HMH Lit-Element Starter Kit

Starter repository for building Polymer/lit-element-based web components.

Technology Stack

• Polymer Lit-Element as base class for building native custom elements.
• Lit-HTML as templating library.
• Typescript.
• Extensible development server with support for bare ECMAScript imports.
• Custom mocha-based unit test framework with code coverage: lit-element-tester.

Getting started

1. Fork this repository

2. Install dependencies

npm install

3. Run the watch script (should be continuously running in the background)

npm run watch

4. In another terminal window, run the development server

npm start

5. Open your browser at the given location to view your component documentation and demo pages.

6. You can also execute the unit test suite

npm test

Add your own components

You can add your own components in the src/components/ directory. Add the associated unit tests in the src/unit/ directory.