add sync inline renderer

src/render.ts

@@ -69,3 +69,38 @@ export async function render_markdown_to_html(markdown: string, options: Markdow
 
 	return sanitize_html(unsafe_html, options.custom_elements);
 }
+
+export function render_markdown_to_html_inline_sync(markdown: string, options: MarkdownOptions = { }) {
+	const marked_options: marked.MarkedOptions = {
+		baseUrl: options.base_url,
+		breaks: options.breaks || false,
+		renderer: create_renderer(options),
+	};
+
+	marked.use({
+		extensions: [
+			katex_block_ext(marked_options.renderer, options),
+			katex_inline_ext(marked_options.renderer, options),
+			footnote_ref_ext(marked_options.renderer, options),
+			footnote_list_ext(marked_options.renderer, options),
+			mark_ext(marked_options.renderer, options),
+			description_list_ext(marked_options.renderer, options),
+			section_ext(marked_options.renderer, options),
+			icon_ext(marked_options.renderer, options),
+			breadcrumb_nav_ext(marked_options.renderer, options),
+			...(options.extensions || [ ]).map((ext) => {
+				return ext(marked_options.renderer, options);
+			}),
+		],
+		tokenizer: {
+			url(src) {
+				// disable auto-linking; more can be added here to auto-link only sometimes
+				// see: https://github.com/markedjs/marked/issues/882#issuecomment-781628889
+				return null;
+			}
+		},
+	});
+	
+	const unsafe_html = marked.parseInline(markdown, marked_options);
+	return sanitize_html(unsafe_html, options.custom_elements);
+}