInt8Array converter

A simple and reusable datepicker component for React

Simple check to see if current app is running in browser

CSS vendor prefix detection and property feature testing.

A React helper hook for storing latest value in ref object (updated in useEffect's callback).

Global styles for JSS

JSS plugin that enables support for nested selectors

JSS plugin that allows to write camel cased rule properties

JSS plugin that adds default custom unit to numeric values where needed

JSS plugin for function value and rule syntax

JSS plugin that handles vendor prefixes in the browser

JSS plugin that ensures style properties extend each other instead of override

React hook which creates a ref function from given refs. Useful when using forwardRef.

Thread-safe Helmet for React 16+ and friends

Finite State Machines and Statecharts for the Modern Web.

An enterprise-class UI design language and React components implementation

Universal cookies for JavaScript

Spectrum UI components in React

Material-UI Utils - Utility functions for Material-UI.

Hooks for managing, caching and syncing asynchronous and remote data in React

Utilities for working with GraphQL ASTs

Flexible, lightweight transport layer for GraphQL

React components that implement Google's Material Design.

base abstract trigger component for react

Dynamic script loading for browser

Material-UI System - Design system for Material-UI.

Material-UI Styles - The styling solution of Material-UI.

Find URLs, email addresses, #hashtags and @mentions in plain-text strings, then convert them into HTML <a> links.

Amazon Cognito Identity Provider JavaScript SDK

Material Design Svg Icons converted to Material-UI React components.

Wrappers for Redux DevTools Extension.

Detect device type and render your component according to it

Core category of aws-amplify

A React component for playing a variety of URLs, including file paths, YouTube, Facebook, Twitch, SoundCloud, Streamable, Vimeo, Wistia and DailyMotion

Auth category of aws-amplify

HTTP transport layer for GraphQL

i18n for ISO 3166-1 country codes

The official Mixpanel JavaScript browser client library

The default theme for chakra components

Recoil - A state management library for React

Make beautiful, animated loading skeletons that automatically adapt to your app.

Error Apollo Link for GraphQL Network Stack

A React hook for changing properties or visibility of a component based on css media query

Responsive, theme-based style props for building design systems with React

A simple yet functional GraphQL client.

React Native for Web

Social media share buttons and share counts for React.

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

React component for Feather icons

Eclipse Paho JavaScript MQTT client for Browsers

Compiles a function to compute the plural forms index for a given value

Deduplicates queries that are currently on the wire

React component to format currency in an input or as a text.

RMWC base module