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

<script lang="ts">
	import {
		TimeField,
		type TimeFieldColor,
		type TimeFieldSize,
		type TimeFieldVariant,
		type InputSnippetProps
	} from '$uix/eidos/components/time-field';
	import { compileMorfo } from '$uix/morfo';
	import { timeFieldMorfo } from '@/uix/morfo/components/time-field';
	import { getActiveUix } from '$active-uix';
	import {
		Time,
		ZonedDateTime,
		type TimeValue,
		type TimeGranularity,
		type HourCycle,
		type EditableTimeSegmentPart
	} from '$libs/days';

	type Tab = 'live' | 'api' | 'morfo' | 'sema' | 'recipe' | 'a11y';
	type TraceEntry = { event: string; family: string; intent?: string; at: number };
	type Direction = 'ltr' | 'rtl';

	const uix = getActiveUix();

	const startTime: TimeValue = new Time(9, 30, 0);
	const endTime: TimeValue = new Time(17, 45, 30);

	let tab = $state<Tab>('live');
	let trace = $state<TraceEntry[]>([]);
	let stageRef = $state<HTMLElement | null>(null);
	let value = $state<TimeValue | undefined>(startTime);
	let placeholder = $state<TimeValue>(startTime);
	let name = $state('start');
	let required = $state(true);
	let disabled = $state(false);
	let readonly = $state(false);
	let bounds = $state(true);
	let lockSeconds = $state(false);
	let granularity = $state<TimeGranularity>('minute');
	let hourCycle = $state<HourCycle>(24);
	let hideTimeZone = $state(false);
	let locale = $state('en-US');
	let dir = $state<Direction>('ltr');
	let size = $state<TimeFieldSize>('md');
	let variant = $state<TimeFieldVariant>('surface');
	let color = $state<TimeFieldColor>('primary');

	const compiled = compileMorfo(timeFieldMorfo);
	const partsList = $derived([...compiled.parts.byKebab.values()]);
	const events = $derived([...compiled.actions.byName.values()]);
	const readonlySegments = $derived<EditableTimeSegmentPart[]>(lockSeconds ? ['second'] : []);
	const valueLabel = $derived(value?.toString() ?? 'empty');

	const minValue: TimeValue = new Time(8, 0, 0);
	const maxValue: TimeValue = new Time(20, 0, 0);

	function sameValue(a: TimeValue | undefined, b: TimeValue): boolean {
		return a?.toString() === b.toString();
	}

	function setDemoValue(kind: 'start' | 'end' | 'empty'): void {
		if (kind === 'empty') {
			value = undefined;
			return;
		}
		value = kind === 'start' ? startTime : endTime;
	}

	function fmtTime(at: number): string {
		return new Intl.DateTimeFormat(undefined, {
			minute: '2-digit',
			second: '2-digit',
			fractionalSecondDigits: 2
		}).format(at);
	}

	$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();
	});

	const somaSnippet = $derived(
		[
			"<script lang='ts'>",
			"  import * as TimeField from '$soma/components/time-field';",
			"  import { Time, type TimeValue } from '$libs/days';",
			'',
			'  const placeholder = new Time(9, 30, 0);',
			'  let value = $state<TimeValue | undefined>(placeholder);',
			'</' + 'script>',
			'',
			'<TimeField.Provider',
			'  bind:value',
			'  {placeholder}',
			required && '  required',
			disabled && '  disabled',
			readonly && '  readonly',
			bounds && '  minValue={new Time(8, 0, 0)}',
			bounds && '  maxValue={new Time(20, 0, 0)}',
			granularity !== 'minute' && `  granularity="${granularity}"`,
			hourCycle !== 24 && `  hourCycle={${hourCycle}}`,
			locale !== 'en-US' && `  locale="${locale}"`,
			dir !== 'ltr' && `  dir="${dir}"`,
			lockSeconds && "  readonlySegments={['second']}",
			'>',
			'  <TimeField.Label>Start</TimeField.Label>',
			`  <TimeField.Input name="${name}" aria-label="Start time">`,
			'    {#snippet children({ segments })}',
			'      {#each segments as { part, value }, index (`${part}-${index}`)}',
			'        <TimeField.Segment {part}>{value}</TimeField.Segment>',
			'      {/each}',
			'    {/snippet}',
			'  </TimeField.Input>',
			'</TimeField.Provider>'
		]
			.filter(Boolean)
			.join('\n')
	);

	const eidosSnippet = $derived(
		[
			"<script lang='ts'>",
			"  import { TimeField } from '$uix/eidos/components/time-field';",
			"  import { Time, type TimeValue } from '$libs/days';",
			'',
			'  const placeholder = new Time(9, 30, 0);',
			'  let value = $state<TimeValue | undefined>(placeholder);',
			'</' + 'script>',
			'',
			'<TimeField',
			'  bind:value',
			'  {placeholder}',
			size !== 'md' && `  size="${size}"`,
			variant !== 'surface' && `  variant="${variant}"`,
			color !== 'primary' && `  color="${color}"`,
			required && '  required',
			disabled && '  disabled',
			readonly && '  readonly',
			bounds && '  minValue={new Time(8, 0, 0)}',
			bounds && '  maxValue={new Time(20, 0, 0)}',
			granularity !== 'minute' && `  granularity="${granularity}"`,
			hourCycle !== 24 && `  hourCycle={${hourCycle}}`,
			locale !== 'en-US' && `  locale="${locale}"`,
			dir !== 'ltr' && `  dir="${dir}"`,
			lockSeconds && "  readonlySegments={['second']}",
			'>',
			'  <TimeField.Label>Start</TimeField.Label>',
			`  <TimeField.Input name="${name}" aria-label="Start time">`,
			'    {#snippet children({ segments })}',
			'      {#each segments as { part, value }, index (`${part}-${index}`)}',
			'        <TimeField.Segment {part}>{value}</TimeField.Segment>',
			'      {/each}',
			'    {/snippet}',
			'  </TimeField.Input>',
			'</TimeField>'
		]
			.filter(Boolean)
			.join('\n')
	);
</script>

<div data-uix-canvas-inner>
	<header>
		<div data-uix-eyebrow>Forms · TimeField</div>
		<h1 data-uix-page-title>TimeField</h1>
		<p data-uix-page-lede>
			Segmented time input. Soma owns hour/minute/second editing, ARIA spinbuttons, validation
			and form submission; Eidos adds size, variant, intent color and recipe styling.
		</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>{events.length}</span>
			<span data-uix-meta-pill><span data-uix-meta-key>variants</span>3</span>
			<span data-uix-meta-pill><span data-uix-meta-key>sizes</span>5</span>
		</div>
	</header>

	<div data-uix-stage>
		<div data-uix-stage-area bind:this={stageRef}>
			<div style="inline-size: min(28rem, 100%);">
				<TimeField
					bind:value
					bind:placeholder
					{required}
					{disabled}
					{readonly}
					{readonlySegments}
					{granularity}
					{locale}
					{dir}
					{hourCycle}
					{hideTimeZone}
					{size}
					{variant}
					{color}
					minValue={bounds ? minValue : undefined}
					maxValue={bounds ? maxValue : undefined}
				>
					<TimeField.Label>Start</TimeField.Label>
					<TimeField.Input {name} aria-label="Start time">
						{#snippet children({ segments }: InputSnippetProps)}
							{#each segments as { part, value }, index (`${part}-${index}`)}
								<TimeField.Segment {part}>{value}</TimeField.Segment>
							{/each}
						{/snippet}
					</TimeField.Input>
				</TimeField>
			</div>
		</div>
		<div data-uix-stage-trace>
			<span data-uix-stage-trace-key>trace</span>
			{#if trace.length === 0}
				<span>edit or play an event to see sema stamps</span>
			{:else}
				{#each trace.slice(0, 3) as entry}
					<span
						><span data-uix-stage-trace-event>{entry.event}</span> · {entry.family}{entry.intent
							? ' · ' + entry.intent
							: ''}</span
					>
					<span style="color: var(--uix-text-faint)">{fmtTime(entry.at)}</span>
				{/each}
			{/if}
			<span style="margin-inline-start: auto;">
				<span data-uix-stage-trace-key>value</span>
				{valueLabel}
			</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</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 · {events.length}e</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>
				<span data-uix-layer-badge="soma">soma</span> owns value, segment behavior and
				validation. <span data-uix-layer-badge="eidos">eidos</span> owns only the visual
				treatment.
			</p>

			<div data-uix-subsection-head>
				<span data-uix-layer-badge="soma">soma</span> props · segmented value
			</div>
			<div data-uix-controls>
				<label data-uix-control>
					<span data-uix-control-label>value</span>
					<span data-uix-chips role="group">
						<button
							data-uix-chip
							data-active={sameValue(value, startTime)}
							onclick={() => setDemoValue('start')}>start</button
						>
						<button
							data-uix-chip
							data-active={sameValue(value, endTime)}
							onclick={() => setDemoValue('end')}>end</button
						>
						<button
							data-uix-chip
							data-active={value === undefined}
							onclick={() => setDemoValue('empty')}>empty</button
						>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>granularity</span>
					<span data-uix-chips role="radiogroup">
						{#each ['hour', 'minute', 'second'] as v}
							<button
								data-uix-chip
								data-active={granularity === v}
								onclick={() => (granularity = v as TimeGranularity)}>{v}</button
							>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>hour cycle</span>
					<span data-uix-chips role="radiogroup">
						{#each [12, 24] as v}
							<button
								data-uix-chip
								data-active={hourCycle === v}
								onclick={() => (hourCycle = v as HourCycle)}>{v}</button
							>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>name</span>
					<input type="text" bind:value={name} />
				</label>
				<label data-uix-control>
					<span data-uix-control-label>locale</span>
					<select bind:value={locale}>
						<option value="en-US">en-US</option>
						<option value="es-ES">es-ES</option>
						<option value="fr-FR">fr-FR</option>
					</select>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>direction</span>
					<span data-uix-chips role="radiogroup">
						{#each ['ltr', 'rtl'] as v}
							<button
								data-uix-chip
								data-active={dir === v}
								onclick={() => (dir = v as Direction)}>{v}</button
							>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>states</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={required} />
						<span data-uix-switch-label>required</span>
					</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={disabled} />
						<span data-uix-switch-label>disabled</span>
					</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={readonly} />
						<span data-uix-switch-label>readonly</span>
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>constraints</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={bounds} />
						<span data-uix-switch-label>min 08:00 · max 20:00</span>
					</span>
					<span data-uix-switch>
						<input type="checkbox" bind:checked={lockSeconds} />
						<span data-uix-switch-label>seconds readonly</span>
					</span>
				</label>
			</div>

			<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>size</span>
					<span data-uix-chips role="radiogroup">
						{#each ['xs', 'sm', 'md', 'lg', 'xl'] as v}
							<button
								data-uix-chip
								data-active={size === v}
								onclick={() => (size = v as TimeFieldSize)}>{v}</button
							>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>variant</span>
					<span data-uix-chips role="radiogroup">
						{#each ['surface', 'outline', 'ghost'] as v}
							<button
								data-uix-chip
								data-active={variant === v}
								onclick={() => (variant = v as TimeFieldVariant)}>{v}</button
							>
						{/each}
					</span>
				</label>
				<label data-uix-control>
					<span data-uix-control-label>color</span>
					<span data-uix-chips role="radiogroup">
						{#each ['primary', 'secondary', 'neutral', 'affirm', 'fulfill', 'risk', 'threat', 'loss'] as v}
							<button
								data-uix-chip
								data-active={color === v}
								onclick={() => (color = v as TimeFieldColor)}>{v}</button
							>
						{/each}
					</span>
				</label>
			</div>

			<div data-uix-code>
				<div data-uix-code-head>
					<span data-uix-layer-badge="soma">soma</span>
					<span>headless · segment editing + ARIA</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 · root + attached parts</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 comparison</h2>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead>
						<tr><th>Feature</th><th>React Aria</th><th>Ark</th><th>Bits</th><th>UIX</th><th>Decision</th></tr>
					</thead>
					<tbody>
						<tr><td class="name">Segmented input</td><td>yes</td><td>yes</td><td>yes</td><td>yes</td><td>Soma owns editable segments.</td></tr>
						<tr><td class="name">Granularity (hour/min/sec)</td><td>yes</td><td>yes</td><td>yes</td><td>yes</td><td>Drives which segments render.</td></tr>
						<tr><td class="name">12 / 24 hour cycle</td><td>yes</td><td>yes</td><td>yes</td><td>yes</td><td>12h adds dayPeriod (AM/PM) segment.</td></tr>
						<tr><td class="name">Validation</td><td>yes</td><td>yes</td><td>yes</td><td>yes</td><td>Custom validate + min/max.</td></tr>
						<tr><td class="name">Readonly segments</td><td>no</td><td>no</td><td>yes</td><td>yes</td><td>Per-segment lock without disabling input.</td></tr>
						<tr><td class="name">Field integration</td><td>form context</td><td>field</td><td>manual</td><td>yes</td><td>Soma integrates with Field context.</td></tr>
						<tr><td class="name">Visual variants</td><td>CSS</td><td>CSS</td><td>CSS</td><td>yes</td><td>Eidos adds canonical control variants.</td></tr>
					</tbody>
				</table>
			</div>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Prop</th><th>Owner</th><th>Default</th><th>Notes</th></tr></thead>
					<tbody>
						<tr><td class="name">value / placeholder</td><td>soma</td><td class="default">—</td><td>Bindable TimeValue.</td></tr>
						<tr><td class="name">minValue / maxValue</td><td>soma</td><td class="default">—</td><td>Validation bounds.</td></tr>
						<tr><td class="name">granularity</td><td>soma</td><td class="default">minute</td><td><code>hour</code> | <code>minute</code> | <code>second</code>.</td></tr>
						<tr><td class="name">hourCycle</td><td>soma</td><td class="default">locale</td><td>12h adds dayPeriod segment; 24h hides it.</td></tr>
						<tr><td class="name">hideTimeZone</td><td>soma</td><td class="default">false</td><td>Only affects ZonedDateTime values.</td></tr>
						<tr><td class="name">readonlySegments</td><td>soma</td><td class="default">[]</td><td>Lock individual segments (e.g. seconds).</td></tr>
						<tr><td class="name">locale / dir</td><td>soma</td><td class="default">services</td><td>Formatting + keyboard direction.</td></tr>
						<tr><td class="name">size / variant / color</td><td>eidos</td><td class="default">md / surface / primary</td><td>Visual-only data attrs.</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>Part</th><th>Marker</th><th>Element</th><th>Role</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.role ?? '—'}</td>
								<td class="default">{part.optional ? 'yes' : 'no'}</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'sema'}
		<section data-uix-section>
			<h2 data-uix-section-title>
				<span data-uix-layer-badge="sema">sema</span> · events + perceptual signature
			</h2>
			<p data-uix-section-desc>
				TimeField only declares commit events. Segment editing remains headless until the value is set.
			</p>
			<div data-uix-table-wrap>
				<table data-uix-table>
					<thead><tr><th>Name</th><th>Family</th><th>Verb</th><th>Sequence</th><th>Target</th><th>Play</th></tr></thead>
					<tbody>
						{#each events as action}
							<tr>
								<td class="name">{action.name}</td>
								<td class="type">{action.semantic.family}</td>
								<td>{action.semantic.verb ?? '—'}</td>
								<td>{action.semantic.sequence ?? 'pre'}</td>
								<td>{action.target}</td>
								<td>
									<button
										data-uix-play
										onclick={() => {
											const target = stageRef?.querySelector(
												'[data-time-field]'
											) as HTMLElement | null;
											if (!target) return;
											void uix.events?.emit({
												name: action.name,
												family: action.semantic.family,
												target
											});
										}}>▶ play</button
									>
								</td>
							</tr>
						{/each}
					</tbody>
				</table>
			</div>
		</section>
	{/if}

	{#if tab === 'recipe'}
		<section data-uix-section>
			<h2 data-uix-section-title>Eidos recipe</h2>
			<p data-uix-section-desc>
				Selectors live in <code>src/uix/eidos/components/time-field/time-field.css</code> and
				consume Soma segment state plus Eidos <code>data-size</code>,
				<code>data-variant</code> and <code>data-color</code>.
			</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-time-field]</code></td><td><span data-uix-tag data-kind="morfo">morfo</span></td><td>Root time-field contract and state.</td></tr>
						<tr><td class="name"><code>[data-time-field][data-size][data-variant][data-color]</code></td><td><span data-uix-tag data-kind="eidos">eidos</span></td><td>Visual scale, control treatment and intent palette.</td></tr>
						<tr><td class="name"><code>[data-time-field-input]</code></td><td><span data-uix-tag data-kind="morfo">morfo</span></td><td>Segment group container.</td></tr>
						<tr><td class="name"><code>[data-time-field-segment][data-placeholder][data-readonly]</code></td><td><span data-uix-tag data-kind="morfo">morfo</span></td><td>Individual segment state.</td></tr>
						<tr><td class="name"><code>[data-time-field][data-event]</code></td><td><span data-uix-tag data-kind="eidos">eidos</span></td><td>Transient perceptual event styling from Sema projection.</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">Group</td><td>Input exposes <code>role="group"</code> and an accessible name.</td></tr>
						<tr><td class="name">Segments</td><td>Editable segments expose <code>role="spinbutton"</code> with min/max/current value.</td></tr>
						<tr><td class="name">Keyboard</td><td>Arrow keys, Home/End, Backspace, digits and A/P (for dayPeriod) handled by Soma.</td></tr>
						<tr><td class="name">Announcer</td><td>Live region announces segment changes via <code>aria-valuetext</code>.</td></tr>
						<tr><td class="name">Form</td><td>Hidden input submits the ISO time string when <code>name</code> is set.</td></tr>
					</tbody>
				</table>
			</div>
		</section>
	{/if}
</div>