BillTracker/client/components/MarkdownText.jsx

68 lines
1.6 KiB
JavaScript

import { Fragment } from 'react';
const TOKEN_RE = /(\*\*[^*\n][\s\S]*?[^*\n]\*\*|`[^`\n]+`|\[[^\]\n]+\]\(https?:\/\/[^)\s]+\))/g;
function renderToken(token, key) {
if (token.startsWith('**') && token.endsWith('**')) {
return (
<strong key={key} className="font-semibold text-foreground">
{token.slice(2, -2)}
</strong>
);
}
if (token.startsWith('`') && token.endsWith('`')) {
return (
<code key={key} className="rounded bg-muted px-1 py-0.5 font-mono text-[0.92em] text-foreground">
{token.slice(1, -1)}
</code>
);
}
const link = token.match(/^\[([^\]\n]+)\]\((https?:\/\/[^)\s]+)\)$/);
if (link) {
return (
<a
key={key}
href={link[2]}
target="_blank"
rel="noopener noreferrer"
className="font-medium text-primary underline-offset-4 hover:underline"
>
{link[1]}
</a>
);
}
return token;
}
export function renderInlineMarkdown(text) {
if (!text) return null;
const parts = [];
let lastIndex = 0;
for (const match of text.matchAll(TOKEN_RE)) {
if (match.index > lastIndex) {
parts.push(text.slice(lastIndex, match.index));
}
parts.push(renderToken(match[0], `md-${match.index}`));
lastIndex = match.index + match[0].length;
}
if (lastIndex < text.length) {
parts.push(text.slice(lastIndex));
}
return parts.map((part, index) => (
<Fragment key={typeof part === 'string' ? `text-${index}` : part.key || index}>
{part}
</Fragment>
));
}
export function MarkdownText({ text }) {
return renderInlineMarkdown(text);
}