shoelace/src/components/card/card.ts

82 wiersze
2.3 KiB
TypeScript

import { LitElement, html, unsafeCSS } from 'lit';
import { customElement, state } from 'lit/decorators.js';
import { classMap } from 'lit-html/directives/class-map';
import { hasSlot } from '../../internal/slot';
import styles from 'sass:./card.scss';
/**
* @since 2.0
* @status stable
*
* @slot - The card's body.
* @slot header - The card's header.
* @slot footer - The card's footer.
* @slot image - The card's image.
*
* @part base - The component's base wrapper.
* @part image - The card's image, if present.
* @part header - The card's header, if present.
* @part body - The card's body.
* @part footer - The card's footer, if present.
*
* @customProperty --border-color - The card's border color, including borders that occur inside the card.
* @customProperty --border-radius - The border radius for card edges.
* @customProperty --border-width - The width of card borders.
* @customProperty --padding - The padding to use for card sections.*
*/
@customElement('sl-card')
export default class SlCard extends LitElement {
static styles = unsafeCSS(styles);
@state() private hasFooter = false;
@state() private hasImage = false;
@state() private hasHeader = false;
connectedCallback() {
super.connectedCallback();
this.handleSlotChange();
}
handleSlotChange() {
this.hasFooter = hasSlot(this, 'footer');
this.hasImage = hasSlot(this, 'image');
this.hasHeader = hasSlot(this, 'header');
}
render() {
return html`
<div
part="base"
class=${classMap({
card: true,
'card--has-footer': this.hasFooter,
'card--has-image': this.hasImage,
'card--has-header': this.hasHeader
})}
>
<div part="image" class="card__image">
<slot name="image" onslotchange=${this.handleSlotChange}></slot>
</div>
<div part="header" class="card__header">
<slot name="header" onslotchange=${this.handleSlotChange}></slot>
</div>
<div part="body" class="card__body">
<slot></slot>
</div>
<div part="footer" class="card__footer">
<slot name="footer" onslotchange=${this.handleSlotChange}></slot>
</div>
</div>
`;
}
}
declare global {
interface HTMLElementTagNameMap {
'sl-card': SlCard;
}
}