update packages and add valign

scripts/reveal.js/plugin/markdown/index.ts

@@ -0,0 +1,29 @@
+import type { MarkdownConfig, RevealPlugin } from 'reveal.js';
+import type { Marked } from 'marked';
+
+// @ts-expect-error The runtime implementation remains in JS during the migration.
+import MarkdownImplementation from './plugin.js';
+
+export interface MarkdownSlidifyOptions {
+	separator?: string | null;
+	verticalSeparator?: string | null;
+	notesSeparator?: string;
+	attributes?: string;
+}
+
+export interface MarkdownOptions extends MarkdownConfig {
+	animateLists?: boolean;
+}
+
+export interface MarkdownPlugin extends RevealPlugin {
+	id: 'markdown';
+	processSlides(scope: ParentNode): Promise<void[]>;
+	convertSlides(): Promise<void>;
+	slidify(markdown: string, options?: MarkdownSlidifyOptions): string;
+	readonly marked: Marked | null;
+	readonly markdownOptions: MarkdownOptions;
+}
+
+const Markdown = MarkdownImplementation as () => MarkdownPlugin;
+
+export default Markdown;