JSPM

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

Tiny JavaScript tokenizer.

Core istanbul API for JS code coverage

Robustly `.call.bind()` a function

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

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

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

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

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

JavaScript parser, mangler/compressor and beautifier toolkit

A dictionary of file extensions and associated module loaders.

PostCSS for CSS-in-JS and styles in JS objects

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc

A JavaScript (JS) Map or Similar object polyfill if Map is not available.

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

Microsoft Authentication Library for js

Style form elements when they are empty

Use the :focus-visible pseudo-selector in CSS

Style elements relative to other elements in CSS

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

Microsoft Authentication Library for Node

Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.

Microsoft Authentication Library for js

A pure javascript JPEG encoder and decoder

Like `extend` but only copies missing properties/values to the target object.

Parses JavaScript objects into XML

Polyfills for React Native.

Spectacular Test Runner for JavaScript.

A convertor between XML text and Javascript object / JSON text.

micromark extension to support MDX or MDX JS expressions

micromark extension to support MDX JS import/exports

micromark extension to support MDX or MDX.js JSX

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

Utility functions

Smallest 5th gen CSS-in-JS library

estree (and esast) utility to serialize to JavaScript

A pure javascript BMP encoder and decoder

Inlines img, script and link tags into the same file.

Get the last or last n elements in an array.

Get all but the last element or last n elements of an array.

Simple JS stack with auto run for node and browsers

Some tweaks for beautifying HTML with js-beautify according to my preferences.

the last carousel you'll ever need

Mock 'http' objects for testing Express, Next.js and Koa routing functions

normalized JS Object and JSON message and event protocol for ES6+ node.js, browsers, electron, vanialla js, react.js, components, actions, stores and dispatchers

The dom helper library for zag.js machines

Focus visible polyfill utility based on WICG

estree (and esast) utility to parse from JavaScript

Sort the keys in an object.

modern-ahocorasick

Observer the size of an element over time

Raw browser/feature support data from caniuse.com

SwaggerJS - a collection of interfaces for OAI specs

Set, Get, Remove cookies on both client and server side with Next.js

A Broccoli plugin which transpile ES6 to readable ES5 by using babel.

Simple JS queue with auto run for node and browsers

Simple JS queue with auto run for node and browsers

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

Import all modules in a directory

The fastest smallest Javascript polyfill for the encode of TextEncoder and decode of TextDecoder for UTF-8 only. Made by AnonyCo with ❤️ from 🐕s.

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

browserify plugin for coffeescript with support for mixed .js and .coffee files

Binary wrapper for Flow - A static type checker for JavaScript

🌈 Light, fast, and easy to use, dependencies free javascript syntax highlighter, with automatic language detection

Set of mock modules for easy testing (fs, http)

Get a property from an object using dot (object path) notation.

The reactive store package for zag machines

Track interactions or focus outside an element

A pure typescript BMP encoder and decoder

Utilities to manage a collection of items.

The modern CSS-in-JS library

Dismissable layer utilities for the DOM

Core logic for the checkbox widget implemented as a state machine

Core logic for the select widget implemented as a state machine

Convert XML to JSON - Fast & Simple

The modern CSS-in-JS library

JS File API utilities

Dynamic positioning logic for ui machines

Core logic for the combobox widget implemented as a state machine

Core logic for the pagination widget implemented as a state machine

Core logic for the dialog widget implemented as a state machine

Core logic for the switch widget implemented as a state machine

Core logic for the tabs widget implemented as a state machine

Core logic for the tooltip widget implemented as a state machine

Core logic for the slider widget implemented as a state machine

Core logic for the tags-input widget implemented as a state machine

Core logic for the progress widget implemented as a state machine

Interationalization utilities for Zag.js

Date utilities for zag.js

Core logic for the number-input widget implemented as a state machine

JavaScript utility to remove scroll on body

Core logic for the editable widget implemented as a state machine

Core logic for the presence widget implemented as a state machine

The Karma command line interface.

Color utilities for zag.js

Hide targets from screen readers

Core logic for the tree-view widget implemented as a state machine

Core logic for the toggle widget implemented as a state machine

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.

Does a JS type's prototype have a property

Core logic for the radio group widget implemented as a state machine

Core logic for the file-upload widget implemented as a state machine

Implementing live region for screen readers

Core logic for the popover widget implemented as a state machine

Core logic for the avatar widget implemented as a state machine

Core logic for the toast widget implemented as a state machine

Does a JS type have a property

Core logic for the rating-group widget implemented as a state machine

Core logic for the menu widget implemented as a state machine

Autoresize utilities for the web

Core logic for the accordion widget implemented as a state machine

Does a JS type have a getter/setter property

Core logic for the hover-card widget implemented as a state machine

## Installation

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.

Is string a JS Type

Core logic for the pin-input widget implemented as a state machine

Core logic for the date-picker widget implemented as a state machine

Return the closest element matching a selector up the DOM tree

Core logic for the time-picker widget implemented as a state machine

Core logic for the carousel widget implemented as a state machine

Core logic for the splitter widget implemented as a state machine

Core logic for the color-picker widget implemented as a state machine

A Vite plugin that takes the CSS and adds it to the page through the JS. For those who want a single JS file.

List of getter/setter properties for JavaScript types

Highlight a portion of text in a string

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.

Add a style and an image to your QR code

Core logic for the signature-pad widget implemented as a state machine

Core logic for the collapsible widget implemented as a state machine

Core logic for the clipboard widget implemented as a state machine

Core logic for the qr-code widget implemented as a state machine

List of JavaScript types

Core logic for the steps widget implemented as a state machine

List of properties for JavaScript objects

Maintained fork of later. Determine later (or previous) occurrences of recurring schedules

Parses JavaScript objects into XML. This is a fork of the original js2xmlparser, with some additional features

A set of cookie helpers for Next.js

Core logic for the tour widget implemented as a state machine

Core logic for the timer widget implemented as a state machine

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.

Focus trap utility

Scroll snap utilities

A polyfill for Array.prototype.flat and Array.prototype.flatMap

Generates markdown API documentation from jsdoc annotated source code

Write your project's environments' configs out to JSON files.

A vanilla JS customisable text input/select box plugin

jks-js is a converter of Java Key Store (JKS) to PEM certificates in order to securely connect to Java based servers using node js.

Webpack plugin removes empty JavaScript files generated when using styles.

Build high-performance VueJS user interfaces (SPA, PWA, SSR, Mobile and Desktop) in record time

Simple templating using a config.json and regex patterns

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.

Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers

observe element's rect over time

The api for the extendable JavaScript mutation testing framework Stryker

Core logic for the toggle widget implemented as a state machine

Gracefully parse ECMAScript static imports 💃

The extendable JavaScript mutation testing framework

Librarie to format js/json objects into a YAML-style colored output. Especially useful to pretty print logs. Performant (benchmarks)

CoreUI Utilities

Create an inline source map comment from a source map

beautify whatever

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.

Arweave JS client library

Driver for connection to Databricks SQL via Thrift API.

Recursively omit empty properties from an object. Omits empty objects, arrays, strings or zero.

A micro-library for collecting stylesheet data from link and style nodes

A gulp plugin for processing files with ESLint

Microsoft Cognitive Services Speech SDK for JavaScript

Converts PCRE regexp strings to JavaScript RegExp instances

Safely evaluate JavaScript (estree) expressions, sync and async.

Checks the ECMAScript version of .js glob against a specified version of ECMAScript with a shell command

## Installation

## Installation

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

Make CSS easier and more maintainable by using JavaScript

## Installation

Core logic for the floating-panel widget implemented as a state machine

Core logic for the angle-slider widget implemented as a state machine

Make weak references to JavaScript Objects.

Returns `true` if the given `string` or `array` ends with `suffix` using strict equality for comparisons.

po2js and js2po and i18next2po and po2i18next converter gettext resource utils

A javascript QR scanner library

The most advanced responsive front-end framework in the world.

Core logic for the listbox widget implemented as a state machine

JS Search is an efficient, client-side search library for JavaScript and JSON objects

Reduces an object to a value that is the accumulated result of running each property in the object through a callback. Executes the callback function once for each own enumerable property in the object, receiving four arguments: the initial value (or valu

## Installation

xliff2js and js2xliff converter xliff utils

Seeder package for MikroORM.

Numeric range utilities

Simplify and clean up your components with this react hooks collection.

Sendbird SDK for JavaScript

Linking and unlinking of assets in your react-native app, works for fonts and sounds

fluent2js and js2fluent converter

A js mask simple like killing zombies =).

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.

Turn checkboxes and radio buttons into toggle switches.

Convert CSV to JSON

React.js Virtual Keyboard

A React cron editor with antd inspired by jqCron

 

Random image generator

fast excel formula parser

DateJS is the most full-featured, internationalized, open-source JavaScript Date Library.

Package to fix style (css/sass/less/stylus) only entries generating a extra js file.

Returns `true` if the given string or array starts with prefix using strict equality for comparisons. Using fastest implementation.

resx2js and js2resx converter resx resource utils

Responsive and slick progress bars with animated SVG paths

laravel2js and js2laravel converter laravel php resource utils

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.

tmx2js and js2tmx converter tmx utils

JavaScript polyfill for the WHATWG spec of focusOptions, that enables a set of options to be passed to the focus method.

asr2js and js2asr converter android string resource utils

> parse / stringify sql (select grammar) in js.

The more powerful JavaScript logger for NodeJS and browsers.

Postal Codes

A JavaScript package with Key Code constants

On-screen Javascript Virtual Keyboard

A vanilla JS customisable text input/select box plugin

Add .js extension to each relative ESM import and export statement in JavaScript file

A smooth 3D tilt javascript library forked from Tilt.js

Find and load configuration from a package.json property, rc file, or CommonJS module.

Minifier of js, css, html and img

A tiny JavaScript interpreter written in TypeScript.

It iterates through a graph or a tree recursively

Merge multiple files (js,css..) into single file to include somewhere

Create a new object filtered to have only properties for which the callback returns true.

Like `extend` but recursively copies only the missing properties/values to the target object.

Inline all flagged js, css, image source files

common javascript utils that can be required selectively that assume es5+

The best job scheduler for Node.js and JavaScript with cron, dates, ms, later, and human-friendly support. Works in Node v12.17.0+, uses worker threads to spawn sandboxed processes, and supports async/await, retries, throttling, concurrency, and cancelab

https://frappe.github.io/charts

Small utility that returns an array of all* tabbable DOM nodes within a containing node.

A Simple Pull To Refresh Component for React Application

## Installation

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.

BootstrapVueNext is an early and lovely component library for Vue 3 & Nuxt 3 based on Bootstrap 5 and Typescript.

Build a ternary statement

## Installation

Elegant, responsive, flexible and lightweight notification plugin with no dependencies.

Common JavaScript File Extensions

Get the index of the first element in an array that returns truthy for the given value, using strict equality for comparisons.

Check if an identifier is defined

Create property accessor/caller statements for dot paths

Do not repeat anymore your objects transformations.

Lightweight select component for React

Shave is a javascript plugin that truncates multi-line text within a html element based on set max height