Merge pull request maplibre#34 from hactar/change-mapstyle

Change MapStyle

Sources/MapLibreSwiftUI/MapViewCoordinator.swift

@@ -11,6 +11,7 @@ public class MapViewCoordinator: NSObject {
  // every update cycle so we can avoid unnecessary updates
  private var snapshotUserLayers: [StyleLayerDefinition] = []
  private var snapshotCamera: MapViewCamera?
+ private var snapshotStyleSource: MapStyleSource?
 
  // Indicates whether we are currently in a push-down camera update cycle.
  // This is necessary in order to ensure we don't keep trying to reset a state value which we were already processing
@@ -105,12 +106,16 @@ public class MapViewCoordinator: NSObject {
  // MARK: - Coordinator API - Styles + Layers
 
  @MainActor func updateStyleSource(_ source: MapStyleSource, mapView: MLNMapView) {
- switch (source, parent.styleSource) {
+ switch (source, snapshotStyleSource) {
  case let (.url(newURL), .url(oldURL)):
  if newURL != oldURL {
  mapView.styleURL = newURL
  }
+ case let (.url(newURL), .none):
+ mapView.styleURL = newURL
  }
+
+ snapshotStyleSource = source
  }
 
  @MainActor func updateLayers(mapView: MLNMapView) {