svelte-kit-vice/web/routes/uix/components/box/+page.svelte

<script lang="ts">
	import { Box, type BoxProps } from '$uix/eidos/components/box';
	import { compileMorfo } from '$uix/morfo';
	import { boxMorfo } from '@/uix/morfo/components/box';

	type Tab = 'live' | 'api' | 'morfo' | 'sema' | 'recipe' | 'a11y';
	type TraceEntry = { event: string; family: string; intent?: string; at: number };
	let tab = $state<Tab>('live');
	let trace = $state<TraceEntry[]>([]);
	let stageRef = $state<HTMLElement | null>(null);

	// ── Live state ────────────────────────────────────────────────────────
	// Box has 40+ props; we expose the most-used ones as live controls
	// and document the rest in the API table.
	let display = $state<'block' | 'flex' | 'inline-flex' | 'grid' | 'inline-grid' | 'inline' | 'inline-block' | 'contents' | 'none'>('flex');
	let padding = $state<number>(4);
	let gap = $state<number>(3);
	let width = $state<string>('');
	let height = $state<string>('');
	let overflow = $state<'visible' | 'hidden' | 'auto' | 'scroll' | 'clip' | ''>('');
	let position = $state<'static' | 'relative' | 'absolute' | 'fixed' | 'sticky' | ''>('');

	const displayOptions = ['block', 'flex', 'inline-flex', 'grid', 'inline-grid', 'inline', 'inline-block', 'contents', 'none'] as const;
	const overflowOptions = ['', 'visible', 'hidden', 'auto', 'scroll', 'clip'] as const;
	const positionOptions = ['', 'static', 'relative', 'absolute', 'fixed', 'sticky'] as const;

	const boxProps = $derived<Partial<BoxProps>>({
		display,
		padding,
		gap: gap || undefined,
		width: width || undefined,
		height: height || undefined,
		overflow: overflow || undefined,
		position: position || undefined
	});

	// ── Compiled morfo ────────────────────────────────────────────────────
	const compiled = compileMorfo(boxMorfo);
	const partsList = $derived([...compiled.parts.byKebab.values()]);
	const events = $derived([...compiled.actions.byName.values()]);

	$effect(() => {
		const el = stageRef;
		if (!el) return;
		const obs = new MutationObserver((mutations) => {
			for (const m of mutations) {
				if (m.attributeName !== 'data-event') continue;
				const target = m.target as Element;
				const ev = target.getAttribute('data-event');
				if (!ev) continue;
				trace = [
					{
						event: ev,
						family: target.getAttribute('data-event-family') ?? '—',
						intent: target.getAttribute('data-event-intent') ?? undefined,
						at: Date.now()
					},
					...trace
				].slice(0, 6);
			}
		});
		obs.observe(el, { attributes: true, subtree: true, attributeFilter: ['data-event'] });
		return () => obs.disconnect();
	});

	// ── Code snippets ─────────────────────────────────────────────────────
	const somaSnippet = $derived(
		[
			'<!-- Box is eidos-native — no soma layer. -->',
			'<!-- Equivalent semantic markup (not real soma): -->',
			'',
			'<div',
			'  data-box',
			'  style="display: var(--box-display); padding: var(--box-padding); gap: var(--box-gap);"',
			'>',
			'  …',
			'</div>'
		].join('\n')
	);

	const eidosSnippet = $derived(
		[
			"<script lang='ts'>",
			"  import { Box } from '$uix/eidos/components/box';",
			'</' + 'script>',
			'',
			'<Box',
			display !== 'flex' && `  display="${display}"`,
			padding !== 0 && `  padding={${padding}}`,
			gap > 0 && `  gap={${gap}}`,
			width && `  width="${width}"`,
			height && `  height="${height}"`,
			overflow && `  overflow="${overflow}"`,
			position && `  position="${position}"`,
			'>',
			'  …',
			'</Box>'
		]
			.filter(Boolean)
			.join('\n')
	);
</script>

<div data-uix-canvas-inner>
	<header>
		<div data-uix-eyebrow>Layout · Box</div>
		<h1 data-uix-page-title>Box</h1>
		<p data-uix-page-lede>
			Universal box-model utility — size, padding/margin, position, overflow, plus flex/grid
			<em>item</em> props (alignment, placement, order). Container-side flex/grid props (direction,
			align, justify, wrap, templateColumns, …) live in
			<a href="/uix/components/flex">&lt;Flex&gt;</a> and
			<a href="/uix/components/grid">&lt;Grid&gt;</a> — UIX follows the Radix Themes split, not the
			Chakra/MUI everything-on-Box model. Every prop maps to a <code>--box-*</code> CSS custom
			property emitted inline; unset props fall through via <code>revert-layer</code>.
			Eidos-native: no soma backing, no semantic events.
		</p>
		<div data-uix-page-meta>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>parts</span>{compiled.parts.order.length}
			</span>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>events</span>0
			</span>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>props</span>40+
			</span>
			<span data-uix-meta-pill>
				<span data-uix-meta-key>scope</span>eidos
			</span>
		</div>
	</header>

	<!-- Live preview always rendered -->
	<div data-uix-stage>
		<div data-uix-stage-area bind:this={stageRef}>
			<Box {...boxProps} style="border: 1px dashed var(--color-border-default); border-radius: var(--radius-md); min-width: 16rem;">
				<Box padding={2} style="border: 1px solid var(--color-primary-border); border-radius: var(--radius-sm); background: var(--color-primary-track); color: var(--color-primary-text);">Cell A</Box>
				<Box padding={2} style="border: 1px solid var(--color-affirm-border); border-radius: var(--radius-sm); background: var(--color-affirm-track); color: var(--color-affirm-text);">Cell B</Box>
				<Box padding={2} style="border: 1px solid var(--color-risk-border); border-radius: var(--radius-sm); background: var(--color-risk-track); color: var(--color-risk-text);">Cell C</Box>
			</Box>
		</div>
		<div data-uix-stage-trace>
			<span data-uix-stage-trace-key>trace</span>
			<span>{trace.length === 0 ? 'no semantic events' : `${trace.length} event(s)`}</span>
			<span style="color: var(--uix-text-faint)">·</span>
			<span data-uix-stage-trace-key>display</span>
			<span>{display}</span>
			<span style="margin-inline-start: auto;">
				<span data-uix-stage-trace-key>padding</span>
				{padding} · <span data-uix-stage-trace-key>gap</span> {gap}
			</span>
		</div>
	</div>

	<div data-uix-tabs role="tablist">
		<button data-uix-tab data-active={tab === 'live'} onclick={() => (tab = 'live')}>Live</button>
		<button data-uix-tab data-active={tab === 'api'} onclick={() => (tab = 'api')}>
			API <span data-uix-tab-count>40+</span>
		</button>
		<button data-uix-tab data-active={tab === 'morfo'} onclick={() => (tab = 'morfo')}>
			<span data-uix-layer-badge="morfo">morfo</span>
			<span data-uix-tab-count>{partsList.length}p · 0e</span>
		</button>
		<button data-uix-tab data-active={tab === 'sema'} onclick={() => (tab = 'sema')}>
			<span data-uix-layer-badge="sema">sema</span>
			<span data-uix-tab-count>{events.length}</span>
		</button>
		<button data-uix-tab data-active={tab === 'recipe'} onclick={() => (tab = 'recipe')}>Recipe</button>
		<button data-uix-tab data-active={tab === 'a11y'} onclick={() => (tab = 'a11y')}>A11y</button>
	</div>

	{#if tab === 'live'}
		<section data-uix-section>
			<h2 data-uix-section-title>Controls</h2>
			<p data-uix-section-desc>
				Box is eidos-native — no <span data-uix-layer-badge="soma">soma</span> split. Each prop
				maps to a <code>--box-*</code> custom property; numeric space values resolve to
				<code>var(--space-N)</code>, numeric length values to <code>{`{N}px`}</code>, strings pass
				through. Unset props fall back to the cascade via <code>revert-layer</code>.
			</p>

			<div data-uix-subsection-head>
				<span data-uix-layer-badge="eidos">eidos</span> props · visual treatment
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>display</span>
					<span data-uix-chips role="radiogroup">
						{#each displayOptions as opt}
							<button data-uix-chip data-active={display === opt} onclick={() => (display = opt)}>{opt}</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>padding <span data-uix-control-hint>0–8 → var(--space-N)</span></span>
					<input type="number" min="0" max="8" step="1" bind:value={padding} style="inline-size: 6rem;" />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>gap <span data-uix-control-hint>0–8 → var(--space-N)</span></span>
					<input type="number" min="0" max="8" step="1" bind:value={gap} style="inline-size: 6rem;" />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>width <span data-uix-control-hint>e.g. 320px, 50%, auto</span></span>
					<input type="text" placeholder="(auto)" bind:value={width} style="inline-size: 8rem;" />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>height <span data-uix-control-hint>e.g. 200px, auto</span></span>
					<input type="text" placeholder="(auto)" bind:value={height} style="inline-size: 8rem;" />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>overflow</span>
					<span data-uix-chips role="radiogroup">
						{#each overflowOptions as opt}
							<button data-uix-chip data-active={overflow === opt} onclick={() => (overflow = opt)}>{opt || '(unset)'}</button>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>position</span>
					<span data-uix-chips role="radiogroup">
						{#each positionOptions as opt}
							<button data-uix-chip data-active={position === opt} onclick={() => (position = opt)}>{opt || '(unset)'}</button>
						{/each}
					</span>
				</label>
			</div>

			<!-- ── Code snippets per layer ─────────────────────────────────── -->
			<div data-uix-code>
				<div data-uix-code-head>
					<span data-uix-layer-badge="soma">soma</span>
					<span>n/a · box is eidos-native — equivalent markup shown</span>
					<span data-uix-code-lang>svelte</span>
				</div>
				<pre><code>{somaSnippet}</code></pre>
			</div>

			<div data-uix-code style="margin-top: var(--uix-space-3);">
				<div data-uix-code-head>
					<span data-uix-layer-badge="eidos">eidos</span>
					<span>visual · every prop maps to a --box-* CSS variable</span>
					<span data-uix-code-lang>svelte</span>
				</div>
				<pre><code>{eidosSnippet}</code></pre>
			</div>
		</section>
	{/if}

	{#if tab === 'api'}
		<section data-uix-section>
			<h2 data-uix-section-title>API reference</h2>
			<p data-uix-section-desc>
				Numeric values for space props (<code>padding*</code>, <code>margin*</code>,
				<code>gap</code>) resolve to <code>var(--space-N)</code>. Numeric values for length props
				(<code>width</code>, <code>height</code>, insets) resolve to <code>{`{N}px`}</code>. String
				values pass through unchanged. <code>revert-layer</code> is the fallback for any unset prop.
			</p>

			<div data-uix-subsection-head>Sizing</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">width / minWidth / maxWidth</td><td class="type">number | string</td><td>Number → px, string passes through.</td></tr>
						<tr><td class="name">height / minHeight / maxHeight</td><td class="type">number | string</td><td>Same as width.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Spacing</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">padding / paddingX / paddingY</td><td class="type">number | string</td><td>Number → <code>var(--space-N)</code>.</td></tr>
						<tr><td class="name">paddingTop / paddingRight / paddingBottom / paddingLeft</td><td class="type">number | string</td><td>Per-side overrides; cascade <code>paddingX/Y</code> → <code>padding</code>.</td></tr>
						<tr><td class="name">margin / marginX / marginY</td><td class="type">number | string</td><td>Same as padding mapping.</td></tr>
						<tr><td class="name">marginTop / marginRight / marginBottom / marginLeft</td><td class="type">number | string</td><td>Per-side overrides.</td></tr>
						<tr><td class="name">gap</td><td class="type">number | string</td><td>Useful with display flex/grid.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Display + position</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">display</td><td class="type">block | inline | inline-block | flex | inline-flex | grid | inline-grid | contents | none</td><td>—</td></tr>
						<tr><td class="name">position</td><td class="type">static | relative | absolute | fixed | sticky</td><td>—</td></tr>
						<tr><td class="name">top / right / bottom / left</td><td class="type">number | string</td><td>Number → px.</td></tr>
						<tr><td class="name">inset / insetX / insetY</td><td class="type">number | string</td><td>Shorthand insets.</td></tr>
						<tr><td class="name">overflow / overflowX / overflowY</td><td class="type">visible | hidden | clip | scroll | auto</td><td>—</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Flex / grid item</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">flex / grow / shrink</td><td class="type">number | string</td><td>Item-side flex props.</td></tr>
						<tr><td class="name">basis</td><td class="type">number | string</td><td>Number → px.</td></tr>
						<tr><td class="name">order</td><td class="type">number</td><td>—</td></tr>
						<tr><td class="name">alignSelf</td><td class="type">auto | start | end | center | stretch | baseline</td><td>—</td></tr>
						<tr><td class="name">justifySelf</td><td class="type">auto | start | end | center | stretch</td><td>—</td></tr>
						<tr><td class="name">placeSelf</td><td class="type">string</td><td>Shorthand for align-self + justify-self.</td></tr>
						<tr><td class="name">gridColumn / gridRow</td><td class="type">string</td><td>Grid item placement. e.g. <code>"1 / 3"</code>, <code>"span 2"</code>.</td></tr>
						<tr><td class="name">gridArea</td><td class="type">string</td><td>Named grid area, e.g. <code>"header"</code>.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Escape hatch</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Type</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">style</td><td class="type">string</td><td>Extra inline CSS appended after Box's variable declarations. Use for one-offs the prop surface doesn't cover.</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Reference comparison</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Library</th><th>Closest equivalent</th><th>Difference</th></tr></thead>
					<tbody>
						<tr><td class="name">radix-themes</td><td><code>&lt;Box&gt;</code></td><td>Radix exposes spacing props as <code>p</code>/<code>px</code> shorthands; UIX uses full names. Both compile to CSS vars.</td></tr>
						<tr><td class="name">chakra-ui</td><td><code>&lt;Box&gt;</code></td><td>Chakra mixes the style-props system with theme aliases (<code>bg</code>, <code>color</code>); UIX Box is layout-only — color / typography live elsewhere.</td></tr>
						<tr><td class="name">mantine</td><td><code>&lt;Box&gt;</code></td><td>Mantine compiles styles to classnames; UIX writes inline CSS variables for transparent debugging.</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'morfo'}
		<section data-uix-section>
			<h2 data-uix-section-title>Morfo contract</h2>

			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Field</th><th>Value</th></tr></thead>
					<tbody>
						<tr><td class="name">name</td><td>{boxMorfo.name}</td></tr>
						<tr><td class="name">kebab</td><td><code>{boxMorfo.kebab}</code></td></tr>
						<tr><td class="name">scope</td><td>{boxMorfo.scope.join(', ')}</td></tr>
						<tr><td class="name">parts</td><td>{partsList.length}</td></tr>
						<tr><td class="name">events</td><td>0</td></tr>
					</tbody>
				</table>
			</div>

			<div data-uix-subsection-head>Parts</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>kebab</th><th>marker</th><th>element</th><th>archetype</th><th>optional</th></tr></thead>
					<tbody>
						{#each partsList as part}
							<tr>
								<td class="name">{part.kebab}</td>
								<td><code data-uix-part-marker>[{part.marker}]</code></td>
								<td class="type">&lt;{part.defaultElement}&gt;</td>
								<td class="type">{part.archetype}</td>
								<td class="default">{part.optional ? 'yes' : 'no'}</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>

			<p data-uix-section-desc style="margin-top: var(--uix-space-4);">
				The Provider part emits only the <code>data-box</code> marker — no states, no data
				properties, no aria attributes, no keyboard. The recipe consumes the
				<code>--box-*</code> CSS variables the component writes inline.
			</p>
		</section>
	{/if}

	{#if tab === 'sema'}
		<section data-uix-section>
			<h2 data-uix-section-title>
				<span data-uix-layer-badge="sema">sema</span> · events
			</h2>
			<p data-uix-section-desc>
				Box declares no semantic events. As a passive layout primitive, it does not commit, emerge,
				or react to anything — it just styles its children. Components that animate or change state
				on appearance should compose Box with an interactive primitive (popover, drawer,
				collapsible) that owns the relevant sema verbs.
			</p>
		</section>
	{/if}

	{#if tab === 'recipe'}
		<section data-uix-section>
			<h2 data-uix-section-title>Eidos recipe</h2>
			<p data-uix-section-desc>
				Recipe lives in <code>src/uix/eidos/components/box/box.css</code>. Every property reads
				its own <code>--box-*</code> custom property and falls back via
				<code>revert-layer</code> so consumers can mix Box with any other styling.
			</p>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Selector</th><th>Owner</th><th>Purpose</th></tr></thead>
					<tbody>
						<tr>
							<td class="name"><code>[data-box]</code></td>
							<td><span data-uix-tag data-kind="morfo">morfo</span></td>
							<td>Provider marker. Single root element emitted by the component.</td>
						</tr>
						<tr>
							<td class="name"><code>[data-box] {`{ display: var(--box-display, revert-layer); … }`}</code></td>
							<td><span data-uix-tag data-kind="eidos">eidos</span></td>
							<td>Read every <code>--box-*</code> custom property, fall back to the cascade when unset.</td>
						</tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'a11y'}
		<section data-uix-section>
			<h2 data-uix-section-title>Accessibility</h2>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Concern</th><th>Contract</th></tr></thead>
					<tbody>
						<tr><td class="name">Role</td><td>None implicit. Default element is <code>&lt;div&gt;</code> — semantically neutral. Use a semantic wrapper (<code>&lt;main&gt;</code>, <code>&lt;section&gt;</code>, <code>&lt;article&gt;</code>) around Box when content needs a landmark.</td></tr>
						<tr><td class="name">Label</td><td>Not applicable — Box has no content semantics. Labels belong to the interactive child the Box wraps.</td></tr>
						<tr><td class="name">Keyboard</td><td>Box is not focusable. Tab order follows children.</td></tr>
						<tr><td class="name">Focus visible</td><td>Box does not paint a focus ring. Focus styling belongs to the interactive children.</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}
</div>