routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/vuetify/lib/composables/mutationObserver.js

@@ -0,0 +1,40 @@
+// Utilities
+import { onBeforeUnmount, onMounted, ref, watch } from 'vue';
+import { refElement } from "../util/index.js"; // Types
+export function useMutationObserver(handler, options) {
+  const mutationRef = ref();
+  const {
+    once,
+    immediate,
+    ...optionKeys
+  } = options || {};
+  const defaultValue = !Object.keys(optionKeys).length;
+  const observer = new MutationObserver((mutations, observer) => {
+    handler?.(mutations, observer);
+    if (options?.once) observer.disconnect();
+  });
+  onMounted(() => {
+    if (!options?.immediate) return;
+    handler?.([], observer);
+  });
+  onBeforeUnmount(() => {
+    observer.disconnect();
+  });
+  watch(mutationRef, (newValue, oldValue) => {
+    if (oldValue) observer.disconnect();
+    const el = refElement(newValue);
+    if (!el) return;
+    observer.observe(el, {
+      attributes: options?.attr ?? defaultValue,
+      characterData: options?.char ?? defaultValue,
+      childList: options?.child ?? defaultValue,
+      subtree: options?.sub ?? defaultValue
+    });
+  }, {
+    flush: 'post'
+  });
+  return {
+    mutationRef
+  };
+}
+//# sourceMappingURL=mutationObserver.js.map