Files
noco-auto/frontend/src/components/MdPreview.tsx
2025-12-02 09:00:25 +08:00

71 lines
2.1 KiB
TypeScript

import { cn } from '@/lib/utils';
import { useEffect, useState } from 'react';
import { Marked } from 'marked';
import hljs from 'highlight.js';
import { markedHighlight } from 'marked-highlight';
const markedAndHighlight = new Marked(
markedHighlight({
emptyLangClass: 'hljs',
langPrefix: 'hljs language-',
highlight(code, lang, info) {
const language = hljs.getLanguage(lang) ? lang : 'plaintext';
return hljs.highlight(code, { language }).value;
},
}),
);
export const md2html = async (md: string) => {
const html = markedAndHighlight.parse(md);
return html;
};
export const clearMeta = (markdown?: string) => {
if (!markdown) return '';
// Remove YAML front matter if present
const yamlRegex = /^---\n[\s\S]*?\n---\n/;
return markdown.replace(yamlRegex, '');
};
type Props = {
children?: React.ReactNode;
className?: string;
style?: React.CSSProperties;
content?: string; // Optional content prop for markdown text
[key: string]: any; // Allow any additional props
};
export const MarkdownPreview = (props: Props) => {
return (
<div
className={cn(
'markdown-body scrollbar h-full overflow-auto w-full px-6 py-2 max-w-[800px] border my-4 flex flex-col justify-self-center rounded-md shadow-md',
props.className,
)}
style={props.style}>
{props.children ? <WrapperText>{props.children}</WrapperText> : <MarkdownPreviewWrapper content={clearMeta(props.content)} />}
</div>
);
};
export const WrapperText = (props: { children?: React.ReactNode; html?: string }) => {
if (props.html) {
return <div className='w-full' dangerouslySetInnerHTML={{ __html: props.html }} />;
}
return <div className='w-full h-full'>{props.children}</div>;
};
export const MarkdownPreviewWrapper = (props: Props) => {
const [html, setHtml] = useState<string>('');
useEffect(() => {
init();
}, [props.content]);
const init = async () => {
if (props.content) {
const htmlContent = await md2html(props.content);
setHtml(htmlContent);
} else {
setHtml('');
}
};
return <WrapperText html={html} />;
};