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minor docs styling updates #48

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b663662
udpate meta tags for docs site
skarim Apr 14, 2026
5ee094e
stack diagram styling fixes
skarim Apr 15, 2026
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12 changes: 10 additions & 2 deletions docs/astro.config.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,14 +13,22 @@ export default defineConfig({
integrations: [
starlight({
title: 'GitHub Stacked PRs',
description: 'Manage stacked branches and pull requests with the gh stack CLI extension.',
description: 'Break large changes into small, reviewable pull requests that build on each other — with native GitHub support and the gh stack CLI.',
favicon: '/favicon.svg',
logo: {
src: './src/assets/github-invertocat.svg',
alt: 'GitHub',
},
head: [
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{ tag: 'meta', attrs: { name: 'robots', content: 'noindex, nofollow' } },
{ tag: 'meta', attrs: { property: 'og:type', content: 'website' } },
{ tag: 'meta', attrs: { property: 'og:site_name', content: 'GitHub Stacked PRs' } },
{ tag: 'meta', attrs: { property: 'og:image', content: 'https://github.github.com/gh-stack/github-social-card.jpg' } },
{ tag: 'meta', attrs: { property: 'og:image:alt', content: 'GitHub Stacked PRs — Break large changes into small, reviewable pull requests' } },
{ tag: 'meta', attrs: { property: 'og:image:width', content: '1200' } },
{ tag: 'meta', attrs: { property: 'og:image:height', content: '630' } },
{ tag: 'meta', attrs: { name: 'twitter:card', content: 'summary_large_image' } },
{ tag: 'meta', attrs: { name: 'twitter:site', content: '@github' } },
{ tag: 'meta', attrs: { name: 'twitter:image', content: 'https://github.github.com/gh-stack/github-social-card.jpg' } },
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],
components: {
SocialIcons: './src/components/CustomHeader.astro',
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Binary file added docs/public/github-social-card.jpg
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48 changes: 0 additions & 48 deletions docs/src/assets/stack-diagram.svg
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62 changes: 62 additions & 0 deletions docs/src/components/StackDiagram.astro
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@@ -0,0 +1,62 @@
---
/**
* Inline SVG stack diagram — uses currentColor to inherit text color from the
* parent element, which is styled via external CSS. This avoids Safari bugs
* where @media (prefers-color-scheme) doesn't work inside SVG elements.
*/
---
<div class="stack-diagram-wrapper" style="max-width: 520px; margin: 1.5rem auto;">
<svg width="100%" viewBox="-100 0 580 340" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="A stack of pull requests: main at the bottom, with auth-layer (PR #1), api-endpoints (PR #2), and frontend (PR #3) stacked on top">
<style>
text { font-family: 'Mona Sans', -apple-system, "system-ui", "Segoe UI", sans-serif; }
.trunk-box { fill: rgba(128,128,128,0.1); stroke: rgba(128,128,128,0.4); stroke-width: 1; }
.trunk-text { fill: currentColor; font-size: 14px; font-weight: 600; }
.branch-box { fill: rgba(9,105,218,0.12); stroke: #0969da; stroke-width: 1; }
.branch-text { fill: currentColor; font-size: 14px; font-weight: 600; }
.arrow-line { stroke: currentColor; stroke-width: 1.5; opacity: 0.4; }
.arrow-marker { stroke: currentColor; stroke-opacity: 0.9; }
.annotation { fill: currentColor; font-size: 14px; font-style: italic; opacity: 0.6; font-weight: 600; }
</style>
<defs>
<marker id="arrow" viewBox="0 0 10 10" refX="8" refY="5" markerWidth="6" markerHeight="6" orient="auto-start-reverse">
<path d="M2 1L8 5L2 9" fill="none" class="arrow-marker" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
</marker>
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</defs>

<g>
<rect x="80" y="262" width="220" height="44" rx="8" class="trunk-box"/>
<text x="190" y="284" text-anchor="middle" dominant-baseline="central" class="trunk-text">main</text>
</g>

<g>
<rect x="80" y="188" width="220" height="44" rx="8" class="branch-box"/>
<text x="190" y="210" text-anchor="middle" dominant-baseline="central" class="branch-text">PR #1 · auth-layer</text>
</g>

<g>
<rect x="80" y="114" width="220" height="44" rx="8" class="branch-box"/>
<text x="190" y="136" text-anchor="middle" dominant-baseline="central" class="branch-text">PR #2 · api-endpoints</text>
</g>

<g>
<rect x="80" y="40" width="220" height="44" rx="8" class="branch-box"/>
<text x="190" y="62" text-anchor="middle" dominant-baseline="central" class="branch-text">PR #3 · frontend</text>
</g>

<line x1="190" y1="262" x2="190" y2="232" marker-end="url(#arrow)" class="arrow-line"/>
<line x1="190" y1="188" x2="190" y2="158" marker-end="url(#arrow)" class="arrow-line"/>
<line x1="190" y1="114" x2="190" y2="84" marker-end="url(#arrow)" class="arrow-line"/>

<text x="320" y="210" dominant-baseline="central" class="annotation">← bottom</text>
<text x="320" y="62" dominant-baseline="central" class="annotation">← top</text>
</svg>
</div>

<style>
.stack-diagram-wrapper {
color: #1f1f1f;
}
:root[data-theme='dark'] .stack-diagram-wrapper {
color: #ffffff;
}
</style>
6 changes: 2 additions & 4 deletions docs/src/content/docs/index.mdx
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Expand Up @@ -17,7 +17,7 @@ hero:

import { Card, CardGrid, Aside } from '@astrojs/starlight/components';
import { Image } from 'astro:assets';
import stackDiagram from '../../assets/stack-diagram.svg';
import StackDiagram from '../../components/StackDiagram.astro';
import stackNavigator from '../../assets/screenshots/stack-navigator.png';

<CardGrid>
Expand All @@ -43,9 +43,7 @@ Large pull requests are hard to review, slow to merge, and prone to conflicts. R

A **stack** is a series of pull requests in the same repository where each PR targets the branch of the PR below it, forming an ordered chain that ultimately lands on your main branch.

<div style="max-width: 420px; margin: 1.5rem auto;">
<Image src={stackDiagram} alt="A stack of pull requests: main at the bottom, with auth-layer (PR #1), api-endpoints (PR #2), and frontend (PR #3) stacked on top" />
</div>
<StackDiagram />

GitHub understands stacks end-to-end: the pull request UI shows a **stack map** so reviewers can navigate between layers, branch protection rules are enforced against the **final target branch** (not just the direct base), and CI runs for every PR in the stack as if they were targeting the final branch.

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