refactor: Optimize map component rendering and memoize functions to improve performance

src/app/projects/map/page.js

@@ -94,22 +94,8 @@ function ProjectsMapPageContent() {
 		setMeasurementLine(null);
 	};
 
-	// Wrapper component for the map with proper loading state
-	const MapWrapper = React.useMemo(() => {
-		return function MapWrapperComponent(props) {
-			return (
-				<Suspense fallback={<MapLoadingComponent t={t} />}>
-					<DynamicMap
-						{...props}
-						isMeasuring={isMeasuring}
-						measurementPoints={measurementPoints}
-						onMeasurementClick={addMeasurementPoint}
-					/>
-				</Suspense>
-			);
-		};
-	}, [t, isMeasuring, measurementPoints, addMeasurementPoint]);
-	const statusConfig = {
+	// Status configuration with colors and labels - memoized
+	const statusConfig = React.useMemo(() => ({
 		registered: {
 			color: "#6B7280",
 			label: formatProjectStatus("registered"),
@@ -135,7 +121,7 @@ function ProjectsMapPageContent() {
 			label: formatProjectStatus("cancelled"),
 			shortLabel: "Wycofany",
 		},
-	};
+	}), []);
 
 	// Toggle all status filters
 	const toggleAllFilters = () => {
@@ -160,12 +146,12 @@ function ProjectsMapPageContent() {
 		}));
 	};
 
-	// Layer control functions
-	const handleBaseLayerChange = (layerName) => {
+	// Layer control functions - memoized to prevent re-renders
+	const handleBaseLayerChange = React.useCallback((layerName) => {
 		setActiveBaseLayer(layerName);
-	};
+	}, []);
 
-	const toggleOverlay = (layerName) => {
+	const toggleOverlay = React.useCallback((layerName) => {
 		setActiveOverlays((prev) => {
 			if (prev.includes(layerName)) {
 				return prev.filter((name) => name !== layerName);
@@ -173,14 +159,14 @@ function ProjectsMapPageContent() {
 				return [...prev, layerName];
 			}
 		});
-	};
+	}, []);
 
-	const toggleLayerPanel = () => {
+	const toggleLayerPanel = React.useCallback(() => {
 		setShowLayerPanel(!showLayerPanel);
-	};
+	}, [showLayerPanel]);
 
 	// Update URL with current map state (debounced to avoid too many updates)
-	const updateURL = (center, zoom) => {
+	const updateURL = React.useCallback((center, zoom) => {
 		const params = new URLSearchParams();
 		params.set("lat", center[0].toFixed(6));
 		params.set("lng", center[1].toFixed(6));
@@ -188,10 +174,10 @@ function ProjectsMapPageContent() {
 
 		// Use replace to avoid cluttering browser history
 		router.replace(`/projects/map?${params.toString()}`, { scroll: false });
-	};
+	}, [router]);
 
-	// Handle map view changes with debouncing
-	const handleMapViewChange = (center, zoom) => {
+	// Handle map view changes with debouncing - memoized
+	const handleMapViewChange = React.useCallback((center, zoom) => {
 		setMapCenter(center);
 		setMapZoom(zoom);
 
@@ -200,7 +186,7 @@ function ProjectsMapPageContent() {
 		window.mapUpdateTimeout = setTimeout(() => {
 			updateURL(center, zoom);
 		}, 500); // Wait 500ms after the last move to update URL
-	};
+	}, [updateURL]);
 
 	// Hide navigation and ensure full-screen layout
 	useEffect(() => {
@@ -298,8 +284,9 @@ function ProjectsMapPageContent() {
 		}
 	}, [currentTool, isMeasuring]);
 
-	// Convert projects to map markers with filtering
-	const markers = projects
+	// Convert projects to map markers with filtering - memoized to prevent re-renders
+	const markers = React.useMemo(() => {
+		return projects
 			.filter((project) => project.coordinates)
 			.filter((project) => statusFilters[project.project_status] !== false)
 			.map((project) => {
@@ -419,6 +406,7 @@ function ProjectsMapPageContent() {
 			};
 		})
 		.filter((marker) => marker !== null);
+	}, [projects, statusFilters, statusConfig, t]);
 
 	if (loading) {
 		return (
@@ -980,7 +968,7 @@ function ProjectsMapPageContent() {
 				</div>
 			) : (
 				<div className="absolute inset-0">
-					<MapWrapper
+					<DynamicMap
 						center={mapCenter}
 						zoom={mapZoom}
 						markers={markers}