Coral Spectrum 
A JavaScript library of Web Components following Spectrum design patterns.
Showcase
Component Examples
To see all components in action. These are only examples and don't cover all scenarios.
API References
Covers the API for all components including properties, events and more.
Playground
Experiment and preview code with the latest Coral Spectrum version. Code can be shared by copy pasting the URL. The playground is sandboxed to prevent security risks.
Spectrum
The current default theme is is an implementation of the Spectrum design specifications, Adobe’s design system. Spectrum provides elements and tools to help product teams work more efficiently, and to make Adobe’s applications more cohesive.
Coral Spectrum leverages the Spectrum CSS framework to style components including the Spectrum SVG icons.
Angular, React, Vue.js compatibility
Our vision is to create consistent Adobe experiences by providing a complete, easy to use library of HTML components compatible with major frameworks.
To reach the goal, Coral Spectrum derives from Custom Elements v1 with native support thanks to broad collaboration between browser vendors. The use of custom elements gives us the ability to hide many implementation details from the consumer, allowing much more freedom to change the underlying markup that supports those elements. This makes the exposed API smaller and more explicit, resulting in a lower risk of updates to Coral Spectrum needing to introduce breaking changes.
Browser support
Coral Spectrum is designed to support the following browsers:
- Chrome (latest)
- Safari (latest)
- Firefox (latest)
- Edge (latest)
- IE 11
- iOS 7+
- Android 4.4+
Theme (light, dark, lightest, darkest)
The default Coral Spectrum styles cascade from coral--light, coral--lightest, coral--dark and coral--darkest theme, so that class must be specified at a higher level.
<body class="coral--light">
<!-- light theme -->
<div class="container"></div>
<div class="coral--dark">
<!-- dark theme -->
</div>
</body>Large scale support
For mobile, Spectrum has a larger scale that enables larger tap targets on all controls. To enable it, the class coral--large must be specified at a higher level.
<body class="coral--light coral--large">
<!-- light theme -->
<!-- large scale -->
</body>Built-in Accessibility and Keyboard support
Having an inaccessible application can mean thousands of dollars of fines if you land a government contract. It also means alienating an entire segment of society by making your application completely unusable to them. To help you avoid this, we’ve made it a rule that every Coral Spectrum component should be accessible.
Internationalization support
Coral Spectrum provides a robust internal system for internationalization of its strings. This is done via an internal Adobe process.
Supported languages are :
| Language family | Language tag | Language variant |
|---|---|---|
| English | en-US | American English |
| French | fr-FR | Standard French |
| German | de-DE | Standard German |
| Italian | it-IT | Standard Italian |
| Spanish | es-ES | Castilian Spanish |
| Portuguese | pt-BR | Brazilian Portuguese |
| Japanese | ja-JP | Standard Japanese |
| Korean | ko-KR | Standard Korean |
| Chinese | zh-CN | Mainland China, simplified characters |
| Chinese | zh-TW | Taiwan, traditional characters |
| Dutch | nl-NL | Netherlands Dutch |
| Danish | da-DK | Standard Danish |
| Finnish | fi-FI | Standard Finnish |
| Norwegian | no-NO | Standard Norwegian |
| Swedish | sv-SE | Standard Swedish |
| Czech | cs-CZ | Standard Czech |
| Polish | pl-PL | Standard Polish |
| Russian | ru-RU | Standard Russian |
| Turkish | tr-TR | Standard Turkish |
Using Coral Spectrum
Easiest way via a CDN
The easiest way to consume Coral Spectrum is to use a CDN e.g. copy these lines into your html file.
<head>
<!-- 4.x.x means latest major 4 version release, adjust version if you need a specific one -->
<link rel="stylesheet" href="https://unpkg.com/@adobe/[email protected]/dist/css/coral.min.css">
<script src="https://unpkg.com/@adobe/[email protected]/dist/js/coral.min.js" data-coral-icons-external="js"></script>
</head>
<body class="coral--light">
<button is="coral-button" icon="add">My Button</button>
</body> Copying the distribution files
You can download a packaged/published version of @adobe/coral-spectrum from npm:
npm pack @adobe/coral-spectrum
After you've unzipped the downloaded package, look for the dist folder and :
- Copy the files from
dist/css,dist/jsanddist/resourcesin your project. - Reference the files in your page e.g
<link rel="stylesheet" href="css/coral.min.css">
<script src="js/coral.min.js"></script>Including entire library with a bundler like parcel
npm install @adobe/coral-spectrum
then in your main js, use:
require("@adobe/coral-spectrum/dist/js/coral.js");
require("@adobe/coral-spectrum/dist/css/coral.css");
Including only the components you need
If your project only requires a few components, you can use a module bundler like Webpack to only import the components needed. Below is an example of a Webpack config:
const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const OptimizeCssAssetsPlugin = require('optimize-css-assets-webpack-plugin');
module.exports = {
mode: 'production',
devtool: 'source-map',
entry: './src/index.js',
output: {
filename: 'bundle.min.js',
path: path.resolve(__dirname, 'dist')
},
module: {
rules: [
{
test: /\.js$/,
use: {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-env']
}
}
},
{
test: /\.svg$/,
use: [
{
loader: 'file-loader',
options: {
name: 'icons/[name].[ext]'
},
},
]
},
{
test: /\.css$/,
use: [MiniCssExtractPlugin.loader, 'css-loader']
}
]
},
plugins: [
new MiniCssExtractPlugin({
filename: 'style.min.css'
}),
new OptimizeCssAssetsPlugin({
assetNameRegExp: /style\.min\.css$/g,
cssProcessor: require('cssnano'),
cssProcessorPluginOptions: {
preset: ['default', { discardComments: { removeAll: true } }],
}
})
]
}; Then in your index.js file, you can import and use single components :
// Import Component
import {Button} from '@adobe/coral-spectrum/coral-component-button';
const button = new Button();If icons are not displayed, ensure the path to the styles and icons are set e.g. :
<link rel="stylesheet" href="dist/style.min.css">
<script data-coral-icons="dist/icons/" src="dist/bundle.min.js"></script>If icons still do not display, you can try setting them to display as inline SVGs, instead of external resources. Coral Spectrum will default to external resources on browsers other than IE11. Using the previous example, this option can be set with:
<link rel="stylesheet" href="dist/style.min.css">
<script data-coral-icons="dist/icons/" data-coral-icons-external="off" src="dist/bundle.min.js"></script>Note: Calendar, Clock and Datepicker components will leverage moment.js if available.
Contributing
Check out the contributing guidelines.
Building and Testing
Run the following commands first :
npm install -g gulp-cli
npm install
You can use below tasks to get started:
gulpto generate the build in thedistfolder and run the dev server onlocalhost:9001by default.gulp buildto generate the build in thedistfolder.gulp devto run the dev server onlocalhost:9001by default.gulp testto run the tests. Test reports are indist/coverage.gulp docsto build the documentation indist/documentation.gulp axeto run the accessibility checks.
Each component can be built independently e.g. cd coral-component-button && gulp.
Releasing
We are currently releasing this package on npm.
Before we get started, clean up your dependencies with the following command :
git checkout master
rm -rf node_modules && npm install
Then run gulp release. You'll be asked to bump the version (minor version bump by default). Coral Spectrum is following
semantic versioning (either patch, minor or major).
The command will take care of increasing, tagging the version and publishing the package to npm.
If everything went well, run gulp deploy to publish the documentation on the gh-pages branch else revert the version bump.
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