[core] Expose Source::getZoomRange

2 files changed, 3 insertions, 2 deletions

diff --git a/src/mbgl/style/sources/geojson_source_impl.cpp b/src/mbgl/style/sources/geojson_source_impl.cpp
index c7c3753076..5ceb4f71e0 100644
--- a/src/mbgl/style/sources/geojson_source_impl.cpp
+++ b/src/mbgl/style/sources/geojson_source_impl.cpp
@@ -153,7 +153,7 @@ void GeoJSONSource::Impl::loadDescription(FileSource& fileSource) {
     });
 }
 
-Range<uint8_t> GeoJSONSource::Impl::getZoomRange() {
+Range<uint8_t> GeoJSONSource::Impl::getZoomRange() const {
     assert(loaded);
     return { 0, options.maxzoom };
 }
diff --git a/src/mbgl/style/sources/geojson_source_impl.hpp b/src/mbgl/style/sources/geojson_source_impl.hpp
index eec7cf0605..05302d6bc0 100644
--- a/src/mbgl/style/sources/geojson_source_impl.hpp
+++ b/src/mbgl/style/sources/geojson_source_impl.hpp
@@ -28,10 +28,11 @@ public:
         return util::tileSize;
     }
 
+    Range<uint8_t> getZoomRange() const final;
+
 private:
     void _setGeoJSON(const GeoJSON&);
 
-    Range<uint8_t> getZoomRange() final;
     std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) final;
 
     GeoJSONOptions options;