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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | 90x 90x 90x 90x 29x 29x | import { LitElement, html, unsafeCSS } from "lit"
import { customElement, property } from "lit/decorators.js"
import { classMap } from "lit/directives/class-map.js"
import { ifDefined } from "lit/directives/if-defined.js"
import style from "./style.scss?inline"
/**
* Available visual styles for {@link VgCard}.
*/
export type CardVariant = "elevated" | "outlined" | "subtle"
/**
* Payload emitted by the {@link VgCard | card}'s `action` event when the card is interactive.
*/
export interface CardActionDetail {
/**
* Original keyboard or pointer event initiating the action.
*/
readonly originalEvent: MouseEvent | KeyboardEvent
}
/**
* Theme-aware content container with optional header/footer slots.
*
* @tag vg-card
* @tagname vg-card
* @summary The Card component, used for displaying content in a structured container.
*
* @slot header - Optional content rendered before the body, often containing a title or metadata
* @slot - Main card body content
* @slot footer - Optional actions or supporting content rendered after the body
*
* @csspart card - Allows you to style the card container element
*
* @fires {CardActionDetail} vg-action - Fired when an interactive card is triggered
*
*/
@customElement("vg-card")
export class VgCard extends LitElement {
static styles = unsafeCSS(style)
/**
* Display heading rendered above the default slot when provided.
*/
@property({ type: String })
public heading: string | null = null
/**
* Visual variant for the card container.
*/
@property({ type: String })
public variant: CardVariant = "elevated"
/**
* Enables hover/press affordances and makes the card keyboard activatable.
*/
@property({ type: Boolean, reflect: true })
public interactive = false
/**
* @inheritdoc
*/
protected render() {
const classes = {
card: true,
[this.variant]: true,
interactive: this.interactive,
}
return html`
<article
class=${classMap(classes)}
role=${ifDefined(this.interactive ? "button" : "group")}
tabindex=${ifDefined(this.interactive ? "0" : undefined)}
@click=${this.handleClick}
@keydown=${this.handleKeydown}
>
${this.heading ? html`<header class="card__header">${this.heading}</header>` : null}
<slot name="header"></slot>
<div class="card__body">
<slot></slot>
</div>
<slot name="footer"></slot>
</article>
`
}
private handleClick(event: MouseEvent) {
Iif (I!this.interactive) {
return
}
this.dispatchAction(event)
}
private handleKeydown(event: KeyboardEvent) {
Iif (I!this.interactive) {
return
}
Iif (event.key === "Enter" || event.key === " ") {
event.preventDefault()
this.dispatchAction(event)
}
}
private dispatchAction(event: MouseEvent | KeyboardEvent) {
this.dispatchEvent(new CustomEvent<CardActionDetail>("vg-action", {
detail: { originalEvent: event },
// bubbles: true,
composed: true,
}))
}
}
declare global {
interface HTMLElementTagNameMap {
"vg-card": VgCard
}
}
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