rusackas commented on code in PR #39535:
URL: https://github.com/apache/superset/pull/39535#discussion_r3329021191


##########
superset-frontend/packages/superset-ui-core/src/components/ModalTrigger/index.tsx:
##########
@@ -84,7 +90,7 @@ export const ModalTrigger = forwardRef(
       setShowModal(true);
     };
 
-    if (ref) {
+    if (ref && typeof ref !== 'function') {
       ref.current = { close, open, showModal }; // eslint-disable-line
     }

Review Comment:
   The callback-ref fix was applied in 49dbed21. Thread is closed — Bito's 
message is a loop artifact from /resolve not being supported on inline comments.



##########
superset-frontend/packages/superset-ui-core/src/utils/lruCache.ts:
##########
@@ -55,7 +55,12 @@ class LRUCache<T> {
       throw new TypeError('The LRUCache key must be string.');
     }
     if (this.cache.size >= this.capacity) {
-      this.cache.delete(this.cache.keys().next().value);
+      // Forward-compat: TS 6.0 types IteratorResult.value as `string | 
undefined`
+      // when not explicitly checked; guard before passing to Map#delete.
+      const oldestKey = this.cache.keys().next().value;
+      if (oldestKey !== undefined) {
+        this.cache.delete(oldestKey);
+      }

Review Comment:
   Declining. The `if (oldestKey !== undefined)` guard is required for 
TypeScript 6.0 forward-compatibility — `Map.keys().next().value` is typed `K | 
undefined`, not `K`, so the check is not dead code; it narrows the type. The 
guard stays.



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