feat: Card component

packages/card/LICENSE

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packages/card/README.md

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+# @vaadin/card
+
+A visual content container.
+
+> ⚠️ This component is experimental and the API may change. In order to use it, enable the feature flag by setting `window.Vaadin.cardComponent = true`.
+
+[Documentation + Live Demo ↗](https://vaadin.com/docs/latest/components/card)
+
+[![npm version](https://badgen.net/npm/v/@vaadin/card)](https://www.npmjs.com/package/@vaadin/card)
+
+```html
+<vaadin-card class="flex flex-col overflow-hidden">
+  <img
+    src="https://images.unsplash.com/photo-1519681393784-d120267933ba?ixid=MXwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHw%3D&ixlib=rb-1.2.1&auto=format&fit=crop&w=750&q=80"
+    alt="">
+  <div class="flex flex-col items-start p-m">
+    <h3>Card Title</h3>
+    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut.</p>
+    <span theme="badge">Label</span>
+  </div>
+</vaadin-card>
+```
+
+[<img src="https://raw.githubusercontent.com/vaadin/web-components/main/packages/card/screenshot.png" width="296" alt="Screenshot of vaadin-card">](https://vaadin.com/docs/latest/components/card)
+
+## Installation
+
+Install the component:
+
+```sh
+npm i @vaadin/card
+```
+
+Once installed, import the component in your application:
+
+```js
+import '@vaadin/card';
+```
+
+## Contributing
+
+Read the [contributing guide](https://vaadin.com/docs/latest/contributing) to learn about our development process, how to propose bugfixes and improvements, and how to test your changes to Vaadin components.
+
+## License
+
+Apache License 2.0
+
+Vaadin collects usage statistics at development time to improve this product.
+For details and to opt-out, see https://github.com/vaadin/vaadin-usage-statistics.

packages/card/package.json

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+{
+  "name": "@vaadin/card",
+  "version": "24.6.0-alpha8",
+  "publishConfig": {
+    "access": "public"
+  },
+  "description": "vaadin-card",
+  "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/vaadin/web-components.git",
+    "directory": "packages/card"
+  },
+  "author": "Vaadin Ltd",
+  "homepage": "https://vaadin.com/components",
+  "bugs": {
+    "url": "https://github.com/vaadin/web-components/issues"
+  },
+  "main": "vaadin-card.js",
+  "module": "vaadin-card.js",
+  "type": "module",
+  "files": [
+    "src",
+    "theme",
+    "vaadin-*.d.ts",
+    "vaadin-*.js",
+    "web-types.json",
+    "web-types.lit.json"
+  ],
+  "keywords": [
+    "Vaadin",
+    "card",
+    "web-components",
+    "web-component"
+  ],
+  "dependencies": {
+    "@vaadin/component-base": "24.6.0-alpha8",
+    "@vaadin/vaadin-lumo-styles": "24.6.0-alpha8",
+    "@vaadin/vaadin-material-styles": "24.6.0-alpha8",
+    "@vaadin/vaadin-themable-mixin": "24.6.0-alpha8",
+    "lit": "^3.0.0"
+  },
+  "devDependencies": {
+    "@vaadin/chai-plugins": "24.6.0-alpha8",
+    "@vaadin/testing-helpers": "^1.0.0",
+    "sinon": "^18.0.0"
+  },
+  "web-types": [
+    "web-types.json",
+    "web-types.lit.json"
+  ]
+}

packages/card/src/vaadin-card.d.ts

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+/**
+ * @license
+ * Copyright (c) 2024 Vaadin Ltd.
+ * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
+ */
+import { ElementMixin } from '@vaadin/component-base/src/element-mixin.js';
+import { ThemableMixin } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
+
+/**
+ * `<vaadin-card>` is a visual content container.
+ *
+ * ```html
+ * <vaadin-card>
+ *   <div>Card content</div>
+ * </vaadin-card>
+ * ```
+ */
+declare class Card extends ElementMixin(ThemableMixin(HTMLElement)) {}
+
+declare global {
+  interface HTMLElementTagNameMap {
+    'vaadin-card': Card;
+  }
+}
+
+export { Card };

packages/card/src/vaadin-card.js

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+/**
+ * @license
+ * Copyright (c) 2024 Vaadin Ltd.
+ * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
+ */
+import { css, html, LitElement } from 'lit';
+import { defineCustomElement } from '@vaadin/component-base/src/define.js';
+import { ElementMixin } from '@vaadin/component-base/src/element-mixin.js';
+import { PolylitMixin } from '@vaadin/component-base/src/polylit-mixin.js';
+import { ThemableMixin } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
+
+/**
+ * `<vaadin-card>` is a visual content container.
+ *
+ * ```html
+ * <vaadin-card>
+ *   <div>Card content</div>
+ * </vaadin-card>
+ * ```
+ *
+ * @customElement
+ * @extends HTMLElement
+ * @mixes ElementMixin
+ * @mixes ThemableMixin
+ */
+class Card extends ElementMixin(ThemableMixin(PolylitMixin(LitElement))) {
+  static get is() {
+    return 'vaadin-card';
+  }
+
+  static get styles() {
+    return css`
+      :host {
+        display: block;
+      }
+
+      :host([hidden]) {
+        display: none !important;
+      }
+    `;
+  }
+
+  static get experimental() {
+    return true;
+  }
+
+  /** @protected */
+  render() {
+    return html`<slot></slot>`;
+  }
+}
+
+defineCustomElement(Card);
+
+export { Card };