fix: vite hanging after completing builds

lib/closePlugin.ts

@@ -0,0 +1,25 @@
+// ref: https://stackoverflow.com/a/76920975
+import type { Plugin } from 'vite';
+
+export default function ClosePlugin(): Plugin {
+  return {
+    name: 'ClosePlugin', // required, will show up in warnings and errors
+
+    // use this to catch errors when building
+    buildEnd(error) {
+      if(error) {
+        console.error('Error bundling')
+        console.error(error)
+        process.exit(1)
+      } else {
+        console.log('Build ended')
+      }
+    },
+
+    // use this to catch the end of a build without errors
+    closeBundle() {
+      console.log('Bundle closed')
+      process.exit(0)
+    },
+  }
+}