carbon-design-system / Carbon Web Components
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A Carbon Design System variant that's as easy to use as native HTML elements, with no framework tax, no framework silo.
Carbon is an open-source design system built by IBM. With the IBM Design Language as its foundation, the system consists of working code, design tools and resources, human interface guidelines, and a vibrant community of contributors.
carbon-web-components
carbon-web-components is a variant of Carbon Design System with Custom Elements v1 and Shadow DOM v1 specs.
The effort stems from https://github.com/carbon-design-system/issue-tracking/issues/121. If you are interested in this project, adding 👍 to the description of that GH issue, or even contributing, will be greatly appreciated!
- Getting started
- Getting started with development
- Running React/Angular/Vue Storybook demo
- List of available components
- Browser support
- Coding conventions
- Creating build
- Running unit test
- Running build integration test
Getting started
To install carbon-web-components in your project, you will need to run the
following command using npm:
npm install -S carbon-web-components carbon-components lit-html lit-element
If you prefer Yarn, use the following command instead:
yarn add carbon-web-components carbon-components lit-html lit-element
Basic usage
Our example at CodeSandbox shows the most basic usage:
The first thing you need is setting up a module bundler to resolve ECMAScript imports. Above example uses Webpack. You can use other bundlers like Rollup, too.
Once you set up a module bundler, you can start importing our component modules, like:
import 'carbon-web-components/es/components/dropdown/dropdown.js';
import 'carbon-web-components/es/components/dropdown/dropdown-item.js';
Once you do that, you can use our components in the same manner as native HTML tags, like:
<bx-dropdown trigger-content="Select an item">
<bx-dropdown-item value="all">Option 1</bx-dropdown-item>
<bx-dropdown-item value="cloudFoundry">Option 2</bx-dropdown-item>
<bx-dropdown-item value="staging">Option 3</bx-dropdown-item>
<bx-dropdown-item value="dea">Option 4</bx-dropdown-item>
<bx-dropdown-item value="router">Option 5</bx-dropdown-item>
</bx-dropdown>
If you just want to try our components for demonstrations, etc., you can use CDNs that support module mapping (e.g. JSPM). With it, you can just import our modules in <script type="module">:
<!DOCTYPE html>
<html>
<head>
<script type="module">
import 'https://jspm.dev/carbon-web-components/es/components/dropdown/dropdown.js';
import 'https://jspm.dev/carbon-web-components/es/components/dropdown/dropdown-item.js';
</script>
<style type="text/css">
#app {
font-family: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
width: 300px;
margin: 2rem;
}
bx-dropdown:not(:defined),
bx-dropdown-item:not(:defined) {
visibility: hidden;
}
</style>
</head>
<body>
<div id="app">
<bx-dropdown trigger-content="Select an item">
<bx-dropdown-item value="all">Option 1</bx-dropdown-item>
<bx-dropdown-item value="cloudFoundry">Option 2</bx-dropdown-item>
<bx-dropdown-item value="staging">Option 3</bx-dropdown-item>
<bx-dropdown-item value="dea">Option 4</bx-dropdown-item>
<bx-dropdown-item value="router">Option 5</bx-dropdown-item>
</bx-dropdown>
</div>
</body>
</html>
Angular
Angular users can use our components in the same manner as native HTML tags, too, once you add CUSTOM_ELEMENTS_SCHEMA schema to your Angular module, like:
import { CUSTOM_ELEMENTS_SCHEMA, NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
@NgModule({
schemas: [CUSTOM_ELEMENTS_SCHEMA],
declarations: [AppComponent],
imports: [BrowserModule],
bootstrap: [AppComponent],
})
export class AppModule {}
The .d.ts files in carbon-web-components package are compiled with TypeScript 3.7. You can use TypeScript 3.7 in your Angular application with upcoming Angular 9.0 release, or with the following instructions, so your application can use those .d.ts files:
- Set
truetoangularCompilerOptions.disableTypeScriptVersionCheckintsconfig.json - In
polyfills.ts, change__importDefaultTypeScript helper as follows:window.__importDefault = mod => (mod?.__esModule ? mod : { default: mod })
React
You can use wrapper React components in carbon-web-components/es/components-react generated automatically from the custom elements which allows you to use our components seamlessly in your React code. Here's an example:
import React from 'react';
import { render } from 'react-dom';
import BXDropdown from 'carbon-web-components/es/components-react/dropdown/dropdown.js';
import BXDropdownItem from 'carbon-web-components/es/components-react/dropdown/dropdown-item.js';
const App = () => (
<BXDropdown triggerContent="Select an item">
<BXDropdownItem value="all">Option 1</BXDropdownItem>
<BXDropdownItem value="cloudFoundry">Option 2</BXDropdownItem>
<BXDropdownItem value="staging">Option 3</BXDropdownItem>
<BXDropdownItem value="dea">Option 4</BXDropdownItem>
<BXDropdownItem value="router">Option 5</BXDropdownItem>
</BXDropdown>
);
render(<App />, document.getElementById('root'));
Note: Using the React wrapper requires an additional dependency, prop-types.
To run the wrapper React components in SSR environment requires Node 12.16.3 or above that supports "conditional mapping" feature:
Same Node version requirement applies to Next.js:
Vue
Vue users can use our components in the same manner as native HTML tags, without any additional steps!
Other usage guides
- Having components participate in form
- Using custom styles in components
- Using
carbon-web-componentswith old build toolchain
Getting started with development
- Fork this repository and clone it
yarn installyarn wca && yarn storybook
Running React/Angular/Vue Storybook demo
- React:
yarn storybook:react(Live demo: https://web-components.carbondesignsystem.com/react/index.html) - Angular:
yarn storybook:angular(Live demo: https://web-components.carbondesignsystem.com/angular/index.html) - Vue:
yarn storybook:vue(Live demo: https://web-components.carbondesignsystem.com/vue/index.html)
List of available components
View available web components at: https://web-components.carbondesignsystem.com/. You can see usage information in several ways:
- Going to Docs tab, where it shows the usage and available attributes, properties and custom events.
- Clicking the KNOBS tab at the bottom and changing values there. Most knobs are shown as something like
Button kind (kind), wherekindis the attribute name - Clicking the ACTION LOGGER tab at the bottom and interacting with the selected component. You may see something like
bx-modal-closedwhich typically indicates that an event with such event type is fired. You can also expand the twistie to see the details of the event
Browser support
- Latest Chrome/Safari/FF ESR
- IE/Edge support is bast-effort basis
- Some components may not be supported
To support IE, you need a couple additional setups:
- Toolstack to re-transpile our code to ES5 (e.g. by specifying IE11 in
@babel/preset-envconfiguration) - Polyfills, listed here
Here's an example code that shows such setup:
Coding conventions
Can be found at here.
Creating build
> yarn clean
> yarn build
You'll see the build artifacts in /path/to/carbon-web-components/es directory.
Running unit test
You can run unit test by:
> gulp test:unit
You can run specific test spec by:
> gulp test:unit -s tests/spec/dropdown_spec.ts
You can choose a browser (instead of Headless Chrome) by:
> gulp test:unit -b Firefox
You can keep the browser after the test (and re-run the test when files change) by:
> gulp test:unit -b Chrome -k
You can prevent code coverate instrumentation code from being generated by:
> gulp test:unit -d
You can update snapshots by:
> gulp test:unit --update-snapshot
Above options can be used together. This is useful to debug your code as you test:
> gulp test:unit -s tests/spec/dropdown_spec.ts -b Chrome -d -k
Running build integration test
You can run build integration test by:
> yarn test:integration:build
You can run a specific set of UI test steps (e.g. running tests/integration/build/form-angular_steps.js only) by:
> yarn test:integration:build form-angular_steps
By default Chrome runs in headless mode. You can show Chrome UI by:
> CI=false yarn test:integration:build
Running UI integration test
You can run UI integration test by:
> yarn test:integration:ui
You can run a specific set of UI test steps (e.g. running tests/integration/ui/dropdown_steps.js only) by:
> yarn test:integration:ui dropdown_steps
By default Chrome runs in headless mode. You can show Chrome UI by:
> CI=false yarn test:integration:ui