update packages and add valign

scripts/reveal.js/vite.config.styles.ts

@@ -0,0 +1,38 @@
+import { resolve } from 'path';
+import { defineConfig } from 'vite';
+import fs from 'fs';
+
+// List all theme files in the css/theme directory
+const themeFiles = fs
+	.readdirSync(resolve(__dirname, 'css/theme'))
+	.filter((file) => file.endsWith('.scss'));
+
+const themeEntries = themeFiles.reduce((acc, file) => {
+	acc[`theme/${file.replace('.scss', '')}`] = resolve(__dirname, `css/theme/${file}`);
+	return acc;
+}, {});
+
+export default defineConfig({
+	root: './',
+	css: {
+		preprocessorOptions: {
+			scss: {
+				api: 'modern-compiler',
+			},
+		},
+	},
+	build: {
+		emptyOutDir: false,
+		cssCodeSplit: true,
+		lib: {
+			formats: ['es'],
+			entry: {
+				reveal: resolve(__dirname, 'css/reveal.scss'),
+				reset: resolve(__dirname, 'css/reset.css'),
+
+				...themeEntries,
+			},
+		},
+	},
+	plugins: [],
+});