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<granite-qrcode-generator>

A custom element to generate and render a QR Codes, using qr.js library

Built on lit-element following the open-wc recommendation.

The old Polymer 2.x-1.x version is available on the polymer-hybrid branch.

Installation

npm i @granite-elements/granite-qrcode-generator

Usage

<script type="module">
  import 'granite-qrcode-generator/granite-qrcode-generator.js';
</script>

<granite-qrcode-generator 
    data="https://github.com/lostinbrittany/granite-elements"
    mode="alphanumeric"
    auto></granite-qrcode-generator>

Linting with ESLint, Prettier, and Types

To scan the project for linting errors, run

npm run lint

You can lint with ESLint and Prettier individually as well

npm run lint:eslint
npm run lint:prettier

To automatically fix many linting errors, run

npm run format

You can format using ESLint and Prettier individually as well

npm run format:eslint
npm run format:prettier

Testing with Karma

To run the suite of karma tests, run

npm run test

To run the tests in watch mode (for TDD, for example), run

npm run test:watch

Demoing with Storybook

To run a local instance of Storybook for your component, run

npm run storybook

To build a production version of Storybook, run

npm run storybook:build

Tooling configs

For most of the tools, the configuration is in the package.json to reduce the amount of files in your project.

If you customize the configuration a lot, you can consider moving them to individual files.

Local Demo with es-dev-server

npm start

To run a local development server that serves the basic demo located in demo/index.html

Contributing

  1. Fork it!
  2. Create your feature branch: git checkout -b my-new-feature
  3. Commit your changes: git commit -m 'Add some feature'
  4. Push to the branch: git push origin my-new-feature
  5. Submit a pull request :D

License

MIT License

About

A webcomponent to render a QR Code

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