Press n or j to go to the next uncovered block, b, p or k for the previous block.
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import { notFound } from 'next/navigation';
import { HeroSplit } from '@/components/HeroSplit';
import { STYLE_PREVIEW_ENABLED } from '@/lib/dev-tools';
import { getLinkIcon, linkIconNames } from '@/lib/link-icons';
import { renderMarkdownString } from '@/lib/markdown';
import doDontExample from '@/assets/do-dont-example.svg';
import { PreviewLabel, PreviewLayout, PreviewSection, type PreviewTocItem } from '../preview-ui';
export const metadata: Metadata = {
title: 'Style Preview — Page Layouts',
};
const IMG_HERO = 'https://res.cloudinary.com/hl955tqfo/image/upload/slds2-site/content/ce85ba5490e3c902.jpg';
const IMG_CARD_1 =
'https://res.cloudinary.com/hl955tqfo/image/upload/slds2-site/content/0d4e5b9b2be33178.jpg';
const IMG_CARD_2 =
'https://res.cloudinary.com/hl955tqfo/image/upload/slds2-site/content/086294c77570ee00.jpg';
const IMG_CARD_3 =
'https://res.cloudinary.com/hl955tqfo/image/upload/slds2-site/content/3474219b263e9b07.jpg';
const DO_DONT_IMAGE = doDontExample.src;
// A real story from content/styling-api/text.md, so the chrome shows its theme toggle and open link.
const STORYBOOK_URL =
'https://slds2-metadata-stories-54d63ecb6c29.herokuapp.com/iframe.html?id=utilities-with-code-text--body-size-default';
const TOC: PreviewTocItem[] = [
{ id: 'content-blocks', text: 'Content blocks' },
{ id: 'blockquote', text: 'Blockquote' },
{ id: 'lists', text: 'Lists' },
{ id: 'code', text: 'Code' },
{ id: 'rule', text: 'Rule' },
{ id: 'image', text: 'Image' },
{ id: 'do-dont', text: "Do / Don't" },
{ id: 'callouts', text: 'Callouts' },
{ id: 'cards', text: 'Cards' },
{ id: 'link-tiles', text: 'Link tiles' },
{ id: 'data-tables', text: 'Data tables' },
{ id: 'accordion', text: 'Accordion' },
{ id: 'video-embed', text: 'Video embed' },
{ id: 'hero-banner', text: 'Hero banner' },
{ id: 'hero-split', text: 'Hero split' },
{ id: 'storybook', text: 'Storybook embed chrome' },
];
/*
* Each sample is real markdown rendered through the content pipeline, so the
* preview shows exactly what a directive emits in page content.
*/
const MD = {
contentBlocks: `# Heading level 1
A paragraph of body copy with an [inline content link](#), some **strong / bold text**, and an \`inline code span\` to show the mono treatment. This is inside \`.content-blocks\`.
## Heading level 2
Body copy following an h2.
### Heading level 3
Body copy following an h3.
#### Heading level 4
Body copy following an h4.
##### Heading level 5
Body copy following an h5.
###### Heading level 6
Body copy following an h6.`,
blockquote: '> “A blockquote styled with the brand-vivid left border and italic foreground text.”',
lists: `### Unordered list
- First bullet item in the list
- Second bullet item, a little longer to show wrapping and line height
- Third bullet item
### Ordered list
1. First numbered step
2. Second numbered step
3. Third numbered step`,
inlineCode:
'Replace hard-coded values with the `--spacing-4` token, then run `npm run build` to verify the change.',
fencedCode: `\`\`\`js
function greet(name) {
return \`Hello, \${name}!\`;
}
console.log(greet("SLDS"));
\`\`\``,
rule: '---',
imageFull: `::image{src="${IMG_CARD_1}" alt="Example one-column image" size="1" caption="This is the caption of an image. Captions are centered under the image, use foreground-subtle at text-size-xxs, and never span the full width."}`,
imageLeft: `::image{src="${IMG_CARD_2}" alt="Example two-column image, left" size="2" align="left" caption="This is the caption of an image."}
A two-column image is placed in one column while the body copy fills the opposite column. Because it floats, the surrounding paragraph text wraps naturally alongside it. Keep writing and the text continues to flow beside the image until it clears the bottom edge, at which point the copy returns to the full content width.
A second paragraph continues the flow to show how longer passages behave next to a half-width, floated image on the left.`,
imageRight: `::image{src="${IMG_CARD_3}" alt="Example two-column image, right" size="2" align="right" caption="This is the caption of an image."}
With \`align="right"\` the image sits in the right column and the body text flows down the left. This is the mirror of the left variant and uses the same half-width sizing and radius 3xl.`,
doDont: `:::do-dont
::do{image="${DO_DONT_IMAGE}" alt="Do example" text="Do open a builder in a new browser tab with a utility bar."}
::dont{image="${DO_DONT_IMAGE}" alt="Don't example" text="Don't open a builder in the same page."}
:::`,
callouts: `:::callout{type="info"}
Info callout — general information the reader should notice.
:::
:::callout{type="success"}
Success callout — confirms something worked or is recommended.
:::
:::callout{type="warning"}
Warning callout — proceed with care.
:::
:::callout{type="error"}
Error callout — something is wrong or unsupported.
:::`,
cards: `:::card-grid{columns="3"}
::card{title="Admins" description="Adopt Salesforce Cosmos to get the new design." href="#" image="${IMG_CARD_1}"}
::card{title="Designers" description="Connect to essential components and tools." href="#" image="${IMG_CARD_2}"}
::card{title="Developers" description="Access the framework for building scalable interfaces." href="#" image="${IMG_CARD_3}"}
:::
:::card-grid{columns="2"}
::card{title="Best Practices" description="Follow Best Practices to keep components accessible, performant, and consistent." href="#"}
::card{title="Guidelines" description="Usage guidance that keeps experiences consistent across the system." href="#"}
:::
:::card-grid{columns="1"}
::card{title="Single-column card with image" description="A one-per-row card grid — the media sits beside the body on wide viewports." href="#" image="${IMG_CARD_2}"}
::card{title="Single-column card, no image" description="Follow Best Practices to keep components accessible, performant, and consistent." href="#"}
:::`,
linkTiles: `:::link-grid{columns="1"}
::link-card{title="Start using our Figma Kits" href="#" icon="Figma" description="Follow best practices to ensure your components are accessible, performant, and consistent with the design system."}
::link-card{title="Browse the component library" href="#" icon="Components" description="Every component, documented with usage guidance, props, and live examples."}
::link-card{title="Read the foundations" href="#" description="Tokens, color, typography, and spacing that anchor the system."}
:::
:::link-grid{columns="3"}
::link-card{title="Get Started" href="#" icon="Rocket" description="Set up your environment and ship your first component."}
::link-card{title="Components" href="#" icon="Components" description="Browse the full library of accessible components."}
::link-card{title="Foundations" href="#" description="Tokens, color, typography, and spacing that anchor the system."}
:::
:::link-grid{columns="2"}
::link-card{title="Accessibility" href="#" description="Build inclusive experiences that meet WCAG standards."}
::link-card{title="Setup" href="#" description="Configure your project to consume the design system."}
:::`,
accordion: `::::accordion
:::accordion-item{title="Where can I reference content for SLDS 1?"}
The Salesforce Lightning Design System 1 (SLDS 1) website has migrated to make space for SLDS 2. You can find all SLDS 1 content at [v1.lightningdesignsystem.com](https://v1.lightningdesignsystem.com/).
:::
:::accordion-item{title="How do I adopt the new styling hooks?" open}
Replace hard-coded values with the global tokens documented on the Global Values tab, then layer component-level hooks on top where you need per-component overrides.
:::
:::accordion-item{title="Does this work in dark mode?"}
Yes — every color is a semantic token, so accordions flip automatically with the active theme.
:::
::::`,
storybook: `::component-demo{storybook="${STORYBOOK_URL}" title="Utilities With Code Text - Body Size Default" height="160"}`,
};
const TABLE_VARIANTS = [
{ variant: 'lines', caption: '1 · Horizontal row lines (default)' },
{ variant: 'dividers', caption: '2 · Row + column dividers' },
{ variant: 'plain', caption: '3 · No lines (header row underlined)' },
];
const tableMarkdown = (attrs: string) => `:::table{${attrs}}
| Token | Value | Usage |
| --- | --- | --- |
| --spacing-2 | 8px | Compact gaps |
| --spacing-4 | 16px | Default block gap |
| --spacing-6 | 24px | Section spacing |
:::`;
const TABLES = [
...TABLE_VARIANTS.map(({ variant, caption }) => ({ caption, attrs: `variant="${variant}"` })),
...TABLE_VARIANTS.map(({ variant, caption }) => ({
caption: `${caption} + outline`,
attrs: `variant="${variant}" outline`,
})),
];
/** Rendered markdown inside `.content-blocks`. Trusted, in-repo strings rendered at build time. */
function Markdown({ html, className }: { html: string; className?: string }) {
return (
<div
className={['content-blocks', 'style-preview__content', className].filter(Boolean).join(' ')}
dangerouslySetInnerHTML={{ __html: html }}
/>
);
}
export default async function PageLayoutsPage() {
if (!STYLE_PREVIEW_ENABLED) notFound();
const keys = Object.keys(MD) as (keyof typeof MD)[];
const rendered = await Promise.all(keys.map((k) => renderMarkdownString(MD[k])));
const html = Object.fromEntries(keys.map((k, i) => [k, rendered[i]])) as Record<keyof typeof MD, string>;
const tablesHtml = await Promise.all(TABLES.map((t) => renderMarkdownString(tableMarkdown(t.attrs))));
const iconNames = linkIconNames();
return (
<PreviewLayout
heading="Page Layouts"
lead="Everything you can add from markdown page content — prose, content directives, and page-header chrome. Each section shows the markdown you write and the CSS it produces."
current="/style-preview/page-layouts"
toc={TOC}
>
<PreviewSection
id="content-blocks"
title="Content blocks"
tag="# Heading / **bold** / [link]() → .content-blocks"
note="Standard markdown headings, text, and links."
>
<Markdown html={html.contentBlocks} />
</PreviewSection>
<PreviewSection id="blockquote" title="Blockquote" tag="> quote → .content-blocks blockquote">
<Markdown html={html.blockquote} />
</PreviewSection>
<PreviewSection id="lists" title="Lists" tag="- item / 1. item → .content-blocks ul / ol">
<Markdown html={html.lists} />
</PreviewSection>
<PreviewSection
id="code"
title="Code"
tag="`inline` → code chip · ```lang fenced → .content-blocks pre / code"
note="Single backticks make an inline mono chip inside body text; triple backticks make a full code block."
>
<PreviewLabel>
<code>`inline`</code> — inline code chip (single backticks, inside a sentence)
</PreviewLabel>
<Markdown html={html.inlineCode} />
<PreviewLabel>
<code>```lang</code> — fenced code block (triple backticks, own line)
</PreviewLabel>
<Markdown html={html.fencedCode} />
</PreviewSection>
<PreviewSection id="rule" title="Rule" tag="--- → .content-blocks hr">
<Markdown html={html.rule} />
</PreviewSection>
<PreviewSection
id="image"
title="Image"
tag={'::image{src, alt, caption, size="1|2", align="left|right"} → .content-image'}
note="size=1 is a full-width image (radius 4xl); size=2 is a half-width image (radius 3xl) that floats so text flows in the opposite column. All support an optional centered caption. A plain markdown  still renders a basic .content-blocks img."
>
<PreviewLabel>
<code>{'::image{size="1"}'}</code> — 1 column · full width · radius 4xl · with caption
</PreviewLabel>
<Markdown html={html.imageFull} />
<PreviewLabel>
<code>{'::image{size="2" align="left"}'}</code> — 2 column · half width · radius 3xl · text in
opposite column
</PreviewLabel>
<Markdown html={html.imageLeft} className="style-preview__clear" />
<PreviewLabel>
<code>{'::image{size="2" align="right"}'}</code> — 2 column · floated right · text flows left
</PreviewLabel>
<Markdown html={html.imageRight} className="style-preview__clear" />
</PreviewSection>
<PreviewSection
id="do-dont"
title="Do / Don't"
tag=":::do-dont + ::do / ::dont{image, alt, text} → .do-dont"
note="Author supplies only the raw image + text. The site frames it (success/error tint, frame radius 3xl with the inner image at radius xl so its corners nest inside), adds the check/x badge notched over the top edge, and repeats the icon in the caption below. Rendered here from real markdown."
>
<Markdown html={html.doDont} />
</PreviewSection>
<PreviewSection
id="callouts"
title="Callouts"
tag={':::callout{type="info|success|warning|error"} → .callout'}
>
<Markdown html={html.callouts} />
</PreviewSection>
<PreviewSection
id="cards"
title="Cards"
tag=":::card-grid + ::card{title,href,image,description} → .card-grid / .card"
note="Image cards and no-image cards never share a row: 3-column with images, 2-column without, and single-column (one per row) mixing both."
>
<Markdown html={html.cards} />
</PreviewSection>
<PreviewSection
id="link-tiles"
title="Link tiles"
tag={
':::link-grid{columns="1|2|3"} + ::link-card{title,href,icon,description} → .link-grid / .link-card'
}
note="1-column tiles are full-width rows with a trailing arrow that slides on hover (like the Pager). 2- and 3-column tiles stack vertically; a missing icon still reserves its space so tiles stay aligned."
>
<Markdown html={html.linkTiles} />
<h3 className="text-heading-sm style-preview__registry-title">
Icon registry ({iconNames.length} icons)
</h3>
<p className="style-preview__registry-note">
Files in <code>src/icons/link-tiles/</code>. Reference by name via{' '}
<code>icon="Rocket"</code> (case/spacing tolerant). Restart the dev server after adding
new files.
</p>
<div className="style-preview__link-icons">
{iconNames.map((name) => (
<div key={name} className="style-preview__link-tile">
{/* Trusted SVG from the in-repo registry, normalized at build time. */}
<span
className="style-preview__link-icon"
dangerouslySetInnerHTML={{ __html: getLinkIcon(name) ?? '' }}
/>
<code className="style-preview__icon-name">{name}</code>
</div>
))}
</div>
</PreviewSection>
<PreviewSection
id="data-tables"
title="Data tables"
tag={':::table{variant="lines|dividers|plain" outline} → .content-table--*'}
note="Wrap a standard markdown table in the directive to pick a line variant. Three variants; add the `outline` modifier to any of them for an edge border + radius."
>
<div className="style-preview__stack style-preview__stack--loose">
{TABLES.map(({ caption, attrs }, i) => (
<div key={attrs}>
<PreviewLabel>
{caption} — <code>{`:::table{${attrs}}`}</code>
</PreviewLabel>
<Markdown html={tablesHtml[i]} />
</div>
))}
</div>
</PreviewSection>
<PreviewSection
id="accordion"
title="Accordion"
tag=":::accordion + :::accordion-item{title, open} → .accordion"
note="Rendered here from real markdown through the same pipeline as page content. Click a header to expand; the middle item starts open via the `open` attribute. Built on native <details>, so it needs no JavaScript."
>
<Markdown html={html.accordion} />
</PreviewSection>
<PreviewSection
id="video-embed"
title="Video embed"
tag="hero / video-embed data directive → .video-embed"
>
<div className="content-blocks">
<div className="video-embed">
<div className="video-embed__wrapper" />
</div>
</div>
</PreviewSection>
<PreviewSection
id="hero-banner"
title="Hero banner"
tag="hero-banner data directive {title,image,version,updated,tagline} → .hero-banner (+ --compact)"
>
<div className="hero-banner" style={{ backgroundImage: `url(${IMG_HERO})` }}>
<h1>Hero Banner Title</h1>
<p className="hero-banner__version">Version 2.4.0</p>
<p className="hero-banner__updated">Updated September 2026</p>
<p className="hero-banner__tagline">The design system that powers Salesforce</p>
</div>
<div
className="hero-banner hero-banner--compact style-preview__spaced"
style={{ backgroundImage: `url(${IMG_HERO})` }}
>
<h1>Compact Banner (top-level pages)</h1>
</div>
</PreviewSection>
<PreviewSection
id="hero-split"
title="Hero split"
tag=".hero-split — React page-header layout (image / no-image variants)"
>
<HeroSplit
breadcrumbs={[
{ name: 'Get Started', url: '#' },
{ name: 'Admins', url: '#' },
]}
title="Split Hero Title"
description="A subtitle sits below the title, pinned to the bottom."
image={`url(${IMG_CARD_2})`}
/>
<div className="style-preview__spaced">
<HeroSplit
breadcrumbs={[
{ name: 'Components', url: '#' },
{ name: 'Tooltip', url: '#' },
]}
title="No-Image Page Title"
description="Single column, natural height — keeps the top spacing."
/>
</div>
</PreviewSection>
<PreviewSection
id="storybook"
title="Storybook embed chrome"
tag="::component-demo{storybook, title, height} → .component-demo"
>
<Markdown html={html.storybook} />
</PreviewSection>
</PreviewLayout>
);
}
|