<vaadin-combo-box>

Live Demo ↗

<vaadin-combo-box> is a Polymer element combining a dropdown list with an input field for filtering the list of items, part of the Vaadin Core Elements.

<vaadin-combo-box label="Element"
    items='["Cadmium","Caesium","Calcium","Californium","Carbon","Scandium"]'>
</vaadin-combo-box>

Contributing

1. Fork the vaadin-combo-box repository and clone it locally.

2. Make sure you have npm installed.

3. When in the vaadin-combo-box directory, run npm install to install dependencies.

Running demos and tests in browser

1. Install polyserve: npm install -g polyserve

2. When in the vaadin-combo-box directory, run polyserve --open, browser will automatically open the component API documentation.

3. You can also open demo or in-browser tests by adding demo or test to the URL, for example:

• http://127.0.0.1:8080/components/vaadin-combo-box/demo
• http://127.0.0.1:8080/components/vaadin-combo-box/test

Running tests from the command line

1. Install web-component-tester: npm install -g web-component-tester

2. When in the vaadin-combo-box directory, run wct or npm test

Following the coding style

We are using ESLint for linting JavaScript code. You can check if your code is following our standards by running gulp lint, which will automatically lint all .js files as well as JavaScript snippets inside .html files.

Creating a pull request

• Make sure your code is compliant with our code linters: gulp lint
• Check that tests are passing: npm test
• Submit a pull request with detailed title and description
• Wait for response from one of Vaadin Elements team members

License

Apache License 2.0