on map seamlessZoom: true sometimes clusterCache[z] returns undefined (…

…#45) Co-authored-by: Fu Zhen <[email protected]>
maptalks · Jul 19, 2022 · 801c37c · 801c37c
1 parent 3b2f6b8
commit 801c37c
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Showing 5 changed files with 1,703 additions and 451 deletions.
diff --git a/dist/maptalks.markercluster.es.js b/dist/maptalks.markercluster.es.js
@@ -411,7 +411,7 @@ ClusterLayer.registerRenderer('canvas', function (_maptalks$renderer$Ve) {
             var pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             var pkey = pgx + '_' + pgy;
-            var parent = _this5._clusterCache[z]['clusterMap'][pkey];
+            var parent = _this5._clusterCache[z] ? _this5._clusterCache[z]['clusterMap'][pkey] : null;
             if (parent) {
                 var pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));

diff --git a/dist/maptalks.markercluster.js b/dist/maptalks.markercluster.js
@@ -415,7 +415,7 @@ ClusterLayer.registerRenderer('canvas', function (_maptalks$renderer$Ve) {
             var pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             var pkey = pgx + '_' + pgy;
-            var parent = _this5._clusterCache[z]['clusterMap'][pkey];
+            var parent = _this5._clusterCache[z] ? _this5._clusterCache[z]['clusterMap'][pkey] : null;
             if (parent) {
                 var pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));

diff --git a/dist/maptalks.markercluster.min.js b/dist/maptalks.markercluster.min.js
diff --git a/index.js b/index.js
@@ -372,7 +372,7 @@ ClusterLayer.registerRenderer('canvas', class extends maptalks.renderer.VectorLa
             const pgx = Math.floor((center.x - min.x) / r),
                 pgy = Math.floor((center.y - min.y) / r);
             const pkey = pgx + '_' + pgy;
-            const parent = this._clusterCache[z]['clusterMap'][pkey];
+            const parent = this._clusterCache[z] ? this._clusterCache[z]['clusterMap'][pkey]: null;
             if (parent) {
                 const pp = map._prjToContainerPoint(parent['center']);
                 pt = pp.add(pt.sub(pp)._multi(ratio));