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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 | 1x 1x 1x 1x | import type { JSX } from "react";
import {
type SkeletonBuiltinProps,
type SkeletonTextBuiltinProps,
type SkeletonCardBuiltinProps,
} from "@grackle-ai/common";
import styles from "./Skeleton.module.scss";
// ─── Skeleton (base shimmer block) ───────────────────────────────────────────
// Data props (width/height/borderRadius/variant, line counts) are inferred from
// the built-ins' zod schemas in @grackle-ai/common so the GenUX catalog can't
// drift from these components; `className` is the only styling-hook extra.
/** Props for the {@link Skeleton} component. */
interface SkeletonProps extends SkeletonBuiltinProps {
/** Additional CSS class name. */
className?: string;
}
/**
* Animated shimmer placeholder that indicates loading content.
* Renders a decorative `<div>` with a gradient sweep animation.
*/
export function Skeleton({
width = "100%",
height = "1rem",
borderRadius,
variant = "rectangular",
className,
}: SkeletonProps): JSX.Element {
const classNames = [
styles.skeleton,
variant === "circular" ? styles.circular : "",
className ?? "",
]
.filter(Boolean)
.join(" ");
return (
<div
className={classNames}
style={{
width,
height,
...(borderRadius && variant !== "circular" ? { borderRadius } : {}),
}}
aria-hidden="true"
data-testid="skeleton"
/>
);
}
// ─── SkeletonText (multi-line text placeholder) ──────────────────────────────
/** Props for the {@link SkeletonText} component. */
interface SkeletonTextProps extends SkeletonTextBuiltinProps {
/** Additional CSS class name. */
className?: string;
}
/**
* Multi-line skeleton text placeholder. Renders `lines` shimmer blocks
* with the last line at a shorter width to simulate trailing text.
*/
export function SkeletonText({
lines = 3,
lastLineWidth = "60%",
lineHeight = "0.75rem",
gap = "var(--space-sm)",
className,
}: SkeletonTextProps): JSX.Element {
return (
<div
className={`${styles.textContainer} ${className ?? ""}`}
style={{ gap }}
aria-hidden="true"
data-testid="skeleton-text"
>
{Array.from({ length: lines }, (_, i) => (
<Skeleton
key={i}
width={i === lines - 1 && lines > 1 ? lastLineWidth : "100%"}
height={lineHeight}
/>
))}
</div>
);
}
// ─── SkeletonCard (card-shaped placeholder) ──────────────────────────────────
/** Props for the {@link SkeletonCard} component. */
interface SkeletonCardProps extends SkeletonCardBuiltinProps {
/** Additional CSS class name. */
className?: string;
}
/**
* Card-shaped skeleton placeholder matching the standard card layout.
* Contains a title-width shimmer block and body text lines.
*/
export function SkeletonCard({ lines = 2, className }: SkeletonCardProps): JSX.Element {
return (
<div
className={`${styles.card} ${className ?? ""}`}
aria-hidden="true"
data-testid="skeleton-card"
>
<Skeleton width="40%" height="1.25rem" />
<SkeletonText lines={lines} />
</div>
);
}
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