JSPM

A custom element for extending the native media elements (<audio> or <video>)

lighterhtml based custom elements builtins

Validates custom element names according to the custom elements spec

An extensible class to define hyperHTML based Custom Elements

All inclusive customElements polyfill for every browser

A baseline UI as Mixins, Custom Elements, React Components, etc.

Web Components &amp; Custom Elements for Professional Web Applications

Custom Elements V0 API

A small web component to enhance scrollable elements with dynamic scroll indicators.

This webpack plugin will rename all custom elements in a project, adding a suffix, a prefix, or both.

Web Components &amp; Custom Elements Community Version

Insert custom elements (html tags) in ckeditor5

Web Components &amp; Custom Elements for Professional Web Applications

Components for the DOM as you've never seen before

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

Better default styles for common input elements

A Minimalistic Custom Elements Helper

A minimalistic, framework agnostic, lazy Custom Elements loader

Define custom elements without worrying about having to find a unique name for them.

Create native Custom Elements using Typescript without using any third party libraries

A lightweight web component that traps focus within a DOM node

Easy error subclassing and stack customization

Make your own error types!

TextSlicer is designed to split text within an HTML element into separate words and/or characters, wrapping each word and/or character in separate span elements.

richer JavaScript errors

A custom html element that renders javascript objects as a collapsible tree-like structure of nested detail elements.

A cross-browser polyfill for the Custom Elements portion of the W3C Web Components specification.

Use custom elements in your React components without resorting to hacks.

TypeScript types for building type-safe Web Components with proper type checking for custom elements.

Use Custom Selectors in CSS

Use Custom Properties Queries in CSS

Wrap your component up as a custom element

Use Custom Media Queries in CSS

Correctly declare progressive enhancements for CSS Custom Properties.

Cross-browser `CustomEvent` constructor

Use Happy DOM globally in a Node.js environment for testing.

Auto resize drop-down select elements to match the width of the selected option and customize it with CSS

Heroic. Reactive. Declarative. Type safe. Web components without compromise.

Custom Elements made available for any node, and through CSS selectors

Listr verbose renderer

A completely customizable framework for building rich text editors.

Utility for building HTML custom elements

A MutationObserver inspired observer for Custom Elements like mutations on any DOM element

Use Happy DOM as environment in Jest.

A ultra light library for writing custom elements

When Elements

JSX-render for custom elements

Easy Web Components in ~1kB

[](https://coveralls.io/github/WebReflection/builtin-elements?branch=main)

Chakra UI ControlBox component

Make your own nested error types!

Smart HTML Elements Community

Create custom JavaScript errors that also match instanceof.

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

Custom webpack builders for Angular build facade. Allow to modify Angular build configuration without ejecting it

easier than regex string matching patterns for urls and other strings. turn strings into data or data into strings.

Custom authentication strategy for Passport.

An in-place pre-processor for javascript files using C style pre-compile syntax to compose custom builds from npm-packages

React scrollbars component

[](https://travis-ci.org/WebReflection/babel-plugin-transform-builtin-classes) [![donate](https://img.shields.io/badge/$-donate-ff69b4.svg?maxAge=

A stylelint rule to disallow usage of unknown custom properties

A full-featured polyfill for customized built-in elements

Listr verbose renderer

Sass component for customizing the input range using the native properties of each browser.

Inline SVGs in CSS. Supports SVG Fragments, SVG Parameters.

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

<symbol> that can be used to declare custom inspect functions.

React scrollbars component

Create custom commands using plain-old functions

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

React component to generate a QR Code customizable with logo and more properties

A Serverless plugin to define IAM Role statements as part of the function definition block

Helps you create a custom element w/ a HTMLMediaElement API.

Collection of awesome react hooks

Indent strings.

OverlayScrollbars for React.

Wrap your component up as a custom element

The best React custom scrollbars component

Handy Moment.js filters for your Vue.js project

This repo gives you the bare minimum you'd need in an environment that doesn't support Custom Elements or Shadow DOM natively. It gives you support for the V1 APIs of each respectively and ensures all their polyfill dependencies are met all through a sing

Light DOM custom element wrapper for Svelte 3 and 4 with slots, context and Vite HMR support

It makes simple throw qualified errors.

jest html reporter (results processor) to view HTML jest results, save raw JSON, and invoke multiple reporters

Text and TextInput with mask for React Native applications

Validate the name of a custom element

A small, fast and crossbrowser custom scrollbar with native system scroll mechanic.

Lightweight emoji picker distributed as a web component

Performance-aware simple logger for React-Native with namespaces, custom levels and custom transports (colored console, file writing, etc.)

A lightweight blazing-fast internationalization (i18n) library for your next web-based project

Utility to extend existing ESLint rules

A tiny library to create custom errors in JavaScript.

A custom html element that provides sorting and management for custom task-card elements.

A module for sending responses from lambda-funciton backed custom resources in AWS CloudFormation

A custom html element that that provides a query input to filter a collection of html elements.

Custom elements library for Angular4

An efficient and fast web component that gives you a beautiful masonry layout

Custom env is a library built to make development more feasible by allowing multiple .env configurations for different environments.

Yaml input field with validation and syntax highlighting as React Component

JSON parser and stringifier for custom numbers (e.g. BigInt)

High-quality Web Components with a small footprint

The remark plugin for supporting custom heading id also including default id

A web component for wrapping multiple components as a single field.

Modal component that can be customized with everything like DOM elements, text or an other component

A rollup plugin for building author-elements web components.

VirtualDOM abstraction layer - give yourself better integration and full control over the DOM with any virtual DOM library that uses a Hyperscript-like API such as React and Preact.

Skate is a library built on top of the W3C web component specs that enables you to write functional and performant web components with a very small footprint.

A free light weight jQuery plugin that allows you to create a custom drop down with images and description.

A react native component with the same concept of react native's SegmantedControlIOS, Primarily built to support both IOS and Android.

Custom esbuild builders for Angular build facade. Allow to modify Angular build configuration without ejecting it

A highly optimized pure JS implementation of Range Slider for React Native

React scrollbars component

uelements provides a functional way of defining custom elements

My custom eslint rules in addition to the ones provided at http://eslint.org/

OverlayScrollbars for Vue.

A custom html element that makes all of its child elements selectable by clicking on them.

This library implements functions to use the adopted style of web components for multiple themes.

A custom React hook for adding keyboard shortcuts to your application

Print on Epson, Star, Tranca, Daruma, Brother and Custom thermal printers with Node.js

A custom html element that provides layout and management for custom task-list elements.

Dev server generic builder for Angular build facade. Allows to run custom builder in serve target

Doesn't throw an error when JSON.parse() fails, just returns undefined

A angular(4+) select dropdown for single select or multiselct module.

Simple implementation of Form Associated Custom Elements.

GrapesJS component for the embed of custom code

HTML5 HTMLElement.dataset ponyfill

Enforce usage of custom media queries in CSS

Properly create error classes

assertion library that throws user-specified error types (accepts error class and message)

An Angular custom module that contains foundation elements for buildmotion Angular applications. Basically, the framework for buildmotion NG.

Helps you construct a custom string parser, for times when you need something more procedural than regex.

A highly accessible, customizable and lightweight dialog.

A base custom element class with a reliable `parsedCallback` method

An async/await module for sending responses from lambda-funciton backed custom resources in AWS CloudFormation

Barebones code to generate a uid of custom length

Easily generate "custom" error objects with addition properties which can be stringfied with JSON.stringify

Customizable React roulette wheel with spinning animation

Create custom error classes

React scrollbars component

A lightweight web component that traps focus within a DOM node

Angular custom directives for validation

Creates interoperable custom elements

A simple React Native component that takes an array of data and renders a SectionList with alphabetically sorted data.

Collection of Custom Elements

A simple and highly versatile design system using element-vir.

Set nested values on an object using a dot path or custom separator

OverlayScrollbars for Angular.

Creates an object composed of the picked object properties from a nested object using a dot path or custom separator

Customizable, extensible, accessible and framework agnostic media player.

Create an entire web theme.

Filter an array using any combination of scalars, object queries, functions or regular expressions.

Get a property from a nested object using a dot path or custom separator

A responsive sass grid library built with flexbox

A customizable step component written in Svelte

richer JavaScript errors

Generate RegExp for delimiters, to be used with templates, files or data streams.

Adds fallbacks to your CSS var() functions

Custom elements provided by the SDK

Custom Elements like callbacks for any node

Generate a function that returns a constant.

Load modules, link modules to another module-names, manage access to custom / local scripts as modules

simple custom scrollbar made by svelte

Server-side render your web components.

custom elements for bytesize icons

React bindings for the Vime media player.

Font loader optimized for maximum performance. Removes render-blocking font resources and loads them asynchronusly. Handle FOUT & FOUC with font loading status watcher. Supports both local-hosted fonts and web fonts.

Listen for native and custom DOM events

A Serverless plugin that makes creation of per function IAM roles easier

A Serverless plugin to define IAM Role statements as part of the function definition block

A thin wrapper around the debug logging package

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. It includes many web standards from WHATWG DOM and HTML.

Custom hash generator (based on MD5 algorithm)

Handy Pluralize filters for your Vue project

AngularJS directive to use Material Design icons with custom fill color and size.

🧩 Create flavoured string template interpolation

vue 2 google map custom marker component allowing display custom html content on google map using gmap-vue

Custom scrollbars with native scrolling

A simple and fully customizable React checkbox input component.

Common runtime for the custom szn-* elements.

Tailwind CSS plugin that exposes Tailwind colors as custom CSS properties

A better error-handler for Lad and Koa. Makes `ctx.throw` awesome (best used with koa-404-handler)

Module for creating connect-style middlewares. Dependency-free. Runs in the browser and node.js

PowerBI Custom Visuals webpack plugin

The Configuration Management library for your JavaScript application

well-formatted, extendable pino logger for hapi.js

Create a promise that can be resolved and rejected outside of it

this is a tiny library for making single and multiple select elements decent looking - Highly customizable

OverlayScrollbars for Svelte.

A SkateJS renderer for Preact.

Typed errors that closely emulate the native Error class.

Sopplayer is a sleek and feature-rich HTML5 video player that enhances the visual experience of videos on web pages. It offers compatibility across devices and browsers, supporting various video formats. With intuitive controls and customizable options, S

A lightweight, modular and stand-alone JavaScript implementation of a string formatting function that supports composite format strings, globalization and customization

Create framework agnostic components that are truly reusable and interoperable with all the benefits of the React ecosystem – using the HTML5 custom elements API to extend HTML's vocabulary.

React component for custom scrollbars with native scrolling

😲 Create custom reaction pickers and counters or use your favorites!

Sanity plugin to upload and preview inline SVGs

Simple implementation of Custom Elements.

A SkateJS renderer for Lit HTML.

CustomEvent ponyfill

Snap page when user stops scrolling, with a customizable configuration and a consistent cross browser behaviour

 [](https://www.npmjs.com/package/theme-custom-properties) [![](https://img.shields.io/github/lic

Nominal types for better typesafety

The most complete Snowflake ID generator in TypeScript

Custom ESLint rules for enforcing best practices

Manager for running foreign and potentionally dangerous scripts in the cluster

Implementation of one of @kevinpschaaf proposal for Redux/Custom Elements integration.

Configurable custom GraphQL Scalars (string, number, date, etc) with sanitization / validation / transformation in TypeScript.

OverlayScrollbars for Solid.

A stylelint rule to disallow usage of unknown custom properties

Mongoose plugin to use String _id and by default will generate 16-char base64 string representation of ObjectId.

A configurable custom input number type for GraphQL with sanitization and validation.

This repository contains an Angular > 2 version of [angular-cron-jobs](http://angular-cron-jobs.github.io/angular-cron-jobs).

TypeDoc theme that adds some useful options (header links, custom style and script, ability to create files etc)

Base class for all author-* custom elements (web components).

React scrollbars component

Quickly mock various console methods in Vitest and track their calls with custom matchers

'Extensible Error Class' implementation and predefined additional error types for javascript

Knockout bindings to Twitter Bootstrap 3

Loader module for webpack to execute your custom procedure. It works as your custom loader.

A delightfully simple theme system for docsify.js. Features multiple themes with rich customization options, an improved desktop and mobile experience, and legacy browser support (IE11+).

File Drop Custom Element

Custom marker overlay for the @agm/core package

Web component implementation of charts elements from Chart.js library

Custom Playwright reporter that generates a Markdown file documenting app features based on test cases

Customizable String Formatter

marked extension template

This plugin makes sure that your custom elements always have a name property, even after minifying.

Alternative to JSON.stringify() that supports altering the behavior of the stringification process at string level

🕸️ Template file preprocessor for progressively enhancing web components.

Custom configurable props for React or HTML elements

Add arbitrary custom callbacks to sequelize

Tiny module implementing a pool of connect-style domain-agnostic middleware layers. Runs in the browser and node.js

Simple customizable Vue.js timepicker component

A highly customizable vuejs tree

data-cy shorthand notation for cypress get and find functions

Add Custom fonts support to jsPDF

Set of helpful functions and types for Custom Card creators

Custom error object.

A powerful web component router

Simple, precise, and chainable React Custom PropTypes.

A fully customizable rating component for react and next.js

Pure javascript mask plugin to use anywhere you like

Generic errors with common http codes

Node.js module providing utility functions for AWS Cloudformation Custom Resources.

Mongoose ES Map object support

Export custom media queries, custom properties, custom property sets, and custom selectors from CSS as JavaScript variables

n8n node to detect if something changed between the current execution and the previous one.

Simple yet highly customizable console logger for node.js. Supports templating output, custom log levels, custom log types, and colored output.

Run Python on n8n.

Custom-made npm UI Component.

Callbacks for when elements are added or removed from the DOM