Refactor Settings, FileTree, GitPanel, Shell, and CodeEditor components (#402)

src/components/code-editor/view/subcomponents/markdown/MarkdownPreview.tsx

@@ -0,0 +1,52 @@
+import { useMemo } from 'react';
+import type { Components } from 'react-markdown';
+import ReactMarkdown from 'react-markdown';
+import rehypeKatex from 'rehype-katex';
+import remarkGfm from 'remark-gfm';
+import remarkMath from 'remark-math';
+import MarkdownCodeBlock from './MarkdownCodeBlock';
+
+type MarkdownPreviewProps = {
+  content: string;
+};
+
+const markdownPreviewComponents: Components = {
+  code: MarkdownCodeBlock,
+  blockquote: ({ children }) => (
+    <blockquote className="border-l-4 border-gray-300 dark:border-gray-600 pl-4 italic text-gray-600 dark:text-gray-400 my-2">
+      {children}
+    </blockquote>
+  ),
+  a: ({ href, children }) => (
+    <a href={href} className="text-blue-600 dark:text-blue-400 hover:underline" target="_blank" rel="noopener noreferrer">
+      {children}
+    </a>
+  ),
+  table: ({ children }) => (
+    <div className="overflow-x-auto my-2">
+      <table className="min-w-full border-collapse border border-gray-200 dark:border-gray-700">{children}</table>
+    </div>
+  ),
+  thead: ({ children }) => <thead className="bg-gray-50 dark:bg-gray-800">{children}</thead>,
+  th: ({ children }) => (
+    <th className="px-3 py-2 text-left text-sm font-semibold border border-gray-200 dark:border-gray-700">{children}</th>
+  ),
+  td: ({ children }) => (
+    <td className="px-3 py-2 align-top text-sm border border-gray-200 dark:border-gray-700">{children}</td>
+  ),
+};
+
+export default function MarkdownPreview({ content }: MarkdownPreviewProps) {
+  const remarkPlugins = useMemo(() => [remarkGfm, remarkMath], []);
+  const rehypePlugins = useMemo(() => [rehypeKatex], []);
+
+  return (
+    <ReactMarkdown
+      remarkPlugins={remarkPlugins}
+      rehypePlugins={rehypePlugins}
+      components={markdownPreviewComponents}
+    >
+      {content}
+    </ReactMarkdown>
+  );
+}