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import { Check, Copy } from 'lucide-react';
import type { CSSProperties } from 'react';
import { Badge } from '@/components/ui/Badge';
import type { DataTableColumn } from '@/components/ui/DataTable';
import type { HookDisplay } from '@/lib/styling-hook-groups';
import type { HookGroup, HookRow, ModeCell } from '@/lib/styling-hooks';
/**
* Cells for the Styling Hook Index tables. Previews use the resolved values
* inline (never `var()`): the site stylesheet only loads one theme, and the
* Index shows either. Previews are decorative; the values are written out.
*/
export interface CopyState {
/** The hook name last copied, while its confirmation shows. */
copied: string;
onCopy: (name: string) => void;
}
export function HookName({ row, copied, onCopy }: { row: HookRow } & CopyState) {
const isCopied = copied === row.name;
return (
<div className="hook-name">
<button
type="button"
className="code-chip hook-name__copy"
aria-label={`Copy ${row.name}`}
onClick={() => onCopy(row.name)}
>
<span>{row.name}</span>
{isCopied ? (
<Check className="hook-name__icon hook-name__icon--done" aria-hidden="true" />
) : (
<Copy className="hook-name__icon" aria-hidden="true" />
)}
{isCopied && (
<span className="hook-name__copied" aria-hidden="true">
Copied
</span>
)}
</button>
{row.deprecated && (
// TODO design review: deprecated treatment isn't in Figma yet.
// TODO: link to the replacement hooks once the page lists them.
<span className="hook-name__deprecated">
<Badge tone="warning">Deprecated</Badge>
</span>
)}
</div>
);
}
function Swatch({ color }: { color: string }) {
return <span className="hook-swatch" style={{ background: color }} aria-hidden="true" />;
}
function ColorValue({ cell }: { cell: ModeCell }) {
return (
<div className="hook-value">
<Swatch color={cell.value} />
{/* The palette name, or the raw value for colors outside the palette. */}
{cell.paletteName ? <span>{cell.paletteName}</span> : <code>{cell.value}</code>}
</div>
);
}
function Reference({ cell }: { cell: ModeCell }) {
Iif (!cell.references && !cell.resolves) return <span className="hook-muted">None</span>;
return (
<dl className="hook-reference">
{cell.references && (
<div>
<dt>References:</dt>
<dd>
<code>{cell.references}</code>
</dd>
</div>
)}
{cell.resolves && (
<div>
<dt>Resolves:</dt>
<dd>
<code>{cell.resolves}</code>
</dd>
</div>
)}
</dl>
);
}
function ShadowValue({ cell, dark }: { cell: ModeCell; dark?: boolean }) {
return (
<div className="hook-shadow">
<span
className={dark ? 'hook-shadow__preview hook-shadow__preview--dark' : 'hook-shadow__preview'}
style={{ boxShadow: cell.value }}
aria-hidden="true"
/>
<code>{cell.value}</code>
</div>
);
}
/** Spacing: the gap between two boxes. */
function Gap({ size }: { size: string }) {
return (
<span className="hook-gap" aria-hidden="true">
<span className="hook-gap__box" />
<span className="hook-gap__space" style={{ inlineSize: size }} />
<span className="hook-gap__box" />
</span>
);
}
/** Sizing: an outlined box as wide as the value. */
function Size({ size }: { size: string }) {
return (
<span className="hook-size" aria-hidden="true">
<span className="hook-size__box" style={{ inlineSize: size }} />
</span>
);
}
function Preview({ style, className, text }: { style: CSSProperties; className: string; text?: string }) {
return (
<span className={className} style={style} aria-hidden="true">
{text}
</span>
);
}
const SAMPLE = 'Aa Bb Cc 123';
// Figma column widths: hook name, color values, plain values (narrower in Sizing, for its wide previews).
const HOOK_WIDTH = '18rem';
const COLOR_WIDTH = '11rem';
const VALUE_WIDTH = '8.75rem';
const SIZING_VALUE_WIDTH = '8.75rem';
const code = (text: string | undefined) =>
text ? <code>{text}</code> : <span className="hook-muted">—</span>;
const plain = (text: string | undefined) => <span className="hook-muted">{text || '—'}</span>;
const rawColumns = (width = VALUE_WIDTH): DataTableColumn<HookRow>[] => [
{ header: 'Raw Value', width, cell: (r) => plain(r.px ?? r.light.value) },
{ header: 'Calculated Value', width, cell: (r) => plain(r.rem) },
];
/** "Regular | 400." → "Regular": the weight's name, from its description. */
function weightName(row: HookRow): string | undefined {
const name = row.description?.split('|')[0].trim();
return name && !/^font weight/i.test(name) ? name : undefined;
}
/** Whether a group's rows have References / Resolves to show behind the switch. */
export function hasReferences(group: HookGroup): boolean {
return group.display === 'color' && group.rows.some((r) => r.light.references || r.light.resolves);
}
/** The columns for a group's table, after the Styling Hook column. */
function valueColumns(group: HookGroup, showRefs: boolean): DataTableColumn<HookRow>[] {
const withDark = group.rows.some((r) => r.dark);
// Figma drops the Description column for System and Global Palettes.
const description: DataTableColumn<HookRow>[] =
group.chip === 'semantic' && group.rows.some((r) => r.description)
? [{ header: 'Description', cell: (r) => <span className="hook-description">{r.description}</span> }]
: [];
const value = (header: string, mode: (r: HookRow) => ModeCell): DataTableColumn<HookRow> => ({
header,
width: COLOR_WIDTH,
cell: (r) => <ColorValue cell={mode(r)} />,
});
const reference = (header: string, mode: (r: HookRow) => ModeCell): DataTableColumn<HookRow> => ({
header,
cell: (r) => <Reference cell={mode(r)} />,
});
const light = (r: HookRow) => r.light;
const dark = (r: HookRow) => r.dark ?? r.light;
const columnsByDisplay: Record<HookDisplay, () => DataTableColumn<HookRow>[]> = {
color: () => [
...description,
value('Light Mode Value', light),
...(showRefs ? [reference('Light Mode Reference', light)] : []),
...(withDark ? [value('Dark Mode Value', dark)] : []),
...(withDark && showRefs ? [reference('Dark Mode Reference', dark)] : []),
],
shadow: () => [
{ header: 'Light Mode', cell: (r) => <ShadowValue cell={r.light} /> },
...(withDark
? [{ header: 'Dark Mode', cell: (r: HookRow) => <ShadowValue cell={r.dark ?? r.light} dark /> }]
: []),
],
radius: () => [
{
header: 'Example',
cell: (r) => (
<Preview
className="hook-radius"
style={{ borderStartStartRadius: r.light.value, borderEndStartRadius: r.light.value }}
/>
),
},
...rawColumns(),
],
'border-width': () => [
{
header: 'Example',
cell: (r) => <Preview className="hook-border" style={{ borderWidth: r.light.value }} />,
},
{ header: 'Value', width: VALUE_WIDTH, cell: (r) => plain(r.light.value) },
],
'font-scale': () => [
{
header: 'Example',
cell: (r) => <Preview className="hook-text" style={{ fontSize: r.light.value }} text={SAMPLE} />,
},
...rawColumns(),
],
'font-weight': () => [
{
header: 'Example',
cell: (r) => <Preview className="hook-text" style={{ fontWeight: r.light.value }} text={SAMPLE} />,
},
{ header: 'Raw Value', width: VALUE_WIDTH, cell: (r) => plain(weightName(r)) },
{ header: 'Calculated Value', width: VALUE_WIDTH, cell: (r) => plain(r.light.value) },
],
'line-height': () => [
{
header: 'Example',
cell: (r) => (
<Preview
className="hook-text hook-text--lines"
style={{ lineHeight: r.light.value }}
text="Line height sets the space between lines of text in a paragraph."
/>
),
},
{ header: 'Multiplier', width: VALUE_WIDTH, cell: (r) => plain(r.light.value) },
],
spacing: () => [{ header: 'Example', cell: (r) => <Gap size={r.light.value} /> }, ...rawColumns()],
dimension: () => [
{ header: 'Example', cell: (r) => <Size size={r.light.value} /> },
...rawColumns(SIZING_VALUE_WIDTH),
],
density: () => [
{
header: 'Comfy',
cell: (r) => (
<div className="hook-density">
<Gap size={r.density?.comfy ?? r.light.value} />
{plain(r.density?.comfy ?? r.light.value)}
</div>
),
},
{
header: 'Compact',
cell: (r) =>
r.density ? (
<div className="hook-density">
<Gap size={r.density.compact} />
{plain(r.density.compact)}
</div>
) : (
plain(undefined)
),
},
{ header: 'Reference Hook', cell: (r) => code(r.density?.reference) },
],
value: () => [...description, { header: 'Value', cell: (r) => code(r.light.value) }],
};
return columnsByDisplay[group.display]();
}
export function columnsFor(group: HookGroup, showRefs: boolean, copy: CopyState): DataTableColumn<HookRow>[] {
return [
{ header: 'Styling Hook', width: HOOK_WIDTH, cell: (r) => <HookName row={r} {...copy} /> },
...valueColumns(group, showRefs),
];
}
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