fix: cluster diff on helm/kustomize previews

src/components/organisms/NavigatorDiffPane/NavigatorDiffPane.tsx

@@ -5,6 +5,7 @@ import {NavigatorDiff} from '@molecules';
 import {loadNavigatorDiff} from '@redux/thunks/loadNavigatorDiff';
 import {Skeleton} from 'antd';
 import styled from 'styled-components';
+import {isInPreviewModeSelector} from '@redux/selectors';
 
 const Container = styled.div`
   display: block;
@@ -24,6 +25,12 @@ function NavigatorDiffPane() {
   const hasNavigatorDiffLoaded = useAppSelector(state => state.main.navigatorDiff.hasLoaded);
   const hasNavigatorDiffFailed = useAppSelector(state => state.main.navigatorDiff.hasFailed);
   const isNavigatorDiffVisible = useAppSelector(state => state.ui.isNavigatorDiffVisible);
+  const isInPreviewMode = useAppSelector(isInPreviewModeSelector);
+
+  useEffect(() => {
+    dispatch(loadNavigatorDiff());
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [isInPreviewMode]);
 
   const closeDrawer = useCallback(() => {
     dispatch(closeNavigatorDiff());

src/redux/reducers/main.ts

@@ -533,13 +533,20 @@ export const mainSlice = createSlice({
           return;
         }
 
-        const localResources = Object.values(state.resourceMap).filter(
+        const isInPreviewMode = Boolean(state.previewResourceId) || Boolean(state.previewValuesFileId);
+
+        let localResources: K8sResource[] = [];
+        localResources = Object.values(state.resourceMap).filter(
           resource =>
             !resource.filePath.startsWith(CLUSTER_DIFF_PREFIX) &&
             !resource.name.startsWith('Patch:') &&
             resource.kind !== KUSTOMIZATION_KIND
         );
 
+        if (isInPreviewMode) {
+          localResources = localResources.filter(resource => resource.filePath.startsWith(PREVIEW_PREFIX));
+        }
+
         const groupedLocalResources = groupResourcesByIdentifier(
           localResources,
           makeResourceNameKindNamespaceIdentifier