feat: tabs / code block work

src/components/CodeBlock.tsx

@@ -6,7 +6,6 @@ import type { Mermaid } from 'mermaid'
 import { transformerNotationDiff } from '@shikijs/transformers'
 import { createHighlighter, type HighlighterGeneric } from 'shiki'
 import { Button } from './Button'
-import { ButtonGroup } from './ButtonGroup'
 
 // Language aliases mapping
 const LANG_ALIASES: Record<string, string> = {
@@ -99,6 +98,16 @@ export function CodeBlock({
   isEmbedded?: boolean
   showTypeCopyButton?: boolean
 }) {
+  // Extract title from data-code-title attribute, handling both camelCase and kebab-case
+  const rawTitle = ((props as any)?.dataCodeTitle ||
+    (props as any)?.['data-code-title']) as string | undefined
+
+  // Filter out "undefined" strings, null, and empty strings
+  const title =
+    rawTitle && rawTitle !== 'undefined' && rawTitle.trim().length > 0
+      ? rawTitle.trim()
+      : undefined
+
   const childElement = props.children as
     | undefined
     | { props?: { className?: string; children?: string } }
@@ -123,14 +132,9 @@ export function CodeBlock({
   const code = children?.props.children
 
   const [codeElement, setCodeElement] = React.useState(
-    <>
-      <pre ref={ref} className={`shiki github-light h-full`}>
-        <code>{lang === 'mermaid' ? <svg /> : code}</code>
-      </pre>
-      <pre className={`shiki vitesse-dark`}>
-        <code>{lang === 'mermaid' ? <svg /> : code}</code>
-      </pre>
-    </>,
+    <pre ref={ref} className={`shiki h-full github-light dark:vitesse-dark`}>
+      <code>{lang === 'mermaid' ? <svg /> : code}</code>
+    </pre>,
   )
 
   React[
@@ -189,18 +193,14 @@ export function CodeBlock({
       )}
       style={props.style}
     >
-      {showTypeCopyButton ? (
-        <ButtonGroup
-          className={twMerge(
-            'absolute z-10 text-sm',
-            isEmbedded ? 'top-2 right-4' : '-top-3 right-2',
-          )}
-        >
-          {lang ? (
-            <span className="px-2 py-1 text-xs font-medium">{lang}</span>
-          ) : null}
+      {(title || showTypeCopyButton) && (
+        <div className="flex items-center justify-between px-4 py-2 border-b border-gray-500/20 bg-gray-50 dark:bg-gray-900">
+          <div className="text-xs text-gray-700 dark:text-gray-300">
+            {title || (lang?.toLowerCase() === 'bash' ? 'sh' : (lang ?? ''))}
+          </div>
+
           <Button
-            className="border-0 rounded-none"
+            className={twMerge('border-0 rounded-md transition-opacity')}
             onClick={() => {
               let copyContent =
                 typeof ref.current?.innerText === 'string'
@@ -215,20 +215,24 @@ export function CodeBlock({
               setCopied(true)
               setTimeout(() => setCopied(false), 2000)
               notify(
-                <div>
-                  <div className="font-medium">Copied code</div>
-                  <div className="text-gray-500 dark:text-gray-400 text-xs">
+                <div className="flex flex-col">
+                  <span className="font-medium">Copied code</span>
+                  <span className="text-gray-500 dark:text-gray-400 text-xs">
                     Code block copied to clipboard
-                  </div>
+                  </span>
                 </div>,
               )
             }}
             aria-label="Copy code to clipboard"
           >
-            {copied ? <span className="text-xs">Copied!</span> : <Copy />}
+            {copied ? (
+              <span className="text-xs">Copied!</span>
+            ) : (
+              <Copy className="w-4 h-4" />
+            )}
           </Button>
-        </ButtonGroup>
-      ) : null}
+        </div>
+      )}
       {codeElement}
     </div>
   )

src/components/FileTabs.tsx

@@ -0,0 +1,58 @@
+import * as React from 'react'
+
+export type FileTabDefinition = {
+  slug: string
+  name: string
+}
+
+export type FileTabsProps = {
+  tabs: Array<FileTabDefinition>
+  children: Array<React.ReactNode> | React.ReactNode
+  id: string
+}
+
+export function FileTabs({ tabs, id, children }: FileTabsProps) {
+  const childrenArray = React.Children.toArray(children)
+  const [activeSlug, setActiveSlug] = React.useState(tabs[0]?.slug ?? '')
+
+  if (tabs.length === 0) return null
+
+  return (
+    <div className="not-prose my-4">
+      <div className="flex items-center justify-start gap-0 overflow-x-auto overflow-y-hidden bg-gray-100 dark:bg-gray-900 border border-b-0 border-gray-500/20 rounded-t-md">
+        {tabs.map((tab) => (
+          <button
+            key={`${id}-${tab.slug}`}
+            type="button"
+            onClick={() => setActiveSlug(tab.slug)}
+            aria-label={tab.name}
+            title={tab.name}
+            className={`px-3 py-1.5 text-sm font-medium transition-colors border-b-2 -mb-[1px] ${
+              activeSlug === tab.slug
+                ? 'border-current text-current bg-white dark:bg-gray-950'
+                : 'border-transparent text-gray-600 dark:text-gray-400 hover:text-gray-900 dark:hover:text-gray-200 hover:bg-gray-200 dark:hover:bg-gray-800'
+            }`}
+          >
+            {tab.name}
+          </button>
+        ))}
+      </div>
+      <div>
+        {childrenArray.map((child, index) => {
+          const tab = tabs[index]
+          if (!tab) return null
+          return (
+            <div
+              key={`${id}-${tab.slug}-panel`}
+              data-tab={tab.slug}
+              hidden={tab.slug !== activeSlug}
+              className="file-tabs-panel"
+            >
+              {child}
+            </div>
+          )
+        })}
+      </div>
+    </div>
+  )
+}

src/components/FrameworkCodeBlock.tsx

@@ -0,0 +1,71 @@
+import * as React from 'react'
+import { useLocalCurrentFramework } from './FrameworkSelect'
+import { useCurrentUserQuery } from '~/hooks/useCurrentUser'
+import { useParams } from '@tanstack/react-router'
+import { FileTabs } from './FileTabs'
+import type { Framework } from '~/libraries/types'
+
+type CodeBlockMeta = {
+  title: string
+  code: string
+  language: string
+}
+
+type FrameworkCodeBlockProps = {
+  id: string
+  codeBlocksByFramework: Record<string, CodeBlockMeta[]>
+  availableFrameworks: string[]
+  /** Pre-rendered React children for each framework (from domToReact) */
+  panelsByFramework: Record<string, React.ReactNode>
+}
+
+/**
+ * Renders code blocks for the currently selected framework.
+ * - If no blocks for framework: shows nothing
+ * - If 1 block: shows just the code block (minimal style)
+ * - If multiple blocks: shows as FileTabs (file tabs with names)
+ */
+export function FrameworkCodeBlock({
+  id,
+  codeBlocksByFramework,
+  panelsByFramework,
+}: FrameworkCodeBlockProps) {
+  const { framework: paramsFramework } = useParams({ strict: false })
+  const localCurrentFramework = useLocalCurrentFramework()
+  const userQuery = useCurrentUserQuery()
+  const userFramework = userQuery.data?.lastUsedFramework
+
+  const actualFramework = (paramsFramework ||
+    userFramework ||
+    localCurrentFramework.currentFramework ||
+    'react') as Framework
+
+  const normalizedFramework = actualFramework.toLowerCase()
+
+  // Find the framework's code blocks
+  const frameworkBlocks = codeBlocksByFramework[normalizedFramework]
+  const frameworkPanel = panelsByFramework[normalizedFramework]
+
+  if (!frameworkBlocks || frameworkBlocks.length === 0 || !frameworkPanel) {
+    return null
+  }
+
+  if (frameworkBlocks.length === 1) {
+    return <div className="framework-code-block">{frameworkPanel}</div>
+  }
+
+  const tabs = frameworkBlocks.map((block, index) => ({
+    slug: `file-${index}`,
+    name: block.title || 'Untitled',
+  }))
+
+  const childrenArray = React.Children.toArray(frameworkPanel)
+
+  return (
+    <div className="framework-code-block">
+      <FileTabs id={`${id}-${normalizedFramework}`} tabs={tabs}>
+        {childrenArray}
+      </FileTabs>
+    </div>
+  )
+}

src/components/Markdown.tsx

@@ -15,6 +15,8 @@ import { Tabs } from '~/components/Tabs'
 import { CodeBlock } from './CodeBlock'
 import { PackageManagerTabs } from './PackageManagerTabs'
 import type { Framework } from '~/libraries/types'
+import { FileTabs } from './FileTabs'
+import { FrameworkCodeBlock } from './FrameworkCodeBlock'
 
 type HeadingLevel = 'h1' | 'h2' | 'h3' | 'h4' | 'h5' | 'h6'
 
@@ -124,7 +126,6 @@ const options: HTMLReactParserOptions = {
 
         switch (componentName?.toLowerCase()) {
           case 'tabs': {
-            // Check if this is a package-manager tabs (has metadata)
             if (pmMeta) {
               try {
                 const { packagesByFramework, mode } = JSON.parse(pmMeta)
@@ -148,7 +149,73 @@ const options: HTMLReactParserOptions = {
               }
             }
 
-            // Default tabs variant
+            // Check if this is files variant
+            const filesMeta = domNode.attribs['data-files-meta']
+            if (filesMeta) {
+              try {
+                const tabs = attributes.tabs || []
+                const id =
+                  attributes.id ||
+                  `files-tabs-${Math.random().toString(36).slice(2, 9)}`
+
+                const panelElements = domNode.children?.filter(
+                  (child): child is Element =>
+                    child instanceof Element && child.name === 'md-tab-panel',
+                )
+
+                const children = panelElements?.map((panel) =>
+                  domToReact(panel.children as any, options),
+                )
+
+                return (
+                  <FileTabs id={id} tabs={tabs} children={children as any} />
+                )
+              } catch {
+                // Fall through to default tabs if parsing fails
+              }
+            }
+
+            const frameworkMeta = domNode.attribs['data-framework-meta']
+            if (frameworkMeta) {
+              try {
+                const { codeBlocksByFramework } = JSON.parse(frameworkMeta)
+                const availableFrameworks = JSON.parse(
+                  domNode.attribs['data-available-frameworks'] || '[]',
+                )
+                const id =
+                  attributes.id ||
+                  `framework-${Math.random().toString(36).slice(2, 9)}`
+
+                const panelElements = domNode.children?.filter(
+                  (child): child is Element =>
+                    child instanceof Element && child.name === 'md-tab-panel',
+                )
+
+                // Build panelsByFramework map
+                const panelsByFramework: Record<string, React.ReactNode> = {}
+                panelElements?.forEach((panel) => {
+                  const fw = panel.attribs['data-framework']
+                  if (fw) {
+                    panelsByFramework[fw] = domToReact(
+                      panel.children as any,
+                      options,
+                    )
+                  }
+                })
+
+                return (
+                  <FrameworkCodeBlock
+                    id={id}
+                    codeBlocksByFramework={codeBlocksByFramework}
+                    availableFrameworks={availableFrameworks}
+                    panelsByFramework={panelsByFramework}
+                  />
+                )
+              } catch {
+                // Fall through to default tabs if parsing fails
+              }
+            }
+
             const tabs = attributes.tabs
             const id =
               attributes.id || `tabs-${Math.random().toString(36).slice(2, 9)}`
@@ -162,9 +229,11 @@ const options: HTMLReactParserOptions = {
                 child instanceof Element && child.name === 'md-tab-panel',
             )
 
-            const children = panelElements?.map((panel) =>
-              domToReact(panel.children as any, options),
-            )
+            const children = panelElements?.map((panel) => {
+              const result = domToReact(panel.children as any, options)
+              // Wrap in fragment to ensure it's a single React node
+              return <>{result}</>
+            })
 
             return <Tabs id={id} tabs={tabs} children={children as any} />
           }

src/components/PackageManagerTabs.tsx

@@ -131,12 +131,14 @@ export function PackageManagerTabs({
   })
 
   return (
-    <Tabs
-      id={id}
-      tabs={tabs}
-      children={children}
-      activeSlug={selectedPackageManager}
-      onTabChange={(slug) => setPackageManager(slug as PackageManager)}
-    />
+    <div className="package-manager-tabs">
+      <Tabs
+        id={id}
+        tabs={tabs}
+        children={children}
+        activeSlug={selectedPackageManager}
+        onTabChange={(slug) => setPackageManager(slug as PackageManager)}
+      />
+    </div>
   )
 }