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.

Custom Elements V0 API

Web Components &amp; Custom Elements Community Version

Web Components &amp; Custom Elements for Professional Web Applications

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

Insert custom elements (html tags) in ckeditor5

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

Web Components &amp; Custom Elements for Professional Web Applications

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

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.

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

Better default styles for common input elements

Components for the DOM as you've never seen before

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

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

Utility for building HTML custom elements

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

A minimalistic, framework agnostic, lazy Custom Elements loader

Smart HTML Elements Core

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

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

JSX-render for custom elements

A lightweight web component that traps focus within a DOM node

Easy error subclassing and stack customization

Make your own error types!

Custom Elements like callbacks for any node

richer JavaScript errors

Smart HTML Elements Community

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

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

Common runtime for the custom szn-* elements.

A ultra light library for writing custom elements

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

Wrap your component up as a custom element

Use Custom Selectors in CSS

Use Custom Media Queries in CSS

Use Custom Properties Queries in CSS

A rollup plugin for building author-elements web components.

Correctly declare progressive enhancements for CSS Custom Properties.

Cross-browser `CustomEvent` constructor

Callbacks for when elements are added or removed from the DOM

A custom HTMLElement that manages and runs code-test elements

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

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

Listr verbose renderer

Custom Elements for web build on Angular Framework

A completely customizable framework for building rich text editors.

Use Happy DOM as environment in Jest.

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

Simple implementation of Form Associated Custom Elements.

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

Router for custom elements. The same like react-router

custom elements for bytesize icons

A full-featured polyfill for customized built-in elements

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

Easy Web Components in ~1kB

Make your own nested error types!

Create custom JavaScript errors that also match instanceof.

Chakra UI ControlBox component

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

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

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

Web component implementation of charts elements from Chart.js library

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

Wrap your component up as a custom element

VirtualElement.js - a lighterhtml based virtual elements for building web applications

A builtin-elements based µce alternative

JQX Custom Element Base

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

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

Listr verbose renderer

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 scrollbars component

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

A Minimalistic Custom Elements Helper

A stylelint rule to disallow usage of unknown custom properties

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

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

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

Simple Custom Elements.

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

Indent strings.

Custom configurable props for React or HTML elements

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

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

Collection of awesome react hooks

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

React scrollbars component

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

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.

OverlayScrollbars for React.

Create custom commands using plain-old functions

The best React custom scrollbars component

It makes simple throw qualified errors.

Handy Moment.js filters for your Vue.js project

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

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

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

Text and TextInput with mask for React Native applications

Lightweight emoji picker distributed as a web component

Use custom defined elements in HTML

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

Utility to extend existing ESLint rules

Validate the name of a custom element

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

A tiny library to create custom errors in JavaScript.

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

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

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.

Simple implementation of Custom Elements.

Custom elements library for Angular4

Add directives to custom elements

Yaml input field with validation and syntax highlighting as React Component

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

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

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.

High-quality Web Components with a small footprint

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

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

A lightweight web component that traps focus within a DOM node

HTML based userinterface with preconfigured elements. Can be used to create your own userinterface

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

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

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

OverlayScrollbars for Vue.

React scrollbars component

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

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

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

Custom elements to express dates in relative format and be updated dynamically.

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.

A highly accessible, customizable and lightweight dialog.

HTML5 HTMLElement.dataset ponyfill

A responsive sass grid library built with flexbox

An approach to microfrontends via custom elements and module isolation

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

A custom React hook for adding keyboard shortcuts to your application

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

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

library providing means to work conveniently with HTML based Web Components

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

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

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

Enforce usage of custom media queries in CSS

Properly create error classes

3kb microframework for creating reactive custom elements using lit-html

React scrollbars component

richer JavaScript errors

Create custom error classes

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

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

Barebones code to generate a uid of custom length

Customizable React roulette wheel with spinning animation

GrapesJS component for the embed of custom code

A thin wrapper around the debug logging package

Listen for native and custom DOM events

Angular custom directives for validation

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

Customizable, extensible, accessible and framework agnostic media player.

Server-side render your web components.

OverlayScrollbars for Angular.

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

A customizable step component written in Svelte

Collection of Custom Elements

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

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

Generate a function that returns a constant.

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

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

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

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

accessible virtual custom elements

Adds fallbacks to your CSS var() functions

Rating Custom Element. Intended as plug and play HTML element to enable custom rating. For in-browser usage.

Custom elements provided by the SDK

React bindings for the Vime media player.

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

Front End Custom Elements

Handy Pluralize filters for your Vue project

Create an entire web theme.

OverlayScrollbars for Solid.

Custom scrollbars with native scrolling

Custom hash generator (based on MD5 algorithm)

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

simple custom scrollbar made by svelte

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

PowerBI Custom Visuals webpack plugin

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

A SkateJS renderer for Lit HTML.

CustomEvent ponyfill

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

well-formatted, extendable pino logger for hapi.js

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

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

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

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.

A SkateJS renderer for Preact.

Tailwind CSS plugin that exposes Tailwind colors as custom CSS properties

A stylelint rule to disallow usage of unknown custom properties

The most complete Snowflake ID generator in TypeScript

MarqueeContent provides a set of tools for creating dynamic and adaptive ticker animations on web pages using GSAP and ScrollTrigger.

Set of helpful functions and types for Custom Card creators

OverlayScrollbars for Svelte.

Manager for running foreign and potentionally dangerous scripts in the cluster

Run Python on n8n.

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

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 simple and fully customizable React checkbox input component.

Sanity plugin to upload and preview inline SVGs

React component for custom scrollbars with native scrolling

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

Nominal types for better typesafety

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

File Drop Custom Element

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

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

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

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+).

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

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

🧩 Create flavoured string template interpolation

> > A very lightweight PostCSS plugin to strip comments. No configuration available at this time.

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

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

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

library for all form elements

🕸️ Template file preprocessor for progressively enhancing web components.

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

Custom ESLint rules for enforcing best practices

Custom marker overlay for the @agm/core package

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

marked extension template

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

lerna cli with custom command extensions, forked with official [lerna](https://www.npmjs.com/package/lerna)

catch errors in your hapi application and display the appropriate error message/page

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

Custom error object.

Fully configured form generator via JSON data with a custom template for each attribute + onChange events.

Custom element for GitHub corner