Reusable AsciiDoc utils (#100)

* Reusable Asciidoc utils

* Delete index.ts

* Handle empty extensions

* More shared exports

* Switch parse source

* Move `attrs`

* Export `attrs`

* Shared inline converter and ToC

* Fix icon

* Add mermaid support to listing

* License

* Export should be listing not mermaid

* Undo mermaid listing

* Test `renderWithBreaks`

* Animated accordion styles

* Hide desktop ToC

* Take `className` on ToC instead

* Controlled ToC / autoclose

* Remove unused title

* ToC padding tweak

* Fix accordion trigger padding

* `useDelegatedReactRouterLinks`

* Switch let for const

* Export and add license

* Tweak license

* Add copyright ignore `use-delegated-links` license

.licenserc.yaml

@@ -15,5 +15,6 @@ header:
     - '**/dist/*'
     - '**/*.md'
     - 'LICENSE'
+    - 'components/src/asciidoc/use-delegated-links.ts'
 
   comment: on-failure

components/src/asciidoc/Section.tsx

@@ -0,0 +1,55 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * Copyright Oxide Computer Company
+ */
+import { Link16Icon } from '@/icons/react'
+import { Content, type SectionBlock, parse } from '@oxide/react-asciidoc'
+import cn from 'classnames'
+import { createElement } from 'react'
+
+// We need to remove anchors from the section title (and table of contents) because having
+// an anchor within an anchor causes a client/server render mismatch
+export const stripAnchors = (str: string) => str.replace(/<a[^>]*>(.*?)<\/a>/gi, '$1')
+
+const Section = ({ node }: { node: SectionBlock }) => {
+  const level = node.level
+  let title: JSX.Element | string = ''
+
+  let sectNum = node.num
+  sectNum = sectNum === '.' ? '' : sectNum
+
+  title = (
+    <>
+      <span className="anchor" id={node.id || ''} aria-hidden="true" />
+      <a className="link group" href={`#${node.id}`}>
+        {parse(stripAnchors(node.title))}
+        <Link16Icon className="ml-2 hidden text-accent-secondary group-hover:inline-block" />
+      </a>
+    </>
+  )
+
+  if (level === 0) {
+    return (
+      <>
+        <h1 className={cn('sect0', node.role)} data-sectnum={sectNum}>
+          {title}
+        </h1>
+        <Content blocks={node.blocks} />
+      </>
+    )
+  } else {
+    return (
+      <div className={cn(`sect${level}`, node.role)}>
+        {createElement(`h${level + 1}`, { 'data-sectnum': sectNum }, title)}
+        <div className="sectionbody">
+          <Content blocks={node.blocks} />
+        </div>
+      </div>
+    )
+  }
+}
+
+export default Section