Prevent cached session remeasurements and remove logs

packages/ui/src/components/virtual-item.tsx

@@ -98,6 +98,7 @@ interface VirtualItemProps {
   placeholderClass?: string
   virtualizationEnabled?: Accessor<boolean>
   forceVisible?: Accessor<boolean>
+  suspendMeasurements?: Accessor<boolean>
   onMeasured?: () => void
   id?: string
 }
@@ -138,10 +139,12 @@ export default function VirtualItem(props: VirtualItemProps) {
     if (!virtualizationEnabled()) return false
     return !isIntersecting()
   })
+  const measurementsSuspended = () => Boolean(props.suspendMeasurements?.())
  
    let wrapperRef: HTMLDivElement | undefined
-
+ 
   let contentRef: HTMLDivElement | undefined
+
   let resizeObserver: ResizeObserver | undefined
   let intersectionCleanup: (() => void) | undefined
 
@@ -176,23 +179,27 @@ export default function VirtualItem(props: VirtualItemProps) {
   }
 
   function updateMeasuredHeight() {
-    if (!contentRef) return
+    if (!contentRef || measurementsSuspended()) return
     const next = contentRef.offsetHeight
     if (next === measuredHeight()) return
     persistMeasurement(next)
   }
-
+ 
   function setupResizeObserver() {
-    if (!contentRef) return
+    if (!contentRef || measurementsSuspended()) return
     cleanupResizeObserver()
     if (typeof ResizeObserver === "undefined") {
       updateMeasuredHeight()
       return
     }
-    resizeObserver = new ResizeObserver(() => updateMeasuredHeight())
+    resizeObserver = new ResizeObserver(() => {
+      if (measurementsSuspended()) return
+      updateMeasuredHeight()
+    })
     resizeObserver.observe(contentRef)
   }
 
+
   function refreshIntersectionObserver(targetRoot: Element | Document | null) {
     cleanupIntersectionObserver()
     if (!wrapperRef) {
@@ -219,7 +226,7 @@ export default function VirtualItem(props: VirtualItemProps) {
     contentRef = element ?? undefined
     if (contentRef) {
       queueMicrotask(() => {
-        if (shouldHideContent()) return
+        if (shouldHideContent() || measurementsSuspended()) return
         updateMeasuredHeight()
         setupResizeObserver()
       })
@@ -227,10 +234,10 @@ export default function VirtualItem(props: VirtualItemProps) {
       cleanupResizeObserver()
     }
   }
-
  
+  
   createEffect(() => {
-    if (shouldHideContent()) {
+    if (shouldHideContent() || measurementsSuspended()) {
       cleanupResizeObserver()
     } else if (contentRef) {
       queueMicrotask(() => {
@@ -239,6 +246,7 @@ export default function VirtualItem(props: VirtualItemProps) {
       })
     }
   })
+
  
   createEffect(() => {
     const key = props.cacheKey