polymerelements/paper-toggle-button

The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to write

Common (global) styles for Material Design elements.

Formats your entire project with clang-format

Utility classes to make building demo pages easier

Provide flexbox-based layouts

Utility classes to help make testing easier

Client-side dependencies for web-component-tester tests installed via npm.

Web Components Polyfills

Generate TypeScript type declarations for Polymer components.

Implements an element that has a checked attribute and can be added to a form

Common behaviors across the paper elements