Scope markdown body (#21082)

* update article content to markdown ui component

* decouple lunr indexing from class name

* remove summary outline none rule, apply utility class instead

* improve typing

* scope more styles down to markdown-body/extended-markdown

* move all markdown-body style overrides to MarkdownContent component

* fix class targeting within css module

* clean up MarkdownContent header style

* rename data-lunr to data-search

* fix: inline code color issue

* fix: update article markdown to work with MarkdownContent

components/TruncateLines.tsx

@@ -1,15 +1,14 @@
-import React, { ReactNode, ReactHTML } from 'react'
+import React, { ReactNode } from 'react'
 import cx from 'classnames'
 
 type Props = {
-  as?: keyof ReactHTML
+  as?: keyof JSX.IntrinsicElements
   maxLines: number
   children: ReactNode
   className?: string
 }
 export const TruncateLines = (props: Props) => {
-  const { as, maxLines, className, children } = props
+  const { maxLines, className, children, as: Component = 'div' } = props
-  const Component = as || 'div'
   return (
     <Component className={cx('root', className)}>
       {children}

components/article/ArticleContent.tsx

@@ -1,18 +0,0 @@
-type Props = {
-  children: string
-}
-
-/*
-  NOTE: The markdown-body class is used by the LUNR search scripts. 
-  If this class changes, please also change
-  updating script/search/parse-page-sections-into-records.js.
-*/
-export const ArticleContent = ({ children }: Props) => {
-  return (
-    <div
-      id="article-contents"
-      className="markdown-body"
-      dangerouslySetInnerHTML={{ __html: children }}
-    />
-  )
-}

components/article/ArticleGridLayout.tsx

@@ -22,12 +22,9 @@ export const ArticleGridLayout = ({ head, toc, children, className }: Props) =>
       )}
 
       {/* content */}
-      {/*
+      <div data-search="article-body" className={styles.content}>
-        NOTE: The article-grid-body class is used by the LUNR search scripts. 
+        {children}
-        If this class changes, please also change
+      </div>
-        updating script/search/parse-page-sections-into-records.js.
-        */}
-      <div className={cx(styles.content, 'article-grid-body')}>{children}</div>
     </div>
   )
 }

components/article/ArticlePage.tsx

@@ -11,7 +11,7 @@ import { ArticleTitle } from 'components/article/ArticleTitle'
 import { useArticleContext } from 'components/context/ArticleContext'
 import { useTranslation } from 'components/hooks/useTranslation'
 import { LearningTrackNav } from './LearningTrackNav'
-import { ArticleContent } from './ArticleContent'
+import { MarkdownContent } from 'components/ui/MarkdownContent'
 import { ArticleGridLayout } from './ArticleGridLayout'
 
 // Mapping of a "normal" article to it's interactive counterpart
@@ -63,12 +63,7 @@ export const ArticlePage = () => {
                 </Callout>
               )}
 
-              {intro && (
+              {intro && <MarkdownContent className="lead-mktg mb-3">{intro}</MarkdownContent>}
-                <div
-                  className="lead-mktg markdown-body mb-3"
-                  dangerouslySetInnerHTML={{ __html: intro }}
-                />
-              )}
 
               {permissions && (
                 <div
@@ -153,7 +148,9 @@ export const ArticlePage = () => {
             </>
           }
         >
-          <ArticleContent>{renderedPage}</ArticleContent>
+          <div id="article-contents">
+            <MarkdownContent>{renderedPage}</MarkdownContent>
+          </div>
         </ArticleGridLayout>
 
         {currentLearningTrack?.trackName ? (

components/article/ArticleVersionPicker.tsx

@@ -25,7 +25,7 @@ export const ArticleVersionPicker = () => {
       `}
       data-testid="article-version-picker"
     >
-      <summary className="f4 h5-mktg btn-outline-mktg btn-mktg p-2">
+      <summary className="f4 h5-mktg btn-outline-mktg btn-mktg p-2 outline-none">
         <span className="d-md-none d-xl-inline-block">{t('article_version')}</span>{' '}
         {allVersions[currentVersion].versionTitle}
         <Dropdown.Caret />

components/landing/HomepageVersionPicker.tsx

@@ -25,7 +25,7 @@ export const HomepageVersionPicker = ({ variant }: Props) => {
   if (variant === 'inline') {
     return (
       <Details {...getDetailsProps()} className="details-reset">
-        <summary aria-label="Toggle language list">
+        <summary className="outline-none" aria-label="Toggle language list">
           <div className="d-flex flex-items-center flex-justify-between py-2">
             <span>{label}</span>
             <ChevronDownIcon size={24} className="arrow ml-md-1" />

components/landing/TocLanding.tsx

@@ -3,7 +3,7 @@ import { TableOfContents } from 'components/landing/TableOfContents'
 import { useTocLandingContext } from 'components/context/TocLandingContext'
 import { ArticleTopper } from 'components/article/ArticleTopper'
 import { ArticleTitle } from 'components/article/ArticleTitle'
-import { ArticleContent } from 'components/article/ArticleContent'
+import { MarkdownContent } from 'components/ui/MarkdownContent'
 import { ArticleList } from 'components/landing/ArticleList'
 import { useTranslation } from 'components/hooks/useTranslation'
 import { ArticleGridLayout } from 'components/article/ArticleGridLayout'
@@ -55,7 +55,11 @@ export const TocLanding = () => {
               </div>
             )}
 
-            {renderedPage && <ArticleContent>{renderedPage}</ArticleContent>}
+            {renderedPage && (
+              <div id="article-contents">
+                <MarkdownContent>{renderedPage}</MarkdownContent>
+              </div>
+            )}
 
             <TableOfContents items={tocItems} variant={variant} />
           </div>

components/lib/display-platform-specific-content.ts

@@ -3,7 +3,7 @@ import parseUserAgent from './user-agent'
 import { sendEvent, EventType } from './events'
 
 const supportedPlatforms = ['mac', 'windows', 'linux']
-const detectedPlatforms = new Set()
+const detectedPlatforms = new Set<string>()
 
 // Emphasize content for the visitor's OS (inferred from user agent string)
 
@@ -66,9 +66,7 @@ function setActiveSwitcherLinks(platform: string) {
 function showPlatformSpecificContent(platform: string) {
   // find all platform-specific *block* elements and hide or show as appropriate
   // example: {{ #mac }} block content {{/mac}}
-  const markdowns = Array.from(
+  const markdowns = Array.from(document.querySelectorAll<HTMLElement>('.extended-markdown'))
-    document.querySelectorAll('.extended-markdown')
-  ) as Array<HTMLElement>
   markdowns
     .filter((el) => supportedPlatforms.some((platform) => el.classList.contains(platform)))
     .forEach((el) => {
@@ -78,8 +76,8 @@ function showPlatformSpecificContent(platform: string) {
   // find all platform-specific *inline* elements and hide or show as appropriate
   // example: <span class="platform-mac">inline content</span>
   const platforms = Array.from(
-    document.querySelectorAll('.platform-mac, .platform-windows, .platform-linux')
+    document.querySelectorAll<HTMLElement>('.platform-mac, .platform-windows, .platform-linux')
-  ) as Array<HTMLElement>
+  )
   platforms.forEach((el) => {
     el.style.display = el.classList.contains('platform-' + platform) ? '' : 'none'
   })
@@ -108,11 +106,11 @@ function getDetectedPlatforms(): Array<string> {
   // find all platform-specific *inline* elements and hide or show as appropriate
   // example: <span class="platform-mac">inline content</span>
   const platformEls = Array.from(
-    document.querySelectorAll('.platform-mac, .platform-windows, .platform-linux')
+    document.querySelectorAll<HTMLElement>('.platform-mac, .platform-windows, .platform-linux')
-  ) as Array<HTMLElement>
+  )
   platformEls.forEach((el) => detectPlatforms(el))
 
-  return Array.from(detectedPlatforms) as Array<string>
+  return Array.from(detectedPlatforms)
 }
 
 function detectPlatforms(el: HTMLElement) {

components/page-header/LanguagePicker.tsx

@@ -20,7 +20,7 @@ export const LanguagePicker = ({ variant }: Props) => {
   if (variant === 'inline') {
     return (
       <Details {...getDetailsProps()} className="details-reset">
-        <summary aria-label="Toggle language list">
+        <summary className="outline-none" aria-label="Toggle language list">
           <div className="d-flex flex-items-center flex-justify-between py-2">
             <span>{selectedLang.nativeName || selectedLang.name}</span>
             <ChevronDownIcon size={24} className="arrow ml-md-1" />

components/page-header/ProductPicker.tsx

@@ -13,7 +13,11 @@ export const ProductPicker = () => {
 
   return (
     <Details {...getDetailsProps()} className="details-reset">
-      <summary className="color-text-link" role="button" aria-label="Toggle products list">
+      <summary
+        className="color-text-link outline-none"
+        role="button"
+        aria-label="Toggle products list"
+      >
         <div id="current-product" className="d-flex flex-items-center flex-justify-between py-2">
           {/* <!-- Product switcher - GitHub.com, Enterprise Server, etc -->
     <!-- 404 and 500 error layouts are not real pages so we need to hardcode the name for those --> */}

components/playground/ArticleMarkdown.module.scss

@@ -0,0 +1,10 @@
+.articleMarkdown {
+  pre {
+    padding: 0;
+    background-color: unset;
+  }
+
+  table {
+    table-layout: fixed !important;
+  }
+}

components/playground/ArticleMarkdown.tsx

@@ -1,10 +1,15 @@
 import React from 'react'
+import cx from 'classnames'
 import { useTheme } from '@primer/components'
 import ReactMarkdown from 'react-markdown'
 import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter'
 import { vs, vscDarkPlus } from 'react-syntax-highlighter/dist/cjs/styles/prism'
 import gfm from 'remark-gfm'
 
+import { MarkdownContent } from 'components/ui/MarkdownContent'
+
+import styles from './ArticleMarkdown.module.scss'
+
 type Props = {
   className?: string
   children: string
@@ -13,8 +18,9 @@ export const ArticleMarkdown = ({ className, children }: Props) => {
   const theme = useTheme()
 
   return (
+    <MarkdownContent>
       <ReactMarkdown
-      className={className}
+        className={cx(styles.articleMarkdown, className)}
         remarkPlugins={[gfm as any]}
         components={{
           // eslint-disable-next-line @typescript-eslint/no-unused-vars
@@ -38,5 +44,6 @@ export const ArticleMarkdown = ({ className, children }: Props) => {
       >
         {children}
       </ReactMarkdown>
+    </MarkdownContent>
   )
 }

components/release-notes/GHAEReleaseNotes.tsx

@@ -3,6 +3,7 @@ import cx from 'classnames'
 import { ChevronDownIcon } from '@primer/octicons-react'
 import { GHAEReleaseNotePatch } from './GHAEReleaseNotePatch'
 import { GHAEReleaseNotesContextT } from './types'
+import { MarkdownContent } from 'components/ui/MarkdownContent'
 
 type GitHubAEProps = {
   context: GHAEReleaseNotesContextT
@@ -20,7 +21,7 @@ export function GHAEReleaseNotes({ context }: GitHubAEProps) {
           <div></div>
         </div>
 
-        <div className="markdown-body">
+        <MarkdownContent data-search="article-content">
           {releaseNotes.map((patch) => {
             return (
               <GHAEReleaseNotePatch
@@ -30,14 +31,15 @@ export function GHAEReleaseNotes({ context }: GitHubAEProps) {
               />
             )
           })}
-        </div>
+        </MarkdownContent>
       </article>
 
       <aside
-        className="markdown-body position-sticky top-0 d-none d-md-block border-left no-print color-bg-primary flex-shrink-0"
+        className="position-sticky top-0 d-none d-md-block border-left no-print color-bg-primary flex-shrink-0"
         style={{ width: 260, height: '100vh' }}
       >
         <nav className="height-full overflow-auto">
+          <MarkdownContent data-search="article-content">
             <ul className="list-style-none pl-0 text-bold">
               {releases.map((release) => {
                 return (
@@ -49,6 +51,7 @@ export function GHAEReleaseNotes({ context }: GitHubAEProps) {
                 )
               })}
             </ul>
+          </MarkdownContent>
         </nav>
       </aside>
     </div>
@@ -78,7 +81,7 @@ const CollapsibleReleaseSection = ({
         open={defaultIsOpen}
         onToggle={onToggle}
       >
-        <summary className="px-3 py-4 my-0 d-flex flex-items-center flex-justify-between">
+        <summary className="px-3 py-4 my-0 d-flex flex-items-center flex-justify-between outline-none">
           {release.version}
           <div className="d-flex">
             <span className="color-text-tertiary text-mono text-small text-normal mr-1">

components/release-notes/GHESReleaseNotes.tsx

@@ -10,6 +10,7 @@ import { useMainContext } from 'components/context/MainContext'
 import dayjs from 'dayjs'
 
 import { Link } from 'components/Link'
+import { MarkdownContent } from 'components/ui/MarkdownContent'
 import { GHESReleaseNotesContextT } from './types'
 import { GHESReleaseNotePatch } from './GHESReleaseNotePatch'
 
@@ -59,7 +60,7 @@ export function GHESReleaseNotes({ context }: Props) {
             <div />
           )}
         </div>
-        <div className="markdown-body">
+        <MarkdownContent data-search="article-content">
           {releaseNotes.map((patch) => {
             return (
               <GHESReleaseNotePatch
@@ -75,14 +76,15 @@ export function GHESReleaseNotes({ context }: Props) {
               />
             )
           })}
-        </div>
+        </MarkdownContent>
       </article>
 
       <aside
-        className="markdown-body position-sticky top-0 d-none d-md-block border-left no-print color-bg-primary flex-shrink-0"
+        className="position-sticky top-0 d-none d-md-block border-left no-print color-bg-primary flex-shrink-0"
         style={{ width: 260, height: '100vh' }}
       >
         <nav className="height-full overflow-auto">
+          <MarkdownContent data-search="article-content">
             <ul className="list-style-none pl-0 text-bold">
               {releases.map((release) => {
                 const releaseLink = `/${currentLanguage}/${currentVersion.plan}@${release.version}/${currentProduct?.id}/release-notes`
@@ -127,6 +129,7 @@ export function GHESReleaseNotes({ context }: Props) {
                 )
               })}
             </ul>
+          </MarkdownContent>
         </nav>
       </aside>
     </div>
@@ -157,7 +160,7 @@ const CollapsibleReleaseSection = ({
         open={defaultIsOpen}
         onToggle={onToggle}
       >
-        <summary className="px-3 py-4 my-0 d-flex flex-items-center flex-justify-between">
+        <summary className="px-3 py-4 my-0 d-flex flex-items-center flex-justify-between outline-none">
           {release.version}
           <div className="d-flex">
             <span className="color-text-tertiary text-mono text-small text-normal mr-1">

components/sidebar/SidebarProduct.tsx

@@ -140,7 +140,7 @@ const CollapsibleSection = (props: SectionProps) => {
 
   return (
     <details open={defaultOpen} onToggle={onToggle} className="details-reset">
-      <summary>
+      <summary className="outline-none">
         <div className="d-flex flex-justify-between">
           <div className="pl-4 pr-1 py-2 f6 text-uppercase d-block flex-auto mr-3 color-text-primary no-underline text-bold">
             {title}

components/ui/MarkdownContent/MarkdownContent.module.scss

@@ -0,0 +1,37 @@
+@import "./stylesheets/code.scss";
+@import "./stylesheets/headers.scss";
+@import "./stylesheets/lists.scss";
+@import "./stylesheets/table.scss";
+
+.markdownBody {
+  summary {
+    outline: none;
+
+    h1,
+    h2,
+    h3,
+    h4,
+    h5,
+    h6 {
+      display: inline-block;
+      margin-top: 10px;
+      margin-bottom: 10px;
+
+      p {
+        margin: 0;
+        padding: 0;
+      }
+    }
+  }
+
+  [class~="note"],
+  [class~="tip"],
+  [class~="warning"],
+  [class~="danger"] {
+    // remove extra space under lists inside of notes
+    ul,
+    ol {
+      margin-bottom: 0;
+    }
+  }
+}

components/ui/MarkdownContent/MarkdownContent.tsx

@@ -0,0 +1,26 @@
+import { ReactNode } from 'react'
+import cx from 'classnames'
+
+import styles from './MarkdownContent.module.scss'
+
+type Props = {
+  children: string | ReactNode
+  className?: string
+  as?: keyof JSX.IntrinsicElements
+}
+export const MarkdownContent = ({
+  children,
+  as: Component = 'div',
+  className,
+  ...restProps
+}: Props) => {
+  return (
+    <Component
+      {...restProps}
+      className={cx(styles.markdownBody, 'markdown-body', className)}
+      {...(typeof children === 'string'
+        ? { dangerouslySetInnerHTML: { __html: children } }
+        : { children })}
+    />
+  )
+}

components/ui/MarkdownContent/index.ts

@@ -0,0 +1 @@
+export { MarkdownContent } from './MarkdownContent'

components/ui/MarkdownContent/stylesheets/code.scss

@@ -0,0 +1,45 @@
+.markdownBody {
+  [class~="highlight"] pre,
+  pre {
+    margin-top: 10px;
+  }
+
+  [class~="height-constrained-code-block"] pre {
+    max-height: 500px;
+    overflow: auto;
+  }
+
+  [class~="code-extra"] {
+    margin-top: 24px;
+
+    pre {
+      margin-top: 0 !important;
+      border-top-left-radius: 0 !important;
+      border-top-right-radius: 0 !important;
+      border-left: 1px var(--color-auto-gray-2) solid !important;
+      border-bottom: 1px var(--color-auto-gray-2) solid !important;
+      border-right: 1px var(--color-auto-gray-2) solid !important;
+    }
+  }
+
+  pre [class~="redbox"] {
+    border: 2px solid var(--color-auto-red-5);
+    padding: 2px;
+    border-radius: 2px;
+    margin-right: 2px;
+  }
+
+  pre [class~="greenbox"] {
+    border: 2px solid var(--color-auto-green-5);
+    padding: 2px;
+    border-radius: 2px;
+    margin-right: 2px;
+  }
+
+  pre [class~="bluebox"] {
+    border: 2px solid var(--color-auto-blue-5);
+    padding: 2px;
+    border-radius: 2px;
+    margin-right: 2px;
+  }
+}

components/ui/MarkdownContent/stylesheets/headers.scss

@@ -0,0 +1,31 @@
+.markdownBody {
+  h1,
+  h2,
+  h3,
+  h4,
+  h5 {
+    padding-top: 16px;
+  }
+  h2 {
+    font-size: 1.25em;
+  }
+
+  // all h2 headers that are links should be blue-500
+  h2 a {
+    color: var(--color-auto-blue-5);
+  }
+  h3 {
+    font-size: 1em;
+  }
+  h4 {
+    font-size: 0.875em;
+  }
+  h5 {
+    font-size: 0.85em;
+  }
+
+  // needs specificity to override
+  [class~="lead-mktg"] p {
+    color: var(--color-auto-gray-9);
+  }
+}

components/ui/MarkdownContent/stylesheets/lists.scss

@@ -0,0 +1,76 @@
+.markdownBody {
+  ol {
+    counter-reset: li;
+    list-style: none;
+    position: relative;
+    padding-bottom: 10px;
+    padding-left: 0;
+  }
+
+  ol > li {
+    padding: 15px 0 15px 55px;
+    position: relative;
+    margin-bottom: 5px;
+    border-top: 3px solid var(--color-auto-gray-2);
+  }
+
+  ol > li:before {
+    content: counter(li);
+    counter-increment: li;
+    position: absolute;
+    top: 10px;
+    left: 0;
+    height: 100%;
+    width: 30px;
+    padding: 0 10px 0 0;
+    color: var(--color-auto-gray-4);
+    font-size: 22px;
+    font-weight: bold;
+    line-height: 35px;
+    text-align: right;
+  }
+
+  ol > li > p {
+    margin: 0;
+  }
+
+  ol > li > p:first-child {
+    margin-top: 0;
+  }
+
+  ol > li:after {
+    content: ".";
+    display: block;
+    clear: both;
+    visibility: hidden;
+    line-height: 0;
+    height: 0;
+  }
+
+  ol > li {
+    padding: 8px 0 8px 40px;
+    border: 0;
+
+    &:before {
+      top: 2px;
+      font-size: 16px;
+      width: 24px;
+    }
+
+    p:not(:first-child) {
+      margin-top: 15px;
+    }
+
+    [class~="extended-markdown"] {
+      margin-top: 15px;
+    }
+  }
+
+  ul ul,
+  ul ol,
+  ol ol,
+  ol ul {
+    margin-top: 15px;
+    margin-bottom: 15px;
+  }
+}

components/ui/MarkdownContent/stylesheets/table.scss

@@ -0,0 +1,82 @@
+.markdownBody {
+  table {
+    display: table;
+    border-collapse: collapse;
+    position: relative;
+    font-size: 90%;
+    width: 100%;
+    line-height: 1.5;
+    /* We want to keep table-layout: auto so that column widths dynamically adjust;
+  otherwise entries get needlessly squashed into narrow columns. As a workaround,
+  we use components/lib/wrap-code-terms.js to prevent some reference table content
+  from expanding beyond the horizontal boundaries of the parent element. */
+    table-layout: auto;
+
+    code {
+      font-size: 85%;
+      padding: 0.2em 0.4em;
+      background-color: var(--color-markdown-code-bg);
+      border-radius: 6px;
+    }
+
+    pre > code {
+      padding: 0;
+      background-color: transparent;
+    }
+
+    thead tr {
+      border: none;
+    }
+
+    th {
+      font-weight: normal;
+      text-align: left;
+      position: sticky;
+      vertical-align: top;
+      z-index: 1;
+      top: 0;
+      background: var(--color-bg-primary);
+      box-shadow: 0 3px 0 0 var(--color-auto-gray-4);
+      padding: 12px 8px;
+      border: 0px;
+    }
+
+    th[align="center"] {
+      text-align: center;
+    }
+
+    th[align="right"] {
+      text-align: right;
+    }
+
+    th:first-child,
+    td:first-child {
+      padding-left: 0;
+    }
+
+    td {
+      padding: 10px 8px;
+      border: 0px;
+      vertical-align: top;
+    }
+
+    // markdown that has been converted to HTML is often wrapped in <p> tags
+    // don't let it interfere with the spacing
+    td p {
+      padding: 0;
+      margin: 0;
+    }
+
+    tr:nth-child(2n) {
+      background: none;
+    }
+
+    td.has-nested-table {
+      width: 100%;
+
+      table {
+        table-layout: auto;
+      }
+    }
+  }
+}

script/search/parse-page-sections-into-records.js

@@ -30,7 +30,7 @@ export default function parsePageSectionsIntoRecords(href, $) {
 
   let records
 
-  const $sections = $('.markdown-body h2')
+  const $sections = $('[data-search=article-content] h2')
     .filter('[id]')
     .filter((i, el) => {
       return !ignoredHeadingSlugs.includes($(el).attr('id'))
@@ -69,7 +69,7 @@ export default function parsePageSectionsIntoRecords(href, $) {
     const objectID = href
     const url = [urlPrefix, objectID].join('')
     const content = $(
-      '.article-grid-body p, .article-grid-body ul, .article-grid-body ol, .article-grid-body table'
+      '[data-search=article-body] p, [data-search=article-body] ul, [data-search=article-body] ol, [data-search=article-body] table'
     )
       .map((i, el) => $(el).text())
       .get()

stylesheets/alerts.scss

@@ -1,13 +0,0 @@
-/* Notes, tips, warning, and danger styles
-------------------------------------------------------------------------------*/
-
-.note,
-.tip,
-.warning,
-.danger {
-  // remove extra space under lists inside of notes
-  ul,
-  ol {
-    margin-bottom: 0;
-  }
-}

stylesheets/code.scss

@@ -1,52 +0,0 @@
-/* Code style overrides
-------------------------------------------------------------------------------*/
-
-.markdown-body.playground pre {
-  padding: 0;
-  background-color: unset;
-}
-
-.markdown-body .highlight pre,
-.markdown-body pre {
-  margin-top: 10px;
-}
-
-.height-constrained-code-block pre {
-  max-height: 500px;
-  overflow: auto;
-}
-
-.markdown-body .code-extra {
-  margin-top: $spacer-4;
-
-  pre {
-    margin-top: 0 !important;
-    border-top-left-radius: 0 !important;
-    border-top-right-radius: 0 !important;
-    border-left: 1px var(--color-auto-gray-2) solid !important;
-    border-bottom: 1px var(--color-auto-gray-2) solid !important;
-    border-right: 1px var(--color-auto-gray-2) solid !important;
-  }
-}
-
-/* code styles */
-pre .redbox {
-  border: 2px solid var(--color-auto-red-5);
-  padding: 2px;
-  border-radius: 2px;
-  margin-right: 2px;
-}
-
-pre .greenbox {
-  border: 2px solid var(--color-auto-green-5);
-  padding: 2px;
-  border-radius: 2px;
-  margin-right: 2px;
-}
-
-pre .bluebox {
-  border: 2px solid var(--color-auto-blue-5);
-  padding: 2px;
-  border-radius: 2px;
-  margin-right: 2px;
-}

stylesheets/extended-markdown.scss

@@ -1,17 +1,30 @@
-.extended-markdown p {
+.extended-markdown {
+  .note,
+  .tip,
+  .warning,
+  .danger {
+    // remove extra space under lists inside of notes
+    ul,
+    ol {
+      margin-bottom: 0;
+    }
+  }
+
+  p {
     margin: 0;
-}
+  }
 
-.extended-markdown p:not(:first-child) {
+  p:not(:first-child) {
     margin-top: 15px;
-}
+  }
 
-.extended-markdown.note pre {
+  &.note pre code {
+    color: var(--color-text-primary);
+  }
+
+  &.note pre {
     background: none;
     padding: 10px 10px 10px 0;
     margin-bottom: 0;
-}
+  }
-
-.extended-markdown.note pre code {
-  color: var(--color-text-primary);
 }

stylesheets/font-mktg.scss

@@ -1,6 +1,8 @@
 // stylelint-disable primer/no-unused-vars
 // Typography
 
+@import "@primer/css/support/index.scss";
+
 $marketing-font-path: "/assets/fonts/alliance/";
 $font-family-mktg: "Alliance No.1", -apple-system, BlinkMacSystemFont,
   "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji",

stylesheets/headings.scss

@@ -5,40 +5,3 @@ h3 {
     color: var(--color-auto-gray-9);
   }
 }
-
-.markdown-body {
-  h1,
-  h2,
-  h3,
-  h4,
-  h5 {
-    font-family: $font-mktg;
-    font-weight: $font-weight-semibold;
-    padding-top: $spacer-3;
-  }
-  h2 {
-    font-size: 1.25em;
-  }
-  // all h2 headers that are links should be blue-500
-  h2 a {
-    color: var(--color-auto-blue-5);
-  }
-  #article-contents h2:not(.link-with-intro-title) {
-    padding-bottom: 0;
-    border-bottom: none;
-  }
-  h3 {
-    font-size: 1em;
-  }
-  h4 {
-    font-size: 0.875em;
-  }
-  h5 {
-    font-size: 0.85em;
-  }
-}
-
-// needs specificity to override
-.markdown-body .lead-mktg p {
-  color: var(--color-auto-gray-9);
-}

stylesheets/index.scss

@@ -9,16 +9,11 @@ $marketing-font-path: "/assets/fonts/inter/";
 @import "@primer/css/marketing/index.scss";
 @import "font-mktg.scss";
 
-@import "alerts.scss";
-@import "code.scss";
 @import "extended-markdown.scss";
 @import "font-mktg.scss";
 @import "gradient.scss";
 @import "headings.scss";
 @import "images.scss";
-@import "lists.scss";
 @import "shadows.scss";
-@import "summary.scss";
 @import "syntax-highlighting.scss";
-@import "tables.scss";
 @import "utilities.scss";

stylesheets/lists.scss

@@ -1,77 +0,0 @@
-/* Numbered procedures (step 1, step 2, ...)
-------------------------------------------------------------------------------*/
-
-.markdown-body ol {
-  counter-reset: li;
-  list-style: none;
-  position: relative;
-  padding-bottom: 10px;
-  padding-left: 0;
-}
-
-.markdown-body ol > li {
-  padding: 15px 0 15px 55px;
-  position: relative;
-  margin-bottom: 5px;
-  border-top: 3px solid var(--color-auto-gray-2);
-}
-
-.markdown-body ol > li:before {
-  content: counter(li);
-  counter-increment: li;
-  position: absolute;
-  top: 10px;
-  left: 0;
-  height: 100%;
-  width: 30px;
-  padding: 0 10px 0 0;
-  color: var(--color-auto-gray-4);
-  font-size: 22px;
-  font-weight: bold;
-  line-height: 35px;
-  text-align: right;
-}
-
-.markdown-body ol > li > p {
-  margin: 0;
-}
-
-.markdown-body ol > li > p:first-child {
-  margin-top: 0;
-}
-
-.markdown-body ol > li:after {
-  content: ".";
-  display: block;
-  clear: both;
-  visibility: hidden;
-  line-height: 0;
-  height: 0;
-}
-
-.markdown-body ol > li {
-  padding: $spacer-2 0 $spacer-2 $spacer-7;
-  border: 0;
-
-  &:before {
-    top: 2px;
-    font-size: $spacer-3;
-    width: $spacer-4;
-  }
-
-  p:not(:first-child) {
-    margin-top: 15px;
-  }
-
-  .extended-markdown {
-    margin-top: 15px;
-  }
-}
-
-.markdown-body ul ul,
-.markdown-body ul ol,
-.markdown-body ol ol,
-.markdown-body ol ul {
-  margin-top: 15px;
-  margin-bottom: 15px;
-}

stylesheets/summary.scss

@@ -1,23 +0,0 @@
-summary {
-  outline: none;
-}
-
-.markdown-body {
-  summary {
-    h1,
-    h2,
-    h3,
-    h4,
-    h5,
-    h6 {
-      display: inline-block;
-      margin-top: 10px;
-      margin-bottom: 10px;
-
-      p {
-        margin: 0;
-        padding: 0;
-      }
-    }
-  }
-}

stylesheets/tables.scss

@@ -1,91 +0,0 @@
-// Largely overwritten in tables.scss
-.markdown-body table {
-  display: table;
-  table-layout: fixed;
-  line-height: 1.5;
-}
-
-.markdown-body.playground table {
-  table-layout: fixed;
-}
-
-.markdown-body table {
-  border-collapse: collapse;
-  position: relative;
-  font-size: 90%;
-  width: 100%;
-  /* We want to keep table-layout: auto so that column widths dynamically adjust;
-  otherwise entries get needlessly squashed into narrow columns. As a workaround,
-  we use components/lib/wrap-code-terms.js to prevent some reference table content
-  from expanding beyond the horizontal boundaries of the parent element. */
-  table-layout: auto;
-
-  code {
-    font-size: 85%;
-    padding: 0.2em 0.4em;
-    background-color: rgba(0, 0, 0, 0.05);
-    border-radius: $border-radius;
-  }
-
-  pre {
-    > code {
-      padding: 0;
-      background-color: transparent;
-    }
-  }
-
-  thead tr {
-    border: none;
-  }
-
-  th {
-    font-weight: normal;
-    text-align: left;
-    position: sticky;
-    vertical-align: top;
-    z-index: 1;
-    top: 0;
-    background: var(--color-bg-primary);
-    box-shadow: 0 3px 0 0 var(--color-auto-gray-4);
-    padding: 12px 8px;
-    border: 0px;
-  }
-
-  th[align="center"] {
-    text-align: center;
-  }
-
-  th[align="right"] {
-    text-align: right;
-  }
-
-  th:first-child,
-  td:first-child {
-    padding-left: 0;
-  }
-
-  td {
-    padding: 10px 8px;
-    border: 0px;
-    vertical-align: top;
-  }
-
-  // markdown that has been converted to HTML is often wrapped in <p> tags
-  // don't let it interfere with the spacing
-  td p {
-    padding: 0;
-    margin: 0;
-  }
-
-  tr:nth-child(2n) {
-    background: none;
-  }
-
-  td.has-nested-table {
-    width: 100%;
-
-    table {
-      table-layout: auto;
-    }
-  }
-}

stylesheets/utilities.scss

@@ -99,3 +99,7 @@
 .fade-tertiary-bottom {
   background: linear-gradient(to top, var(--color-bg-tertiary), transparent);
 }
+
+.outline-none {
+  outline: none;
+}

tests/unit/search/fixtures/page-with-sections.html

@@ -1,7 +1,7 @@
 <head>
   <meta name="keywords" content="topic1,topic2">
 </head>
-<div class="markdown-body">
+<div data-search="article-content">
   <nav class="breadcrumbs">
     <a href="#">GitHub Actions</a> 
     <a href="#">actions learning path</a>

tests/unit/search/fixtures/page-without-sections.html

@@ -1,9 +1,9 @@
 <head>
-  <meta name="keywords" content="key1,key2,key3">
+  <meta name="keywords" content="key1,key2,key3" />
 </head>
 <p>I am outside the article and should not be included</p>
 
-<div class="article-grid-body">
+<div data-search="article-body">
   <nav class="breadcrumbs">
     <a href="#">Education</a>
     <a href="#">map topic</a>