ES6: port datepicker and util to ES6

Change-Id: I203aa47229e6c4dacd3a33bea39c512f4576a182
diff --git a/vite.config.js b/vite.config.js
new file mode 100644
index 0000000..7467b5b
--- /dev/null
+++ b/vite.config.js
@@ -0,0 +1,18 @@
+import { defineConfig } from 'vite';
+import path from 'path';
+
+const scssDir = path.resolve(__dirname, 'dev/scss'); // Path to your SCSS directory
+
+export default defineConfig({
+  css: {
+    preprocessorOptions: {
+      scss: {
+        loadPaths: [scssDir]
+      }
+    }
+  },
+  server: {
+    port: 3000
+  }
+});
+