Fix console errors in some cases

2021-04-29 02:46:52 +02:00
parent 9f3894aeb1
commit 2c027402a4
1 changed files with 8 additions and 5 deletions
--- a/src/components/cluster.vue
+++ b/src/components/cluster.vue
@@ -103,11 +103,14 @@ export default buildComponent({
  },
  beforeUnmount() {
    /* Performance optimization when destroying a large number of markers */
-    this.$children.forEach((marker) => {
-      if (marker.$clusterObject === this.$clusterObject) {
-        marker.$clusterObject = null
-      }
-    })
+    if (this.$children && this.$children.length) {
+      this.$children.forEach((marker) => {
+        if (marker.$clusterObject === this.$clusterObject) {
+          marker.$clusterObject = null
+        }
+      })
+    }
+

    if (this.$clusterObject) {
      this.$clusterObject.clearMarkers()