import MarkdownIt from 'markdown-it'
const md = new MarkdownIt({
html: false, // Disable HTML tags for security
breaks: true, // Convert '\n' in paragraphs into <br>
linkify: true, // Autoconvert URL-like text to links
typographer: true, // Enable some language-neutral replacement + quotes beautification
})
// Custom renderer rules can be added here if needed
// For example, to add target="_blank" to links:
const defaultRender = md.renderer.rules.link_open || function (tokens, idx, options, _env, self) {
return self.renderToken(tokens, idx, options);
};
md.renderer.rules.link_open = function (tokens, idx, options, env, self) {
const token = tokens[idx];
if (!token) return defaultRender(tokens, idx, options, env, self);
// Ensure attrs exists
if (!token.attrs) {
token.attrs = [];
}
// Add target="_blank" to all links
const aIndex = token.attrIndex('target');
if (aIndex < 0) {
token.attrPush(['target', '_blank']);
} else {
// We know attrs exists because we initialized it above
if (token.attrs[aIndex]) {
token.attrs[aIndex][1] = '_blank';
}
}
// Add rel="noopener noreferrer" for security
const relIndex = token.attrIndex('rel');
if (relIndex < 0) {
token.attrPush(['rel', 'noopener noreferrer']);
} else {
// We know attrs exists because we initialized it above
if (token.attrs[relIndex]) {
token.attrs[relIndex][1] = 'noopener noreferrer';
}
}
return defaultRender(tokens, idx, options, env, self);
};
export function renderMarkdown(content: string): string {
if (!content) return ''
return md.render(content)
}
